Company lists · Data refreshed September 2026

Top 25 Public affairs companies based in the United Kingdom

Name: Public affairs companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 297 companies tracked

RevenueBase identified 297 public affairs companies headquartered in the United Kingdom as of September 2026 and tracks 2,576 professional contacts across them, including 1,237 with verified work emails. London is the largest hub.

This list covers public affairs companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

297Companies

2,576Contacts tracked

1,237Verified emails

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The 25 largest public affairs companies based in the United Kingdom

Ranked by team size

Top 25 of 297 public affairs companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to public affairs companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Headland	Indirect evidence	City Of London, United KingdomHQ checked Sep 19, 2026	51-200	205 contacts →
	Indirect evidence “We are a communications consultancy powered by collaboration.” Source: RevenueBase Database · checked Sep 19, 2026
2	CDR Citigate Dewe Rogerson	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	190 contacts →
	Indirect evidence “CDR is a leading global strategic communications consultancy.” Source: RevenueBase Database · checked Sep 19, 2026
3	Connect Group	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	89 contacts →
	Strong evidence “Connect is a communications agency specialising in public affairs and political strategy, corporate communications and reputation management.” Source: RevenueBase Database · checked Sep 19, 2026
4	PLMR	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	78 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
5	WA Communications	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	71 contacts →
	Indirect evidence “We are a strategic communications consultancy helping organisations achieve policy and reputational outcomes.” Source: RevenueBase Database · checked Sep 19, 2026
6	Different PR	Partial evidence	Harrogate, United KingdomHQ checked Sep 19, 2026	n/a	71 contacts →
	Partial evidence “We are a Yorkshire PR company that specialises in getting our clients and their products in the news via public relations and media relations campaigns, stunts and one off news…” Source: RevenueBase Database · checked Sep 19, 2026
7	Hawthorn Advisors	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	70 contacts →
	Indirect evidence “Hawthorn Advisors is a leading strategic communications consultancy with international reach.” Source: RevenueBase Database · checked Sep 19, 2026
8	Dehavilland	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	70 contacts →
	Indirect evidence “DeHavilland equips you with the political insights you need to influence policy, react fast, manage risk and form meaningful strategies.” Source: RevenueBase Database · checked Sep 19, 2026
9	Burson Buchanan	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	55 contacts →
	Indirect evidence “For more than four decades, we have helped our clients build, protect, and enhance their reputations, advance their business objectives, and shape the conversations that matter…” Source: RevenueBase Database · checked Sep 19, 2026
10	H Advisors Maitland	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	51 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
11	Camarco	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	49 contacts →
	Indirect evidence “We provide financial and corporate communications advice to help our clients succeed.” Source: RevenueBase Database · checked Sep 19, 2026
12	Montfort Communications	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	47 contacts →
	Indirect evidence “Montfort is an award-winning reputation management consultancy delivering data-driven strategic advice to the world’s leading companies, individuals and organisations.” Source: RevenueBase Database · checked Sep 19, 2026
13	Counter Context LTD	Strong evidence	Sheffield, United KingdomHQ checked Sep 19, 2026	11-50	43 contacts →
	Strong evidence “We are a specialist communications, PR and public affairs company.” Source: RevenueBase Database · checked Sep 19, 2026
14	Speed Communications	Indirect evidence	Bristol, United KingdomHQ checked Sep 19, 2026	51-200	42 contacts →
	Indirect evidence “PR has never been more valuable.” Source: RevenueBase Database · checked Sep 19, 2026
15	Greenbrook	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	40 contacts →
	Indirect evidence “Greenbrook is an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.” Source: RevenueBase Database · checked Sep 19, 2026
16	Atticus Partners	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	34 contacts →
	Strong evidence “Atticus Partners is an award winning integrated communications agency, with years of experience in strategic counsel, government affairs and public relations.” Source: RevenueBase Database · checked Sep 19, 2026
17	Farrant Group	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	33 contacts →
	Indirect evidence “Farrant Group is a global strategic communications firm.” Source: RevenueBase Database · checked Sep 19, 2026
18	The Communication Group PLC	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	33 contacts →
	Partial evidence “About The Communication Group plc The Communication Group plc is the longest established independent public relations consultancy in the UK.” Source: RevenueBase Database · checked Sep 19, 2026
19	ASG	Indirect evidence	Belfast, United KingdomHQ checked Sep 19, 2026	11-50	31 contacts →
	Indirect evidence “ASG is built to respond to everyday business problems faced by our clients.” Source: RevenueBase Database · checked Sep 19, 2026
20	Sanctuary Counsel	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	30 contacts →
	Indirect evidence “Reputations - both corporate and personal - are highly prized assets and powerful drivers of value.” Source: RevenueBase Database · checked Sep 19, 2026
21	Orbit Communications	Strong evidence	Edinburgh, United KingdomHQ checked Sep 19, 2026	1-10	29 contacts →
	Strong evidence “Orbit Communications is an award-winning communications consultancy providing integrated public relations, public affairs, digital and design services.” Source: RevenueBase Database · checked Sep 19, 2026
22	Borkowski	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	26 contacts →
	Indirect evidence “We realise big ambitions, solve complex problems, build and protect reputations, and bring wild imaginations to life by unlocking the power of PR & strategic communications.” Source: RevenueBase Database · checked Sep 19, 2026
23	MD Communications	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	26 contacts →
	Indirect evidence “MD Communications is a bespoke communications consultancy dedicated to creating, building and protecting individual and corporate brand reputations.” Source: RevenueBase Database · checked Sep 19, 2026
24	Lodestone Communications	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	26 contacts →
	Indirect evidence “Lodestone is an award winning strategy and communications agency with a purpose.” Source: RevenueBase Database · checked Sep 19, 2026
25	Garnett Keeler Public Relations Limited	Indirect evidence	Carshalton, United KingdomHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “Perhaps the most distinctive thing ‘about us’ as a PR agency, is that we are never ‘about us’.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: public affairs companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names public affairs companies.
Partial evidence: Its own public description names part of public affairs companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name public affairs companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 297 public affairs companies based in the United Kingdom

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Public affairs companies based in the United Kingdom at a glance

As of Sep 19, 2026

48.0%Verified-email coverage

8.7Average contacts per company

1-10Median size (employees)

48.8%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

212

11-50

51-200

201-500

501-1,000

1,001-5,000

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 297 companies.

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 public affairs companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “public affairs companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names public affairs companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among public affairs companies, 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 its RevenueBase Smart Search 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, 1,237 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 19, 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.

Public affairs companies by metro

Public affairs companies in London145

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names public affairs companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many public affairs companies are there based in the United Kingdom?

RevenueBase identified 297 public affairs companies 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?

Headland, headquartered in London, tops this list with the largest team on record.

Which city has the most public affairs companies?

London leads with 145 headquartered companies, followed by Edinburgh (9) and Manchester (9).

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 1,237 verified decision-maker contacts tracked across these 297 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 19, 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 Smart Search, 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.