Company lists · Data refreshed October 2026

Top 25 Clinical trial regulatory consultants based in the United States

RevenueBase identified 1,844 company matches for clinical trial regulatory consultants associated with the United States as of October 2026 and tracks 97,010 professional contacts across them, including 46,231 with verified work emails. Boston is the largest hub.

This list covers company matches for clinical trial regulatory consultants associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026.

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

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built
1,844Companies
97,010Contacts tracked
46,231Verified emails
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The 25 largest clinical trial regulatory consultants based in the United States

Ranked by team size
Top 25 of 1,844 company matches for clinical trial regulatory consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRaleigh, NC, United StatesHQ recorded Oct 9, 202610001+19,864 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 · Oct 9, 2026 · View company records in RevenueBase
2Exact matchWilmington, NC, United StatesHQ recorded Oct 9, 202610001+19,757 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchResearch Triangle Park, NC, United StatesHQ recorded Oct 9, 202610001+10,915 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 · Oct 9, 2026 · View company records in RevenueBase
4Exact matchResearch Triangle Park, NC, United StatesHQ recorded Oct 9, 20261,001-5,0003,794 contacts →

Exact match

“Worldwide Clinical Trials (Worldwide) is a global CRO serving development-driven biopharmaceutical companies, with more than 4,400 professionals operating across more than 70…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchMorrisville, NC, United StatesHQ recorded Oct 9, 20261,001-5,0002,670 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 · Oct 9, 2026 · View company records in RevenueBase
6Exact matchRaleigh, NC, United StatesHQ recorded Oct 9, 20261,001-5,0002,144 contacts →

Exact match

“At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchBlue Bell, PA, United StatesHQ recorded Oct 9, 20261,001-5,0002,127 contacts →

Exact match

“For 25+ years, Signant Health has been pioneering solutions and methodologies that propel clinical research programs toward regulatory success.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchCambridge, MA, United StatesHQ recorded Oct 9, 20261,001-5,0001,574 contacts →

Exact match

“Cytel is the world’s leading data-science CRO, driving advancements in human health through robust analytics and innovative clinical trial software.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchCary, NC, United StatesHQ recorded Oct 9, 20261,001-5,0001,179 contacts →

Exact match

“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchCovington, KY, United StatesHQ recorded Oct 9, 20261,001-5,0001,102 contacts →

Exact match

“CTI Clinical Trial and Consulting Services is a global, privately held, research service organization, delivering a complete spectrum of clinical trial and consulting services…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchGaithersburg, MD, United StatesHQ recorded Oct 9, 20261,001-5,0001,001 contacts →

Exact match

“Navitas Life Sciences is a global Clinical Research partner with over 35 years of expertise in Clinical, Regulatory, Safety, and Data Management solutions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchRockville, MD, United StatesHQ recorded Oct 9, 20261,001-5,000945 contacts →

Exact match

“Emmes is a Contract Research Organization delivering complex clinical trials through therapeutic expertise, scientific rigor, and technology-enabled execution.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchDurham, NC, United StatesHQ recorded Oct 9, 20261,001-5,000927 contacts →

Exact match

“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchCanton, MI, United StatesHQ recorded Oct 9, 2026501-1,000913 contacts →

Exact match

“MMS Holdings (MMS) is an award-winning, data-focused clinical research organization (CRO) that supports the pharmaceutical and biotech industries with a proven, scientific…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchRaleigh, NC, United StatesHQ recorded Oct 9, 20261,001-5,000734 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchExton, PA, United StatesHQ recorded Oct 9, 20261,001-5,000728 contacts →

Exact match

“Frontage Laboratories is a US-based Contract Research Organization (CRO) that was initially established in New Jersey in April 2001 and later relocated to Pennsylvania in 2004.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchRaleigh, NC, United StatesHQ recorded Oct 9, 2026501-1,000627 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 · Oct 9, 2026 · View company records in RevenueBase
18Exact matchSouthborough, MA, United StatesHQ recorded Oct 9, 2026501-1,000493 contacts →

Exact match

“Veristat is the science-first full-service drug and biologic CRO and consultancy that integrates strategic planning, regulatory expertise, and clinical trial execution to rapidly…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchCoral Gables, FL, United StatesHQ recorded Oct 9, 2026501-1,000383 contacts →

Exact match

“Sitero is a next-generation, site-focused clinical research organization (CRO) for life sciences and institutional research organizations that helps get treatments to market safer…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchMarlborough, MA, United StatesHQ recorded Oct 9, 2026201-500323 contacts →

Exact match

“Avania is the only global CRO built for MedTech, integrating regulatory strategy, clinical development, and market access and reimbursement to take innovations from concept to…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchHampton, VA, United StatesHQ recorded Oct 9, 202651-200321 contacts →

Exact match

“Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchPrinceton, NJ, United StatesHQ recorded Oct 9, 2026201-500299 contacts →

Exact match

“Techsol Life Sciences is an integrated clinical development, medical affairs and post-marketing surveillance business solutions provider to global biopharmaceutical, medical…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchWilmington, NC, United StatesHQ recorded Oct 9, 20261,001-5,000273 contacts →

Exact match

“Catalyst Clinical Research is now Worldwide Clinical Trials.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchDowningtown, PA, United StatesHQ recorded Oct 9, 2026201-500247 contacts →

Exact match

“Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchMalvern, PA, United StatesHQ recorded Oct 9, 2026201-500229 contacts →

Exact match

“Our mission: To accelerate the availability of new, life-changing therapies for patients by partnering with global pharmaceutical companies to improve the quality and execution of…”

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

Showing 25 of 1,844 clinical trial regulatory consultants based in the United States

See the full list, filter by size, metro and specialty, and access 46,231 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical trial regulatory consultants based in the United States at a glance

As of Oct 9, 2026
47.7%Verified-email coverage
52.6Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · Boston
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
1,077
11-50
493
51-200
188
201-500
42
501-1,000
11
1,001-5,000
24
5,001-10,000
1
10001+
7

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,844 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 States whose business descriptions match “clinical trial regulatory consultants” 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 46,231 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.

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 regulatory consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical trial regulatory consultants are there based in the United States?

RevenueBase identified 1,844 company matches for clinical trial regulatory consultants associated with the United States 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?

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

Which city has the most clinical trial regulatory consultants?

Boston leads with 54 company records, followed by San Diego (43) and New York (40).

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 46,231 professional contacts with verified work emails tracked across these 1,844 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 2026.

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About this data

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