B2B marketing agencies exist because most in-house teams hit the same ceiling: too many channels to run properly, too little time to build a repeatable pipeline engine, and not enough specialist depth to cover everything from positioning to paid media to conversion. If you’re trying to grow in a competitive category, “doing a bit of marketing” isn’t the job — building demand and supporting revenue is.

This guide is for UK-based B2B founders, marketing leads, and growth teams who are in one of three situations: you’re hiring your first external partner, you’re switching agencies after slow delivery or unclear ROI, or you’re trying to make marketing carry more weight in the funnel (more qualified leads, more sales-ready opportunities, better conversion rates). It’s also relevant if you’re selling B2B SaaS, professional services, or a high-consideration product where trust, proof, and sales alignment matter as much as traffic.

We put this list together because “best B2B marketing agencies” searches usually return the same problem: long directories that tell you nothing about fit. You’re not here to read a stack of vague descriptions — you’re here to shortlist 2–3 agencies and go into those first calls with a clear view of what each one is likely to be good at, what to watch out for, and what success should look like.

Each agency included is assessed on signals a buyer can sanity-check: search visibility and brand presence, clarity of offer, public proof (case studies, client feedback, or credible examples of B2B delivery), and whether they appear to specialise in the kind of work B2B companies actually need (demand gen, ABM, brand-to-demand, HubSpot/RevOps, PR/AR, partner marketing). The aim is simple: help you avoid the wrong fit, reduce your research time, and choose a partner based on how they work — not how well they write about themselves.

“For this guide, I’ve tried to write it the way I’d want it if I were the one spending budget: clear signals of credibility, a sense of who each agency is realistically suited for, and the kind of details that help you shortlist fast and ask better questions on the first call.”
— Chris Ramos, Munro Agency

How we built this shortlist

This list is designed to help you shortlist B2B marketing agencies quickly and make sharper first-call decisions. We prioritised buyer-relevant signals: whether an agency can support pipeline (not just “brand”), whether their specialism matches your GTM motion, and whether their credibility is easy to validate.

  • Inclusion baseline: We only considered agencies that clearly position themselves around B2B marketing (or a defined B2B lane like ABM, HubSpot/RevOps, PR/AR, partner marketing), with an identifiable team and operating presence.

  • Evidence of delivery: We looked for proof you can check without guesswork—case studies, named outcomes, recognised partner statuses, credible client signals, and consistent public indicators that they actively deliver the work they claim.

  • Capability depth: We assessed whether the agency appears able to run a programme end-to-end (strategy → execution → measurement → iteration), rather than offering a narrow “we’ll manage X channel” service with limited accountability.

  • Best-fit clarity: We prioritised agencies with a clear lane—by market segment, channel strength, or delivery model—so you can self-select fast based on your stage (startup, scale-up, enterprise) and motion (inbound, outbound, ABM, partner-led).

  • Decision-first structure: We formatted entries to support buying decisions: who they suit, what they typically deliver, how they’re different, what to ask on the first call, and the situations where they’re likely the wrong fit.

1. Munro Agency

The Munro Agency is a UK B2B marketing and lead generation agency with bases in Glasgow and London, positioned around practical demand generation — typically combining SEO, paid media, and automation so marketing drives measurable enquiries rather than “awareness activity.”

Office Location: Glasgow

Year Founded: 2016

Team Size: 11-50 employees

Key Services: B2B Marketing Services, Growth Marketing Framework, Search Engine Optimisation, Content Marketing, Performance Branding, Social Ads, CRO, Fractional CMO, SEM

Industries Served: SaaS, Professional Services, HR Tech, Fintech, B2B, AI

Case Studies: View all case studies

Best for

Munro is a strong shortlist option if you need an agency to build or scale demand generation through search + paid, especially when your funnel relies on high-intent discovery (SEO/PPC) and you need better conversion from “interested” to “sales-ready.”

What they typically deliver

  • SEO strategy and content execution tied to commercial keywords

  • PPC account builds and ongoing optimisation

  • Conversion-focused landing pages / website improvements

  • Lead capture + nurture using marketing automation (where relevant)

Structural difference

Their advantage is connecting traffic → conversion → lead handling as one system:

  • SEO and paid activity supported by conversion work (pages, forms, offers)

  • Automation used to qualify and progress leads, not just send newsletters

Commercial context

Best suited to teams willing to fix the full pipeline chain (tracking, offers, landing pages, lead follow-up). If you only want “more clicks” without changing the site or lead process, results tend to plateau.

Ask them this

  1. “What do you need from Sales/CRM to make this work — and what does ‘good’ lead handling look like in your model?”

  2. “What are the first 30–45 days: audit, tracking fixes, quick wins, and a prioritised plan — or straight into execution?”

  3. “How do you report performance: pipeline contribution, conversion rates, and lead quality — not just traffic?”

Who should shortlist (and who shouldn’t)

Shortlist Munro if:

  • You want one partner to run SEO + PPC + conversion together

  • You need demand generation tied to measurable outcomes (leads, bookings, qualified enquiries)

Probably not the best fit if:

  • You need pure-play PR/analyst relations, or a brand-only studio

  • You want a high-volume creative production house without performance accountability

Useful internal links

Proof and credibility links

2. Blend

Blend is a UK-based B2B agency best known for HubSpot websites and HubSpot platform delivery — meaning they’re typically brought in when the website, CRM, onboarding, and demand engine need to work as one system (not as separate “web” and “marketing” projects).

Office Location: Reading

Year Founded: 2010

Team Size: 11-50 employees

Key Services: Inbound Marketing, United Kingdom Branding, SEO Agency, Content Marketing Efforts, Social Media Marketing, Marketing Automation

Industries Served: Financial Services, Tech

Case Studies: View all case studies

Best for

Blend is a strong shortlist option if HubSpot is central to your GTM and you need a partner that can deliver a high-performing website and the supporting CRM/automation foundation — especially when the real problem is handoffs (web team vs CRM admin vs marketing ops vs demand gen).

What they typically deliver

  • HubSpot website builds or migrations designed for speed, conversion, and in-house editability

  • HubSpot onboarding / CRM implementation (data, workflows, lifecycle setup)

  • Technical integrations and platform configuration

  • Website + funnel improvements that connect content, forms, routing, and reporting

Structural difference

Blend’s edge is that they’re not just a “design and build” shop:

  • They treat the website as part of the HubSpot system (data, lifecycle, lead capture, routing)

  • Their delivery leans technical + operational, which matters when HubSpot is messy or underused

Commercial context

Best suited to teams that want HubSpot to become the centre of marketing + sales operations. If your internal team can’t commit time to data hygiene, lifecycle definitions, and follow-up discipline, you’ll limit the upside of a HubSpot-first partner.

Ask them this

  1. “When you build a HubSpot website, what’s included beyond design/dev — tracking, reporting, routing, lifecycle stages, and conversion path mapping?”

  2. “Who owns CRM architecture and data clean-up in the scope — and what do you need from us?”

  3. “What does ‘success’ look like in the first 60–90 days: deliverables, metrics, and what changes week to week?”

Who should shortlist (and who shouldn’t)

Shortlist Blend if:

  • You’re on HubSpot (or migrating) and want the website + CRM + onboarding handled together

  • You need a partner who can reduce fragmentation between web, marketing ops, and demand execution

Probably not the best fit if:

  • You’re not using HubSpot and don’t plan to

  • You only want a narrow channel retainer (e.g., “just run ads”) without platform/website involvement

Useful internal links

Proof and credibility links

3. Iris Worldwide

Iris Worldwide is a global integrated marketing agency with its London office as the global HQ, built to deliver across brand, creative, PR, social, and performance. In practice, Iris is usually hired when the brief isn’t “run a channel” — it’s to build campaigns and comms that can travel across markets, teams, and touchpoints without falling apart in execution.

Office Location: London

Year Founded: 1999

Team Size: 501-1,000 employees

Key Services: B2B Content Marketing Agency, B2B Lead Generation, Influencer Marketing, Performance Marketing, Social Media Marketing, Advertising Agency, Marketing Technology

Industries Served: B2B, Retail, Sports

Case Studies: View all case studies

Best for

Iris is a strong shortlist option if you’re a larger B2B (or B2B2C) organisation that needs integrated campaign thinking — especially when the challenge is aligning brand, creative, paid, social, PR, and experience into one coherent programme.

What they typically deliver

  • Integrated campaign concepts that can run across channels and markets

  • Creative production (from big campaign assets down to channel cut-downs)

  • Performance marketing support to distribute and optimise

  • PR/partnership and social/influencer layers to extend reach and credibility

Structural difference

Iris’ advantage is breadth with a central HQ and a global network:

  • You can run creative + distribution as one programme rather than splitting between multiple specialist vendors

  • They’re built for multi-stakeholder work where alignment and orchestration matter as much as the idea

Commercial context

This is typically a better fit when you have real scope (campaign platforms, multi-channel rollouts, multi-market execution). If you’re looking for a lean, purely performance-led partner to squeeze incremental CPL improvements, you may find a smaller specialist team more efficient.

Ask them this

  1. “What does success look like for you on a B2B engagement — and how do you measure it beyond awareness metrics?”

  2. “Who owns performance optimisation day-to-day: in-house specialists or a shared integrated team?”

  3. “What’s your process for keeping message discipline when a campaign is cut into paid, social, PR, and sales assets?”

Who should shortlist (and who shouldn’t)

Shortlist Iris if:

  • You need integrated campaigns that connect creative + media + PR/social

  • You have multiple stakeholders/markets and need a structured delivery model

Probably not the best fit if:

  • You want a small senior-only boutique with minimal layers

  • You only need one narrow channel (e.g., “SEO only” or “paid search only”)

Useful internal links

Proof and credibility links

4. Fabrik Brands

Fabrik Brands homepage

Fabrik Brands is a London branding agency built around the work most B2B teams postpone until they’re forced to deal with it: positioning, naming, and brand identity. They’re typically hired when the real issue isn’t “we need more campaigns” — it’s that the business doesn’t have a sharp story, consistent messaging, or a brand system that helps sales and marketing land in the same place.

Office Location: London

Year Founded: 1995

Team Size: 2-10 employees

Key Services: B2B Branding, Naming, Digital Marketing Strategy, Digital Campaigns,

Industries Served: Retail, Technology, Gaming

Case Studies: View all case studies

Best for

Fabrik is a strong shortlist option if you’re a B2B company that needs clearer positioning and messaging before you scale demand generation — for example: a rebrand, a new product line, a category shift, a merger, or a sales team that’s telling five different versions of the story.

What they typically deliver

  • Positioning and messaging foundations you can use across site, decks, and sales collateral

  • Naming (company, product, sub-brand) and brand architecture

  • Visual identity systems that translate into real-world rollout (site, templates, campaigns)

Structural difference

Fabrik’s advantage is specialism and focus:

  • They’re built around strategy + naming + branding as core disciplines, rather than bundling brand into a wider “full service marketing” offer

  • Their work is most valuable upstream: making everything downstream (paid, content, sales enablement) easier to execute consistently

Commercial context

Best suited to teams that will actually roll the work out (website, sales materials, onboarding, pitch decks, campaign messaging). If you only want a new logo without implementing the story across the funnel, a brand project won’t deliver much commercial lift.

Ask them this

  1. “What do you deliver at the end of strategy — a positioning statement, message hierarchy, proof points, and category framing we can use in sales?”

  2. “How do you handle naming and brand architecture when multiple products/audiences sit under one umbrella?”

  3. “What does rollout support look like — templates, website guidance, sales deck system, and governance?”

Who should shortlist (and who shouldn’t)

Shortlist Fabrik Brands if:

  • You need to fix positioning clarity before spending more on channels

  • You’re doing a rebrand/reposition and want specialist naming + identity support

Probably not the best fit if:

  • You’re looking for a demand-gen agency to run SEO/PPC and report pipeline

  • You only need short-term campaign creative without foundational brand work

Useful internal links

Proof and credibility links

5. Velocity Partners

Velocity Partners is a London-based B2B marketing agency known for strategy-led creative and content that’s built to hold up under scrutiny — the kind of work that helps technical companies explain what they do, why it matters, and why anyone should pick them. They’re typically brought in when the issue isn’t “we need more assets”, it’s that messaging, creative and demand activity aren’t landing with real buyers.

Office Location: London

Year Founded: 2000

Team Size: 51-200 employees

Key Services: B2B Content Marketing Agency, Search Engine Optimisation, B2B Web Design Agency, Social Media Advertising, Marketing Automation, Creative Agency

Industries Served: B2B, Tech

Case Studies: View all case studies

Best for

Velocity is a strong shortlist option if you sell something complex and you need marketing that does two jobs at once: make the story clearer (positioning, narrative, proof) and make demand activity more effective (campaigns people actually engage with, not generic “thought leadership”).

What they typically deliver

  • Positioning and messaging work that becomes the spine of campaigns

  • Creative-led B2B campaigns and content programmes

  • Sales enablement assets that match how deals are won (not just “pretty PDFs”)

  • Integrated support where performance distribution needs better creative inputs

Structural difference

Velocity’s edge is that they treat “content” as a commercial tool, not output:

  • They focus on message clarity + buyer relevance before volume

  • Their creative is designed to earn attention in categories where everyone sounds the same

Commercial context

This is usually a better fit when you’re prepared to invest in the thinking and craft — and when you’ll actually deploy it across the funnel (site, sales decks, nurture, paid distribution). If you’re mainly looking for a low-cost production partner to ship weekly blogs, you’ll get more value elsewhere.

Ask them this

  1. “What’s your process for getting to messaging that Sales will actually use — and how do you validate it with real buyers?”

  2. “How do you connect creative work to performance outcomes without turning everything into generic direct response?”

  3. “What does a typical engagement include: strategy, creative, content, distribution, and measurement — and who owns what?”

Who should shortlist (and who shouldn’t)

Shortlist Velocity Partners if:

  • You need sharper positioning and creative that makes demand gen work harder

  • You’re marketing a complex B2B product and “explaining it simply” is the bottleneck

  • Your category is noisy and you need differentiation beyond feature lists

Probably not the best fit if:

  • You want a narrow channel operator (e.g., “just run Google Ads”)

  • You primarily need high-volume content production at the lowest possible cost

Useful internal links

Proof and credibility links

6. Digital Litmus

Digital Litmus is a London-based B2B growth and HubSpot-focused agency. They’re typically hired when the job isn’t “run some campaigns” — it’s to tighten up the full system: demand generation, CRM/RevOps, website performance, and reporting so marketing and sales can work off the same numbers.

Office Location: London

Year Founded: 2015

Team Size: 11-50 employees

Key Services: Business Strategy, HubSpot Implementation, Content Strategy, Inbound Marketing, Graphic Design, B2B Design, Sales Enablement Services

Industries Served: Hospitality, Software

Case Studies: View all case studies

Best for

Digital Litmus is a strong shortlist option if you’re serious about making HubSpot and RevOps part of your growth engine — especially when lead handoff, lifecycle stages, attribution, and reporting are currently messy or inconsistent.

What they typically deliver

  • HubSpot onboarding / CRM setup (lifecycle, workflows, automation, reporting)

  • Demand gen campaigns (paid + inbound) tied to pipeline outcomes

  • Website improvements focused on conversion, not just design

  • Ongoing optimisation and reporting that connects activity to commercial results

Structural difference

Their advantage is the blend of marketing execution + systems thinking:

  • They can work on the CRM and the campaigns together, which reduces “marketing vs ops” gaps

  • They push toward measurable improvement in funnel mechanics (capture, qualification, routing, nurture)

Commercial context

Best suited to teams willing to treat tracking, CRM hygiene, and follow-up as part of the scope. If Sales won’t engage with agreed lifecycle definitions or lead handling, you’ll get less value from a RevOps-led partner.

Ask them this

  1. “What does a typical month include across HubSpot, campaigns, and reporting — and who owns what day-to-day?”

  2. “How do you define lifecycle stages and lead qualification so Sales trusts the data?”

  3. “What’s your approach to attribution and pipeline reporting inside HubSpot — what do you recommend we measure first?”

Who should shortlist (and who shouldn’t)

Shortlist Digital Litmus if:

  • HubSpot is central (or will be) and you want RevOps + demand gen aligned

  • Your bottleneck is operational (routing, reporting, automation, lifecycle), not just volume

Probably not the best fit if:

  • You want brand-only creative with minimal performance accountability

  • You only need a narrow channel operator with no CRM/ops involvement

Useful internal links

Proof and credibility links

7. Gravity Global

Gravity Global is a global brand-to-demand B2B marketing consultancy with a London office, built for organisations selling into complex markets (multiple stakeholders, long buying cycles, high-consideration deals). They’re typically brought in when you need an integrated programme that connects brand, campaign, digital experience, and performance — not a single-channel retainer.

Office Location: London

Year Founded: 2009

Team Size: 501-1,000 employees

Key Services: Digital Strategy, Paid Search, Content Generation, Creative Production, Public Relations, Search Engine Optimisation, Performance Marketing Agency, Social Marketing

Industries Served: Aerospace, Financial Services

Case Studies: View all case studies

Best for

Gravity Global is a strong shortlist option if you’re a mid-market or enterprise B2B brand that needs joined-up marketing across regions and channels — especially when the growth problem sits across the funnel (brand preference + demand capture + conversion), not just at the top.

What they typically deliver

  • Brand-to-demand strategy that ties messaging, proof, and channel plans together

  • Integrated campaigns built for long buying cycles (multiple assets, stakeholder narratives, nurture paths)

  • Digital experience work that supports conversion (not just “a redesign”)

  • Media/performance programmes with measurement that’s designed for complex journeys

Structural difference

Gravity’s advantage is operating as an integrated consultancy for B2B:

  • Built to connect brand signals (what you’re known for) with demand outcomes (pipeline, qualified opportunities)

  • Suitable when you need governance, consistency, and scale across markets — not ad-hoc campaign bursts

Commercial context

Best suited to companies that can support a more structured engagement: clear priorities, stakeholder alignment, and access to performance data. If you’re looking for a small senior-only team to move fast on a narrow execution scope, a specialist boutique may be a better value.

Ask them this

  1. “How do you define and measure ‘brand-to-demand’ in practice — what are the funnel metrics you’ll own?”

  2. “How do you keep message discipline when campaigns are rolling out across regions, channels, and sales teams?”

  3. “What does a typical engagement look like: strategy vs execution, and who is hands-on day to day?”

Who should shortlist (and who shouldn’t)

Shortlist Gravity Global if:

  • You need integrated brand + demand delivery across multiple channels/markets

  • Your buying cycle is complex and you want a partner that can run a multi-stakeholder programme

Probably not the best fit if:

  • You only need one channel (e.g., “SEO only” or “Google Ads only”)

  • You need a lightweight team for quick-turn production with minimal governance

Useful internal links

Proof and credibility links

8. CCGroup

CCGroup is a London-based B2B technology PR-led marketing agency. They’re typically hired when the growth problem is credibility and influence as much as lead volume — especially in tech categories where analyst relations, earned media, and category narrative can change how buyers shortlist you.

Office Location: London

Year Founded: 1984

Team Size: 11-50 employees

Key Services: B2B Marketing Services, Community Management, Social Media Management, Digital Marketing Agency, Business Development, B2B Brands, Digital Marketing Campaigns

Industries Served: Fintech, Cybersecurity, Tech

Case Studies: View all case studies

Best for

CCGroup is a strong shortlist option if you’re a B2B tech company that needs to build authority fast — with press, analysts, and influential voices — and you want that work connected to commercial outcomes (pipeline support, category trust, investor narrative), not just “coverage”.

What they typically deliver

  • PR strategy built around a clear narrative and proof points

  • Analyst relations programmes (briefings, positioning, message discipline, ongoing engagement)

  • Thought leadership content designed for credibility (not content-for-content’s sake)

  • Integrated comms support across social, campaigns, and brand moments (launches, funding, category pushes)

Structural difference

CCGroup’s advantage is the PR + analyst relations spine:

  • They can help shape what the market believes about you (category framing, credibility, influence)

  • AR capability is a different discipline to demand gen — useful when Gartner/Forrester conversations and analyst narratives affect deal momentum

Commercial context

This is typically most valuable when you’re selling a complex product and deals are influenced by reputation, trust, and third-party validation. If your only goal is lowest-cost CPL from paid channels, a performance-only specialist may be a tighter fit.

Ask them this

  1. “How do you connect PR and analyst relations work to pipeline — what metrics do you track beyond coverage?”

  2. “Do you have an in-house analyst relations team, and what does a quarterly AR plan look like?”

  3. “What do you need from us to build proof quickly — customer stories, data, spokespeople, access to product SMEs?”

Who should shortlist (and who shouldn’t)

Shortlist CCGroup if:

  • You need to build category authority (press + analysts + credibility) in B2B tech

  • You’re launching, entering a new market, fundraising, or trying to shift perception

  • Your sales cycle is influence-heavy and trust-driven

Probably not the best fit if:

  • You need a pure performance shop focused mainly on SEO/PPC execution

  • You want a high-volume content factory without comms strategy and message discipline

Useful internal links

Proof and credibility links

9. The Croc

The Croc is a London-based B2B “brand-to-demand” agency. They sit in the middle ground between brand and performance — meaning they’re typically hired when you need the story, creative, media, and measurement working together (not split across three separate suppliers).

Office Location: London

Year Founded: 1990

Team Size: 51-250 employees

Key Services: Brand Research, Brand Strategy, Brand Identity, Campaign Strategy & Idea, Campaign Production, Paid Media, Events, Content Production, Sales Enablement, Creator & Influencer Marketing

Industries Served: Automotive, Fintech, Life Sciences/Pharma, Retail, Telecommunications, Financial Services, IT & Technology, Professional Services, SaaS, Travel & Hospitality

Case Studies: View all case studies

Best for

Digital Radish is a strong shortlist option if you’re selling a higher-consideration B2B product and need ABM with creative weight — especially when targeting is easy but attention and differentiation are the real bottlenecks.

What they typically deliver

  • ABM programmes built around target account lists and buying-group messaging

  • Creative campaign concepts that can run across paid, content, and sales plays

  • Brand and narrative work that improves recall and preference (not just awareness)

  • Campaign assets and personalisation systems designed for specific verticals/accounts

Structural difference

Their advantage is the combination of ABM discipline + brand thinking:

  • They’re built for situations where “more activity” isn’t the answer — you need a clearer point of view and campaigns that feel like they were made for the audience you’re targeting.

  • Strong fit when you want ABM that doesn’t look like templated LinkedIn creative.

Commercial context

Best suited to teams that can support proper ABM inputs: a real target account strategy, sales alignment, and the ability to follow up with intent. If Sales can’t engage (or won’t work a defined account list), ABM delivery won’t land.

Ask them this

  1. “How do you build ABM programmes around buying groups — and how do you map messaging by role and stage?”

  2. “What does a typical ABM engagement include beyond ads: content, landing experiences, sales plays, measurement?”

  3. “How do you define success: engagement quality, pipeline influence, and account movement — not just impressions and clicks?”

Who should shortlist (and who shouldn’t)

Shortlist Digital Radish if:

  • You need ABM + creative that actually earns attention with specific accounts

  • Your category is noisy and your current marketing blends in

  • You’re entering a new segment/region and need a tighter story + targeted activation

Probably not the best fit if:

  • You want a low-cost, high-volume production partner

  • You only need “channel management” without strategy, messaging, or sales alignment

Useful internal links

Proof and credibility links

10. Digital Radish

Digital Radish (now branded as Radish) is a UK B2B brand + ABM agency built for companies that need to stand out in crowded tech categories — not just run another set of ads. They’re typically hired when the growth challenge is a mix of account focus + message cut-through: you need sharper positioning, stronger creative, and campaigns designed around specific buying committees.

Office Location: London

Year Founded: 2013

Team Size: 11-50 employees

Key Services: Account-Based Marketing, Creative Design, Full-Service Digital Marketing Agency, Video Production, Content Marketing Efforts, United Kingdom Branding, Influencer Marketing

Industries Served: Legal, Travel

Case Studies: View all case studies

Best for

Digital Radish is a strong shortlist option if you’re selling a higher-consideration B2B product and need ABM with creative weight — especially when targeting is easy but attention and differentiation are the real bottlenecks.

What they typically deliver

  • ABM programmes built around target account lists and buying-group messaging

  • Creative campaign concepts that can run across paid, content, and sales plays

  • Brand and narrative work that improves recall and preference (not just awareness)

  • Campaign assets and personalisation systems designed for specific verticals/accounts

Structural difference

Their advantage is the combination of ABM discipline + brand thinking:

  • They’re built for situations where “more activity” isn’t the answer — you need a clearer point of view and campaigns that feel like they were made for the audience you’re targeting.

  • Strong fit when you want ABM that doesn’t look like templated LinkedIn creative.

Commercial context

Best suited to teams that can support proper ABM inputs: a real target account strategy, sales alignment, and the ability to follow up with intent. If Sales can’t engage (or won’t work a defined account list), ABM delivery won’t land.

Ask them this

  1. “How do you build ABM programmes around buying groups — and how do you map messaging by role and stage?”

  2. “What does a typical ABM engagement include beyond ads: content, landing experiences, sales plays, measurement?”

  3. “How do you define success: engagement quality, pipeline influence, and account movement — not just impressions and clicks?”

Who should shortlist (and who shouldn’t)

Shortlist Digital Radish if:

  • You need ABM + creative that actually earns attention with specific accounts

  • Your category is noisy and your current marketing blends in

  • You’re entering a new segment/region and need a tighter story + targeted activation

Probably not the best fit if:

  • You want a low-cost, high-volume production partner

  • You only need “channel management” without strategy, messaging, or sales alignment

Useful internal links

Proof and credibility links

11. Purechannels

Purechannels is a UK B2B agency built specifically for partner and channel marketing — the kind of work most “demand gen” agencies don’t really understand. They’re typically brought in when growth depends on resellers, distributors, SIs, MSPs, alliances, or a two-tier channel, and you need a partner programme that actually drives revenue rather than just producing partner comms.

Office Location: East Sussex

Year Founded: 2005

Team Size: 11– 50 employees

Key Services: Content & Campaigns, Lead & Demand Generation, Portals & PRMs, Creative

Industries Served: B2B Technology, IT, Software Services

Case Studies: View all case studies

Best for

Purechannels is a strong shortlist option if your growth motion is partner-led and you need to improve partner engagement, activation, and co-selling outcomes — especially when your current partner marketing is stuck at newsletters, sporadic MDF, and inconsistent enablement.

What they typically deliver

  • Partner GTM planning (partner tiers, motions, campaigns, comms cadence)

  • Partner enablement assets (kits, playbooks, co-marketing packs, sales tools)

  • MDF programmes and campaign-in-a-box execution for partner adoption

  • Partner comms and onboarding journeys that drive activation, not noise

Structural difference

Their advantage is specialism in channel mechanics:

  • They’re designed around indirect revenue realities: partner motivation, enablement, and repeatable co-marketing

  • They understand the operational layer (portals/PRMs, onboarding, incentives, comms rhythm) that generalist agencies often skip

Commercial context

Best suited to vendors that can commit to the operational inputs: partner segmentation, incentives, enablement priorities, and sales alignment on co-sell plays. If you don’t have a defined partner strategy (or you don’t know which partners actually drive revenue), start there or make it part of the first phase.

Ask them this

  1. “How do you measure partner marketing success — activation, influenced revenue, partner-sourced pipeline — and how do you track it?”

  2. “What does a typical partner campaign-in-a-box include (assets, messaging, enablement, MDF guidance, follow-up)?”

  3. “How do you segment partners and tailor comms so we’re not treating top-tier and long-tail the same?”

Who should shortlist (and who shouldn’t)

Shortlist Purechannels if:

  • You sell through partners and want marketing that supports partner-sourced and partner-influenced revenue

  • You need help operationalising partner programmes (enablement, onboarding, cadence, MDF)

Probably not the best fit if:

  • You’re fully direct-to-customer and don’t sell through partners

  • You mainly want SEO/PPC execution with no partner programme component

Useful internal links

Proof and credibility links

12. Publicis Pro

Publicis Pro is Publicis Groupe UK’s B2B centre of excellence — effectively the group’s dedicated B2B unit, built to run strategy, creative, influence and media as one programme. It grew out of Publicis Groupe’s acquisition of Octopus Group (2021) and was launched/rebranded as Publicis Pro as part of a wider push to scale B2B across EMEA.

Office Location: London

Year Founded: 2001

Team Size: 51-200 employees

Key Services: B2B Content Performance, Qualified Lead Increase, Social Media Management, Digital Services, Creative Campaigns, Strategic Planning

Industries Served: Financial Services, Travel

Case Studies: View all case studies

Best for

Publicis Pro is a strong shortlist option if you need enterprise-grade B2B marketing that connects strategy, creative, media and influence — especially when you’re coordinating multiple stakeholders, multiple markets, or brand + demand goals at the same time.

What they typically deliver

  • Integrated B2B strategy and campaign planning

  • Creative platforms and campaign execution across channels

  • Influence-led programmes (earned/owned ecosystems, thought leadership, advocacy)

  • Media planning and activation aligned to B2B buying journeys

Structural difference

Their edge is scale + specialist B2B capability inside a larger group:

  • A dedicated B2B unit, with the ability to pull in wider Publicis network specialists when needed

  • Designed for B2B work that needs governance, consistency and multi-channel delivery rather than isolated channel retainers

Commercial context

Best suited to organisations with clear priorities and internal sponsorship — integrated agencies deliver well when success measures are agreed early (pipeline influence, brand lift, conversion rates, win-rate support) and stakeholders can move at campaign pace.

Ask them this

  1. “What does your B2B measurement framework look like — how do you balance brand impact with pipeline outcomes?”

  2. “Who is hands-on day to day in the UK team, and what specialist resources come from the wider network?”

  3. “How do you keep message discipline across regions, channels, and sales teams once execution starts?”

Who should shortlist (and who shouldn’t)

Shortlist Publicis Pro if:

  • You need integrated B2B delivery across strategy + creative + media + influence

  • You’re running multi-market, multi-stakeholder programmes and want one lead partner

Probably not the best fit if:

  • You want a lean, narrow-scope specialist (e.g., only SEO or only paid search)

  • You need a small senior-only team moving fast on a tightly bounded performance brief

Useful internal links

Proof and credibility links

Shortlisting is easy. Picking the right fit is where most teams waste budget.

A “best agencies” list is only useful if it helps you make a decision quickly. The right partner depends on your motion (inbound, ABM, partner-led, enterprise brand-to-demand), your internal capacity, and what’s actually broken — message clarity, demand capture, conversion, lead handling, or measurement. Use the shortlist above to narrow to 2–3 options, then qualify hard on delivery: who does the work, what the first 30–60 days looks like, how reporting ties to pipeline, and what they need from your team to succeed.

If you’re looking for a UK B2B partner to build a measurable demand engine — combining SEO, paid, conversion, and lead nurture into one joined-up programme — Munro can help. We’ll tell you quickly whether we’re a fit, what we’d prioritise first, and what results are realistic based on your market and resources.

Frequently Asked Questions

What Are B2B Marketing Agencies?

B2B marketing agencies are specialised firms that help businesses market their products or services to other businesses. Unlike B2C agencies that target individual consumers, B2B marketing agencies focus on creating strategies that appeal to business decision-makers. These agencies often leverage a mix of lead generation, SEO, PPC, email marketing, and account-based marketing (ABM) to drive measurable results for their clients.

Why B2B Marketing Agencies Matter
B2B marketing agencies play a crucial role in simplifying complex buying cycles. Their expertise ensures that campaigns are tailored to address the unique challenges of business-to-business transactions, fostering stronger client relationships and higher ROI.

What Does a B2B Marketer Do?

The Role of a B2B Marketer
A B2B marketing agency is responsible for creating and executing strategies that connect businesses with their ideal clients. This involves identifying target audiences, crafting compelling content, running paid advertising campaigns, and nurturing leads through the sales funnel using marketing automation tools.

Key Responsibilities

  • Developing buyer personas and audience insights.
  • Executing campaigns across multiple channels such as LinkedIn, Google Ads, and email.
  • Tracking and analysing campaign performance to optimise strategies.
  • Ensuring alignment between marketing and sales teams.

Why Their Work Is Essential
B2B marketers build the bridge between businesses and their potential customers, streamlining the buyer’s journey and increasing conversions.

What Is the Rule of 7 in B2B Marketing?

The Rule of 7 is a marketing principle stating that a potential customer needs to hear or see your message at least seven times before they take action. In the context of B2B marketing, this rule ensures that your brand stays top-of-mind during longer sales cycles.

How It Works
Repetition across multiple channels—such as email, social media, and paid ads—reinforces your value proposition and builds trust with potential clients.

Why It’s Effective
In the B2B space, where decisions involve multiple stakeholders and high investments, consistent messaging establishes credibility and aids decision-making.

Do You Need a B2B Marketing Agency?

A B2B marketing agency is a valuable partner for businesses aiming to streamline their marketing efforts and drive growth. If your business faces challenges in lead generation, scaling, or achieving a solid ROI, investing in an agency could be the game-changer you need.

Take the first step toward measurable growth—explore how partnering with a B2B marketing agency can elevate your business.

Choosing a B2B Marketing Agency: Key Considerations

Selecting the right B2B marketing agency is critical for business growth. Focus on their expertise in your industry, proven track record, and ability to deliver measurable results.

  • Industry Expertise: Look for experience in your sector and proven B2B marketing success.
  • Track Record: Check case studies and measurable results like increased leads or ROI.
  • Tools and Technology: Ensure they use advanced platforms like CRM and automation tools.
  • Transparent Communication: Prioritise clear reporting and collaborative processes.
  • Budget Fit: Confirm their pricing aligns with your budget and offers value.
  • Cultural Alignment: Choose an agency whose values and working style match yours.
  • Red Flags: Avoid unrealistic promises or unclear deliverables.