Company lists · Data refreshed September 2026

Top 25 Compliance outsourcing services based in the United Kingdom

Name: Compliance outsourcing services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 321 companies tracked

RevenueBase identified 321 compliance outsourcing services headquartered in the United Kingdom as of September 2026 and tracks 5,903 professional contacts across them, including 2,794 with verified work emails. London is the largest hub.

This list covers compliance outsourcing services 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 27, 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 27, 2026 86% judged on-target in blind review

321Companies

5,903Contacts tracked

2,794Verified emails

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The 25 largest compliance outsourcing services based in the United Kingdom

Ranked by team size

Top 25 of 321 compliance outsourcing services based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to compliance outsourcing services: 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	Wolters Kluwer	Partial evidence	London, United KingdomHQ checked Sep 27, 2026	10001+	1,279 contacts →
	Partial evidence “Wolters Kluwer Financial Services Solutions are offerings of the company’s Financial & Corporate Compliance.” Source: RevenueBase Database · checked Sep 27, 2026
2	True Potential LLP	Indirect evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 27, 2026	501-1,000	1,189 contacts →
	Indirect evidence “Through our industry leading technology and services, we power the businesses of 20% of the UK financial adviser market.” Source: RevenueBase Database · checked Sep 27, 2026
3	Alcumus	Indirect evidence	Cardiff, United KingdomHQ checked Sep 27, 2026	1,001-5,000	453 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026
4	GI Outsourcing	Partial evidence	London, United KingdomHQ checked Sep 27, 2026	201-500	311 contacts →
	Partial evidence “GI Outsourcing is a UK-based accountants outsourcing firm.” Source: RevenueBase Database · checked Sep 27, 2026
5	Wilmington PLC	Indirect evidence	Birmingham, United KingdomHQ checked Sep 27, 2026	501-1,000	242 contacts →
	Indirect evidence “We help our customers to do the right business in the right way.” Source: RevenueBase Database · checked Sep 27, 2026
6	Konexo	Partial evidence	London, United KingdomHQ checked Sep 27, 2026	51-200	171 contacts →
	Partial evidence “Alternative legal and compliance services developed by Eversheds Sutherland.” Source: RevenueBase Database · checked Sep 27, 2026
7	TCC Group	Partial evidence	City Of London, United KingdomHQ checked Sep 27, 2026	51-200	141 contacts →
	Partial evidence “Intelligent compliance solutions for outcomes that matter* We offer complete compliance solutions to help financial services firms solve their regulatory challenges.” Source: RevenueBase Database · checked Sep 27, 2026
8	Riliance	Partial evidence	Tarporley, United KingdomHQ checked Sep 27, 2026	11-50	126 contacts →
	Partial evidence “Riliance is a unique web based risk and compliance system for businesses facing regulations.” Source: RevenueBase Database · checked Sep 27, 2026
9	Novatus	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	51-200	102 contacts →
	Indirect evidence “We enable financial services firms to meet their most complex regulatory requirements through specialist technology and expert-led advisory services.” Source: RevenueBase Database · checked Sep 27, 2026
10	Veriforce Chas	Partial evidence	Morden, United KingdomHQ checked Sep 27, 2026	51-200	100 contacts →
	Partial evidence “Veriforce CHAS is the UK’s leading provider of supply chain compliance and risk management solutions.” Source: RevenueBase Database · checked Sep 27, 2026
11	Idenfo	Partial evidence	Norwich, United KingdomHQ checked Sep 27, 2026	51-200	87 contacts →
	Partial evidence “Idenfo is a global RegTech company helping organizations simplify compliance, strengthen risk management, and build trust through intelligent identity verification and AML…” Source: RevenueBase Database · checked Sep 27, 2026
12	Aptivaa	Partial evidence	London, United KingdomHQ checked Sep 27, 2026	11-50	74 contacts →
	Partial evidence “Aptivaa is a vertically focused risk and compliance professional services firm delivering risk management solutions to the global financial services industry.” Source: RevenueBase Database · checked Sep 27, 2026
13	FSCOM	Partial evidence	Belfast, United KingdomHQ checked Sep 27, 2026	51-200	64 contacts →
	Partial evidence “fscom is one of the premier specialist consulting firms providing governance, risk, and compliance solutions to financial services institutions in the UK and Ireland.” Source: RevenueBase Database · checked Sep 27, 2026
14	EFLOW	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	51-200	58 contacts →
	Indirect evidence “Founded in 2004, eflow provides financial firms with technology solutions to help them comply with their regulatory requirements in a more streamlined, efficient and robust way.” Source: RevenueBase Database · checked Sep 27, 2026
15	Threesixty Services	Partial evidence	Manchester, United KingdomHQ checked Sep 27, 2026	51-200	44 contacts →
	Partial evidence “threesixty provides trusted compliance, technical and business support to over 950 directly authorised advice and discretionary management firms, supporting more than individuals…” Source: RevenueBase Database · checked Sep 27, 2026
16	Paradigm Consulting	Partial evidence	Wilmslow, United KingdomHQ checked Sep 27, 2026	51-200	43 contacts →
	Partial evidence “Paradigm Consulting is a premier provider of compliance support to the UK's financial services community, including directly authorised wealth managers, financial advisers and…” Source: RevenueBase Database · checked Sep 27, 2026
17	Complyport	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	51-200	36 contacts →
	Indirect evidence “Welcome to Complyport - member of ComplyMAP Group!” Source: RevenueBase Database · checked Sep 27, 2026
18	Ruleguard	Indirect evidence	Moorgate, United KingdomHQ checked Sep 27, 2026	11-50	34 contacts →
	Indirect evidence “Ruleguard is the leading AI-powered Continuous Assurance Platform built exclusively for regulated financial services firms.” Source: RevenueBase Database · checked Sep 27, 2026
19	MAP Fintech	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	11-50	28 contacts →
	Indirect evidence “MAP FinTech is a leading and award-winning global regulatory technology provider for the financial services industry, specialising in reporting solutions arising from the…” Source: RevenueBase Database · checked Sep 27, 2026
20	Control NOW	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	11-50	27 contacts →
	Indirect evidence “Control Now is a London-based RegTech firm focused on solving one of regulation's most persistent challenges: transaction reporting that is accurate, reliable, automated…” Source: RevenueBase Database · checked Sep 27, 2026
21	Addition Compliance	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	11-50	24 contacts →
	Indirect evidence “We are an independent, fully managed regulatory reporting service, trusted by financial institutions for the accuracy, expertise, and personal service demanded by an evolving…” Source: RevenueBase Database · checked Sep 27, 2026
22	The Compliance Guys LTD	Partial evidence	Wolverhampton, United KingdomHQ checked Sep 27, 2026	11-50	24 contacts →
	Partial evidence “From FCA Application to Ongoing Compliance – We've Got You Covered!” Source: RevenueBase Database · checked Sep 27, 2026
23	Ardent Tide LTD	Partial evidence	London, United KingdomHQ checked Sep 27, 2026	51-200	23 contacts →
	Partial evidence “Ardent Tide; trusted by the UK construction industry to deliver absolute certainty in contracting and compliance.” Source: RevenueBase Database · checked Sep 27, 2026
24	Regulatory Finance Solutions	Partial evidence	Swindon, United KingdomHQ checked Sep 27, 2026	11-50	23 contacts →
	Partial evidence “Regulatory Finance Solutions (RFS) is a leading edge compliance consultancy within the financial risk and regulatory sectors.” Source: RevenueBase Database · checked Sep 27, 2026
25	Neuven Consult	Partial evidence	Manchester, United KingdomHQ checked Sep 27, 2026	11-50	22 contacts →
	Partial evidence “Neuven Consult is the new name for the Neuven Audit division within Neuven Solutions, providing Compliance Expertise and Audits, Bid Management & Tender Support and Framework and…” Source: RevenueBase Database · checked Sep 27, 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: compliance outsourcing services. 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 compliance outsourcing services.
Partial evidence: Its own public description names part of compliance outsourcing services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name compliance outsourcing services. 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 321 compliance outsourcing services based in the United Kingdom

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Compliance outsourcing services based in the United Kingdom at a glance

As of Sep 27, 2026

47.3%Verified-email coverage

18.4Average contacts per company

1-10Median size (employees)

38.0%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

218

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 321 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 compliance outsourcing services, 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 “compliance outsourcing services”. 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 compliance outsourcing services), 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 compliance outsourcing services, 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, 2,794 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 27, 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.

Compliance outsourcing services by metro

Compliance outsourcing services in London122

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 compliance outsourcing services, 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 compliance outsourcing services are there based in the United Kingdom?

RevenueBase identified 321 compliance outsourcing services 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?

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

Which city has the most compliance outsourcing services?

London leads with 122 headquartered companies, followed by Manchester (15) and Leeds (7).

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 2,794 verified decision-maker contacts tracked across these 321 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 27, 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.