Company lists · Data refreshed September 2026

Top 25 Government compliance consulting firms based in London, United Kingdom

Name: Government compliance consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 117 companies tracked

RevenueBase identified 117 government compliance consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 411 professional contacts across them, including 134 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers government compliance consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review

117Companies

411Contacts tracked

134Verified emails

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The 25 largest government compliance consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 117 government compliance consulting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to government compliance consulting firms: 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	Complyport	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	36 contacts →
	Indirect evidence “Welcome to Complyport - member of ComplyMAP Group!” Source: RevenueBase Database · checked Sep 28, 2026
2	RQC Group	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	34 contacts →
	Strong evidence “RQC Group is an industry-leading financial compliance consultancy with offices in London and New York, specialising in FCA, SEC and CFTC/NFA Compliance Consulting, Investment…” Source: RevenueBase Database · checked Sep 28, 2026
3	Complycraft Consulting	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	14 contacts →
	Partial evidence “We are an independent (employee owned) compliance consultancy providing services to FCA regulated firms and to other compliance consultancies.” Source: RevenueBase Database · checked Sep 28, 2026
4	ABM Global Compliance	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “ABM Global Compliance specializes in providing financial services to various compliance firms, whose vast experience of regulatory matters in the financial services sector can…” Source: RevenueBase Database · checked Sep 28, 2026
5	Beverley Bell Consulting & Training	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Strong evidence “Beverley Bell Consulting & Training supports clients with compliance, governance, risk, health and safety and regulatory advice and training.” Source: RevenueBase Database · checked Sep 28, 2026
6	Sysmax	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “If compliance with international, regional and functional best practices is critical to your success then Sysmax is for you.” Source: RevenueBase Database · checked Sep 28, 2026
7	Objectivus	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	10 contacts →
	Partial evidence “Objectivus is an independent boutique consultancy specialising in Governance, Risk, and Compliance (GRC) advisory for the financial services sector.” Source: RevenueBase Database · checked Sep 28, 2026
8	Fintech Compliance	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	9 contacts →
	Partial evidence “FinTech Compliance was established after the need for specialist FCA Compliance expertise in Technology based, Innovative, and Alternative Finance businesses became apparent.” Source: RevenueBase Database · checked Sep 28, 2026
9	Comsura	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “Comsura is a compliance consultancy for regulated firms.” Source: RevenueBase Database · checked Sep 28, 2026
10	Richdale Consultants	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “Richdale Consultants was established over four years ago with a commitment at the heart of the business.” Source: RevenueBase Database · checked Sep 28, 2026
11	Edgecomply	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “EdgeComply is a hands-on product compliance partner helping brands meet regulations across the global markets they sell to.” Source: RevenueBase Database · checked Sep 28, 2026
12	Lucria Consult	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Simplify your Global Tax Compliance-IP Compliance - Customs - Product Compliance - Let us talk!” Source: RevenueBase Database · checked Sep 28, 2026
13	Complia	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Strong evidence “Complia offers innovative RegTech solutions - Agents and expert regulatory compliance consulting, helping businesses navigate complex regulations efficiently.” Source: RevenueBase Database · checked Sep 28, 2026
14	HCPG	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “We know governance is not often seen as interesting or inspiring, but we are….ask our customers.” Source: RevenueBase Database · checked Sep 28, 2026
15	Compliance On Demand	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Compliance on Demand is a boutique consultancy for both regulated and unregulated businesses operating primarily in the real estate sector, but also general corporate and…” Source: RevenueBase Database · checked Sep 28, 2026
16	Hooley Brown Regulatory Compliance And Export Strategy For Consumer Brands Looking To Scale	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “Do you need food & cosmetics labelling and product development support which will give you instant access to consumer markets worldwide?” Source: RevenueBase Database · checked Sep 28, 2026
17	Theregulationservice	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Regulation.” Source: RevenueBase Database · checked Sep 28, 2026
18	Certlabel LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “CERT transforms regulatory hurdles into growth opportunities.” Source: RevenueBase Database · checked Sep 28, 2026
19	Jreg Consultancy LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “JReg Consultancy Ltd is a team of experienced professionals offering a broad spectrum of regulatory, clinical and quality compliance services.” Source: RevenueBase Database · checked Sep 28, 2026
20	RTM Business Consulting	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “Every day the regulatory environment in which big business operates becomes more complex and more challenging.” Source: RevenueBase Database · checked Sep 28, 2026
21	CSL	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “CSL is a solutions and results driven professional services firm providing Compliance, Risk Management and Audit services.” Source: RevenueBase Database · checked Sep 28, 2026
22	C&g Regulatory Solutions	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Founded in 2021 by industry veteran Alexander Culley as A.C.Culley & Co, C&G Regulatory Solutions Limited, trading as C&G, offers deep experience of financial markets regulation…” Source: RevenueBase Database · checked Sep 28, 2026
23	Kana Consult	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Partial evidence “We are a marketing employer branding and compliance consultancy for financial services firms with a core mission of helping our clients grow and protect their interests.” Source: RevenueBase Database · checked Sep 28, 2026
24	MCM Compliance Consultants	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “At MCM Compliance, we take the time to develop a detailed understanding of our client's business model and risk profiles to enable us to tailor our advice, guidance and support.” Source: RevenueBase Database · checked Sep 28, 2026
25	London Registrars LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	2 contacts →
	Partial evidence “London Registrars Ltd is a firm specialising in corporate governance, risk and compliance services and offering legal and business advice to all types of organisations.” Source: RevenueBase Database · checked Sep 28, 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: government compliance consulting firms. 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 government compliance consulting firms.
Partial evidence: Its own public description names part of government compliance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name government compliance consulting firms. 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 117 government compliance consulting firms based in London, United Kingdom

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Government compliance consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

32.6%Verified-email coverage

3.5Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 117 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 government compliance consulting firms, 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 “government compliance consulting firms”. 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 government compliance consulting firms), 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 government compliance consulting firms, 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, 134 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 28, 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.

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 government compliance consulting firms, 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 government compliance consulting firms are there based in London, United Kingdom?

RevenueBase identified 117 government compliance consulting firms 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?

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

Which city in the United Kingdom has the most government compliance consulting firms?

London leads the United Kingdom with 117 headquartered companies, followed by Manchester (19) and Leeds (8).

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 134 verified decision-maker contacts tracked across these 117 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 28, 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.