Company lists · Data refreshed August 2026

Top 25 Communications consulting firms based in the United Kingdom

RevenueBase identified 1,569 company matches for communications consulting firms associated with the United Kingdom as of August 2026 and tracks 12,921 professional contacts across them, including 4,995 with verified work emails and 1,167 with mobile numbers. London is the largest hub.

This list covers company matches for communications 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 August 31, 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 Aug 31, 2026 How this list was built
1,569Companies
12,921Contacts tracked
4,995Verified emails
1,167Mobile numbers
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The 25 largest communications consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 1,569 company matches for communications consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Aug 31, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAldgate, United Kingdom201-500414 contacts →

Exact match

“Emperor is one of the UK's leading employee-owned creative communications agencies.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
2Exact matchLondon, United Kingdom201-500312 contacts →

Exact match

“Kekst CNC, the international strategic communications consultancy of Publicis Groupe, has pioneered strategic communications to help its clients achieve their most important…”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
3Exact matchLondon, United Kingdom51-200310 contacts →

Exact match

“Roman is a communication and Public Relations cross sector agency with 30 years’ experience.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
4Exact matchLondon, United Kingdom201-500229 contacts →

Exact match

“Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
5Exact matchLondon, United Kingdom51-200205 contacts →

Exact match

“We are a communications consultancy powered by collaboration.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
6Exact matchBirmingham, United Kingdom51-200193 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 · Aug 31, 2026 · View company records in RevenueBase
7Exact matchLondon, United Kingdom51-200190 contacts →

Exact match

“CDR is a leading global strategic communications consultancy.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
8Exact matchLondon, United Kingdom51-200177 contacts →

Exact match

“Milltown Partners is a global advisory firm working with influential organisations and individuals on the communications and public policy challenges that define their reputations.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
9Exact matchLondon, United Kingdom51-200172 contacts →

Exact match

“In a fast-changing world, we help brands with big ambitions shape meaningful conversations that keep them one step ahead.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
10Exact matchLondon, United Kingdom51-200142 contacts →

Exact match

“Organisations and brands turn to us to shape, protect and transform their reputations.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
11Exact matchLondon, United Kingdom201-500128 contacts →

Exact match

“Instinctif UK has officially rebranded to TEAM LEWIS.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
12Exact matchLondon, United Kingdom51-200121 contacts →

Exact match

“Hanbury is a strategic advisory firm that turns insight into impact.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
13Exact matchUnited Kingdom51-200121 contacts →

Exact match

“Infinite Global is an award-winning strategic communications firm specializing in PR, Content & Campaigns, Digital, and Crisis & Litigation.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
14Exact matchCardiff, United Kingdom51-200113 contacts →

Exact match

“Camargue is an award-winning, employee-owned communications agency.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
15Exact matchLondon, United Kingdom51-200112 contacts →

Exact match

“At Copper, we combine insight, intelligence and creative communications expertise to deliver measurable impact for our clients.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
16Exact matchChelmsford, United Kingdom51-20077 contacts →

Exact match

“PLMR delivers Communications with Impact Lobbying and Public Affairs We draw on the experience of former MPs, candidates and advisers, local authority councillors and public…”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
17Exact matchLondon, United Kingdom51-20077 contacts →

Exact match

“At Cirkle, we have 25 years' experience delivering comms.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
18Exact matchLondon, United Kingdom51-20075 contacts →

Exact match

“Madano is committed to building a better world through intelligent and creative communications supported by in-depth insights.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
19Exact matchBirmingham, United Kingdom51-20073 contacts →

Exact match

“We blend sharp strategy with compelling corporate storytelling to help you show up with clarity, confidence, and purpose.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
20Exact matchSwindon, United Kingdom51-20072 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 · Aug 31, 2026 · View company records in RevenueBase
21Exact matchLondon, United Kingdom51-20070 contacts →

Exact match

“We are a strategic communications consultancy helping organisations achieve policy and reputational outcomes.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
22Exact matchLondon, United Kingdom51-20069 contacts →

Exact match

“Hawthorn Advisors is a leading strategic communications consultancy with international reach.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
23Exact matchLondon, United Kingdom51-20055 contacts →

Exact match

“We believe our strength is in helping clients direct-rather than react to-the ongoing conversations about them in the marketplace.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
24Exact matchLondon, United Kingdom51-20050 contacts →

Exact match

“H/Advisors in the UK brings together the heritage, skills and insight of H/Advisors Maitland and H/Advisors Cicero to support leaders at their most important moments.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
25Exact matchUnited Kingdom51-20044 contacts →

Exact match

“PR has never been more valuable.”

Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase

Showing 25 of 1,569 communications consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,995 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Communications consulting firms based in the United Kingdom at a glance

As of Aug 31, 2026
38.7%Verified-email coverage
9.0%Mobile-number coverage
8.2Average contacts per company
1-10Median size (employees)
47.7%Largest-city concentration · London
Aug 31, 2026Page data refreshed

Companies by employee count

1-10
1,190
11-50
297
51-200
44
201-500
8
501-1,000
4
1,001-5,000
1

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 “communications 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 4,995 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 August 31, 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.

Communications consulting firms by metro

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 “communications consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 1,569 company matches for communications consulting firms associated with the United Kingdom as of August 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?

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

Which city has the most communications consulting firms?

London leads with 749 company records, followed by Manchester (27) and Bristol (21).

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 4,995 professional contacts with verified work emails tracked across these 1,569 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 August 31, 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.