Company lists · Data refreshed October 2026

Top 25 Clinical trial pr agencies based in the United Kingdom

RevenueBase identified 89 company matches for clinical trial pr agencies associated with the United Kingdom as of October 2026 and tracks 3,813 professional contacts across them, including 1,545 with verified work emails. London is the largest hub.

This list covers company matches for clinical trial pr agencies 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 October 9, 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 Oct 9, 2026 How this list was built
89Companies
3,813Contacts tracked
1,545Verified emails
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The 25 largest clinical trial pr agencies based in the United Kingdom

Ranked by team size
Top 25 of 89 company matches for clinical trial pr agencies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 matchMacclesfield, United KingdomHQ recorded Oct 9, 2026501-1,000701 contacts →

Exact match

“We reinvent medical communications to solve your toughest challenges.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchOxford, United KingdomHQ recorded Oct 9, 2026501-1,000505 contacts →

Exact match

“Today's most complex therapies in oncology, rare disease and specialty biologics have evidence journeys that are long and stakeholders that are sophisticated.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 9, 2026201-500238 contacts →

Exact match

“Welcome to Langland.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 9, 2026201-500124 contacts →

Exact match

“Big agencies deliver scale and diverse expertise.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchShoreditch, United KingdomHQ recorded Oct 9, 202651-200112 contacts →

Exact match

“We are a global Healthcare PR and Medical Communications agency.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchLetchworth Garden City, United KingdomHQ recorded Oct 9, 202651-200100 contacts →

Exact match

“Innovative Trials was built around a simple belief, patient recruitment works better when people feel supported.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchPlumley, United KingdomHQ recorded Oct 9, 202651-20050 contacts →

Exact match

“Meridian HealthComms is a specialist communications agency providing medical communications services to meet your needs.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchCambridge, United KingdomHQ recorded Oct 9, 202651-20049 contacts →

Exact match

“We are the original patient communications agency specialising in clinical trial engagement and healthcare communications for patients and HCPs.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20047 contacts →

Exact match

“Protas is transforming clinical trials for the benefit of patients worldwide.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchBelfast, United KingdomHQ recorded Oct 9, 202611-5047 contacts →

Exact match

“ARC's purpose is to expedite access to precision medicine clinical trials for patients globally.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20041 contacts →

Exact match

“Ellipses Pharma is an international drug development company, focused exclusively on the advancement of innovative cancer treatments through the clinic.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5031 contacts →

Exact match

“At Spark, we’ve spent the last 25 years helping ambitious tech and life sciences companies craft PR campaigns, comms strategy and content that don’t just make noise, they make…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchAmersham, United KingdomHQ recorded Oct 9, 202611-5026 contacts →

Exact match

“With over 28 years of experience and a refreshed identity, AMC (formerly Ashley Medical Communications) delivers strategic medical communications that bring science to life.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchHaywards Heath, United KingdomHQ recorded Oct 9, 202611-5023 contacts →

Exact match

“Beyond PR is an independent specialist healthcare PR and communications agency.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-1021 contacts →

Exact match

“We are a life sciences communications consultancy specializing in new product strategic planning and communications.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5019 contacts →

Exact match

“De Facto is a full-service agency with an international reach providing specialist communications consulting to the healthcare and life science sectors.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5017 contacts →

Exact match

“We are a marketing and communications agency with a focus on bringing innovative science to life, through digital marketing, branding and PR.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-1012 contacts →

Exact match

“We are a healthcare communications agency founded upon the Power Of Partnerships (POP).”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchAlderley Edge, United KingdomHQ recorded Oct 9, 202611-5012 contacts →

Exact match

“Matrix unlocks access to medicines for use in global clinical trials.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchEpsom, United KingdomHQ recorded Oct 9, 20261-1010 contacts →

Exact match

“Trinity Public Relations (TPR) is an independent healthcare PR agency originally founded by three media professionals - bringing together a wealth of experience from both the…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-108 contacts →

Exact match

“Hello!”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchGodalming, United KingdomHQ recorded Oct 9, 20261-108 contacts →

Exact match

“Mearns & Pike is a strategic marketing communications and public and professional relations agency working with organisations and brands with a healthcare focus.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchKingston Upon Thames, United KingdomHQ recorded Oct 9, 202611-508 contacts →

Exact match

“IB Communications is a leading international communications agency specialising in healthcare and life sciences.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-508 contacts →

Exact match

“Elpida Clinical Trials is a clinical trials company, helping pharmaceutical companies bring exciting breakthrough treatments into mainstream medicine, through safe and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchEastbourne, United KingdomHQ recorded Oct 9, 20261-108 contacts →

Exact match

“We are a healthcare-focused creative agency composed of a wondrously diverse blend of creative thinkers, passionate about their craft.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 89 clinical trial pr agencies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,545 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical trial pr agencies based in the United Kingdom at a glance

As of Oct 9, 2026
40.5%Verified-email coverage
42.8Average contacts per company
11-50Median size (employees)
43.8%Largest-city concentration · London
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
23
51-200
16
201-500
4
501-1,000
3
1,001-5,000
2

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 89 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 “clinical trial pr agencies” 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 1,545 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 October 9, 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.

Clinical trial pr agencies 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 “clinical trial pr agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical trial pr agencies are there based in the United Kingdom?

RevenueBase identified 89 company matches for clinical trial pr agencies associated with the United Kingdom as of October 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?

Ashfield Medcomms, An Inizio Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most clinical trial pr agencies?

London leads with 39 company records, followed by Cambridge (4) and Exeter (2).

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 1,545 professional contacts with verified work emails tracked across these 89 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 October 9, 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.