Company lists · Data refreshed September 2026

Top 25 Regulatory consulting firms based in Washington, United States

RevenueBase identified 73 regulatory consulting firms headquartered in Washington, United States as of September 2026 and tracks 935 professional contacts across them, including 375 with verified work emails. Across the United States, New York is the largest hub for this category (88 companies); Washington follows with 73.

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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

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 14, 2026 86% judged on-target in blind review
73Companies
935Contacts tracked
375Verified emails
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The 25 largest regulatory consulting firms based in Washington, United States

Ranked by team size
Top 25 of 73 regulatory consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to regulatory consulting 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-200226 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
2Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20076 contacts →

Strong evidence

“Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.”

Source: RevenueBase Database · checked Sep 14, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20065 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5062 contacts →

Partial evidence

“Oriel STAT-A-MATRIX has joined forces with our Validant Group partners to reposition as one global regulatory brand: ELIQUENT Life Sciences.”

Source: RevenueBase Database · checked Sep 14, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20053 contacts →

Strong evidence

“NDA Partners, a ProPharma Company, is a life sciences management consulting organization focused on providing product development and regulatory services to the pharmaceutical…”

Source: RevenueBase Database · checked Sep 14, 2026
6Strong evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1022 contacts →

Strong evidence

“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: RevenueBase Database · checked Sep 14, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5019 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5019 contacts →

Partial evidence

“The Clark Group is an environmental policy consulting firm that provides a broad range of services to government, private and nonprofit clients.”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20017 contacts →

Partial evidence

“The Weinberg Group, a ProPharma Group company, is the global leader in regulatory and compliance services, with headquarters in Washington, D.C.”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5016 contacts →

Indirect evidence

“Dawson & Associates is the nation’s premier firm for resolving complex challenges involving Federal water and environmental policies.”

Source: RevenueBase Database · checked Sep 14, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1014 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5014 contacts →

Partial evidence

“Greenleaf Health has joined forces with our Validant Group partners to reposition as one global regulatory brand: ELIQUENT Life Sciences.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-5012 contacts →

Indirect evidence

“Summit Strategies was founded in 2015 by five partners with more than 150 years of government and government affairs experience.”

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202651-20011 contacts →

Partial evidence

“For over 30 years, TSG has provided companies around the world with regulatory guidance and scientific expertise.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-1010 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-508 contacts →

Indirect evidence

“At emissary, we know that maximizing your corporate investment starts with hiring the right talent.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-506 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
18Indirect evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-106 contacts →

Indirect evidence

“Blue Ridge Law & Policy, P.C.”

Source: RevenueBase Database · checked Sep 14, 2026
19Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-505 contacts →

Partial evidence

“At ConsultVisory, we specialize in navigating the intricate landscape of Regulatory Compliance, Finance & Accounting Services, Strategic Marketing, Information & Technology…”

Source: RevenueBase Database · checked Sep 14, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“Our team leverages deep industry expertise to help you navigate regulatory shifts and seize new opportunities in clean energy.”

Source: RevenueBase Database · checked Sep 14, 2026
22Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-504 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 14, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 202611-504 contacts →

Partial evidence

“Communications technologies are constantly evolving, traditional regulatory and policy frameworks are in flux and new business opportunities are emerging worldwide.”

Source: RevenueBase Database · checked Sep 14, 2026
24Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-104 contacts →

Partial evidence

“SmartPharma specializes in commercial and strategic consulting for emerging pharmaceutical companies, big pharma, and investors, focused on products in development.”

Source: RevenueBase Database · checked Sep 14, 2026
25Partial evidenceWashington, DC, United StatesHQ checked Sep 14, 20261-103 contacts →

Partial evidence

“MANTID INTERNATIONAL LLC is a compliance and business intelligence consulting firm.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 73 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 14, 2026
40.1%Verified-email coverage
12.8Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
19
51-200
7
201-500
1

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 73 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 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.
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.
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 consulting 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 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 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, 375 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 14, 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.

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 consulting 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 consulting firms are there based in Washington, United States?

RevenueBase identified 73 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 in the United States has the most regulatory consulting firms?

New York leads the United States with 88 headquartered companies, followed by Washington (73) and Boston (65).

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 375 verified decision-maker contacts tracked across these 73 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 14, 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.