Company lists · Data refreshed September 2026

Top 25 Regulatory affairs consulting firms based in Washington, United States

RevenueBase identified 84 regulatory affairs consulting firms headquartered in Washington, United States as of September 2026 and tracks 1,082 professional contacts across them, including 506 with verified work emails. Washington is the largest hub.

This list covers regulatory affairs 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
84Companies
1,082Contacts tracked
506Verified emails
Explore all 84 companies → Free signup · no credit card · 500 free credits

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

Ranked by team size
Top 25 of 84 regulatory affairs 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 affairs 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.
#CompanyHeadquartersEmployeesContacts
1
Mcra, An Iqvia BusinessPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202651-200226

“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, 202651-20076

“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
Oriel Stat A MatrixPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5062

“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
4Washington, DC, United StatesHQ checked Sep 5, 202651-20053

“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
5
Carmen GroupStrong evidence
Washington, DC, United StatesHQ checked Sep 5, 202651-20051

“Carmen Group is Washington’s leading government affairs consulting firm.”

Source: company website · checked Sep 5, 2026
6Washington, DC, United StatesHQ checked Sep 5, 202611-5049

“Olsson Frank Weeda Terman Matz PC The nation’s premier FDA, USDA, and health care law firm, serving clients before federal agencies, courts, and Congress.”

Source: company website · checked Sep 5, 2026
7
Bergeson & Campbell, P.CIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5040
Source: company website · checked Sep 5, 2026
8
Crossroads StrategiesIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5037

“Crossroads Strategies, LLC (CRS) is a bipartisan, multi-disciplinary federal relations, advocacy, and advisory firm based in Washington DC.”

Source: company website · checked Sep 5, 2026
9Washington, DC, United StatesHQ checked Sep 5, 202611-5031

“Jeffrey J.”

Source: company website · checked Sep 5, 2026
10
Todd Strategy GroupPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-1028

“The Todd Strategy Group (TSG), founded in 2014, is a boutique Federal government affairs firm.”

Source: company website · checked Sep 5, 2026
11
Miller Strategies, LLCIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5021

“Miller Strategies, LLC is a full-service government relations firm dedicated to effective strategy and advocacy, and uniquely positioned to help clients navigate the complexities…”

Source: company website · checked Sep 5, 2026
12
The Acta GroupPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5019

“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
13
The Weinberg GroupPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202651-20017

“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
14
Sirona StrategiesPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-1014

“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
15Washington, DC, United StatesHQ checked Sep 5, 202611-5014

“Ervin Graves Strategy Group is a full-service consulting and government relations firm that works with a broad range of businesses across every sector.”

Source: company website · checked Sep 5, 2026
16
Greenleaf Health, INCPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202611-5014

“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
17Washington, DC, United StatesHQ checked Sep 5, 202611-5012

“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
18
TSG ConsultingPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 202651-20011

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

Source: company website · checked Sep 5, 2026
19
TDY FGS GlobalPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-1010

“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
20Washington, DC, United StatesHQ checked Sep 5, 202611-5010

“Kleinfeld, Kaplan & Becker is one of the most distinguished and experienced law firms in the country specializing in FDA law.”

Source: company website · checked Sep 5, 2026
21
Imperium Global AdvisorsIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-109

“Imperium Global Advisors is a boutique government relations firm with global reach.”

Source: company website · checked Sep 5, 2026
22
Harbinger StrategiesPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-107

“Founded in 2014, Harbinger Strategies is a partner-led government affairs firm advising companies, trade associations, and other stakeholders on high-stakes policy decisions in…”

Source: company website · checked Sep 5, 2026
23
AssembleIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-106

“We provide experienced counsel to advocacy organizations and the pharmaceutical and biotech industries.”

Source: company website · checked Sep 5, 2026
24
Blue Ridge LAW & PolicyIndirect evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-106

“Blue Ridge Law & Policy, P.C.”

Source: company website · checked Sep 5, 2026
25
Smart Policy GroupPartial evidence
Washington, DC, United StatesHQ checked Sep 5, 20261-105

“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

Showing 25 of 84 regulatory affairs consulting firms based in Washington, United States

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

As of Sep 5, 2026
1-10Median size (employees)
WashingtonLargest hub · 84 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
55
11-50
20
51-200
8
201-500
1

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 84 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 affairs 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 affairs 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 affairs 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, 506 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 affairs consulting firms by metro in the United States

Frequently asked

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

RevenueBase identified 84 regulatory affairs 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 affairs consulting firms?

Washington leads with 84 headquartered companies, followed by Boston (60) and New York (50).

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 506 verified decision-maker contacts tracked across these 84 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.