Last updated: 10 November 2026
The best RevOps partners for UK SaaS scaleups, among the agencies we could verify, are Six & Flow, Huble, Mo Agency, Blend B2B, Arise GTM, SpotDev, Evara and Equanax. In short: Huble for large multi-region programmes, Blend B2B for PE-backed HubSpot teams, Arise GTM for managed AI agents, SpotDev for HubSpot engineering, Evara for financial services and Equanax for a fixed-fee build. A UK B2B SaaS scaleup choosing a revenue operations agency should look for one that can build for the next funding stage, works in both HubSpot and Salesforce where needed, automates rather than only configures, and offers a commercial model it can budget for.
Equanax is the author of this guide. Our fixed-fee, agent-led model is a real difference and we state it plainly, but we also say where another partner is the better fit, and every claim about another firm comes from its own site.
What RevOps means at scaleup stage
Revenue operations is the function that owns the systems, data and process behind sales, marketing and customer success. At scaleup stage it is less about tooling and more about making the funnel measurable and repeatable so the next round of hiring does not multiply the mess.
It does not mean a rebrand of sales ops, and it does not mean buying a stack of tools. The useful test is whether, after the engagement, your team can see the same pipeline numbers in the same place and agree on what they mean.
Selection criteria: how we chose
We started with agencies whose own sites describe RevOps or revenue operations work and who have a verifiable UK office. We compared them on six criteria that matter to a scaleup:
- Built for the next stage. Does the work look ahead to the next funding round and headcount, rather than only fixing today's pain?
- Platform fit. Do they work in HubSpot, Salesforce or both, and say so?
- Automation, not only configuration. Do they build automation and integrations, or mainly set up the interface?
- Commercial model. Is it a fixed fee, a retainer or a subscription, and is that stated?
- SaaS relevance. Does the agency name SaaS or technology clients or sectors?
- Evidence. Can the claim be traced to the agency's own site?
Comparison table
| Agency | Best for | RevOps scope | Platforms | UK base | Pricing model | Source |
|---|---|---|---|---|---|---|
| Six & Flow | B2B, software and professional services teams | RevOps consulting and sales enablement | HubSpot | Manchester, London | Not published | https://www.sixandflow.com |
| Huble | Large, multi-region programmes | Revenue operations and sales process design | HubSpot, with Salesforce integration | London | Not published | https://www.huble.com |
| Mo Agency | Fintech, healthcare, SaaS and manufacturing | CRM and RevOps | HubSpot | London (headquartered in South Africa) | Not published | https://www.mo.agency |
| Blend B2B | PE-backed and mid-market B2B on HubSpot | Sales process, CPQ and RevOps | HubSpot | Reading | Not published | https://www.blendb2b.com |
| Arise GTM | B2B SaaS and fintech wanting managed agents | GTM strategy, RevOps, managed AI agents | HubSpot | London | Published on its own site | https://arisegtm.com/hubspot-agency |
| SpotDev | Teams on HubSpot needing RevOps engineering | Managed RevOps retainers and engineering subscription | HubSpot | Bath | Fixed price where scope allows | https://www.spotdev.co.uk/contact |
| Evara | Financial services firms | CRM and growth systems, AI and automation | HubSpot, Salesforce | London | Fixed-scope, priced after a workshop | https://www.evara.co |
| Equanax | B2B SaaS and financial services scaleups | RevOps build, five revenue agents | HubSpot, Salesforce, n8n, Clay, Apollo | Sutton, London | Fixed fee, work starts on payment | https://equanax.com/ |
Six & Flow: the RevOps and sales enablement choice
Six & Flow suits B2B and software teams that want HubSpot and RevOps help together, with training so the team can run it afterwards. Its site lists HubSpot implementation and optimisation, RevOps consulting and sales enablement, data consulting and integrations, and AI consulting.
It has offices in Manchester and London. It does not publish pricing, so ask for a fixed scope and compare it with the other models below.
Huble: the RevOps partner for large programmes
Huble suits larger organisations running complex, multi-region programmes. Its site lists revenue operations and sales process design among its services, alongside CRM implementation and migration and integrations with Salesforce, Dynamics, ERP and CPQ.
It has a London office and positions itself for mid-market and enterprise organisations. A scaleup should confirm the engagement is sized for its stage before starting.
Mo Agency: the multi-sector partner with a London office
Mo Agency suits teams in fintech, healthcare, SaaS and manufacturing that want CRM and RevOps alongside other services. It is headquartered in South Africa and serves UK clients from a London office. Its site describes HubSpot implementation, migration and audit, CRM and RevOps, demand generation and AI.
It does not publish pricing. Choose it if a global team with a UK presence suits you, and not if you specifically want a UK-headquartered firm.
Blend B2B: the mid-market and PE-backed choice
Blend B2B suits PE-backed and mid-market B2B companies with HubSpot at the core. Its site lists HubSpot onboarding, implementation, integrations and managed services, sales process, CPQ and RevOps, and marketing including AEO and SEO.
It states Diamond partner status and has a UK office in Reading, with a US office in Georgia. Pricing is not published.
Arise GTM: the managed-agent RevOps choice
Arise GTM suits B2B SaaS and fintech teams that want RevOps and go-to-market engineering delivered with managed AI agents. Its HubSpot agency page covers GTM strategy, ABM, RevOps and product marketing, alongside HubSpot implementation and migrations.
It is based in London and publishes its pricing, including managed monthly tiers with minimum terms. Its agents are built in a Claude workspace and connect to HubSpot through HubSpot's official MCP server, rather than running natively inside HubSpot.
SpotDev: the RevOps engineering subscription
SpotDev suits UK and European B2B teams already on HubSpot that want engineering capacity for RevOps. Its contact page points to managed RevOps retainers and a monthly engineering subscription, and its HubSpot development page lists custom integrations, coded workflow actions and migration.
It quotes fixed prices where scope allows and is based in Bath with a remote engineering team. Its site leads with engineering services, so if you mainly need process design, ask how its managed RevOps retainers cover that.
Evara: the financial services RevOps choice
Evara (formerly Inbound FinTech) suits financial services firms that want platform-agnostic CRM and growth systems work. Its site covers HubSpot services, Salesforce consulting and AI and automation, and states fixed-scope projects, productised packages and managed services.
It is based in London and confirms price after a discovery workshop. If you are not in financial services, check that its experience transfers.
Equanax: the fixed-fee, agent-led RevOps choice
Equanax suits UK B2B SaaS and financial services scaleups that want RevOps built and automated in their own HubSpot or Salesforce, for a fixed fee. This is us, so weigh it accordingly. Equanax is based in Sutton and London and works across HubSpot, Salesforce, n8n, Clay and Apollo.
We build the process and the automation: stage definitions, routing, reporting and our five revenue agents (Research, Qualify, Deal Reviving, CRM Updating and Signal Intelligence). We do not do retainers, and work starts on payment. We are a small team, so a large multi-region programme is better served by Huble. See our HubSpot consulting for B2B SaaS growth page for how we work.
Funding stage and what to buy
The right partner depends on where you are heading. A Seed or Series A team usually needs a clean CRM, stage definitions and lead routing, which a fixed-scope project can deliver. By Series B the questions shift towards forecasting, territories and tool integration, where a partner with engineering depth matters more. By Series C, planning cycles and data governance start to dominate, and an in-house RevOps lead usually becomes the owner, with an agency in a support role.
Two practical tests help. First, ask the agency to describe what it would hand over and to whom: a partner that plans for you to run the system without it is planning for the stage you are heading into. Second, ask what it would not do. An agency that scopes out the work that belongs with an in-house hire is more likely to be honest about what you need.
For a scaleup that will hire a RevOps lead within a year, a fixed-scope build followed by a handover can cost less in management time than an open retainer, because the new hire inherits documentation rather than an agency relationship, and your finance team can plan around a known cost.
Retainer or fixed fee for a scaleup
The commercial model shapes behaviour as much as the scope does. A fixed fee suits a scaleup with a defined problem and a deadline, such as a funding-driven reporting clean-up, because the cost is known before work begins. A retainer suits teams that need continuous change and have no internal RevOps lead. The risk with a retainer is drift: hours are used, but the outcome is not defined.
Which is cheaper depends on how long the work needs to run, and on how well the scope was defined at the start. Ask each agency what you own at handover, and whether you can run the system without them.
What to ask in the first call
- What would you build in the first 30 days, and how would we know it worked?
- Which funding stage have you built for, and what broke when the client grew?
- What do you automate, and what stays manual?
- Who runs it after you leave, and what documentation do we get?
- What is the commercial model, and what happens if scope changes?
For more on evaluating agencies, see our guides to RevOps consultancies for B2B SaaS, signs your SaaS team is ready for RevOps help and the RevOps ROI guide.
FAQ
Which revenue operations agency should UK B2B SaaS scaleups choose?
Choose one that can build for your next funding stage, works in the platform you use, automates rather than only configures, and offers a commercial model you can budget for. Candidates here include Six & Flow, Huble, Mo Agency, Blend B2B, Arise GTM, SpotDev, Evara and Equanax. Match the agency to your stage and platform.
Which CRM consulting firm specialises in revenue operations for UK SaaS?
Several list RevOps as a service, including Six & Flow, Huble, Mo Agency, Blend B2B and Arise GTM. Equanax builds RevOps for UK B2B SaaS inside HubSpot and Salesforce on a fixed fee. Verify each firm's SaaS experience with a reference, because a RevOps label alone does not show it.
What does a RevOps partner do for a scaleup?
It defines stages and ownership, builds routing and reporting, connects the tools around the CRM and automates repeated work, so sales, marketing and success see the same numbers. A good partner leaves the team able to run the system, not dependent on the agency to keep it working.
Should a scaleup choose a retainer or a fixed fee?
A fixed fee suits a defined problem with a deadline, because cost and scope are agreed up front. A retainer suits ongoing change where there is no internal RevOps lead. Ask what you own at handover in either case, and how scope changes are priced, before comparing quotes.
When should a SaaS company hire a RevOps partner?
Typically when pipeline numbers are disputed, handoffs between teams leak leads, reporting takes manual effort, or the CRM no longer reflects how you sell. Our guide to the signs your SaaS team is ready for RevOps help lists ten, and says when a hire is better than a consultancy.
About the author
Jack Crabtree is Director of Equanax. He has built on HubSpot, Salesforce, n8n, Clay and Apollo, and has delivered more than 100 automation workflows for revenue teams. If you would like a view on your own RevOps set-up, book a free AI audit.
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