Company lists · Data refreshed September 2026
Top 25 Martech stack audit consultants based in the United Kingdom
RevenueBase identified 529 martech stack audit consultants headquartered in the United Kingdom as of September 2026 and tracks 5,322 professional contacts across them, including 1,473 with verified work emails and 410 with mobile numbers. London is the largest hub.
This list covers martech stack audit consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 3, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest martech stack audit consultants based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 380 | ||||
“Merkle, a dentsu company, powers the experience economy.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 2 | 310 | ||||
“Welcome to Elixirr Digital, where innovative digital marketing, advanced data analytics, cutting-edge technology, and bespoke web design services converge to transform your…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 3 | 224 | ||||
“Edit are future-focused data and technology experts.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 4 | 211 | ||||
“Welcome to Go Inspire - Your Marketing Performance Partner!” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 5 | 103 | ||||
“Massive Rocket is a global consultancy specializing in customer engagement, data, and CRM for enterprise brands.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 6 | 82 | ||||
“Remarkable is an award winning agency that brings together deep expertise across multiple specialisms to solve complex brand experiences.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 7 | 76 | ||||
“At Tap CXM, we believe businesses do best when they focus on customer experience.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 8 | 64 | ||||
“Pioneering Smarter AI in Martech.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 9 | 57 | ||||
“Revere is now Marketbridge, the Go-to-Market® growth firm, delivering even more value across a wider spectrum of marketing and sales initiatives.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 10 | 48 | ||||
“We are Armadillo - A Bond Company, a multi-award winning CRM agency.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 11 | 45 | ||||
“Appius help clients improve digital marketing results by integrating marketing and technology to support business objectives.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 12 | 41 | ||||
“We elevate how your marketing operates.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 13 | 38 | ||||
“SaaS marketing strategy and execution team for B2B brands with limited in-house resources.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 14 | 35 | ||||
“ScaleWise helps ambitious B2B tech companies optimise their GTM strategy and secure the expertise needed to drive capital efficient growth.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 15 | 34 | ||||
“As a Salesforce registered partner, we specialise in implementing and supporting Salesforce CRM and B2B Marketing Automation services.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 16 | YOCIndirect evidence | 33 | |||
“Your Online Conversation Limited is an information technology and services company based out of the United Kingdom.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 17 | 33 | ||||
“Offernet is a data-driven, AI-powered “martech” company that helps digital marketers with the most cutting edge technology and insights to advertising more effectively.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 18 | 31 | ||||
“Cognifide is a WPP marketing technology consultancy that works with some of the world’s leading businesses to deliver exceptional customer experiences.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 19 | 30 | ||||
“We are an award-winning marketing agency helping ambitious businesses unlock growth by connecting data, technology, processes and campaigns into a single, effective marketing…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 20 | 29 | ||||
“With our expert consultants, we unlock the power of your data and transform your Marketing capabilities, building sustainable value in your organisation in a privacy respectful…” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 21 | 25 | ||||
“MarCloud is a leading marketing automation consultancy and Salesforce partner specialising in Pardot, Marketing Cloud and Salesforce CRM.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 22 | 24 | ||||
“We hate it when businesses can’t nd the answers they need to drive better marketing results.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 23 | 24 | ||||
“Comnexa is a Salesforce consulting partner.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 24 | 23 | ||||
“We're a consulting agency and think of ourselves as agents of change, driven by technology.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 | ||||
“Buyer behaviour is changing, which means sales & marketing as we know it needs to change.” Source: company website · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 529 martech stack audit consultants based in the United Kingdom
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Martech stack audit consultants based in the United Kingdom at a glance
As of Sep 3, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among martech stack audit consultants, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “martech stack audit consultants”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among martech stack audit consultants, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,473 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 3, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Martech stack audit consultants by metro
- Martech stack audit consultants in London217
Frequently asked
How many martech stack audit consultants are there based in the United Kingdom?
RevenueBase identified 529 martech stack audit consultants headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Merkle Emea, headquartered in Edinburgh, tops this list with the largest team on record.
Which city has the most martech stack audit consultants?
London leads with 217 headquartered companies, followed by Manchester (15) and Bristol (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,473 verified decision-maker contacts tracked across these 529 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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