Company lists · Data refreshed September 2026

Top 25 Legislative consulting firms based in the United Kingdom

RevenueBase identified 100 legislative consulting firms headquartered in the United Kingdom as of September 2026 and tracks 780 professional contacts across them, including 278 with verified work emails and 66 with mobile numbers. London is the largest hub.

This list covers legislative 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 4, 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 4, 2026 86% judged on-target in blind review
100Companies
780Contacts tracked
278Verified emails
66Mobile numbers
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The 25 largest legislative consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 100 legislative consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names legislative 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.
#CompanyHeadquartersEmployeesContacts
1
Global CounselIndirect evidence
Doha, United KingdomHQ checked Sep 4, 202651-200125

“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 4, 2026
2
PLMRIndirect evidence
London, United KingdomHQ checked Sep 4, 202651-20077

“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 4, 2026
3
EUK ConsultingIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5022

“EUK is an experienced team of specialists in the management of regulation, corporate reputation, and stakeholder relationships.”

Source: company website · checked Sep 4, 2026
4
FIELDIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5021

“We are public affairs, communications and industry experts with a proud reputation and track record of helping our clients shape policy, perceptions and places, through a…”

Source: company website · checked Sep 4, 2026
5
WPI StrategyIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5020

“WPI Strategy is a specialist agency with a unique approach that combines public affairs and communications advisory with economic analysis to support clients across regulatory…”

Source: company website · checked Sep 4, 2026
6
Inline PolicyIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5016

“Inline is a pioneering political consultancy that gives clear and comprehensive political and regulatory advice.”

Source: company website · checked Sep 4, 2026
7
True North AdvisorsIndirect evidence
Aberdeen, United KingdomHQ checked Sep 4, 20261-1015

“True North draws upon unrivalled combined experience working at the most senior levels of national government, global businesses and the media.”

Source: company website · checked Sep 4, 2026
8
Towerhouse LLPIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5014

“A small organisation helping our clients to have a big impact.”

Source: company website · checked Sep 4, 2026
9
Sovereign StrategyIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-5012

“Sovereign Strategy was established in in response to a growing need by public and private corporations, international organisations and civil society to meet the growing…”

Source: company website · checked Sep 4, 2026
10
Local Govt InsightsPartial evidence
Romford, United KingdomHQ checked Sep 4, 202611-5010

“A leading firm of advisers, that specialises in government policies, public affairs, community engagement, planning advisory and consulting services.”

Source: company website · checked Sep 4, 2026
11
Stephenson-Mohl GroupIndirect evidence
Newcastle Upon Tyne, United KingdomHQ checked Sep 4, 20261-109

“The North's Leading Public Affairs Consultancy.”

Source: company website · checked Sep 4, 2026
12
Invicta Public Affairs LTDIndirect evidence
Glasgow, United KingdomHQ checked Sep 4, 20261-109

“Established in 2007, Invicta is recognised as one of the UK’s leading Public Affairs companies.”

Source: company website · checked Sep 4, 2026
13
ChambréIndirect evidence
Belfast, United KingdomHQ checked Sep 4, 20261-107

“Chambré Public Affairs LLP is a leading Northern Ireland-based communications consultancy.”

Source: company website · checked Sep 4, 2026
14
Central Lobby ConsultantsIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-106

“Central Lobby Consultants Ltd (CLC) is an independent parliamentary and public affairs consultancy.”

Source: company website · checked Sep 4, 2026
15
Ebis LTDPartial evidence
Nottingham, United KingdomHQ checked Sep 4, 20261-106

“Strategic Consulting, including business plan and sales strategy development.”

Source: company website · checked Sep 4, 2026
16
Kane PartnersIndirect evidence
Inverness, United KingdomHQ checked Sep 4, 20261-105

“At Kane Partners, we specialise in crafting intentional strategies that drive engagement, build trust, and amplify your voice.”

Source: company website · checked Sep 4, 2026
17
Capital CounselIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-104

“Capital Counsel is a bespoke consultancy providing strategic advice, business and regulatory support, government affairs and communications services.”

Source: company website · checked Sep 4, 2026
18
Blockreg AdvisorsIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-104

“Our mission is to provide comprehensive regulatory and public policy services to assist companies in understanding and effectively navigating regulatory environments.”

Source: company website · checked Sep 4, 2026
19
The Public Affairs CompanyIndirect evidence
Leeds, United KingdomHQ checked Sep 4, 20261-104

“The Public Affairs Company is a Leeds based government and parliamentary relations consultancy with an established record of achievement.”

Source: company website · checked Sep 4, 2026
20
Nudge FactoryIndirect evidence
Croydon, United KingdomHQ checked Sep 4, 202611-503

“Nudge Factory was founded to provide expert counsel to leading corporations and organisations, as well as entrepreneurs and private clients.”

Source: company website · checked Sep 4, 2026
21
Tarsh ConsultingIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-103

“We enhance our clients’ profiles in the media; we forge valuable partnerships for them; and we successfully lobby governments.”

Source: company website · checked Sep 4, 2026
22
The BriefIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-102

“Strategic advice on Politics, Policy and Regulation”

Source: company website · checked Sep 4, 2026
23
Cavendish AdvocacyIndirect evidence
London, United KingdomHQ checked Sep 4, 202611-502

“We’ve unified our brands: BECG, Cavendish Advocacy, Liberty One, and LoveThat to better help our clients, navigate the road ahead, give them the creative edge and deliver…”

Source: company website · checked Sep 4, 2026
24
Lucerna PartnersIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-102

“Lucerna Partners – the regulatory and public policy experts We are a consultancy specialising in regulation and public policy.”

Source: company website · checked Sep 4, 2026
25
Westbrook StrategyIndirect evidence
London, United KingdomHQ checked Sep 4, 20261-102
Source: company website · checked Sep 4, 2026

Showing 25 of 100 legislative consulting firms based in the United Kingdom

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Legislative consulting firms based in the United Kingdom at a glance

As of Sep 4, 2026
1-10Median size (employees)
LondonLargest hub · 61 HQs
66Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
74
11-50
17
51-200
8

Verified emails by last verification

0–30
0
31–60
19
61–90
151
90–180
108
180+
0

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 legislative 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 “legislative 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 legislative 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, 278 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 4, 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.

Legislative consulting firms by metro

  • Legislative consulting firms in London61

Frequently asked

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

RevenueBase identified 100 legislative 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?

Global Counsel, headquartered in Doha, tops this list with the largest team on record.

Which city has the most legislative consulting firms?

London leads with 61 headquartered companies, followed by Belfast (3) and Edinburgh (3).

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 278 verified decision-maker contacts tracked across these 100 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 4, 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.