Company lists · Data refreshed September 2026

Top 25 Public affairs consulting firms based in the United Kingdom

Name: Public affairs 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 5, 2026 340 companies tracked

RevenueBase identified 340 public affairs consulting firms headquartered in the United Kingdom as of September 2026 and tracks 5,836 professional contacts across them, including 3,290 with verified work emails and 652 with mobile numbers. London is the largest hub.

This list covers public affairs consulting firms 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 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

340Companies

5,836Contacts tracked

3,290Verified emails

652Mobile numbers

Explore all 340 companies → Free signup · no credit card · 500 free credits

The 25 largest public affairs consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 340 public affairs consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names public affairs consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Brunswick GroupIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	1,001-5,000	1,563
	“Brunswick is a global advisory firm.” Source: company website · checked Sep 5, 2026
2	EmperorIndirect evidence	Aldgate, United KingdomHQ checked Sep 5, 2026	201-500	415
	“Emperor is one of the UK's leading employee-owned creative communications agencies.” Source: company website · checked Sep 5, 2026
3	PortlandStrong evidence	London, United KingdomHQ checked Sep 5, 2026	201-500	229
	“Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.” Source: company website · checked Sep 5, 2026
4	Flint GlobalIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	214
	“Flint specialises in advising businesses and investors on how to navigate and surmount the policy, political, regulatory and competition challenges they face in European and…” Source: company website · checked Sep 5, 2026
5	Hanover CommunicationsIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	201-500	177
	“Hanover is an award-winning communications consultancy that advises enterprises, institutions, and individuals on rewiring their strategies for long-term success.” Source: company website · checked Sep 5, 2026
6	Milltown PartnersPartial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	174
	“Milltown Partners is a global advisory firm working with influential organisations and individuals on the communications and public policy challenges that define their reputations.” Source: company website · checked Sep 5, 2026
7	SEC Newgate UKPartial evidence	London, United KingdomHQ checked Sep 5, 2026	1,001-5,000	142
	“Strategic corporate affairs in the UK and around the globe.” Source: company website · checked Sep 5, 2026
8	Global CounselIndirect evidence	Doha, United KingdomHQ checked Sep 5, 2026	51-200	125
	“Global Counsel is an advisory firm that works with clients to navigate the critical area between business, politics and policymaking.” Source: company website · checked Sep 5, 2026
9	Hanbury StrategyIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	125
	“Hanbury is a strategic advisory firm that turns insight into impact.” Source: company website · checked Sep 5, 2026
10	CamargueIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	111
	“Camargue is an award-winning, employee-owned communications agency.” Source: company website · checked Sep 5, 2026
11	JBPIndirect evidence	Bristol, United KingdomHQ checked Sep 5, 2026	11-50	101
	“We're JBP, an award-winning full-service communications agency with our headquarters in Bristol, and offices in London, Warwick, Manchester and Cardiff.” Source: company website · checked Sep 5, 2026
12	Connect GroupStrong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	89
	“Connect is a communications agency specialising in public affairs and political strategy, corporate communications and reputation management.” Source: company website · checked Sep 5, 2026
13	PLMRStrong evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	78
	“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: company website · checked Sep 5, 2026
14	WA CommunicationsIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	71
	“We are a strategic communications consultancy helping organisations achieve policy and reputational outcomes.” Source: company website · checked Sep 5, 2026
15	Hawthorn AdvisorsIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	70
	“Hawthorn Advisors is a leading strategic communications consultancy with international reach.” Source: company website · checked Sep 5, 2026
16	DTWIndirect evidence	Guisborough, United KingdomHQ checked Sep 5, 2026	11-50	66
	“DTW is a strategic communications and marketing consultancy We specialise in work for membership organisations, regulatory bodies and major infrastructure and energy projects…” Source: company website · checked Sep 5, 2026
17	TavistockIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	57
	“Tavistock is a leading strategic communications consultancy specialising in the corporate, financial and reputation management sectors.” Source: company website · checked Sep 5, 2026
18	Burson BuchananIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	55
	“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: company website · checked Sep 5, 2026
19	H Advisors MaitlandIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	51
	“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: company website · checked Sep 5, 2026
20	PagefieldStrong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	49
	“Pagefield is an independent communications consultancy specialising in integrated campaigning, public affairs and corporate and brand communications.” Source: company website · checked Sep 5, 2026
21	Counter Context LTDStrong evidence	Sheffield, United KingdomHQ checked Sep 5, 2026	11-50	43
	“We are a specialist communications, PR and public affairs company.” Source: company website · checked Sep 5, 2026
22	WoodrowIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	41
	“We’re an independent communications and advisory firm, bringing clarity and purpose to high-stakes conversations.” Source: company website · checked Sep 5, 2026
23	GreenbrookIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	40
	“Greenbrook is an independent strategic communications firm that advises clients on all aspects of their business through the lens of reputation.” Source: company website · checked Sep 5, 2026
24	Luther PendragonStrong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	35
	“Luther Pendragon is a strategic communications and public affairs consultancy trusted to guide organisations through uncertain times.” Source: company website · checked Sep 5, 2026
25	CTN GroupIndirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	35
	“Impact Communications For over thirty years, we've been helping our clients across the globe shape strategies, enhance reputations and inspire changing behaviours.” Source: company website · checked Sep 5, 2026

Showing 25 of 340 public affairs consulting firms based in the United Kingdom

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Public affairs consulting firms based in the United Kingdom at a glance

As of Sep 5, 2026

1-10Median size (employees)

LondonLargest hub · 222 HQs

652Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

222

11-50

51-200

201-500

501-1,000

1,001-5,000

Verified emails by last verification

0–30

3,100

31–60

178

61–90

90–180

180+

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 consulting firms, 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 “public affairs consulting firms”. 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 public affairs consulting firms, 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, 3,290 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 5, 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 consulting firms by metro

Public affairs consulting firms in London222

Frequently asked

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

RevenueBase identified 340 public affairs consulting firms 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?

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

Which city has the most public affairs consulting firms?

London leads with 222 headquartered companies, followed by Edinburgh (11) and Belfast (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 3,290 verified decision-maker contacts tracked across these 340 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 5, 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.