Company lists · Data refreshed October 2026
Top 25 Clinical trial communications agencies based in the United Kingdom
RevenueBase identified 324 company matches for clinical trial communications agencies associated with the United Kingdom as of October 2026 and tracks 15,689 professional contacts across them, including 6,435 with verified work emails. London is the largest hub.
This list covers company matches for clinical trial communications 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.
The 25 largest clinical trial communications agencies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,238 contacts → | ||||
Exact match “Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 701 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 | |||||
| 3 | 505 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 | |||||
| 4 | 464 contacts → | ||||
Exact match “We are a leading healthcare communications agency with a full-service global offering and 400 multi-disciplinary specialists in Manchester, London, and New York.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 424 contacts → | ||||
Exact match “Calyx and Invicro are now Perceptive!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 416 contacts → | ||||
Exact match “Clinigen combines market-leading clinical trial supplies such as packaging and labelling, global storage and distribution, comparator sourcing, as well as biological sample…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 386 contacts → | ||||
Exact match “Phastar is an award-winning specialist biometrics and data science CRO, trusted by pharma, biotech, and medical device companies worldwide.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 359 contacts → | ||||
Exact match “At WEP Clinical, we operate as a specialist CRO with a proven track record of excellence in designing, managing, and executing Clinical Trials, Expanded Access Programs (EAPs)…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 317 contacts → | ||||
Exact match “MAC Clinical Research is a leading full-service, global Contract Research Organisation (CRO) with over 30 years of experience in clinical trial management.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 308 contacts → | ||||
Exact match “Our passion for improving patients’ lives motivates us to apply our skills, experience, and knowledge to advance medicine.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 302 contacts → | ||||
Exact match “Amiculum is an independent healthcare consulting and communications agency with >300 talented team members in key locations worldwide.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 294 contacts → | ||||
Exact match “Driven by evidence and powered by innovation, we accelerate outcomes.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 238 contacts → | ||||
Exact match “Welcome to Langland.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 235 contacts → | ||||
Exact match “At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 229 contacts → | ||||
Exact match “hVIVO plc (Ticker: HVO) is a science‑led early‑phase drug development company purpose‑built to meet the growing complexity of modern clinical research.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 202 contacts → | ||||
Exact match “Helios Global Group is a family of award-winning agencies (Helios, Selene, Apollo and Cogentia), providing full-service healthcare communications expertise to some of the world’s…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 195 contacts → | ||||
Exact match “Illingworth Research Group™, a Syneos Health® company, is a leading provider of clinical research home health services, providing highly trained, qualified and experienced…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 183 contacts → | ||||
Exact match “Quanticate is a leading global data focused clinical research organisation (CRO) primarily focused on the management, analysis and reporting of data from clinical trials and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 147 contacts → | ||||
Exact match “Panthera is an independent SMO working with pharmaceutical and contract research organizations to find the right patient, for the right trial, at the right time through the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 137 contacts → | ||||
Exact match “Clintec, an IQVIA company, is an innovative, medium-sized, global Contract Research Organization providing global full and functional service support to the pharmaceutical…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 132 contacts → | ||||
Exact match “We’re on a mission to make life better for patients taking part in clinical trials around the world-and for the caregivers who support them.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 124 contacts → | ||||
Exact match “Big agencies deliver scale and diverse expertise.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 114 contacts → | ||||
Exact match “We believe that standout communication takes outstanding people.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 110 contacts → | ||||
Exact match “We are an award-winning, fully integrated medical communications agency that is 100% dedicated to creating standout communications in healthcare.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 108 contacts → | ||||
Exact match “The Medicines Evaluation Unit (MEU) Ltd, an IQVIA business, is one of the UK’s leading contract research organisations, a facility where commitment to excellence is paramount.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “clinical trial communications agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 324 clinical trial communications agencies based in the United Kingdom
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Clinical trial communications agencies based in the United Kingdom at a glance
As of Oct 9, 2026Companies by employee count
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 324 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 communications 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 6,435 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 communications 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 communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clinical trial communications agencies are there based in the United Kingdom?
RevenueBase identified 324 company matches for clinical trial communications 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?
Perceptive INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clinical trial communications agencies?
London leads with 112 company records, followed by Manchester (16) and Cambridge (9).
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 6,435 professional contacts with verified work emails tracked across these 324 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.
Ready to reach these companies? Verified emails and direct dials for all 324 clinical trial communications agencies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Clinical trial communications agencies by geography
- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland
- Clinical trial communications agencies based in Madrid, Spain
- Clinical trial communications agencies based in London, United Kingdom
- Clinical trial communications agencies based in Atlanta, United States
- Clinical trial communications agencies based in Boston, United States
- Clinical trial communications agencies based in Houston, United States
- Clinical trial communications agencies based in Miami, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland
Company intelligence · public preview
Top 25 clinical trial communications agencies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 324 matching company records for clinical trial communications agencies based in the United Kingdom, with 15,689 tracked contacts and 6,435 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clinical trial communications agencies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Perceptive INCperceptive.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,238 contacts → |
“Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ashfield Medcomms, An Inizio Companyashfieldmedcomms.comHQ: Macclesfield, United KingdomReported employees: 501-1,000 | Macclesfield, United Kingdom | 501-1,000 | Exact match | 701 contacts → |
“We reinvent medical communications to solve your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Oxford Pharmagenesispharmagenesis.comHQ: Oxford, United KingdomReported employees: 501-1,000 | Oxford, United Kingdom | 501-1,000 | Exact match | 505 contacts → |
“Today's most complex therapies in oncology, rare disease and specialty biologics have evidence journeys that are long and stakeholders that are sophisticated.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Havas Lynxhavaslynx.comHQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 464 contacts → |
“We are a leading healthcare communications agency with a full-service global offering and 400 multi-disciplinary specialists in Manchester, London, and New York.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  CALYXcalyx.aiHQ: Nottingham, United KingdomReported employees: 1,001-5,000 | Nottingham, United Kingdom | 1,001-5,000 | Exact match | 424 contacts → |
“Calyx and Invicro are now Perceptive!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clinigen Clinical Supplies Managementclinigen.comHQ: Burton-on-trent, United KingdomReported employees: 501-1,000 | Burton-on-trent, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“Clinigen combines market-leading clinical trial supplies such as packaging and labelling, global storage and distribution, comparator sourcing, as well as biological sample…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Phastarphastar.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Phastar is an award-winning specialist biometrics and data science CRO, trusted by pharma, biotech, and medical device companies worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  WEP Clinicalwepclinical.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 359 contacts → |
“At WEP Clinical, we operate as a specialist CRO with a proven track record of excellence in designing, managing, and executing Clinical Trials, Expanded Access Programs (EAPs)…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MAC Clinical Researchmacplc.comHQ: Blackpool, United KingdomReported employees: 201-500 | Blackpool, United Kingdom | 201-500 | Exact match | 317 contacts → |
“MAC Clinical Research is a leading full-service, global Contract Research Organisation (CRO) with over 30 years of experience in clinical trial management.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Simbec-Orionsimbecorion.comHQ: Merthyr Tydfil, United KingdomReported employees: 201-500 | Merthyr Tydfil, United Kingdom | 201-500 | Exact match | 308 contacts → |
“Our passion for improving patients’ lives motivates us to apply our skills, experience, and knowledge to advance medicine.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Amiculumamiculum.bizHQ: Bollington, United KingdomReported employees: 201-500 | Bollington, United Kingdom | 201-500 | Exact match | 302 contacts → |
“Amiculum is an independent healthcare consulting and communications agency with >300 talented team members in key locations worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Apothecom, An Inizio Companyapothecom.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 294 contacts → |
“Driven by evidence and powered by innovation, we accelerate outcomes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Langlandpublicislangland.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 238 contacts → |
“Welcome to Langland.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Richmond Pharmacologyrichmondpharmacology.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 235 contacts → |
“At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  HVIVOhvivo.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 229 contacts → |
“hVIVO plc (Ticker: HVO) is a science‑led early‑phase drug development company purpose‑built to meet the growing complexity of modern clinical research.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Helios Global Groupheliosglobalgroup.comHQ: Alderley Edge, United KingdomReported employees: 201-500 | Alderley Edge, United Kingdom | 201-500 | Exact match | 202 contacts → |
“Helios Global Group is a family of award-winning agencies (Helios, Selene, Apollo and Cogentia), providing full-service healthcare communications expertise to some of the world’s…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Illingworth Research Group A Syneos Health Companyillingworthresearch.comHQ: Macclesfield, United KingdomReported employees: 51-200 | Macclesfield, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Illingworth Research Group™, a Syneos Health® company, is a leading provider of clinical research home health services, providing highly trained, qualified and experienced…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Quanticatequanticate.comHQ: Hitchin, United KingdomReported employees: 201-500 | Hitchin, United Kingdom | 201-500 | Exact match | 183 contacts → |
“Quanticate is a leading global data focused clinical research organisation (CRO) primarily focused on the management, analysis and reporting of data from clinical trials and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Panthera Biopartnerspanthera-bio.comHQ: Preston, United KingdomReported employees: 11-50 | Preston, United Kingdom | 11-50 | Exact match | 147 contacts → |
“Panthera is an independent SMO working with pharmaceutical and contract research organizations to find the right patient, for the right trial, at the right time through the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Clintecclintec.comHQ: Glasgow, United KingdomReported employees: 501-1,000 | Glasgow, United Kingdom | 501-1,000 | Exact match | 137 contacts → |
“Clintec, an IQVIA company, is an innovative, medium-sized, global Contract Research Organization providing global full and functional service support to the pharmaceutical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mdgroupmdgroup.comHQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 132 contacts → |
“We’re on a mission to make life better for patients taking part in clinical trials around the world-and for the caregivers who support them.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AXONaxon-com.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 124 contacts → |
“Big agencies deliver scale and diverse expertise.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aspire Scientific LTDaspire-scientific.comHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 114 contacts → |
“We believe that standout communication takes outstanding people.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Havas Life Londonhavaslifelondon.comHQ: Thames Ditton, United KingdomReported employees: 51-200 | Thames Ditton, United Kingdom | 51-200 | Exact match | 110 contacts → |
“We are an award-winning, fully integrated medical communications agency that is 100% dedicated to creating standout communications in healthcare.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 108 contacts → |
“The Medicines Evaluation Unit (MEU) Ltd, an IQVIA business, is one of the UK’s leading contract research organisations, a facility where commitment to excellence is paramount.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 324 company matches
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Clinical trial communications agencies: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
323 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 324 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clinical trial communications agencies by metro
Questions about this company list
What does Exact match mean for clinical trial communications agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clinical trial communications agencies did RevenueBase find based in the United Kingdom?
The saved snapshot records 324 matching company records, 15,689 tracked contacts and 6,435 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clinical trial communications agencies by geography
- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland
- Clinical trial communications agencies based in Madrid, Spain
- Clinical trial communications agencies based in London, United Kingdom
- Clinical trial communications agencies based in Atlanta, United States
- Clinical trial communications agencies based in Boston, United States
- Clinical trial communications agencies based in Houston, United States
- Clinical trial communications agencies based in Miami, United States
Cite this list
RevenueBase Data Team. Top 25 clinical trial communications agencies based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clinical-trial-communications-agencies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland
Company intelligence · public preview
Top 25 clinical trial communications agencies based in the United Kingdom
RevenueBase records 324 matching company records for clinical trial communications agencies based in the United Kingdom, with 15,689 tracked contacts and 6,435 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clinical trial communications agencies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Perceptive INCperceptive.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,238 contacts → |
“Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ashfield Medcomms, An Inizio Companyashfieldmedcomms.com HQ: Macclesfield, United KingdomReported employees: 501-1,000 | Macclesfield, United Kingdom | 501-1,000 | Exact match | 701 contacts → |
“We reinvent medical communications to solve your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Oxford Pharmagenesispharmagenesis.com HQ: Oxford, United KingdomReported employees: 501-1,000 | Oxford, United Kingdom | 501-1,000 | Exact match | 505 contacts → |
“Today's most complex therapies in oncology, rare disease and specialty biologics have evidence journeys that are long and stakeholders that are sophisticated.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Havas Lynxhavaslynx.com HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 464 contacts → |
“We are a leading healthcare communications agency with a full-service global offering and 400 multi-disciplinary specialists in Manchester, London, and New York.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | CALYXcalyx.ai HQ: Nottingham, United KingdomReported employees: 1,001-5,000 | Nottingham, United Kingdom | 1,001-5,000 | Exact match | 424 contacts → |
“Calyx and Invicro are now Perceptive!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clinigen Clinical Supplies Managementclinigen.com HQ: Burton-on-trent, United KingdomReported employees: 501-1,000 | Burton-on-trent, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“Clinigen combines market-leading clinical trial supplies such as packaging and labelling, global storage and distribution, comparator sourcing, as well as biological sample…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Phastarphastar.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 386 contacts → |
“Phastar is an award-winning specialist biometrics and data science CRO, trusted by pharma, biotech, and medical device companies worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | WEP Clinicalwepclinical.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 359 contacts → |
“At WEP Clinical, we operate as a specialist CRO with a proven track record of excellence in designing, managing, and executing Clinical Trials, Expanded Access Programs (EAPs)…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MAC Clinical Researchmacplc.com HQ: Blackpool, United KingdomReported employees: 201-500 | Blackpool, United Kingdom | 201-500 | Exact match | 317 contacts → |
“MAC Clinical Research is a leading full-service, global Contract Research Organisation (CRO) with over 30 years of experience in clinical trial management.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Simbec-Orionsimbecorion.com HQ: Merthyr Tydfil, United KingdomReported employees: 201-500 | Merthyr Tydfil, United Kingdom | 201-500 | Exact match | 308 contacts → |
“Our passion for improving patients’ lives motivates us to apply our skills, experience, and knowledge to advance medicine.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Amiculumamiculum.biz HQ: Bollington, United KingdomReported employees: 201-500 | Bollington, United Kingdom | 201-500 | Exact match | 302 contacts → |
“Amiculum is an independent healthcare consulting and communications agency with >300 talented team members in key locations worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Apothecom, An Inizio Companyapothecom.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 294 contacts → |
“Driven by evidence and powered by innovation, we accelerate outcomes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Langlandpublicislangland.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 238 contacts → |
“Welcome to Langland.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Richmond Pharmacologyrichmondpharmacology.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 235 contacts → |
“At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HVIVOhvivo.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 229 contacts → |
“hVIVO plc (Ticker: HVO) is a science‑led early‑phase drug development company purpose‑built to meet the growing complexity of modern clinical research.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Helios Global Groupheliosglobalgroup.com HQ: Alderley Edge, United KingdomReported employees: 201-500 | Alderley Edge, United Kingdom | 201-500 | Exact match | 202 contacts → |
“Helios Global Group is a family of award-winning agencies (Helios, Selene, Apollo and Cogentia), providing full-service healthcare communications expertise to some of the world’s…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Illingworth Research Group A Syneos Health Companyillingworthresearch.com HQ: Macclesfield, United KingdomReported employees: 51-200 | Macclesfield, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Illingworth Research Group™, a Syneos Health® company, is a leading provider of clinical research home health services, providing highly trained, qualified and experienced…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Quanticatequanticate.com HQ: Hitchin, United KingdomReported employees: 201-500 | Hitchin, United Kingdom | 201-500 | Exact match | 183 contacts → |
“Quanticate is a leading global data focused clinical research organisation (CRO) primarily focused on the management, analysis and reporting of data from clinical trials and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Panthera Biopartnerspanthera-bio.com HQ: Preston, United KingdomReported employees: 11-50 | Preston, United Kingdom | 11-50 | Exact match | 147 contacts → |
“Panthera is an independent SMO working with pharmaceutical and contract research organizations to find the right patient, for the right trial, at the right time through the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Clintecclintec.com HQ: Glasgow, United KingdomReported employees: 501-1,000 | Glasgow, United Kingdom | 501-1,000 | Exact match | 137 contacts → |
“Clintec, an IQVIA company, is an innovative, medium-sized, global Contract Research Organization providing global full and functional service support to the pharmaceutical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mdgroupmdgroup.com HQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 132 contacts → |
“We’re on a mission to make life better for patients taking part in clinical trials around the world-and for the caregivers who support them.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AXONaxon-com.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 124 contacts → |
“Big agencies deliver scale and diverse expertise.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aspire Scientific LTDaspire-scientific.com HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 114 contacts → |
“We believe that standout communication takes outstanding people.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Havas Life Londonhavaslifelondon.com HQ: Thames Ditton, United KingdomReported employees: 51-200 | Thames Ditton, United Kingdom | 51-200 | Exact match | 110 contacts → |
“We are an award-winning, fully integrated medical communications agency that is 100% dedicated to creating standout communications in healthcare.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 108 contacts → |
“The Medicines Evaluation Unit (MEU) Ltd, an IQVIA business, is one of the UK’s leading contract research organisations, a facility where commitment to excellence is paramount.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 324 company matches
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Clinical trial communications agencies: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
323 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 324 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clinical trial communications agencies by metro
Questions about this company list
What does Exact match mean for clinical trial communications agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clinical trial communications agencies did RevenueBase find based in the United Kingdom?
The saved snapshot records 324 matching company records, 15,689 tracked contacts and 6,435 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clinical trial communications agencies by geography
- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland
- Clinical trial communications agencies based in Madrid, Spain
- Clinical trial communications agencies based in London, United Kingdom
- Clinical trial communications agencies based in Atlanta, United States
- Clinical trial communications agencies based in Boston, United States
- Clinical trial communications agencies based in Houston, United States
- Clinical trial communications agencies based in Miami, United States
Cite this list
RevenueBase Data Team. Top 25 clinical trial communications agencies based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clinical-trial-communications-agencies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Clinical trial communications agencies based in Toronto, Canada
- Clinical trial communications agencies based in Paris, France
- Clinical trial communications agencies based in Ahmedabad, India
- Clinical trial communications agencies based in Bangalore, India
- Clinical trial communications agencies based in Hyderabad, India
- Clinical trial communications agencies based in Warsaw, Poland