Company lists · Data refreshed September 2026

Top 25 Public relations consultancies based in London, United Kingdom

Name: Public relations consultancies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 815 companies tracked

RevenueBase identified 815 public relations consultancies headquartered in London, United Kingdom as of September 2026 and tracks 8,672 professional contacts across them, including 3,494 with verified work emails. London is the largest hub.

This list covers public relations consultancies headquartered in London, 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 14, 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 14, 2026 86% judged on-target in blind review

815Companies

8,672Contacts tracked

3,494Verified emails

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The 25 largest public relations consultancies based in London, United Kingdom

Ranked by team size

Top 25 of 815 public relations consultancies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to public relations consultancies: 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	Premier	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	272 contacts →
	Indirect evidence “Creative communications for entertainment, arts and culture.” Source: RevenueBase Database · checked Sep 14, 2026
2	Portland	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	229 contacts →
	Partial evidence “Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.” Source: RevenueBase Database · checked Sep 14, 2026
3	Radley Yeldar	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	198 contacts →
	Indirect evidence “Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Source: RevenueBase Database · checked Sep 14, 2026
4	CDR Citigate Dewe Rogerson	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	190 contacts →
	Indirect evidence “CDR is a leading global strategic communications consultancy.” Source: RevenueBase Database · checked Sep 14, 2026
5	Hanover Communications	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	177 contacts →
	Indirect evidence “Hanover is an award-winning communications consultancy that advises enterprises, institutions, and individuals on rewiring their strategies for long-term success.” Source: RevenueBase Database · checked Sep 14, 2026
6	Cavendish	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	176 contacts →
	Indirect evidence “Helping organisations build and protect value in complex and contested environments.” Source: RevenueBase Database · checked Sep 14, 2026
7	Lansons Team Farner	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	143 contacts →
	Indirect evidence “Organisations and brands turn to us to shape, protect and transform their reputations.” Source: RevenueBase Database · checked Sep 14, 2026
8	Camargue	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	111 contacts →
	Indirect evidence “Camargue is an award-winning, employee-owned communications agency.” Source: RevenueBase Database · checked Sep 14, 2026
9	Connect Group	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	89 contacts →
	Partial evidence “Connect is a communications agency specialising in public affairs and political strategy, corporate communications and reputation management.” Source: RevenueBase Database · checked Sep 14, 2026
10	Design Portfolio	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	82 contacts →
	Indirect evidence “Design Portfolio helps forward-thinking companies build trust with their stakeholders through creative storytelling, integrated communications, and sustainability strategies.” Source: RevenueBase Database · checked Sep 14, 2026
11	PLMR	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	78 contacts →
	Partial 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 14, 2026
12	Camron	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	74 contacts →
	Indirect evidence “A global PR, communications and brand strategy consultancy positioning the world’s leading brands at the forefront of modern culture with offices in London, New York, Los Angeles…” Source: RevenueBase Database · checked Sep 14, 2026
13	WA Communications	Indirect evidence	London, United KingdomHQ checked Sep 14, 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 14, 2026
14	Hawthorn Advisors	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	70 contacts →
	Indirect evidence “Hawthorn Advisors is a leading strategic communications consultancy with international reach.” Source: RevenueBase Database · checked Sep 14, 2026
15	Ketchum UK	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	66 contacts →
	Indirect evidence “We are now Golin Ketchum London.” Source: RevenueBase Database · checked Sep 14, 2026
16	Tavistock	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	57 contacts →
	Indirect evidence “Tavistock is a leading strategic communications consultancy specialising in the corporate, financial and reputation management sectors.” Source: RevenueBase Database · checked Sep 14, 2026
17	Burson Buchanan	Indirect evidence	London, United KingdomHQ checked Sep 14, 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 14, 2026
18	Prm-Global	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	54 contacts →
	Indirect evidence “We are the strategic acumen of ‘Gen Plus Group’, a dynamic communications agency where strategy meets storytelling.” Source: RevenueBase Database · checked Sep 14, 2026
19	London School Of Public Relations	Strong evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	54 contacts →
	Strong evidence “Established in 1992, the London School of Public Relations (LSPR) equips communications professionals with strategic skills through intensive, certified training programs…” Source: RevenueBase Database · checked Sep 14, 2026
20	H Advisors Maitland	Indirect evidence	London, United KingdomHQ checked Sep 14, 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 14, 2026
21	Irvine Partners	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	50 contacts →
	Indirect evidence “We are Irvine Partners Creative Communications.” Source: RevenueBase Database · checked Sep 14, 2026
22	Pagefield	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	49 contacts →
	Partial evidence “Pagefield is an independent communications consultancy specialising in integrated campaigning, public affairs and corporate and brand communications.” Source: RevenueBase Database · checked Sep 14, 2026
23	Camarco	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	49 contacts →
	Indirect evidence “We provide financial and corporate communications advice to help our clients succeed.” Source: RevenueBase Database · checked Sep 14, 2026
24	Montfort Communications	Indirect evidence	London, United KingdomHQ checked Sep 14, 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 14, 2026
25	Ballou	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	44 contacts →
	Indirect evidence “Ballou is a strategic communications partner to innovative companies.” Source: RevenueBase Database · checked Sep 14, 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 relations consultancies. 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 relations consultancies.
Partial evidence: Its own public description names part of public relations consultancies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name public relations consultancies. 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 815 public relations consultancies based in London, United Kingdom

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Public relations consultancies based in London, United Kingdom at a glance

As of Sep 14, 2026

40.3%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

562

11-50

208

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 815 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 relations consultancies, 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 London, United Kingdom whose own description of what they do matches “public relations consultancies”. 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 relations consultancies), 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 relations consultancies, and records with no verified work email. Companies headquartered outside London 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, 3,494 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 14, 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 relations consultancies by metro in the United Kingdom

Public relations consultancies in London815
Public relations consultancies in Manchester51
Public relations consultancies in Leeds27
Public relations consultancies in Bristol25

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 relations consultancies, 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 relations consultancies are there based in London, United Kingdom?

RevenueBase identified 815 public relations consultancies headquartered in London, 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?

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

Which city has the most public relations consultancies?

London leads with 815 headquartered companies, followed by Manchester (51) and Leeds (27).

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 3,494 verified decision-maker contacts tracked across these 815 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 14, 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.