Company lists · Data refreshed September 2026

Top 25 Regulatory consulting firms based in Washington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 75 companies tracked

RevenueBase identified 75 regulatory consulting firms headquartered in Washington, United States as of September 2026 and tracks 937 professional contacts across them, including 376 with verified work emails. New York is the largest hub.

This list covers regulatory consulting firms headquartered in Washington, United States, 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, how directly it supports the match, and when it was last checked. 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

75Companies

937Contacts tracked

376Verified emails

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The 25 largest regulatory consulting firms based in Washington, United States

Ranked by team size

Top 25 of 75 regulatory consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names regulatory consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Mcra, An Iqvia BusinessPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	226
	“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…” Source: company website · checked Sep 5, 2026
2	ScendeaStrong evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	76
	“Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.” Source: company website · checked Sep 5, 2026
3	Patomak Global PartnersPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	65
	“Patomak is a financial services consultancy that provides industry and regulatory expertise, delivers value in an efficient manner, and provides a competitive edge to companies…” Source: company website · checked Sep 5, 2026
4	Oriel Stat A MatrixPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	62
	“Oriel STAT-A-MATRIX has joined forces with our Validant Group partners to reposition as one global regulatory brand: ELIQUENT Life Sciences.” Source: company website · checked Sep 5, 2026
5	NDA Partners, A Propharma CompanyStrong evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	53
	“NDA Partners, a ProPharma Company, is a life sciences management consulting organization focused on providing product development and regulatory services to the pharmaceutical…” Source: company website · checked Sep 5, 2026
6	Jacobs, Cordova & AssociatesStrong evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	22
	“Jacobs, Cordova & Associates (JC & is a consulting firm, founded in 2001, specializing in designing and implementing improvements in the quality of government regulators and…” Source: company website · checked Sep 5, 2026
7	The Acta GroupPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	19
	“The Acta Group (Acta) is a global consulting firm established to control the spiraling costs and inefficiencies encountered by clients seeking approvals to market chemicals…” Source: company website · checked Sep 5, 2026
8	The Clark Group LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	19
	“The Clark Group is an environmental policy consulting firm that provides a broad range of services to government, private and nonprofit clients.” Source: company website · checked Sep 5, 2026
9	The Weinberg GroupPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	17
	“The Weinberg Group, a ProPharma Group company, is the global leader in regulatory and compliance services, with headquarters in Washington, D.C.” Source: company website · checked Sep 5, 2026
10	Dawson & AssociatesIndirect evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	16
	“Dawson & Associates is the nation’s premier firm for resolving complex challenges involving Federal water and environmental policies.” Source: company website · checked Sep 5, 2026
11	Sirona StrategiesPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	14
	“Sirona Strategies is a proactive, strategic health care consulting firm that consistently delivers results for clients seeking to succeed and grow in an evolving health care…” Source: company website · checked Sep 5, 2026
12	Greenleaf Health, INCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	14
	“Greenleaf Health has joined forces with our Validant Group partners to reposition as one global regulatory brand: ELIQUENT Life Sciences.” Source: company website · checked Sep 5, 2026
13	Summit Strategies Government Affairs LLCIndirect evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	12
	“Summit Strategies was founded in 2015 by five partners with more than 150 years of government and government affairs experience.” Source: company website · checked Sep 5, 2026
14	TSG ConsultingPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	51-200	11
	“For over 30 years, TSG has provided companies around the world with regulatory guidance and scientific expertise.” Source: company website · checked Sep 5, 2026
15	TDY FGS GlobalPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	10
	“Tarplin, Downs & Young, LLC (TDY) opened its doors in 2006 and continues to be a leader in strategic consulting and policy development, with a specific focus on health care.” Source: company website · checked Sep 5, 2026
16	Emissary LLCIndirect evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	8
	“At emissary, we know that maximizing your corporate investment starts with hiring the right talent.” Source: company website · checked Sep 5, 2026
17	American Redwood ConsultingPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	6
	“OUR MISSION:" To promote organizational culture that encourages a commitment to local, state, and federal regulatory compliance" info@arcglobalteam.com 1-833-TEAM ARC…” Source: company website · checked Sep 5, 2026
18	Blue Ridge LAW & PolicyIndirect evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	6
	“Blue Ridge Law & Policy, P.C.” Source: company website · checked Sep 5, 2026
19	Smart Policy GroupPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	5
	“SMART Policy Group's team (SPG) has extensive experience and knowledge about the processes and leverage points in federal and state policy and regulatory actions, reflecting…” Source: company website · checked Sep 5, 2026
20	ConsultvisoryPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	5
	“At ConsultVisory, we specialize in navigating the intricate landscape of Regulatory Compliance, Finance & Accounting Services, Strategic Marketing, Information & Technology…” Source: company website · checked Sep 5, 2026
21	GQS NEW Energy StrategiesPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	5
	“Our team leverages deep industry expertise to help you navigate regulatory shifts and seize new opportunities in clean energy.” Source: company website · checked Sep 5, 2026
22	Akiri Consulting LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	4
	“Akiri Consulting's story began with a clear vision: to empower small businesses and organizations to thrive in the complex environment of government contracting.” Source: company website · checked Sep 5, 2026
23	LMI Advisors, LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	11-50	4
	“Communications technologies are constantly evolving, traditional regulatory and policy frameworks are in flux and new business opportunities are emerging worldwide.” Source: company website · checked Sep 5, 2026
24	Smartpharma LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	4
	“SmartPharma specializes in commercial and strategic consulting for emerging pharmaceutical companies, big pharma, and investors, focused on products in development.” Source: company website · checked Sep 5, 2026
25	Mantid International LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 5, 2026	1-10	3
	“MANTID INTERNATIONAL LLC is a compliance and business intelligence consulting firm.” Source: company website · checked Sep 5, 2026

Showing 25 of 75 regulatory consulting firms based in Washington, United States

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Regulatory consulting firms based in Washington, United States at a glance

As of Sep 5, 2026

1-10Median size (employees)

New YorkLargest hub · 80 HQs

Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 75 companies.

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 consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Washington, United States whose own description of what they do matches “regulatory consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among regulatory consulting firms, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
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 an evidence 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, 376 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 5, 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 consulting firms by metro in the United States

Regulatory consulting firms in New York80
Regulatory consulting firms in Washington75
Regulatory consulting firms in Boston51
Regulatory consulting firms in San Diego39
Regulatory consulting firms in Austin33
Regulatory consulting firms in Miami33
Regulatory consulting firms in Raleigh30
Regulatory consulting firms in Houston29
Regulatory consulting firms in Chicago28
Regulatory consulting firms in Atlanta25

Frequently asked

How many regulatory consulting firms are there based in Washington, United States?

RevenueBase identified 75 regulatory consulting firms headquartered in Washington, United States 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?

Mcra, An Iqvia Business, headquartered in Washington, tops this list with the largest team on record.

Which city has the most regulatory consulting firms?

New York leads with 80 headquartered companies, followed by Washington (75) and Boston (51).

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 376 verified decision-maker contacts tracked across these 75 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 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.