Top ABM Agencies: Account-Based Marketing Compared
Account-based marketing agencies build and run campaigns aimed at a named list of target accounts — not a broad audience. This is the global shortlist: real ABM-specialist agencies from our directory, how to evaluate one, and where regional rules (like UK GDPR) change what “compliant ABM” looks like.
Why account-based marketing works
ITSMA (Momentum ITSMA) — the research firm that coined the term — finds 87% of B2B marketers say ABM outperforms their other marketing on ROI. That tracks with how B2B buyers actually behave: Gartner’s B2B buying research shows buyers spend only 17% of their journey with sales reps, across a buying group of six to ten stakeholders. Broad-audience marketing struggles to reach that many named people; ABM is built to.
Real ABM-specialist agencies
A sample from our directory of agencies tagged for account-based marketing. Different sizes, different regions, different sweet spots.
Atomic
Dublin
Specialist B2B Marketing and Employer Branding agency. Helps tech marketers create better buying experiences. Clients include Salesforce.
CBC (Cross-Border Communications)
Copenhagen
Specialist B2B branding and marketing agency since 1981. Takes businesses from complexity to clarity to commercial impact. Part of MAGNET Global network.
Green Hat
Melbourne/Sydney
Green Hat is a leading full-service B2B marketing consulting agency established in 2001, recognized as one of the largest of its kind in the APAC region. Operating from Melbourne, Sydney, and Singapore, they started 20+ years ago with a focus on IT, SaaS, and Telco sectors and have evolved to work with businesses across professional services, real estate, food services, and more. They bring experience across all three ABM models—from highly personalized 1:1 to scaled 1:Many targeting segments of 100s or 1000s. Green Hat has been a 6sense strategic agency partner since 2021 and is the only Teal-level partner in APAC. As BBN International's APAC representative, they benefit from being part of the largest B2B agency network worldwide. Notable clients include Telstra Enterprise, REA Group, Nestlé, Schneider Electric, NEXTDC, Mimecast, Korn Ferry, and DXC Technology.
Handlangers
Ghent
Founded 5 years ago, quickly became one of largest B2B agencies in Benelux. BBN Network partner specializing in IT and tech demand generation.
IDEALAB
Prague
Prague-based marketing agency specifically focused on B2B marketing targeting companies. Strategic approaches and digital solutions for B2B objectives.
IOMarketing
Madrid
Since 2009, 15-person team helping brands position and convert online. Provides go-to-market planning and ABM strategies with focus on marketing with common sense.
See every ABM-tagged agency, filterable by budget and region, at our full ABM directory.
How to evaluate an ABM agency
Account selection rigour
Data-driven ICP scoring, or a target list your sales team wrote from memory? The former compounds; the latter drifts.
Attribution model
Account-level pipeline influence beats last-click vanity metrics for a motion built around long, multi-threaded deals.
Tier discipline
A good agency resists putting every account in the expensive one-to-one tier just because you asked.
Data and tooling ownership
You should own the target list, tech stack, and data after any handover — get this in writing before you sign.
Related guides
UK-specific pricing, GDPR-compliant data practices, and a UK agency shortlist.
The full, filterable directory of ABM-specialist agencies.
How to build an account-based marketing strategy from scratch.
For volume-led pipeline rather than named-account depth.
Browse 200+ go-to-market agencies by specialism and country.
Which motion fits your deal size and market.
Frequently asked questions
What is account-based marketing?
Account-based marketing (ABM) is a B2B strategy that focuses resources on a defined set of target accounts rather than a broad audience. Sales and marketing align around named accounts, using personalised, multi-channel campaigns built around each account’s buying committee.
When should you use an ABM agency?
ABM works best when you have high-value deals ($50K+ or equivalent), long sales cycles, and a definable target account list with multiple stakeholders. Below that deal size, a demand generation agency usually gives better return on the same budget.
How do ABM agencies differ by region?
The core discipline — account selection, buying-committee mapping, multi-channel orchestration — is global. What changes is compliance: UK and EU agencies must build on GDPR-compliant, company-level data rather than the person-level intent tracking common in US ABM stacks. See our UK-specific guide for that detail.
What should I ask an ABM agency before hiring?
Ask how they select accounts (data-driven ICP scoring vs a list from memory), what attribution model they use (account-level pipeline influence vs last-click), whether they enforce tier discipline, and who owns the data and tech stack after any handover.
Top ABM agencies guide by GTM Quest. Updated July 2026.