Top 20 Revenue Operations Agencies Powering Scalable B2B Growth

Why RevOps Is Becoming a Strategic Imperative

Revenue Operations (RevOps) has evolved from a niche discipline into a foundational pillar of modern B2B growth strategy. As go-to-market teams scale, the operational gaps between marketing, sales, and customer success become more costly. Attribution breaks. Data silos multiply. Handoff friction stalls pipeline. RevOps emerged to solve these alignment issues by centralizing data, systems, and processes under one unified revenue engine. Instead of treating each department as a siloed function, RevOps treats revenue as a system that can be architected, measured, and optimized from end to end.

More B2B companies are investing in RevOps because the old models no longer support today’s buying behavior. Buying journeys are nonlinear. Touchpoints span across ads, automation, live conversations, and product interactions. Without a centralized team driving operational clarity and continuity across the full funnel, even the best campaigns struggle to translate into revenue. RevOps gives growth-stage companies the structure to scale without losing visibility, and enterprise companies the control to operate with precision. It’s not just a function. It’s the operating system behind pipeline performance.

RevOps vs. Marketing Ops: What’s the Difference?

Marketing Operations (MOPs) is focused on the execution and optimization of marketing systems. This includes campaign automation, CRM workflows, lead scoring, database hygiene, and performance reporting specific to marketing initiatives. A strong MOPs team ensures campaigns are launched correctly, leads are routed properly, and marketing data is trustworthy. Their work supports demand generation and brand programs, but stops at the edge of marketing’s domain.

RevOps takes a broader view. Instead of optimizing within one department, RevOps aligns marketing, sales, and customer success through shared data, processes, and accountability. It connects the dots between what marketing generates, what sales converts, and what customer success retains. RevOps owns the architecture that supports the entire customer lifecycle—from first touch to closed-won to renewal. While MOPs answers “How do we run this campaign?”, RevOps answers “How does this campaign turn into revenue, and where is it breaking down?” Both are essential, but only RevOps is built to unify the full revenue engine.

Why B2B Companies Are Turning to RevOps Agencies

Hiring a dedicated Revenue Operations agency is no longer just a tactical move. It is a strategic decision for B2B companies that need to scale with speed, precision, and accountability. As teams grow and go-to-market complexity increases, internal operations often struggle to keep pace. In-house resources are limited, systems become fragmented, and critical insights get lost in disconnected dashboards. A RevOps agency brings external perspective, technical expertise, and cross-functional alignment that in-house teams alone can rarely deliver.

By partnering with a specialized agency, B2B companies gain more than operational support. They gain a repeatable growth engine. The right agency can architect your revenue systems, unify your data, and implement processes that drive both efficiency and impact. Whether you are dealing with CRM chaos, unclear attribution, or inconsistent handoffs between teams, a RevOps partner helps you move from reactive execution to proactive scale. The following agencies represent some of the best in the field.

TL;DR: Top B2B Revenue Operations Agencies

1. Directive
Directive is the strongest pick for B2B teams that want Revenue Operations tied directly to pipeline accountability. We design lifecycle architecture, attribution models, and reporting frameworks that connect marketing execution to revenue outcomes across the full buyer journey. As a certified HubSpot Solutions Partner, we embed directly into CRM and MAP environments to clean data, eliminate friction, and give leaders real-time visibility into what is driving growth. Enterprise brands like Amazon, Adobe, Cisco, and ZoomInfo partner with Directive to scale RevOps with clarity, speed, and confidence.

2. TripleDart
TripleDart is a RevOps agency purpose-built for SaaS companies looking to scale without building large internal operations teams. Their approach combines deep audits, hands-on implementation, and a proprietary maturity framework that helps teams evolve processes over time. With strong HubSpot expertise and a global delivery model, TripleDart is a solid choice for SaaS companies in the $5M to $50M ARR range that need structure, alignment, and scalable infrastructure.

3. Winning by Design
Winning by Design is best known for its Revenue Architecture framework, which treats revenue growth as a repeatable system rather than a collection of tactics. Their work spans GTM design, sales enablement, executive training, and large-scale transformation initiatives. Trusted by enterprise SaaS brands like Adobe and Calendly, Winning by Design is a strong fit for organizations investing in long-term, systemized revenue transformation across marketing, sales, and customer success.

4. Go Nimbly
Go Nimbly offers a flexible, fractional RevOps model designed for SaaS companies adopting product-led or hybrid GTM strategies. Their subscription-based access to full RevOps teams allows businesses to move quickly without long-term hiring commitments. Known for fast execution and strong client satisfaction, Go Nimbly is ideal for mid-market SaaS companies that need expert RevOps delivery without locking into rigid contracts.

5. Carabiner Group
Carabiner Group pioneered the RevOps-as-a-Service model and remains a leader in platform-agnostic revenue operations. Supporting over 150 tools across the revenue tech stack, they specialize in optimizing complex environments without forcing clients into new platforms. Their fractional staffing and long-term partnership approach makes them a strong choice for companies with multi-system complexity, from high-growth startups to post-IPO enterprises.

1. Directive

The Pipeline-First RevOps Partner for B2B Growth

We build revenue operations for B2B teams that need campaign execution, CRM data, and pipeline reporting to tell the same story. Our work starts with the commercial outcome, then traces the systems, lifecycle stages, and handoffs required to produce it. We audit MAP and CRM architecture, repair data quality, and establish definitions that marketing and sales can use without translation. We design scoring and routing around ICP fit, buyer behavior, and sales capacity. We build attribution and reporting that follows performance beyond platform conversions and into qualified pipeline. We visualize the lifecycle so leaders can see where prospects stall, disappear, or move without proper ownership. We also execute nurture programs and integrations instead of leaving clients with a strategy deck and a crowded backlog. That combination makes RevOps an active growth function rather than a quiet maintenance team.

Our model is especially useful when marketing owns a large pipeline target and cannot prove how channel decisions affect revenue. We work directly inside HubSpot, Salesforce, and connected platforms while aligning the operating model to the broader GTM strategy. We are a certified HubSpot partner with expertise supports onboarding, architecture, automation, attribution, integrations, and ongoing administration. DiscoverabilityOS™ gives the engagement a shared method for connecting how the ICP discovers, evaluates, and selects a solution. Stratos brings CRM, media, SEO, and operational data into a clearer intelligence layer for faster decisions. We can support a focused RevOps project or integrate the work with paid media, content, creative, and broader performance programs. We are strongest with B2B organizations that want senior strategy and hands-on execution under the same revenue standard. Clients leave with a system their teams can operate, measure, and improve after the original problem is solved.

Revenue Operations Services: MAP & CRM Audit & Optimization, Lifecycle Visualization, Attribution & Reporting, Scoring & Routing, Integrations and ABM/ABX, Nurture & Email Campaigns

All Services: Revenue Operations, Paid Media, Programmatic, Content, Performance Creative, Startups, PR, Influencer, Organic Social, Paid Social, Marketplace, Lifecycle Marketing, Shopping

Standout Clients: Adobe, Cisco, ZoomInfo.

Best For: B2B organizations that need RevOps tied to marketing execution, pipeline quality, and executive visibility.

Why Choose Directive:

• Directive connects lifecycle architecture and CRM execution to the pipeline outcomes marketing leaders are expected to produce.
• The team can combine RevOps with paid media, content, creative, and broader performance programs under one measurement model.
• Directive provides senior strategy and hands-on implementation without handing the client a plan they must execute alone.

2. TripleDart

Full-funnel B2B technology growth with RevOps inside the operating system

TripleDart is a broader B2B technology GTM agency with a dedicated RevOps-as-a-Service capability. The firm works with hundreds of SaaS and technology brands across paid media, SEO, content, design, web, analytics, and operations. Its RevOps practice connects marketing, sales, and customer success processes inside HubSpot and the surrounding stack. That integrated scope can help companies avoid building attribution and lifecycle systems separately from the demand programs they measure. TripleDart supports CRM setup, migrations, automation, reporting, routing, customer success operations, and cross-functional enablement. Its global delivery team serves clients across several regions and time zones. The agency holds multiple platform partnerships, including HubSpot Platinum status. It fits B2B technology companies that want RevOps delivered alongside a wider growth program.

TripleDart is most compelling when the client wants one partner to own more than the operations layer. Its teams can connect campaign strategy, content, paid acquisition, design, analytics, and RevOps around shared pipeline goals. Published work for Swym shows a HubSpot overhaul spanning product data, lead routing, onboarding, partnerships, customer success, and dashboards. The agency also documents integrated work for Atlas HXM and a large roster that includes Freshworks and other SaaS brands. A broad service menu can create more value for an integrated engagement than for a narrow administrative task. Buyers should confirm which specialists will own RevOps architecture versus adjacent marketing work. The model benefits companies that want fewer agency handoffs and a single operating cadence. TripleDart offers a practical bridge between demand generation and the systems responsible for turning demand into revenue.

Services: RevOps as a Service, HubSpot migration and setup, lifecycle automation, reporting, routing, customer success operations, paid media, SEO, content, design.

Standout Clients: Swym, Atlas HXM, Freshworks.

Best For: B2B technology companies that want RevOps integrated with a broader full-funnel marketing and growth engagement.

Why Choose TripleDart:

• TripleDart can connect RevOps architecture to the demand programs, content, and media that create pipeline.
• Its global delivery model supports B2B technology companies operating across regions and time zones.
• The firm is most valuable when a buyer wants one partner accountable across marketing execution and operational infrastructure.

3. Winning by Design

Revenue Architecture frameworks for repeatable recurring-revenue performance

Winning by Design is a global GTM consultancy known for Revenue Architecture, SPICED, Bowtie, and related operating frameworks. The firm treats growth as a designed system with shared inputs, stages, metrics, and behaviors. Its work spans marketing, sales, customer success, RevOps, enablement, and revenue leadership. That breadth makes it more than a CRM implementation partner. Winning by Design can diagnose the revenue engine, design the operating model, and deploy changes through consulting, training, and enablement. Its intellectual property gives executive teams a common language for discussing recurring revenue. The company also operates Revenue Academy programs and certifications for capability transfer. It is one of the strongest options for organizations that need a durable GTM method across several functions.

Winning by Design is best used when the company is ready to change management behavior as well as process documentation. A diagnostic can reveal constraints in stage definitions, coaching, conversion, retention, or expansion. Design work then translates those findings into a shared architecture and operating cadence. Deployment may include workshops, leadership coaching, playbooks, and role-specific training. Customer stories include work with Beck Technology, Tipalti, and AchieveIt. The firm’s framework-led model can feel heavier than necessary for a narrow routing or dashboard project. It delivers more value when leaders want a common revenue language across the full customer lifecycle. For recurring-revenue businesses tired of heroics, Winning by Design offers a system that can be taught, inspected, and repeated.

Services: GTM diagnostics, Revenue Architecture design, sales enablement, customer success enablement, leadership coaching, workshops, Revenue Academy training.

Standout Clients: Beck Technology, Tipalti, AchieveIt.

Best For: Recurring-revenue companies that need a shared GTM operating model across marketing, sales, customer success, and leadership.

Why Choose Winning by Design:

• Winning by Design brings widely adopted frameworks that give cross-functional teams a shared language for revenue performance.
• Its consulting and education model helps clients transfer the operating method into daily management behavior.
• The firm fits companies that need organization-wide revenue architecture rather than an isolated technology project.

4. Go Nimbly

AI-ready RevOps architecture for modern product-led and hybrid GTM teams

Go Nimbly is a RevOps agency focused on systems, data, process, and AI-enabled GTM architecture. Its current positioning starts with the infrastructure required to make automation and AI useful. The firm works across systems of record, integrations, engagement tools, revenue intelligence, and orchestration. That layered view helps clients avoid placing new agents on top of fragmented data and brittle workflows. Go Nimbly supports lead management, opportunity processes, product-led growth, funnel insights, quote-to-cash, and predictive operations. Its planning work begins with an assessment and roadmap before complex implementation starts. The agency has deep roots in SaaS RevOps and continues to convene senior operators through RevFest. It is a strong fit for companies modernizing the stack while their GTM motion is still evolving.

Go Nimbly’s model is useful for product-led, sales-led, and hybrid businesses with cross-functional data requirements. The team can connect product usage, CRM activity, marketing automation, billing, finance, and warehouse data into more reliable workflows. It also designs lead scoring, routing, opportunity management, CPQ, reporting, and AI-ready architecture. Long-term customer work with Intercom demonstrates the value of an agency that can evolve alongside the operating model. The strategy-led planning phase may require more upfront alignment than buyers expect from a task-based consultancy. That investment is sensible when the project touches multiple systems and business rules. Companies should bring strong executive sponsorship because the agency will surface decisions technology alone cannot make. Go Nimbly is best for teams willing to repair the foundation before asking AI to decorate the cracks.

Services: RevOps strategy, systems architecture, integrations, lead management, product-led growth operations, funnel analytics, quote-to-cash, AI-enabled GTM.

Standout Clients: Intercom, Watershed, Superhuman.

Best For: SaaS companies building AI-ready revenue infrastructure across product-led, sales-led, or hybrid GTM models.

Why Choose Go Nimbly:

• Go Nimbly designs RevOps across the full technology layer, from systems of record through AI orchestration.
• Its planning process forces teams to resolve business rules before implementation makes those rules harder to change.
• The agency is a strong match for SaaS companies connecting product data, CRM workflows, and revenue intelligence.

5. Carabiner Group

Platform-agnostic RevOps expertise now integrated into SBI’s broader GTM practice

Carabiner Group pioneered RevOps-as-a-Service before SBI acquired the firm in 2024. Its former standalone website now redirects to SBI’s RevOps and RevTech practice, so buyers should evaluate it as part of SBI rather than as an independent agency. The combined offering connects revenue strategy, systems design, data architecture, and execution. It aligns sales, marketing, and customer success around shared processes, metrics, and accountability. Current capabilities include RevOps strategy, process optimization, revenue intelligence, data architecture, team structure, and performance management. The technology work extends into stack strategy, CRM and marketing automation, integrations, analytics, AI, and adoption. Carabiner’s platform-agnostic heritage still matters because the practice designs architecture around the business model instead of a preferred vendor. SBI adds broader GTM advisory, training, analytics, and AI-powered intelligence to that technical foundation.

The model works best for companies whose revenue problems cross several systems and functions. Buyers can use the team for diagnostic work, architecture, implementation, optimization, and ongoing operational support. The practice is suited to mid-market and enterprise organizations managing complicated technology stacks or unreliable revenue data. Private-equity-backed companies may also value the connection between commercial strategy, operational infrastructure, and performance visibility. Because Carabiner now sits within SBI, an engagement may be broader than the flexible fractional model associated with the original agency. Teams seeking a small independent consultancy should confirm the delivery team, scope, and governance structure before signing. Companies with complex environments can benefit from one partner connecting technology decisions to the wider GTM strategy. Carabiner remains relevant, but the current buying decision centers on SBI’s integrated RevOps capability, not the former standalone brand.

Services: RevOps Strategy, Process Optimization, Revenue Intelligence, Data Architecture, Team Structure, Performance Management, Tech Stack Strategy, CRM and Marketing Automation, Data and Integrations, Analytics and BI, AI and Automation, Adoption and Training.

Best For: Mid-market and enterprise organizations that need platform-agnostic RevOps execution connected to broader GTM transformation.

Why Choose Carabiner Group:

• SBI’s RevOps practice connects strategy, process, data, and technology in one engagement.
• The team designs technology stacks around business requirements instead of pushing one vendor ecosystem.
• Its broader advisory capabilities suit organizations that need RevOps tied to GTM transformation and performance management.

6. New Breed

Deep HubSpot expertise for integrated RevOps and demand generation

New Breed is an Elite HubSpot Solutions Partner focused on revenue operations and integrated growth. The firm has completed hundreds of HubSpot implementations and holds a large portfolio of platform certifications and accreditations. Its work covers CRM architecture, implementation, integrations, demand generation, content, reporting, sales enablement, and managed services. That combination makes New Breed relevant to companies standardizing several GTM functions on HubSpot. The agency also develops platform-focused tools and publishes research on the HubSpot ecosystem. Its newer AI services help clients operationalize Breeze Intelligence, agents, buying intent, predictive scoring, and connected workflows. New Breed approaches RevOps as the operating layer connecting marketing, sales, and service. It is one of the stronger choices for organizations committed to HubSpot as the core revenue platform.

New Breed works best when HubSpot is a strategic system rather than a departmental database. The team can design the architecture, migrate data, configure hubs, train users, and manage optimization after launch. Its demand generation services can also connect campaign execution to the same reporting and lifecycle model. AI readiness work adds governance, data preparation, agent configuration, and workflow design to the engagement. Buyers using a heavily customized Salesforce environment may find the firm’s HubSpot orientation narrower than a platform-agnostic consultancy. HubSpot-centered teams can turn that specialization into faster implementation and deeper platform use. Published client references include BigCommerce, Intuit, and other B2B organizations. New Breed is a credible partner when the business wants HubSpot to carry real operating weight across the revenue team.

Services: Revenue operations, HubSpot implementation, CRM migration, integrations, demand generation, sales enablement, managed services, HubSpot AI consulting.

Standout Clients: BigCommerce, Intuit, SolarCity.

Best For: B2B companies standardizing marketing, sales, service, and reporting on HubSpot.

Why Choose New Breed:

• New Breed brings unusually deep HubSpot implementation credentials across complex, cross-functional use cases.
• Its integrated demand generation capabilities can connect campaign execution to the same lifecycle and attribution model.
• The firm’s AI services help HubSpot teams prepare data, workflows, and governance before deploying agents at scale.

7. Revenue Wizards

European RevOps operators for scale, efficiency, and AI-enabled execution

Revenue Wizards serves B2B companies with complex sales processes across Europe and other global markets. Its leadership brings operating experience from organizations including Tesla, Microsoft, Oracle, Chargebee, Castor, and PwC. The firm organizes its work around process optimization, systems integration, data and analytics, revenue strategy, and AI deployments. That scope gives it a practical view of RevOps beyond CRM configuration. Its current positioning emphasizes human and AI alignment, with attention to which tasks should be automated and which still need judgment. Revenue Wizards also works across Salesforce, HubSpot, data infrastructure, billing platforms, and the surrounding GTM stack. Its client base includes scale-ups, enterprise teams, and private-equity-backed companies facing aggressive efficiency goals. The agency is particularly relevant when operational improvement must withstand investor scrutiny.

Engagements can begin with an audit, roadmap, focused project, fractional support, or broader consulting relationship. Revenue Wizards is strongest when the leadership team wants an external operator to challenge process, pricing, organization design, and technology choices together. Its work can cover pipeline standardization, handoff automation, KPI alignment, compensation design, data cleanup, and performance dashboards. The AI practice adds workflow design, agent deployment, tool selection, and adoption planning to that foundation. Case studies document work for companies such as Whatagraph, Castor, Greenomy, and N-SIDE. Buyers with simple CRM administration needs may find the firm’s strategy-led scope broader than necessary. Teams dealing with post-merger integration, rapid scale, or margin pressure are more likely to use the full range well. Revenue Wizards brings a commercially minded European perspective to systems work that can otherwise become painfully technical.

Services: Revenue strategy, process optimization, systems integration, data and analytics, CRM and ERP implementation, AI workflow design, fractional RevOps.

Standout Clients: Whatagraph, Castor, N-SIDE.

Best For: European B2B scale-ups and private-equity-backed companies that need commercial strategy and technical RevOps execution.

Why Choose Revenue Wizards:

• Revenue Wizards combines operating experience with hands-on work across process, systems, analytics, and organization design.
• Its AI services focus on measurable workflow outcomes instead of adding agents wherever a demo looks impressive.
• The firm fits leadership teams that need RevOps decisions to improve revenue efficiency and withstand investor review.

8. Think RevOps

On-demand Salesforce and HubSpot architecture for growth-stage B2B teams

Think RevOps helps growth-stage B2B companies simplify systems, data, and operating processes. The consultancy works across revenue strategy, technical architecture, Salesforce, HubSpot, integrations, automation, and reporting. Its current service menu includes full implementations as well as fractional platform support. That gives buyers a path from a defined migration project into ongoing administration and optimization. The team reports experience across more than 200 RevOps projects and a broad set of technology certifications. Its delivery footprint spans several countries, which can help distributed companies cover regional operating needs. Think RevOps positions technology as an enabler of process rather than the starting point for every recommendation. It is a solid fit for teams that know their stack is underperforming but lack the internal capacity to redesign it.

The engagement model can support an architecture build, a platform migration, or a recurring queue of operational improvements. Salesforce-focused buyers can use the firm for implementation, fractional administration, data design, and connected tooling. HubSpot-focused buyers receive similar support for migration, configuration, workflows, reporting, and ongoing optimization. Think RevOps also connects website forms, lead processes, and board reporting to the underlying CRM architecture. Its testimonial from Treefera shows the value of combining qualification process design, automation, data cleanup, and forecasting visibility. Companies should enter with clear business priorities so platform work does not become an endless list of tickets. The firm’s range is most valuable when strategy and implementation need to move together. Think RevOps offers the technical bench of a larger partner with the flexibility of an on-demand team.

Services: RevOps strategy, technical architecture, Salesforce implementation, fractional Salesforce support, HubSpot implementation, fractional HubSpot support, integrations, data and automation.

Standout Clients: Treefera, Spendesk, Triptease.

Best For: Growth-stage B2B companies that need flexible Salesforce or HubSpot expertise backed by broader RevOps strategy.

Why Choose Think RevOps:

• Think RevOps can move from architecture and migration planning into the configuration work required to make the design real.
• Its fractional support model gives companies ongoing platform expertise without immediately adding permanent headcount.
• The firm is a strong fit when data, process, reporting, and CRM performance need to improve together.

9. Six & Flow

Strategic HubSpot consulting with RevOps, data, and adoption built together

Six & Flow is a strategic HubSpot consultancy with operations across the United Kingdom, Europe, and North America. Its service model combines HubSpot implementation, RevOps, data and technology, enablement, and AI consulting. The firm has worked with more than 500 brands and delivered more than 1,000 projects. Its RevOps practice focuses on connecting marketing, sales, and customer experience through shared process and data. Services include RevOps consulting, foundations, demand generation, sales enablement, integrations, and reporting. Six & Flow is an Elite HubSpot partner and supports complex platform programs across regions. The company also holds ISO 27001 certification, which matters for buyers with formal security requirements. It is a strong fit for organizations that need implementation quality and sustained user adoption.

Six & Flow begins with strategy, process mapping, journey design, API scoping, and data architecture alignment. The implementation phase translates that roadmap into HubSpot configuration, automation, reporting, and connected systems. Training and ongoing optimization then help the operating model survive beyond go-live. Its FLAIR framework adds a structured path for AI adoption across marketing, sales, and service. Published client work and references include Ocado, Hostelworld, Zeelo, and other global organizations. The firm’s HubSpot focus makes it less suitable for companies seeking a neutral comparison across several CRM platforms. For multi-region HubSpot programs, that specialization is an advantage rather than a limitation. Six & Flow brings strategy, technical depth, governance, and enablement into one coherent delivery model.

Services: RevOps consulting, RevOps foundations, HubSpot implementation, demand generation, sales enablement, data consulting, integrations, AI consulting, managed services.

Standout Clients: Ocado, Hostelworld, Zeelo.

Best For: Mid-market and enterprise organizations running complex HubSpot programs across several teams or regions.

Why Choose Six & Flow:

• Six & Flow combines RevOps strategy, HubSpot implementation, data architecture, and enablement in one program.
• Its international footprint supports multi-region organizations that need consistent governance and local collaboration.
• The firm’s security certification and managed services model suit companies with long-term platform accountability requirements.

10. Huble Digital

Enterprise HubSpot transformation for multi-region and compliance-heavy organizations

Huble is a global HubSpot consultancy built for complex enterprise transformation. The firm specializes in large, multi-region, and multi-division programs that extend beyond basic CRM implementation. Its work spans HubSpot architecture, migration, data, process mapping, integrations, sales and revenue operations, customer service, websites, and creative services. Huble designs RevOps frameworks covering sales process, attribution, forecasting, dashboards, pipeline governance, handoffs, and multi-region reporting. The company is an Elite HubSpot partner with more than 10 years of implementation experience. It also holds ISO 9001 and ISO 27001 certifications across its operating footprint. Those credentials support buyers with formal quality, security, and governance requirements. Huble is best understood as an enterprise transformation partner with HubSpot at the center.

The firm’s approach suits companies that need several regions or business units to adopt a shared operating model. Huble can manage discovery, architecture, migration, implementation, custom development, integrations, and change control. Ongoing managed services and administration keep the system evolving after the initial launch. Its broader customer journey expertise also connects sales operations with marketing, service, web, and portal experiences. Client references include Atlas HXM, Abbott, and other multinational organizations. Smaller companies with a simple HubSpot instance may not need the scale or governance depth Huble brings. Enterprise buyers should value the firm’s ability to coordinate technical and organizational change across borders. Huble offers control, documentation, and delivery capacity for programs where a casual implementation would become an expensive international hobby.

Services: HubSpot implementation, CRM migration, RevOps frameworks, attribution, forecasting, dashboards, pipeline governance, integrations, managed services, enterprise websites and portals.

Standout Clients: Atlas HXM, Abbott, Gnosis.

Best For: Multi-region enterprises that need governed HubSpot transformation with strong security, quality, and change-management controls.

Why Choose Huble:

• Huble has the scale and governance depth to manage HubSpot programs across regions, divisions, and complex stakeholder groups.
• Its ISO certifications support enterprise buyers with formal security and quality requirements.
• The firm can connect RevOps architecture to sales, service, web, portal, and customer journey programs.

11. Iceberg RevOps

Senior B2B operators delivered through a consistent sprint-based service model

Iceberg RevOps provides outsourced sales and marketing operations for B2B companies. The firm works heavily with growth-stage SaaS businesses and supports a broad mix of revenue technologies. Its services cover CRM implementation, sales operations, marketing operations, analytics, attribution, CPQ, and workflow design. Iceberg uses a sprint model that gives clients a recurring structure for prioritization and delivery. That operating rhythm is useful for teams with more RevOps work than one internal hire can absorb. The agency is tool agnostic across platforms including Salesforce, HubSpot, Marketo, Pardot, LeanData, Clari, Outreach, and related systems. Its case work spans operational cleanup, global routing, reporting, attribution, and scalable process design. Iceberg is strongest when a company needs senior judgment and a dependable implementation cadence.

Clients typically begin with a defined initial commitment before moving into rolling monthly support. The hourly model keeps pricing consistent across different project types, which can simplify planning when priorities shift. Iceberg limits its client load, a choice that supports access but can make availability worth confirming early. Its work for Withings Health Solutions addressed Salesforce administration, lead management, reporting speed, and broader operational strategy. Other published work includes projects for Oyster and TaskRay. Buyers should have a clear owner who can sequence the backlog and make timely decisions. The service is less suited to organizations seeking a one-day platform fix or unlimited ad hoc requests. For B2B teams with a persistent queue of cross-functional work, Iceberg offers an experienced pair of hands and a process for using them well.

Services: Sales operations, marketing operations, CRM implementation, analytics, attribution, CPQ, reporting, workflow automation.

Standout Clients: Withings Health Solutions, Oyster, TaskRay.

Best For: Growth-stage B2B companies that need ongoing RevOps execution across a changing backlog of systems and process work.

Why Choose Iceberg RevOps:

• Iceberg RevOps works exclusively with B2B companies and understands the operating pressure inside growth-stage SaaS teams.
• Its sprint model creates a repeatable cadence for prioritizing, delivering, and reviewing RevOps improvements.
• The tool-agnostic team can support projects across CRM, automation, analytics, attribution, and sales operations.

12. RevPartners

HubSpot and Clay engineering for signal-driven GTM operations

RevPartners builds GTM systems, data, and operating processes around HubSpot and Clay. The firm holds Elite status in both ecosystems, giving it a distinct position among platform-focused RevOps partners. Its work includes CRM implementation, migration, custom integrations, automation, lifecycle management, reporting, enablement, and data orchestration. RevPartners uses a Revenue Performance Model to connect customer acquisition, retention, expansion, and operating visibility. The agency is particularly relevant for teams that have plenty of data but struggle to turn signals into coordinated action. Its Clay practice adds enrichment, orchestration, and workflow automation to the HubSpot foundation. Industry specialization includes SaaS, software, and professional services. RevPartners fits buyers that want technical execution paired with a clear performance framework.

The company can support a focused HubSpot project or provide fractional RevOps services over time. Technical consulting covers architecture, programmable automation, APIs, migrations, and complex data flows. The Clay capability helps teams operationalize intent, enrichment, personalization, and outbound workflows without creating another disconnected data island. Published customer references include Eventbrite, SpectrumVoIP, and Furnished Finder. The platform specialization makes the firm less neutral for companies that are not committed to HubSpot or Clay. For teams using both, that concentration can reduce handoffs between CRM and GTM engineering work. Buyers should establish governance for automated enrichment and outreach before scaling volume. RevPartners brings modern signal orchestration into the same room as the CRM architecture responsible for recording the outcome.

Services: HubSpot implementation, CRM migration, custom integrations, RevOps as a Service, Clay consulting, data orchestration, lifecycle management, reporting, automation, enablement.

Standout Clients: Eventbrite, SpectrumVoIP, Furnished Finder.

Best For: HubSpot-centered B2B companies that want Clay-powered data orchestration and GTM engineering connected to RevOps.

Why Choose RevPartners:

• RevPartners combines Elite HubSpot and Clay expertise in one technical operating model.
• Its team can connect CRM architecture, data enrichment, automation, and lifecycle reporting without splitting ownership across vendors.
• The firm fits companies ready to turn buyer signals into governed workflows and measurable pipeline action.

13. SBI Growth

Enterprise GTM transformation backed by benchmarks, technology, and execution support

SBI Growth is a B2B growth advisory that works across GTM strategy, revenue operations, technology, analytics, and talent. Its scope is broader than a conventional RevOps agency, which makes the firm relevant when the operating problem crosses several executive functions. The company says its methods draw on 35 years of best practices from thousands of engagements. Its Revenue Technology and Operations practice aligns sales, marketing, customer success, process, data, and systems around a shared revenue model. Capabilities include RevOps strategy, process optimization, revenue intelligence, data architecture, team design, performance management, CRM, integrations, analytics, and automation. SBI’s 2024 acquisition of Carabiner Group added a platform-agnostic technical delivery model to that advisory foundation. SBI Wayforge™ supplements the work with AI-assisted analysis and proprietary benchmarks designed to expose growth opportunities and risks sooner. Together, those capabilities position SBI for enterprise-level transformation rather than a narrow CRM cleanup or dashboard project.

SBI typically fits organizations that need to diagnose the revenue engine before deciding which technology or process to change. An engagement can move from market segmentation and GTM design into system architecture, implementation, enablement, and performance management. That continuity can reduce the familiar handoff where a strategy deck reaches the operating team without an owner or an implementation path. Large B2B companies benefit most because they have enough organizational complexity for SBI’s breadth to matter. Private equity sponsors can also use the firm to connect commercial diligence, value-creation planning, and portfolio-company execution. Smaller teams with a single CRM problem may find the model broader and more expensive than necessary, so scope discipline matters. Buyers should confirm which work will be led by senior advisors, which will be delivered by the RevTech team, and how success will be measured after launch. For companies facing fragmented data, unreliable forecasts, and cross-functional friction at the same time, SBI offers a credible path from diagnosis to operational change.

Services: RevOps Strategy, Process Optimization, Revenue Intelligence, Data Architecture, Team Structure, Performance Management, Tech Stack Strategy, CRM and Marketing Automation, Data and Integrations, Analytics and BI, AI and Automation, Adoption and Training, GTM Design, Revenue Growth Office, Enablement and Playbooks.

Standout Clients: Zayo, Enverus, Alteryx.

Best For: Enterprise B2B organizations and private equity sponsors managing complex, cross-functional GTM transformations.

Why Choose SBI Growth:

• SBI connects enterprise GTM strategy with hands-on RevOps and RevTech execution.
• Its platform-agnostic approach helps clients design systems around business requirements instead of vendor preferences.
• The firm’s benchmarks and cross-functional advisory depth suit complex transformations that require executive alignment and measurable accountability.

14. Skaled

Revenue performance consulting with embedded operators and practical AI execution

Skaled is a revenue performance agency that combines RevOps, GTM strategy, enablement, and AI implementation. The firm works with growth-stage and enterprise companies that need stronger alignment across sales, marketing, customer success, finance, and operations. Its RevOps services include fractional leadership, tactical administration, process optimization, CRM work, reporting, enablement, and technology adoption. Skaled also deploys AI GTM engineers to build assistants, workflows, automations, and team training. That combination gives it a broader remit than a conventional systems integrator. The agency emphasizes embedded execution instead of static recommendations. It reports experience across more than 1,000 companies and a large base of strategic and hands-on delivery hours. Skaled is strongest when leadership wants to improve the revenue organization and the daily work inside it.

Fractional executives can help establish priorities, operating cadence, and accountability without a full-time leadership hire. Tactical specialists then handle configuration, reporting, automation, data hygiene, and migration work. Enablement services turn the redesigned process into playbooks, training, and repeatable manager behavior. The AI practice focuses on productivity gains across prospecting, research, CRM updates, forecasting, and follow-up. Published work includes RevOps and AI programs for Yottaa, NoFraud, Brandwatch, and Koozie Group. Buyers seeking a narrow CRM implementation should confirm the scope does not expand beyond the immediate need. Companies facing leadership gaps, execution debt, and AI pressure are more likely to use the full model. Skaled offers a practical path from revenue strategy to the workflows reps and managers touch every day.

Services: Revenue operations, fractional CRO and VP support, tactical administration, GTM strategy, revenue enablement, AI GTM engineering, CRM optimization, automation, reporting.

Standout Clients: Yottaa, NoFraud, Brandwatch.

Best For: B2B companies that need fractional revenue leadership, hands-on RevOps execution, and practical AI adoption under one partner.

Why Choose Skaled:

• Skaled can pair senior revenue leadership with the operators responsible for systems, workflows, reporting, and enablement.
• Its AI GTM engineers build practical automations and train teams to use them inside existing revenue motions.
• The firm fits organizations that need strategic alignment and execution capacity at the same time.

15. InTandem

A curated RevOps expert network for fast, flexible capacity

InTandem uses a talent-network model to match companies with vetted RevOps practitioners. Its network includes more than 2,000 analysts, operators, and leaders with experience from Series A companies through Fortune 500 enterprises. The matching process combines AI with human review and aims to place an expert within 72 hours. InTandem screens applicants through a detailed assessment and accepts fewer than 5% into the network. That structure gives buyers access to narrow technical skills or senior leadership without searching the contractor market alone. Engagements can range from 5 to 40 hours per week. The firm supports project execution, interim coverage, fractional leadership, and full-time hiring. It is a useful option when speed and role fit matter more than bringing in a traditional agency team.

The model works best when the company can define the outcome, required platform knowledge, and level of seniority clearly. A business might use InTandem for a Salesforce project, parental leave coverage, a Deal Desk build, or an interim RevOps leader. The network approach provides flexibility across budget, stage, and workload. It also means the client experience depends heavily on the quality of the individual match and the clarity of internal management. InTandem reduces that risk through vetting, replacement support, and a curated matching process. Testimonials and published client references include Daxtra, Built In, Acquia, Lavu, and Retool. Companies needing a fully managed transformation may prefer an agency with a fixed multidisciplinary pod. Teams that need the right operator quickly will find InTandem much closer to the problem.

Services: On-demand RevOps consulting, fractional placements, project execution, interim coverage, full-time recruiting, specialist matching.

Standout Clients: Daxtra, Built In, Retool.

Best For: Companies that need a specific RevOps skill set or interim operator quickly without committing to a traditional agency structure.

Why Choose InTandem:

• InTandem can match companies with specialists from a vetted network of more than 2,000 RevOps practitioners.
• Its flexible workload options support projects, temporary coverage, fractional leadership, and longer-term placements.
• The model works well when a company knows the capability gap and needs qualified capacity within days.

16. FullFunnel

End-to-end RevOps capacity across demand, pipeline, and customer success

FullFunnel is a B2B GTM and RevOps services firm with a broad operating scope. Its RevOps model covers demand generation, pipeline management, customer success, technology, data operations, and process engineering. The company offers consulting, one-time projects, managed services, and RevOps as a Service. That range lets clients address capability gaps without building a large internal team at once. FullFunnel also works on inbound and outbound programs, giving it direct exposure to the motions its systems must support. Its technology services include CRM implementation, stack optimization, dashboards, reporting, automation, and AI-enabled operations. The firm has worked with startups, private-equity-backed companies, and large enterprises across several industries. It is a strong option for businesses that define RevOps as the full production system for revenue.

FullFunnel is most useful when the problem spans execution capacity as well as operating design. A company can start with an audit or project, then move into a managed service as the backlog becomes clearer. Its team can support tech stack management, demand programs, data operations, pipeline process, and customer success workflows. Published work includes programs for Willdan, GLOBO, Randstad, and other B2B organizations. The breadth can reduce vendor coordination for companies that need several functions repaired together. It can also be more service than necessary for a narrow administrator request. Buyers should define the commercial objective and the boundary between internal ownership and agency execution. FullFunnel gives lean teams a way to add an operating bench without pretending the revenue engine stops at the CRM.

Services: RevOps as a Service, RevOps consulting, CRM implementation, tech stack management, data operations, demand generation, pipeline management, customer success, GTM engineering, AI automation.

Standout Clients: Willdan, GLOBO, Randstad.

Best For: B2B organizations that need managed operating capacity across demand generation, pipeline management, technology, and customer success.

Why Choose FullFunnel:

• FullFunnel can address strategy, technology, process, and execution across the full revenue lifecycle.
• Its project and managed-service options let companies scale support as priorities and internal capacity change.
• The firm fits lean revenue teams that need several operational disciplines without coordinating multiple specialist vendors.

17. 6sense

AI-powered buyer intelligence for mature account-based revenue teams

6sense is a revenue intelligence and ABM software platform, not a RevOps agency. Its Revenue Marketing platform helps B2B teams identify in-market accounts, surface anonymous buyer activity, build audiences, and coordinate campaigns around buying signals. The system combines first-party CRM and MAP data with third-party intent, firmographic, technographic, web, and contact signals. Predictive models score account fit and buying stage so marketing and sales can prioritize the same opportunities. Teams can activate those audiences through advertising, AI email, and workflows that connect with Salesforce, Marketo, LinkedIn, Google Ads, and other GTM tools. Cross-campaign reporting ties account progression and marketing activity to pipeline and closed-won revenue. RevvyAI adds natural-language access to the company’s GTM intelligence, reducing the work required to surface account-level answers. The platform’s value sits in intelligence and activation, while strategy, governance, implementation, and organizational change still need internal owners or an outside partner.

6sense works best for established B2B revenue teams with a defined ICP, reliable CRM data, and enough target-account volume to support predictive modeling. A successful deployment depends on shared definitions, clean lifecycle stages, disciplined routing, and clear ownership across marketing, sales, and RevOps. When those foundations are sound, the platform can replace broad campaign targeting with more precise account prioritization. Marketing can use changing intent and buying-stage signals to adjust audiences, channels, and spend. Sales gains a clearer view of which accounts are researching, what topics matter, and when outreach may be timely. The platform is less appropriate for smaller teams still repairing basic CRM architecture or searching for hands-on RevOps execution. Buyers should evaluate data coverage, integration requirements, model transparency, activation workflows, and the operational effort required to turn signals into coordinated action. For organizations prepared to operationalize the intelligence, 6sense can make account-based execution faster, sharper, and easier to connect to pipeline.

Services: Intent Data, B2B Buyer Data, Web Deanonymization, Predictive Modeling, Audience Builder, Digital Advertising, AI Email, Intelligent Workflows, Sales Intelligence, Reporting and Analytics, RevvyAI.

Standout Clients: Corporate Visions, Expereo, Vertiv.

Best For: Established B2B companies with mature data foundations and account-based teams that need stronger buyer intelligence, prioritization, and activation.

Why Choose 6sense:

• 6sense unifies first-party data and external buying signals to create a clearer view of account activity.
• Its predictive modeling helps marketing and sales prioritize accounts using shared fit and buying-stage intelligence.
• The platform connects audience creation, campaign activation, seller insights, and revenue reporting within one operating environment.

18. Abacum

Financial planning infrastructure that connects RevOps forecasts to business performance

Abacum is an AI-native FP&A platform, not a RevOps consulting agency. Its RevOps offering gives revenue leaders a shared environment for pipeline forecasting, quota planning, scenario modeling, and performance reporting. The platform connects CRM, ERP, HRIS, and finance data so teams can compare commercial activity with actual business results. Revenue teams can model pipeline coverage, conversion rates, rep capacity, hiring plans, and recurring-revenue assumptions without stitching together another spreadsheet maze. Finance can review those operating assumptions against budgets, cash requirements, and company targets. Abacum’s planning and reporting tools support multidimensional models, live dashboards, variance analysis, and collaborative workflows. Its customer examples show teams using the platform to shorten forecasting cycles, improve revenue visibility, and give budget owners more accountability. That makes Abacum useful when the RevOps challenge centers on planning discipline and financial alignment rather than CRM architecture or campaign operations.

Abacum works best for growing companies that already have defined revenue processes but struggle to connect forecasts with financial plans. It is particularly useful when RevOps and finance maintain competing versions of pipeline, headcount, or revenue expectations. A well-configured deployment creates one planning layer where teams can update assumptions and immediately see their financial impact. RevOps leaders can monitor coverage, capacity, conversion, and attainment without waiting for a monthly spreadsheet rebuild. Finance leaders gain clearer explanations for forecast changes and the operational decisions behind them. The platform does not redesign lifecycle stages, repair routing logic, implement CRM workflows, or manage cross-functional change. Buyers should assess data quality, integration requirements, model ownership, and internal planning maturity before expecting the software to improve forecast accuracy. For teams with reliable source systems and clear operating definitions, Abacum can make revenue planning faster, more collaborative, and more accountable.

Services: Revenue Planning, Budgeting and Forecasting, Scenario Planning, Financial Modeling, Performance Reporting, Variance Analysis, Headcount Planning, Investor Reporting, Excel Connector, Data Integrations, AI-Powered Intelligence.

Standout Clients: Lodgify, Kenjo, Creative Force.

Best For: Growth-stage and mid-market companies that need RevOps and finance to plan revenue, capacity, and spending from the same assumptions.

Why Choose Abacum:

• Abacum connects operational revenue data with financial planning so teams can see how pipeline assumptions affect company performance.
• Its multidimensional modeling and scenario tools help leaders test changes in conversion, hiring, capacity, and recurring revenue.
• The platform gives RevOps and finance a shared planning environment that reduces spreadsheet-heavy forecasting and reporting.

19. Revenue Pulse

Deep marketing automation execution for complex enterprise campaign environments

Revenue Pulse is a marketing operations consultancy that works inside the systems where B2B campaigns, lead management, and reporting actually run. Its scope covers strategic advisory, platform migration, implementation, administration, and ongoing campaign execution. The firm is strongest in complex marketing automation environments involving Marketo, HubSpot, Pardot, Salesforce, and Microsoft Dynamics. Its marketing operations services include API management, system integrations, lead scoring, routing, funnel optimization, compliance, journey mapping, and personalization. Revenue Pulse also offers campaign operations for teams that need production capacity, QA, testing, segmentation, and performance analysis at scale. Its AI automation work applies LLMs and workflow tools to use cases such as ICP synthesis, intent scoring, nurture personalization, persona classification, and sales research. On its current services page, the company reports managing more than 170,000 campaigns and 3.7 billion email deployments while maintaining an error rate below 0.5%. This specialization makes Revenue Pulse especially relevant when marketing operations is the weakest link inside a broader RevOps system.

Engagements can range from a defined platform migration or integration project to ongoing campaign production and fractional leadership. Fractional resources include marketing executives, operations leaders, demand generation strategists, analysts, copywriters, and creative specialists. This gives clients room to address both strategic gaps and the operational backlog that keeps good plans trapped in a slide deck. Revenue Pulse is best suited to mid-market and enterprise organizations with substantial campaign volume or sophisticated automation requirements. Teams with underused Marketo instances, unreliable lead routing, inconsistent campaign QA, or fragmented reporting are particularly aligned with its strengths. Companies needing broader sales operations, customer success architecture, compensation planning, or complete GTM redesign may require additional RevOps expertise. Buyers should clarify platform ownership, documentation standards, governance responsibilities, and how campaign improvements will be measured against pipeline. When campaign volume and system complexity are the real constraints, Revenue Pulse offers the specialized depth needed to make marketing operations more dependable.

Services: Marketing Operations, Campaign Operations, AI Automation, Fractional Marketing Resources, Data and Analytics, Platform Migrations, System Integrations, Martech Deployment, Lead Scoring and Routing, Funnel Optimization, Campaign Production, Performance Reporting.

Standout Clients: Revenue Pulse does not publicly identify client names on its current website.

Best For: Mid-market and enterprise B2B teams that need specialized marketing automation, campaign operations, and data support within a larger RevOps program.

Why Choose Revenue Pulse:

• Revenue Pulse brings deep execution experience across major CRM and marketing automation platforms.
• The team supports both strategic system improvements and the recurring campaign work required to keep operations moving.
• Its campaign operations model gives high-volume marketing teams additional capacity without requiring several specialized internal hires.

20. Digital Reach Agency

Digital Reach Agency is a B2B digital growth agency that combines RevOps with GTM strategy, demand generation, brand, and digital experience. Its RevOps practice focuses on building reliable revenue architecture across CRM, MOPS, attribution, and business intelligence. The team works on lifecycle stages, lead scoring, routing, nurturing, data collection, system integrations, and real-time reporting. The agency’s broader model also connects that operational foundation to paid media, SEO, email, chat, content syndication, ABM, and PLG programs. Its current RevOps offering centers on giving marketing, sales, and customer success a shared source of truth instead of another pile of disconnected dashboards. That combination allows Digital Reach to fix operational problems while accounting for the campaigns and customer journeys feeding the system. In a documented Accuris engagement, the agency integrated HubSpot and Salesforce, reduced sync errors by 95%, and saved the sales operations team 240 hours of manual work over 3 months. The example demonstrates practical strength in the unglamorous integration work that often determines whether pipeline reporting can be trusted.

Engagements typically start with an assessment of workflows, technology, data infrastructure, and the client’s GTM motion. Implementation can include CRM architecture, field mapping, lifecycle automation, attribution models, dashboards, and cross-functional training. This model suits B2B companies whose marketing programs are generating activity faster than their systems can process it. Clients can also extend the relationship into pipeline generation or digital experience work instead of coordinating several specialized partners. The agency is less specialized in areas such as compensation design, customer success operations, pricing, or enterprise workforce transformation. Teams seeking only a tightly defined CRM administration project should confirm that the broader strategic scope matches their needs. Buyers should also clarify platform ownership, reporting governance, documentation, and which team will maintain the architecture after implementation. For B2B companies that need RevOps connected directly to demand generation, Digital Reach offers a useful combination of systems expertise and campaign context.

Services: RevOps Strategy, CRM Architecture, Marketing Operations, Lead Scoring and Routing, Lifecycle Automation, Data Attribution, Business Intelligence, GTM Roadmaps, Paid Media, SEO, Email Nurture, Chat, Content Syndication, ABM, Demand Generation, PLG.

Standout Clients: Accuris, Intapp, RollWorks.

Best For: B2B companies that need RevOps infrastructure connected to demand generation, attribution, and broader GTM execution.

Why Choose Digital Reach Agency:

• Digital Reach connects CRM, marketing automation, attribution, and reporting with the campaigns that create pipeline.
• The team has documented experience repairing complex HubSpot and Salesforce integrations while reducing manual operational work.
• Its broader GTM capabilities suit companies that want one partner addressing both revenue infrastructure and pipeline execution.

What to Consider When Hiring a Revenue Operations Agency

When RevOps works, leaders can trust the forecast, sellers receive the right opportunities, and marketing can show how its investments influence pipeline. When it breaks, leads disappear between systems, attribution becomes a debate, and planning meetings turn into arguments over whose dashboard is correct. A capable agency fixes the operating failures behind those symptoms and creates a cohesive revenue system.

Start with the business problem the agency must correct. Determine whether the priority is forecast reliability, lifecycle design, attribution, CRM architecture, seller productivity, data governance, AI enablement, or temporary operating capacity. Then test whether the agency can connect its work to pipeline, margin, retention, or another executive outcome. Review who will make architecture decisions, who will perform the implementation, how changes will be documented, and what the internal team will own after launch. Platform certifications matter, but they cannot replace B2B operating judgment or a clear measurement model. The right partner should challenge a broken process before automating it, explain tradeoffs without hiding behind jargon, and leave the revenue engine stronger than it found it.

Choosing the Right Revenue Operations Partner

A revenue engine is only as credible as the data, handoffs, and decisions holding it together. When lifecycle stages disagree with CRM logic, attribution ends at the lead, or sales and marketing forecast from different numbers, growth becomes harder to manage than it should be. Strong RevOps turns that confusion into a shared operating model with dependable systems, clear ownership, and reporting that shows leadership what is actually driving pipeline. The right agency leaves those pieces clearer, faster, and easier to govern.

Directive builds RevOps around measurable B2B revenue outcomes. We work directly inside CRM and marketing automation environments to improve lifecycle architecture, scoring, routing, integrations, attribution, nurture programs, and executive reporting. Every technical decision connects to a commercial one, whether the goal is stronger pipeline visibility, faster handoffs, cleaner forecasting, or more efficient growth. If your revenue engine has outgrown its current architecture, talk with Directive about building an effective RevOps system.