Company lists · Data refreshed September 2026

Top 25 Enterprise communication consulting firms based in the United Kingdom

Name: Enterprise communication consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 767 companies tracked

RevenueBase identified 767 company matches for enterprise communication consulting firms associated with the United Kingdom as of September 2026 and tracks 4,225 professional contacts across them, including 1,407 with verified work emails. London is the largest hub.

This list covers company matches for enterprise communication consulting firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

767Companies

4,225Contacts tracked

1,407Verified emails

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The 25 largest enterprise communication consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 767 company matches for enterprise communication consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Cartesian	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	302 contacts →
	Exact match “Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Radley Yeldar	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	198 contacts →
	Exact match “Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Havas People	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	170 contacts →
	Exact match “At Havas People we shape meaningful brands for the changing worlds of work and study.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Tela Technology	Exact match	Hampton-in-arden, United KingdomHQ recorded Sep 28, 2026	51-200	111 contacts →
	Exact match “We provide communication solutions and IT business services to businesses, big and small, to help your business grow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Quorum	Exact match	Edinburgh, United KingdomHQ recorded Sep 28, 2026	51-200	110 contacts →
	Exact match “We are an IT Consultancy and Managed Services company in Edinburgh with offices in London, Founded by Charles Scott, and Andrew Watson in We have successful Enterprise Consulting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	SOH	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	96 contacts →
	Exact match “We’re service communication experts – using a mix of science, creativity and service know-how to improve how you talk with your customers through all channels and media, from…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Excalibur Communications	Exact match	Swindon, United KingdomHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “Excalibur provides an end to end business consulting service that offers reliable insight, and expertise in communications and technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	QA Consulting	Exact match	Berkshire, United KingdomHQ recorded Sep 28, 2026	201-500	51 contacts →
	Exact match “QA Consulting is a leading provider of consulting services to commercial, financial organisations and government departments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	S P A Enterprise Services LTD	Exact match	Uxbridge, United KingdomHQ recorded Sep 28, 2026	51-200	49 contacts →
	Exact match “S P A has been coined as our company name and the acronym which articulates three vital areas of an enterprise - Systems, Processes and Applications – which requires being robust…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Uxli Limited	Exact match	Suite 14-7, United KingdomHQ recorded Sep 28, 2026	51-200	49 contacts →
	Exact match “UXLI is a UK-based data and AI consultancy with over a decade of experience helping organisations unlock value from their data.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Amillan Limited	Exact match	Solihull, United KingdomHQ recorded Sep 28, 2026	51-200	42 contacts →
	Exact match “Amillan is a communications integrator that delivers solutions to make your organisation perform better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	AB	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “We help organisations reach their full potential by engaging, informing and inspiring their audiences.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Enhanced	Exact match	Poole, United KingdomHQ recorded Sep 28, 2026	11-50	35 contacts →
	Exact match “As an employee-owned business, we take pride in every partnership, working alongside you to simplify and strengthen your approach to technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Decision Inc. UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	35 contacts →
	Exact match “Decision Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	JB Communications LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “We believe that developing the right dialogue helps our clients change mind-sets and create new ways of engagement, driving positive business results.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Maple Networks	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “We’re the team that the IT leaders of tech-dependant organisations come to when they need to really shake things up, innovate (effectively), and tackle their transformational…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	JP Reis	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	26 contacts →
	Exact match “JP Reis helps financial trading organizations make better technology decisions and deliver complex transformation programs with confidence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	BIT Solutions	Exact match	Much Hadham, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “Bit Solutions is founded on the philosophy of providing innovative enterprise IT consultancy and solutions that are aligned to our clients’ business requirements.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Streets Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “Streets Consulting Ltd is a business development, marketing and communications consultancy supporting international financial services, technology and fast-growth companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	RND Systems Integration	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “RnD Systems Integration is an IT consultancy based in, London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Voyager Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Voyager Solutions provide business change and implementation support for process, people and technology transformation programmes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Ibees Consulting	Exact match	Kettering, United KingdomHQ recorded Sep 28, 2026	51-200	20 contacts →
	Exact match “Welcome to IBEES Consulting, where innovation meets excellence in providing end-to-end business solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Nokamo Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Our vision is to establish brand in the language of the boardroom, evangelising its commercial capacity to energise organisational change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Seven Consultancy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “We are a team of experts who are passionate about the brands and organisations we work with.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Immervox	Exact match	Basildon, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “Add an expert to your team when designing, deploying and managing your network, connectivity and the associated business critical applications they host.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “enterprise communication consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 767 enterprise communication consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,407 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise communication consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026

33.3%Verified-email coverage

5.5Average contacts per company

1-10Median size (employees)

39.0%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

565

11-50

150

51-200

201-500

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 767 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with the United Kingdom whose business descriptions match “enterprise communication consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,407 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Enterprise communication consulting firms by metro

Enterprise communication consulting firms in London299

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “enterprise communication consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise communication consulting firms are there based in the United Kingdom?

RevenueBase identified 767 company matches for enterprise communication consulting firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Cartesian tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most enterprise communication consulting firms?

London leads with 299 company records, followed by Birmingham (11) and Bristol (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,407 professional contacts with verified work emails tracked across these 767 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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.