Company lists · Data refreshed September 2026

Top 25 Regulatory affairs law firms worldwide

Name: Regulatory affairs law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 4,105 companies tracked

RevenueBase identified 4,105 regulatory affairs law firms worldwide as of September 2026 and tracks 36,264 professional contacts across them, including 14,539 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers regulatory affairs law firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for regulatory affairs law firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

4,105Companies

36,264Contacts tracked

14,539Verified emails

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The 25 largest regulatory affairs law firms worldwide

Ranked by team size

Top 25 of 4,105 regulatory affairs law firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to regulatory affairs law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Propharma	Indirect evidence	Raleigh, NC, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,079 contacts →
	Indirect evidence “At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Source: RevenueBase Database · checked Sep 29, 2026
2	Venable LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,790 contacts →
	Strong evidence “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Source: RevenueBase Database · checked Sep 29, 2026
3	CT Corporation	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	1,001-5,000	788 contacts →
	Partial evidence “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Source: RevenueBase Database · checked Sep 29, 2026
4	Wiley Rein LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 29, 2026	501-1,000	576 contacts →
	Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 29, 2026
5	Eliquent Life Sciences	Indirect evidence	United StatesHQ checked Sep 29, 2026	501-1,000	368 contacts →
	Indirect evidence “We are expert consultants delivering the answers and solutions that life sciences innovators need to gain and maintain market authorization for their products.” Source: RevenueBase Database · checked Sep 29, 2026
6	Hall Render	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 29, 2026	201-500	366 contacts →
	Partial evidence “As a national health care-focused law firm, Hall Render is distinguished by its attorneys' extensive knowledge and experience.” Source: RevenueBase Database · checked Sep 29, 2026
7	Knoell	Partial evidence	Mannheim, GermanyHQ checked Sep 29, 2026	501-1,000	339 contacts →
	Partial evidence “Founded in 1996, knoell is an independent provider of global regulatory services for biocides, chemicals, cosmetics, crop protection and crop nutrition products, food contact…” Source: RevenueBase Database · checked Sep 29, 2026
8	Registrar Corp	Partial evidence	Hampton, VA, United StatesHQ checked Sep 29, 2026	51-200	317 contacts →
	Partial evidence “Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…” Source: RevenueBase Database · checked Sep 29, 2026
9	Kymanox	Indirect evidence	Morrisville, NC, United StatesHQ checked Sep 29, 2026	201-500	239 contacts →
	Indirect evidence “Kymanox (‘ki-mah-noks’), meaning Ideal Knowledge Transfer, is your trusted partner in advancing life science innovation.” Source: RevenueBase Database · checked Sep 29, 2026
10	Galicia Mexico	Partial evidence	México, MexicoHQ checked Sep 29, 2026	201-500	239 contacts →
	Partial evidence “GALICIA was founded in 1994 and has since become Mexico´s leading transactional firm with strong regulatory offering supported by its strategic litigation capabilities.” Source: RevenueBase Database · checked Sep 29, 2026
11	Keller And Heckman LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 29, 2026	51-200	230 contacts →
	Strong evidence “Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.” Source: RevenueBase Database · checked Sep 29, 2026
12	Pharmazone	Indirect evidence	Ahmedabad, IndiaHQ checked Sep 29, 2026	51-200	225 contacts →
	Indirect evidence “Pharmazone is a leading Consulting company with a strong legacy of trust amongst the global Pharmaceutical & Life Sciences industry.” Source: RevenueBase Database · checked Sep 29, 2026
13	Epista Life Science	Indirect evidence	Hørsholm, DenmarkHQ checked Sep 29, 2026	51-200	194 contacts →
	Indirect evidence “Epista Life Science is a team of experts working at the intersection of business priorities and compliance requirements.” Source: RevenueBase Database · checked Sep 29, 2026
14	Nysingh Lawyers And Notaries	Indirect evidence	Utrecht, NetherlandsHQ checked Sep 29, 2026	201-500	191 contacts →
	Indirect evidence “In a society that poses a plethora of legal challenges to businesses, public authorities and healthcare providers, Nysingh has been a reliable legal partner for 150 years.” Source: RevenueBase Database · checked Sep 29, 2026
15	Asphalion	Partial evidence	Barcelona, SpainHQ checked Sep 29, 2026	51-200	191 contacts →
	Partial evidence “Asphalion is an international Scientific, Regulatory and Safety Consulting In Life Sciences, with offices in Barcelona, Madrid, Munich and London.” Source: RevenueBase Database · checked Sep 29, 2026
16	Complyright, INC	Partial evidence	Pompano Beach, FL, United StatesHQ checked Sep 29, 2026	201-500	190 contacts →
	Partial evidence “At ComplyRight®, our mission is to empower employers by simplifying the complex world of employment law.” Source: RevenueBase Database · checked Sep 29, 2026
17	Lachman Consultant Services	Partial evidence	Westbury, NY, United StatesHQ checked Sep 29, 2026	51-200	179 contacts →
	Partial evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 29, 2026
18	ICARE	Indirect evidence	Saint Beauzire, FranceHQ checked Sep 29, 2026	51-200	176 contacts →
	Indirect evidence “Groupe ICARE : Votre partenaire expert de la sécurité des produits de santé Avec 30 ans d’expérience, le Groupe ICARE se distingue comme un leader en matière de normalisation et…” Source: RevenueBase Database · checked Sep 29, 2026
19	Konexo	Indirect evidence	London, United KingdomHQ checked Sep 29, 2026	51-200	171 contacts →
	Indirect evidence “Alternative legal and compliance services developed by Eversheds Sutherland.” Source: RevenueBase Database · checked Sep 29, 2026
20	Ultimate Solutions	Partial evidence	Caguas, Puerto RicoHQ checked Sep 29, 2026	201-500	170 contacts →
	Partial evidence “Ultimate Solutions combines regulatory expertise, cutting-edge technology, and operational excellence to deliver tailored 360° solutions at every stage of your pharmaceutical…” Source: RevenueBase Database · checked Sep 29, 2026
21	Celegence	Strong evidence	Downers Grove, IL, United StatesHQ checked Sep 29, 2026	51-200	164 contacts →
	Strong evidence “Celegence provides services and solutions to support the Life Sciences industry with regulatory affairs operations and strategy.” Source: RevenueBase Database · checked Sep 29, 2026
22	G&l Scientific	Partial evidence	Madison, NJ, United StatesHQ checked Sep 29, 2026	201-500	155 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
23	Medpro Systems	Indirect evidence	Mount Arlington, NJ, United StatesHQ checked Sep 29, 2026	51-200	151 contacts →
	Indirect evidence “We help Life Sciences and Healthcare companies drive better health outcomes by navigating complexity throughout their compliance and commercial operations.” Source: RevenueBase Database · checked Sep 29, 2026
24	Conde & Siciliano Advogados	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 29, 2026	51-200	151 contacts →
	Indirect evidence “Nossa história começa em 2010, resultado da soma da experiência e capacitação de seus sócios-fundadores ao longo das últimas décadas, e da natural inquietação desses profissionais…” Source: RevenueBase Database · checked Sep 29, 2026
25	Harbor Compliance	Indirect evidence	Lancaster, PA, United StatesHQ checked Sep 29, 2026	201-500	150 contacts →
	Indirect evidence “We provide innovative compliance solutions by embracing complexity and making it simple.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: regulatory affairs law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names regulatory affairs law firms.
Partial evidence: Its own public description names part of regulatory affairs law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name regulatory affairs law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,105 regulatory affairs law firms worldwide

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Regulatory affairs law firms worldwide at a glance

As of Sep 29, 2026

40.1%Verified-email coverage

8.8Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,914

11-50

941

51-200

185

201-500

501-1,000

1,001-5,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among regulatory affairs law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for regulatory affairs law firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “regulatory affairs law firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names regulatory affairs law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among regulatory affairs law firms, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 14,539 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Regulatory affairs law firms by location

29 lists · largest first

Every Regulatory affairs law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names regulatory affairs law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many regulatory affairs law firms are there worldwide?

RevenueBase identified 4,105 regulatory affairs law firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Propharma, headquartered in Raleigh, tops this list with the largest team on record.

Which country has the most regulatory affairs law firms?

The United States leads with 1,069 companies, followed by Brazil (357) and India (260). Every regulatory affairs law firms list by country and city is linked on this page.

Which city has the most regulatory affairs law firms?

Sao Paulo leads with 111 headquartered companies, followed by Paris (60) and Washington (59).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,539 verified decision-maker contacts tracked across these 4,105 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.