Company lists · Data refreshed November 2026

Top 25 Trial protocol development services worldwide

RevenueBase identified 1,012 company matches for trial protocol development services worldwide as of November 2026 and tracks 76,577 professional contacts across them, including 33,572 with verified work emails. The United States is the largest market and Miami the largest hub.

This list covers company matches for trial protocol development services worldwide, 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 November 6, 2026. Country and city lists for trial protocol development services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,012Companies
76,577Contacts tracked
33,572Verified emails
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The 25 largest trial protocol development services worldwide

Ranked by team size
Top 25 of 1,012 company matches for trial protocol development services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 202610001+20,436 contacts →

Exact match

“Parexel is a leading global clinical research organization (CRO) providing insights-driven Clinical and Consulting solutions to the world’s life sciences industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWilmington, NC, United StatesHQ recorded Nov 6, 202610001+19,955 contacts →

Exact match

“PPD is part of Thermo Fisher Scientific, the world leader in serving science.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchResearch Triangle Park, NC, United StatesHQ recorded Nov 6, 202610001+11,174 contacts →

Exact match

“Fortrea (Nasdaq: FTRE) is a leading global clinical research organization (CRO) dedicated to providing innovative clinical development solutions to the life sciences industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMorrisville, NC, United StatesHQ recorded Nov 6, 20261,001-5,0002,732 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026501-1,0001,383 contacts →

Exact match

“We partner with innovator and generic companies using our high-quality infrastructure and a global network of clinical trial sites, to launch novel therapies and new products for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLincoln, United StatesHQ recorded Nov 6, 20261,001-5,0001,172 contacts →

Exact match

“Celerion, a leader in early clinical research, delivers Applied Translational Medicine.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 20261,001-5,000745 contacts →

Exact match

“Caidya is a multi-therapeutic clinical research organization (CRO) serving innovators worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 2026201-500599 contacts →

Exact match

“Pharma Medica Research is a full service early phase contract research organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGuildford, United KingdomHQ recorded Nov 6, 20261,001-5,000560 contacts →

Exact match

“Established in 1997, Ergomed is a global leader in delivering specialized services in oncology, rare disease, and complex trials to the pharmaceutical and biotech sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHangzhou, ChinaHQ recorded Nov 6, 20265,001-10,000557 contacts →

Exact match

“Tigermed (Stock code: 300347.SZ/3347.HK) is a leading provider of innovative clinical research solutions across the full life cycle of biopharmaceutical and medical device…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500551 contacts →

Exact match

“AXIS Clinicals Limited is one of the most experienced and fastest growing Clinical Research Organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAdelaide, AustraliaHQ recorded Nov 6, 2026201-500446 contacts →

Exact match

“Avance Clinical is a full-service Contract Research Organization (CRO) headquartered in Australia, with extensive operations across New Zealand, Asia, North America, and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOsaka, CA, JapanHQ recorded Nov 6, 2026501-1,000301 contacts →

Exact match

“Linical is a global Contract Research Organization (CRO) for full-service drug development, with a proven record of helping biopharmaceutical companies successfully navigate the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000286 contacts →

Exact match

“Accellacare delivers clinical trial services to pharmaceutical, biotechnology, medical device industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChennai, IndiaHQ recorded Nov 6, 2026201-500266 contacts →

Exact match

“Azidus is a full service clinical research organization catering to the technical needs of pharmaceutical and biotechnology industries for the conduct of BA/BE studies, Clinical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEdmonton, CanadaHQ recorded Nov 6, 2026201-500241 contacts →

Exact match

“TRIO is a unique, full-service oncology clinical research organization (CRO) that leverages the strengths of our worldwide network of Investigators, academic leaders, patient…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200236 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026201-500235 contacts →

Exact match

“Since 2005, KlinEra has partnered with some of the largest pharmaceutical, biotech and device companies, providing innovative and customized clinical trial and research services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBaar, SwitzerlandHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“Accelsiors is an end-to-end clinical research organization that has empowered biopharmaceutical companies for over two decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026201-500176 contacts →

Exact match

“M3 Wake Research is a premier clinical trial network that has been conducting studies since 1984.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDallas, United StatesHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“Cromos Pharma is a US-based, international contract research organization delivering fully integrated clinical research solutions, in all trial phases, across a wide range of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSomerset, NJ, United StatesHQ recorded Nov 6, 2026201-500163 contacts →

Exact match

“Harvest Integrated Research Organization (HiRO) is a globally oriented, innovative clinical research organization (CRO).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOrlando, TN, United StatesHQ recorded Nov 6, 202651-200162 contacts →

Exact match

“CNS Healthcare is dedicated to advancing safe and effective pharmaceuticals that improve the quality of healthcare worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Accelerate Clinical Trials with Diverse Expertise and Global Reach TASK: Your Partner for Efficient, High-Quality Clinical Research TASK is a leading multinational, multi-site…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAmman, JordanHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“Established in 1993, as the first CRO in Jordan, PRU has been providing biopharmaceutical services for over two decades to more than a hundred pharmaceuticals throughout Europe…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,012 trial protocol development services worldwide

See the full list, filter by size, metro and specialty, and access 33,572 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Trial protocol development services worldwide at a glance

As of Nov 6, 2026
43.8%Verified-email coverage
75.7Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Miami
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
461
11-50
349
51-200
145
201-500
28
501-1,000
9
1,001-5,000
11
5,001-10,000
1
10001+
6

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for trial protocol development services are linked below.
What qualifies
Company records worldwide whose business descriptions match “trial protocol development services” 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. 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 33,572 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 November 6, 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.

Trial protocol development services by location

6 lists · largest first

Every Trial protocol development services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “trial protocol development services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many trial protocol development services are there worldwide?

RevenueBase identified 1,012 company matches for trial protocol development services worldwide as of November 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?

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

Which country has the most trial protocol development services?

The United States leads with 427 companies, followed by India (88) and the United Kingdom (38). Every trial protocol development services list by country and city is linked on this page.

Which city has the most trial protocol development services?

Miami leads with 20 company records, followed by Bangalore (11) and London (11).

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 33,572 professional contacts with verified work emails tracked across these 1,012 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 November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.