Company lists · Data refreshed September 2026

Top 25 Regulatory affairs consulting firms based in the United States

Name: Regulatory affairs consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 2,123 companies tracked

RevenueBase identified 2,123 company matches for regulatory affairs consulting firms associated with the United States as of September 2026 and tracks 20,922 professional contacts across them, including 8,731 with verified work emails and 7,595 with mobile numbers. Washington is the largest hub.

This list covers company matches for regulatory affairs consulting firms 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 September 5, 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 Sep 5, 2026 How this list was built

2,123Companies

20,922Contacts tracked

8,731Verified emails

7,595Mobile numbers

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The 25 largest regulatory affairs consulting firms based in the United States

Ranked by team size

Top 25 of 2,123 company matches for regulatory affairs consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Propharma	Exact match	Raleigh, NC, United StatesHQ recorded Sep 5, 2026	1,001-5,000	2,079 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 · Sep 5, 2026 · View company records in RevenueBase
2	Veristat	Exact match	Southborough, MA, United StatesHQ recorded Sep 5, 2026	501-1,000	367 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 · Sep 5, 2026 · View company records in RevenueBase
3	Registrar Corp	Exact match	Hampton, VA, United StatesHQ recorded Sep 5, 2026	51-200	317 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 · Sep 5, 2026 · View company records in RevenueBase
4	Techsol Life Sciences	Exact match	Princeton, NJ, United StatesHQ recorded Sep 5, 2026	201-500	294 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 · Sep 5, 2026 · View company records in RevenueBase
5	Valsource INC	Exact match	Downingtown, PA, United StatesHQ recorded Sep 5, 2026	201-500	245 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 · Sep 5, 2026 · View company records in RevenueBase
6	Kymanox	Exact match	Morrisville, NC, United StatesHQ recorded Sep 5, 2026	201-500	239 contacts →
	Exact match “Kymanox (‘ki-mah-noks’), meaning Ideal Knowledge Transfer, is your trusted partner in advancing life science innovation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	Mcra, An Iqvia Business	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	226 contacts →
	Exact match “MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8	Canopy Life Sciences	Exact match	Danbury, CT, United StatesHQ recorded Sep 5, 2026	201-500	222 contacts →
	Exact match “Canopy provides Clinical to Commercial services to 300+ Biotechnology, Pharmaceutical and Medical Device Companies.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	SAI	Exact match	Reading, PA, United StatesHQ recorded Sep 5, 2026	201-500	187 contacts →
	Exact match “Welcome to the official SAI Corporate Page.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Lachman Consultant Services	Exact match	Westbury, NY, United StatesHQ recorded Sep 5, 2026	51-200	179 contacts →
	Exact match “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11	4c Pharma Solutions	Exact match	Piscataway, NJ, United StatesHQ recorded Sep 5, 2026	51-200	172 contacts →
	Exact match “A comprehensive global healthcare solutions company specializing in end to end of Pharmacovigilance, Materiovigilance, Medical Information Call Center, Hosting, Regulatory…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	SSI Strategy	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 5, 2026	51-200	169 contacts →
	Exact match “At SSI Strategy, we're strategic partners deeply invested in our clients' success.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	Celegence	Exact match	Downers Grove, IL, United StatesHQ recorded Sep 5, 2026	51-200	164 contacts →
	Exact match “Celegence provides services and solutions to support the Life Sciences industry with regulatory affairs operations and strategy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	G&l Scientific	Exact match	Madison, NJ, United StatesHQ recorded Sep 5, 2026	201-500	155 contacts →
	Exact match “Built upon the strong foundation of delivering decades of industry-leading regulatory and quality services, G&L Scientific has evolved into a leading Integrated Product…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15	Citrus Health Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 5, 2026	51-200	141 contacts →
	Exact match “Citrus Health Group is a dynamic, boutique strategic consultancy that supports our clients along the science-to-value continuum to optimize effective commercial development of…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	Validant	Exact match	San Francisco, CA, United StatesHQ recorded Sep 5, 2026	201-500	120 contacts →
	Exact match “Validant has joined forces with our partner consultancy groups to reposition as one global regulatory brand: ELIQUENT Life Sciences.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Xogene	Exact match	Englewood, NJ, United StatesHQ recorded Sep 5, 2026	51-200	113 contacts →
	Exact match “Offering flexibility, in-depth regulatory knowledge, and technical expertise in the area of Transparency and Clinical Trial disclosure, Xogene offers quality outsourcing of…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18	Opus Regulatory INC	Exact match	Boston, MA, United StatesHQ recorded Sep 5, 2026	51-200	113 contacts →
	Exact match “Opus Regulatory is a niche consulting firm headquartered in the Seaport district of Boston.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	Ediphy Advisors, LLC	Exact match	Birmingham, AL, United StatesHQ recorded Sep 5, 2026	51-200	109 contacts →
	Exact match “MedManagement announces the launch of EdiPhy Advisors, a new name for our Physician Advisor & Education Services.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20	Masuu Global Solutions	Exact match	Miami, FL, United StatesHQ recorded Sep 5, 2026	201-500	106 contacts →
	Exact match “Masuu with over 280 Subject Matter Experts (SMEs) and a leadership/scientific advisory team featuring former personnel from health authorities like the USFDA, EMA, MHRA, ANVISA…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Tunnell Consulting, INC	Exact match	Berwyn, PA, United StatesHQ recorded Sep 5, 2026	51-200	97 contacts →
	Exact match “With a strong focus on the life sciences industry, Tunnell Consulting designs and implements sustainable solutions that improve the operating performance of each unique client we…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	CMK Select	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 5, 2026	51-200	90 contacts →
	Exact match “CMK Select is a life sciences consulting partner specializing in strategic guidance and hands on project leadership.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	NERAC	Exact match	Tolland, CT, United StatesHQ recorded Sep 5, 2026	11-50	78 contacts →
	Exact match “WHAT WE DO: We’ve spent the past 60 years as a trusted research partner, medical device regulatory compliance, IP advisory and risk mitigation expert for the biggest brands and…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24	Biologics Consulting	Exact match	Alexandria, VA, United StatesHQ recorded Sep 5, 2026	51-200	76 contacts →
	Exact match “ABOUT Biologics Consulting is a complete FDA regulatory and product development consulting firm for cell & gene therapy, biologics, pharmaceuticals, and medical devices.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25	Scendea	Exact match	Washington, DC, United StatesHQ recorded Sep 5, 2026	51-200	76 contacts →
	Exact match “Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.” Recorded in the RevenueBase company graph · Sep 5, 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 “regulatory affairs consulting firms”. 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 2,123 regulatory affairs consulting firms based in the United States

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Regulatory affairs consulting firms based in the United States at a glance

As of Sep 5, 2026

41.7%Verified-email coverage

36.3%Mobile-number coverage

9.9Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · Washington

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

1,543

11-50

431

51-200

109

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

8,1840–30

50631–60

161–90

190–180

39180+

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 “regulatory affairs consulting firms” 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 8,731 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 September 5, 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.

Regulatory affairs consulting firms 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 “regulatory affairs consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many regulatory affairs consulting firms are there based in the United States?

RevenueBase identified 2,123 company matches for regulatory affairs consulting firms associated with the United States as of September 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?

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

Which city has the most regulatory affairs consulting firms?

Washington leads with 84 company records, followed by Boston (60) and New York (54).

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 8,731 professional contacts with verified work emails tracked across these 2,123 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 September 5, 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.