Company lists · Data refreshed September 2026

Top 25 International regulatory consulting firms based in the United Kingdom

RevenueBase identified 966 company matches for international regulatory consulting firms associated with the United Kingdom as of September 2026 and tracks 7,883 professional contacts across them, including 3,531 with verified work emails. London is the largest hub.

This list covers company matches for international regulatory consulting firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
966Companies
7,883Contacts tracked
3,531Verified emails
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The 25 largest international regulatory consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 966 company matches for international regulatory consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRuddington, United KingdomHQ recorded Sep 28, 20261,001-5,0001,303 contacts →

Exact match

“Ideagen brings clarity and confidence to the safe hands and trusted voices protecting our world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchWarrington, United KingdomHQ recorded Sep 28, 20261,001-5,000776 contacts →

Exact match

“Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchCardiff, United KingdomHQ recorded Sep 28, 20261,001-5,000453 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchReading, United KingdomHQ recorded Sep 28, 2026201-500319 contacts →

Exact match

“RSSL is a global leader at the forefront of scientific analysis, consultancy, product development and training, serving the food, drink, pharmaceutical, healthcare…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWilmslow, United KingdomHQ recorded Sep 28, 20261,001-5,000291 contacts →

Exact match

“The Citation Group offer unrivalled compliance and quality services to over businesses across the UK, Australia, New Zealand, and Canada.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200214 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchDoha, United KingdomHQ recorded Sep 28, 202651-200125 contacts →

Exact match

“Global Counsel is an advisory firm that works with clients to navigate the critical area between business, politics and policymaking.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchStevenage, United KingdomHQ recorded Sep 28, 202651-200102 contacts →

Exact match

“Global experts in quality assurance & GxP compliance across pharmaceutical, biotech & medical device manufacturing supply chains Who is Rephine?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLetchworth Garden City, United KingdomHQ recorded Sep 28, 202651-20098 contacts →

Exact match

“Bringing your product to market is complex; DLRC helps simplify the journey.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchEarby, United KingdomHQ recorded Sep 28, 202651-20096 contacts →

Exact match

“Broughton is a global Contract Research Organisation (CRO) partnering with future-focused organisations to bring safe, high-quality products to market across the pharmaceutical…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchEpsom, United KingdomHQ recorded Sep 28, 202651-20089 contacts →

Exact match

“Leatherhead Food Research, part of Sagentia Regulatory (formerly TSG Consulting), is a leading provider of regulatory and scientific consultancy for the global food and beverage…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchHorsham, United KingdomHQ recorded Sep 28, 202651-20077 contacts →

Exact match

“Founded in 1986, Assurity Consulting is an independent workplace compliance consultancy specialising in health, safety and environmental solutions, partnering with responsible…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchCamberley, United KingdomHQ recorded Sep 28, 202651-20068 contacts →

Exact match

“ADAMAS Consulting is a global specialist consultancy offering a full range of independent GCP, GVP, GLP, CSC and GMP Quality Assurance and Quality Management services on a global…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBarnstaple, United KingdomHQ recorded Sep 28, 202651-20058 contacts →

Exact match

“JensonR+ is a technical consultancy with a simple mission; we aim to promote better health through simplifying the journey from innovation to the marketplace.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchCamberley, United KingdomHQ recorded Sep 28, 202611-5057 contacts →

Exact match

“Delphic HSE was first established in 2005, and began trading in 2007.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchHull, United KingdomHQ recorded Sep 28, 202611-5056 contacts →

Exact match

“GMP Healthcare Ltd is a UK-based pharmaceutical manufacturing and consultancy partner supporting the pharmaceutical, medical device, and food supplements industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchGlasgow, United KingdomHQ recorded Sep 28, 202651-20050 contacts →

Exact match

“International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchCrewe, United KingdomHQ recorded Sep 28, 202611-5048 contacts →

Exact match

“At Boyds, our goal is to facilitate the translation of cutting-edge science into medicinal products which benefit patients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20045 contacts →

Exact match

“ABOUT US Who Are We?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchNorwich, United KingdomHQ recorded Sep 28, 202611-5044 contacts →

Exact match

“RPA is a leading, employee-owned, B Corp certified, professional services consultancy specialising in advising, assessing, and evaluating the impacts of public policy and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchGlasgow, United KingdomHQ recorded Sep 28, 202611-5035 contacts →

Exact match

“CS Lifesciences is an award-winning enterprise regulatory strategy consultancy, rated #1 in the US, and trusted by Fortune 500 companies, leading medtech firms, and diagnostics…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5034 contacts →

Exact match

“Infrastructure Matters is your strategic partner for securing early-stage approvals on complex infrastructure projects, with pinpoint precision.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20034 contacts →

Exact match

“Our expert consultants help regulated businesses navigate a changing world with confidence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchGuildford, United KingdomHQ recorded Sep 28, 202651-20033 contacts →

Exact match

“Helixr is a business consultancy known for delivering results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchNewcastle Emlyn, United KingdomHQ recorded Sep 28, 202611-5032 contacts →

Exact match

“Who We Are RHE is a company that delivers consulting, training and innovative technical and financial solutions for environmental and public health professionals, regulators and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 966 international regulatory consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International regulatory consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026
44.8%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
29.7%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
747
11-50
167
51-200
38
201-500
4
501-1,000
1
1,001-5,000
5

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 966 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with the United Kingdom whose business descriptions match “international regulatory consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 3,531 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

International regulatory consulting firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “international regulatory consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 966 company matches for international regulatory consulting firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Ideagen tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most international regulatory consulting firms?

London leads with 287 company records, followed by Manchester (21) and Cambridge (16).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,531 professional contacts with verified work emails tracked across these 966 companies; direct dials are available where recorded.

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 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.