Company lists · Data refreshed August 2026
Top 25 Clinical trial staffing based in the United Kingdom
RevenueBase identified 192 company matches for clinical trial staffing associated with the United Kingdom as of August 2026 and tracks 8,324 professional contacts across them, including 3,789 with verified work emails and 1,646 with mobile numbers. London is the largest hub.
This list covers company matches for clinical trial staffing 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 August 31, 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 staffing based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,637 contacts → | ||||
Exact match “Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 1,197 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 623 contacts → | ||||
Exact match “Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 560 contacts → | ||||
Exact match “Pharm-Olam is now Allucent.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 457 contacts → | ||||
Exact match “Calyx and Invicro are now Perceptive!” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 332 contacts → | ||||
Exact match “Global Reach; Local Expertise Headquartered in Paramus, New Jersey, USA with offices in Singapore, Denmark, UK, and India, our exceptional team of 500+ professionals serves…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 286 contacts → | ||||
Exact match “We are now Fortrea.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 203 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 168 contacts → | ||||
Exact match “Scout proudly celebrates over 30 years of empowering clinical trials with people-first solutions and industry-leading tech.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 11 | 98 contacts → | ||||
Exact match “As a global Contract Research Organization (CRO), we offer a diverse slate of Clinical Development and Resourcing solutions reflecting both Full-service CRO and Functional Service…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 12 | 87 contacts → | ||||
Exact match “great people, great work, real results Sequani’s heritage spans more than 50 years when a company called Toxicol Laboratories opened for business in London.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 13 | 77 contacts → | ||||
Exact match “We specialise in life science recruitment, permanent and contract and research facility management and consultancy services.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 14 | 55 contacts → | ||||
Exact match “At Proclinical we help to fuel the growth of the life sciences industry globally.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 15 | 47 contacts → | ||||
Exact match “Hyper Recruitment Solutions (HRS) is an award-winning Life Science recruitment consultancy, dedicated to supporting global partners.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 16 | 46 contacts → | ||||
Exact match “Our expertise supports clinical trials in over 150 countries worldwide.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 17 | 46 contacts → | ||||
Exact match “Blackfield Associates works in partnership with our clients to identify and deliver the right staffing solution to support contract, permanent and managed work programmes.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 18 | 39 contacts → | ||||
Exact match “Niche Science & Technology Ltd has provided a comprehensive clinical research service to a growing number of pharmaceutical clients since its inception in 1998.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 19 | 39 contacts → | ||||
Exact match “Seven Life Sciences has been set up with a very specific ambition in mind, to become the company Pharmaceutical, Medical Devices, Biotech and Clinical companies come to and trust…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “We are delighted to be a part of Coronado Research.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 21 | 33 contacts → | ||||
Exact match “ARG is now part of Evestia Clinical.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “Clinvigilant Research is a leading provider of comprehensive services to the life sciences industry, specializing in Contract Research Organization (CRO) services, eClinical…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “Wren Healthcare is a leading provider of home healthcare and nursing services for conventional, hybrid and remote clinical trials.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “Founded in 2017, Verbatim Pharma is a specialist recruitment partner built exclusively for the global Pharma Services industry.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “X4 Life Sciences partner with businesses across the entire life sciences spectrum, from early-stage R&D to commercial enterprises to provide world-class talent solutions.” Recorded in the RevenueBase company graph · Aug 31, 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 staffing”. 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 192 clinical trial staffing based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 3,789 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clinical trial staffing based in the United Kingdom at a glance
As of Aug 31, 2026Companies by employee count
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 staffing” 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 3,789 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 August 31, 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 staffing 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 staffing”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clinical trial staffing are there based in the United Kingdom?
RevenueBase identified 192 company matches for clinical trial staffing associated with the United Kingdom as of August 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?
Premier Research tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clinical trial staffing?
London leads with 69 company records, followed by Manchester (8) and Glasgow (6).
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 3,789 professional contacts with verified work emails tracked across these 192 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 192 clinical trial staffing based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Clinical trial staffing by geography
- Clinical trial staffing based in the United States
- Clinical trial staffing based in Germany
- Clinical trial staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland
- Clinical trial staffing based in Spain
- Clinical trial staffing based in the Netherlands
- Clinical trial staffing based in Belgium
- Clinical trial staffing based in Switzerland
- Clinical trial staffing based in Ahmedabad, India
- Clinical trial staffing based in Bangalore, India
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 staffing based in the United States
- Clinical trial staffing based in Germany
- Clinical trial staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland
Company intelligence · public preview
Top 25 clinical trial staffing 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 192 matching company records for clinical trial staffing based in the United Kingdom, with 8,324 tracked contacts and 3,789 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: August 31, 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 staffing 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 |  Premier Researchpremier-research.comHQ: HQ not recorded; location: Wokingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Wokingham, United Kingdom | 1,001-5,000 | Exact match | 2,637 contacts → |
“Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Perceptive INCperceptive.comHQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 1,197 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Endpoint Clinicalendpointclinical.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 623 contacts → |
“Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pharm-Olam, LLCallucent.comHQ: HQ not recorded; location: Bracknell, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Bracknell, United Kingdom | 501-1,000 | Exact match | 560 contacts → |
“Pharm-Olam is now Allucent.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  CALYXcalyx.aiHQ: HQ not recorded; location: Nottingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Nottingham, United Kingdom | 1,001-5,000 | Exact match | 457 contacts → |
“Calyx and Invicro are now Perceptive!” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Tech Observertech-observer.comHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Manchester, United Kingdom | 501-1,000 | Exact match | 332 contacts → |
“Global Reach; Local Expertise Headquartered in Paramus, New Jersey, USA with offices in Singapore, Denmark, UK, and India, our exceptional team of 500+ professionals serves…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Simbec-Orionsimbecorion.comHQ: HQ not recorded; location: Tydfil, United KingdomReported employees: 201-500 | HQ not recorded; location: 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Theorem NOW Fortreafortrea.comHQ: HQ not recorded; location: Slough, United KingdomReported employees: 10001+ | HQ not recorded; location: Slough, United Kingdom | 10001+ | Exact match | 286 contacts → |
“We are now Fortrea.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Richmond Pharmacologyrichmondpharmacology.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SCOUTscoutclinical.comHQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 168 contacts → |
“Scout proudly celebrates over 30 years of empowering clinical trials with people-first solutions and industry-leading tech.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Clinirxclinirx.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“As a global Contract Research Organization (CRO), we offer a diverse slate of Clinical Development and Resourcing solutions reflecting both Full-service CRO and Functional Service…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sequanisequani.comHQ: HQ not recorded; location: Ledbury, United KingdomReported employees: 51-200 | HQ not recorded; location: Ledbury, United Kingdom | 51-200 | Exact match | 87 contacts → |
“great people, great work, real results Sequani’s heritage spans more than 50 years when a company called Toxicol Laboratories opened for business in London.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Agenda Life Sciencesagendalifesciences.comHQ: HQ not recorded; location: None, United KingdomReported employees: 51-200 | HQ not recorded; location: None, United Kingdom | 51-200 | Exact match | 77 contacts → |
“We specialise in life science recruitment, permanent and contract and research facility management and consultancy services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Proclinical Groupproclinical.comHQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 55 contacts → |
“At Proclinical we help to fuel the growth of the life sciences industry globally.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Hyper Recruitment Solutionshyperec.comHQ: HQ not recorded; location: Loughton, United KingdomReported employees: 11-50 | HQ not recorded; location: Loughton, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Hyper Recruitment Solutions (HRS) is an award-winning Life Science recruitment consultancy, dedicated to supporting global partners.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Woodley Trial Solutionswoodleytrialsolutions.comHQ: HQ not recorded; location: Bolton, United KingdomReported employees: 51-200 | HQ not recorded; location: Bolton, United Kingdom | 51-200 | Exact match | 46 contacts → |
“Our expertise supports clinical trials in over 150 countries worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Blackfield Associatesblackfieldassociates.comHQ: HQ not recorded; location: Portsmouth, United KingdomReported employees: 11-50 | HQ not recorded; location: Portsmouth, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Blackfield Associates works in partnership with our clients to identify and deliver the right staffing solution to support contract, permanent and managed work programmes.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Niche Science & Technology LTDniche.org.ukHQ: HQ not recorded; location: Richmond, United KingdomReported employees: 11-50 | HQ not recorded; location: Richmond, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Niche Science & Technology Ltd has provided a comprehensive clinical research service to a growing number of pharmaceutical clients since its inception in 1998.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Seven Life Sciencessevenlife.scienceHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Seven Life Sciences has been set up with a very specific ambition in mind, to become the company Pharmaceutical, Medical Devices, Biotech and Clinical companies come to and trust…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  POP Sciencepop-science.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“We are delighted to be a part of Coronado Research.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Atlantic Research Groupatlanticresearchgroup.comHQ: HQ not recorded; location: Leatherhead, United KingdomReported employees: 51-200 | HQ not recorded; location: Leatherhead, United Kingdom | 51-200 | Exact match | 33 contacts → |
“ARG is now part of Evestia Clinical.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Clinvigilant Researchclinvigilant.comHQ: HQ not recorded; location: Dartford, United KingdomReported employees: 51-200 | HQ not recorded; location: Dartford, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Clinvigilant Research is a leading provider of comprehensive services to the life sciences industry, specializing in Contract Research Organization (CRO) services, eClinical…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Wren Healthcarewrenhc.comHQ: HQ not recorded; location: Sandwich, United KingdomReported employees: 51-200 | HQ not recorded; location: Sandwich, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Wren Healthcare is a leading provider of home healthcare and nursing services for conventional, hybrid and remote clinical trials.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Verbatim Pharmaverbatimpharma.comHQ: HQ not recorded; location: Berkhamsted, United KingdomReported employees: 11-50 | HQ not recorded; location: Berkhamsted, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Founded in 2017, Verbatim Pharma is a specialist recruitment partner built exclusively for the global Pharma Services industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  X4 Life Sciencesx4lifesciences.comHQ: HQ not recorded; location: Torquay, United KingdomReported employees: 51-200 | HQ not recorded; location: Torquay, United Kingdom | 51-200 | Exact match | 20 contacts → |
“X4 Life Sciences partner with businesses across the entire life sciences spectrum, from early-stage R&D to commercial enterprises to provide world-class talent solutions.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 192 company matches
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Clinical trial staffing: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
190 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 staffing by metro
Questions about this company list
What does Exact match mean for clinical trial staffing?
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 staffing did RevenueBase find based in the United Kingdom?
The saved snapshot records 192 matching company records, 8,324 tracked contacts and 3,789 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: August 31, 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 staffing by geography
- Clinical trial staffing based in the United States
- Clinical trial staffing based in Germany
- Clinical trial staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland
- Clinical trial staffing based in Spain
- Clinical trial staffing based in the Netherlands
- Clinical trial staffing based in Belgium
- Clinical trial staffing based in Switzerland
- Clinical trial staffing based in Ahmedabad, India
- Clinical trial staffing based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 clinical trial staffing based in the United Kingdom. Snapshot: August 31, 2026. https://revenuebase.ai/companies/clinical-trial-staffing/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 staffing based in the United States
- Clinical trial staffing based in Germany
- Clinical trial staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland
Company intelligence · public preview
Top 25 clinical trial staffing based in the United Kingdom
RevenueBase records 192 matching company records for clinical trial staffing based in the United Kingdom, with 8,324 tracked contacts and 3,789 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: August 31, 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 staffing 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 | Premier Researchpremier-research.com HQ: HQ not recorded; location: Wokingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Wokingham, United Kingdom | 1,001-5,000 | Exact match | 2,637 contacts → |
“Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Perceptive INCperceptive.com HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 1,197 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Endpoint Clinicalendpointclinical.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 623 contacts → |
“Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pharm-Olam, LLCallucent.com HQ: HQ not recorded; location: Bracknell, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Bracknell, United Kingdom | 501-1,000 | Exact match | 560 contacts → |
“Pharm-Olam is now Allucent.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | CALYXcalyx.ai HQ: HQ not recorded; location: Nottingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Nottingham, United Kingdom | 1,001-5,000 | Exact match | 457 contacts → |
“Calyx and Invicro are now Perceptive!” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tech Observertech-observer.com HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Manchester, United Kingdom | 501-1,000 | Exact match | 332 contacts → |
“Global Reach; Local Expertise Headquartered in Paramus, New Jersey, USA with offices in Singapore, Denmark, UK, and India, our exceptional team of 500+ professionals serves…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Simbec-Orionsimbecorion.com HQ: HQ not recorded; location: Tydfil, United KingdomReported employees: 201-500 | HQ not recorded; location: 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Theorem NOW Fortreafortrea.com HQ: HQ not recorded; location: Slough, United KingdomReported employees: 10001+ | HQ not recorded; location: Slough, United Kingdom | 10001+ | Exact match | 286 contacts → |
“We are now Fortrea.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Richmond Pharmacologyrichmondpharmacology.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SCOUTscoutclinical.com HQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 168 contacts → |
“Scout proudly celebrates over 30 years of empowering clinical trials with people-first solutions and industry-leading tech.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Clinirxclinirx.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“As a global Contract Research Organization (CRO), we offer a diverse slate of Clinical Development and Resourcing solutions reflecting both Full-service CRO and Functional Service…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sequanisequani.com HQ: HQ not recorded; location: Ledbury, United KingdomReported employees: 51-200 | HQ not recorded; location: Ledbury, United Kingdom | 51-200 | Exact match | 87 contacts → |
“great people, great work, real results Sequani’s heritage spans more than 50 years when a company called Toxicol Laboratories opened for business in London.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Agenda Life Sciencesagendalifesciences.com HQ: HQ not recorded; location: None, United KingdomReported employees: 51-200 | HQ not recorded; location: None, United Kingdom | 51-200 | Exact match | 77 contacts → |
“We specialise in life science recruitment, permanent and contract and research facility management and consultancy services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Proclinical Groupproclinical.com HQ: HQ not recorded; location: London, United KingdomReported employees: 201-500 | HQ not recorded; location: London, United Kingdom | 201-500 | Exact match | 55 contacts → |
“At Proclinical we help to fuel the growth of the life sciences industry globally.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hyper Recruitment Solutionshyperec.com HQ: HQ not recorded; location: Loughton, United KingdomReported employees: 11-50 | HQ not recorded; location: Loughton, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Hyper Recruitment Solutions (HRS) is an award-winning Life Science recruitment consultancy, dedicated to supporting global partners.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Woodley Trial Solutionswoodleytrialsolutions.com HQ: HQ not recorded; location: Bolton, United KingdomReported employees: 51-200 | HQ not recorded; location: Bolton, United Kingdom | 51-200 | Exact match | 46 contacts → |
“Our expertise supports clinical trials in over 150 countries worldwide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Blackfield Associatesblackfieldassociates.com HQ: HQ not recorded; location: Portsmouth, United KingdomReported employees: 11-50 | HQ not recorded; location: Portsmouth, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Blackfield Associates works in partnership with our clients to identify and deliver the right staffing solution to support contract, permanent and managed work programmes.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Niche Science & Technology LTDniche.org.uk HQ: HQ not recorded; location: Richmond, United KingdomReported employees: 11-50 | HQ not recorded; location: Richmond, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Niche Science & Technology Ltd has provided a comprehensive clinical research service to a growing number of pharmaceutical clients since its inception in 1998.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Seven Life Sciencessevenlife.science HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Seven Life Sciences has been set up with a very specific ambition in mind, to become the company Pharmaceutical, Medical Devices, Biotech and Clinical companies come to and trust…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | POP Sciencepop-science.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 37 contacts → |
“We are delighted to be a part of Coronado Research.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Atlantic Research Groupatlanticresearchgroup.com HQ: HQ not recorded; location: Leatherhead, United KingdomReported employees: 51-200 | HQ not recorded; location: Leatherhead, United Kingdom | 51-200 | Exact match | 33 contacts → |
“ARG is now part of Evestia Clinical.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clinvigilant Researchclinvigilant.com HQ: HQ not recorded; location: Dartford, United KingdomReported employees: 51-200 | HQ not recorded; location: Dartford, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Clinvigilant Research is a leading provider of comprehensive services to the life sciences industry, specializing in Contract Research Organization (CRO) services, eClinical…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wren Healthcarewrenhc.com HQ: HQ not recorded; location: Sandwich, United KingdomReported employees: 51-200 | HQ not recorded; location: Sandwich, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Wren Healthcare is a leading provider of home healthcare and nursing services for conventional, hybrid and remote clinical trials.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Verbatim Pharmaverbatimpharma.com HQ: HQ not recorded; location: Berkhamsted, United KingdomReported employees: 11-50 | HQ not recorded; location: Berkhamsted, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Founded in 2017, Verbatim Pharma is a specialist recruitment partner built exclusively for the global Pharma Services industry.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | X4 Life Sciencesx4lifesciences.com HQ: HQ not recorded; location: Torquay, United KingdomReported employees: 51-200 | HQ not recorded; location: Torquay, United Kingdom | 51-200 | Exact match | 20 contacts → |
“X4 Life Sciences partner with businesses across the entire life sciences spectrum, from early-stage R&D to commercial enterprises to provide world-class talent solutions.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 192 company matches
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Clinical trial staffing: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
190 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 staffing by metro
Questions about this company list
What does Exact match mean for clinical trial staffing?
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 staffing did RevenueBase find based in the United Kingdom?
The saved snapshot records 192 matching company records, 8,324 tracked contacts and 3,789 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: August 31, 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 staffing by geography
- Clinical trial staffing based in the United States
- Clinical trial staffing based in Germany
- Clinical trial staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland
- Clinical trial staffing based in Spain
- Clinical trial staffing based in the Netherlands
- Clinical trial staffing based in Belgium
- Clinical trial staffing based in Switzerland
- Clinical trial staffing based in Ahmedabad, India
- Clinical trial staffing based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 clinical trial staffing based in the United Kingdom. Snapshot: August 31, 2026. https://revenuebase.ai/companies/clinical-trial-staffing/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 staffing based in Canada
- Clinical trial staffing based in France
- Clinical trial staffing based in Australia
- Clinical trial staffing based in Poland