Company lists · Data refreshed September 2026

Top 25 Regulatory consultants based in Washington, United States

RevenueBase identified 121 company matches for regulatory consultants associated with Washington, United States as of September 2026 and tracks 1,202 professional contacts across them, including 532 with verified work emails. Across the United States, New York is the largest hub for this category (148 companies); Washington follows with 121.

This list covers company matches for regulatory consultants associated with Washington, 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 21, 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 21, 2026 How this list was built
121Companies
1,202Contacts tracked
532Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest regulatory consultants based in Washington, United States

Ranked by team size
Top 25 of 121 company matches for regulatory consultants based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-200226 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 21, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-200110 contacts →

Exact match

“Who We Are A talented team of experts with years of experience in both government and industry, with a passion for finding solutions and a deep understanding of the institutions…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20076 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 21, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20065 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20053 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20036 contacts →

Exact match

“Healthsperien, LLC is a nationally recognized, Washington, D.C.–based policy and health care consulting firm focused on strategic, regulatory, legislative, and implementation…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-1022 contacts →

Exact match

“Jacobs, Cordova & Associates (JC & is a consulting firm, founded in 2001, specializing in designing and implementing improvements in the quality of government regulators and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“InterAgency provides preconstruction consulting for the Washington Metro Area’s most complex and challenging infrastructure projects.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“Grid Strategies LLC is a power sector consulting firm helping clients understand the opportunities and barriers to integrating clean energy into the electric grid.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5016 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-1014 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202651-20011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-1010 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“EBG Advisors is a national strategy and management consultancy with a primary focus to serve the health care and life science industries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-109 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Export Controls and Sanctions Advisors LLC (“ECS Advisors”) was founded in 2023 by former officials from the Bureau of Industry and Security (BIS), U.S.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261-107 contacts →

Exact match

“PolicyPartner creates must read research and must attend events for clients impacted by regulatory and policy change.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 121 regulatory consultants based in Washington, United States

See the full list, filter by size, metro and specialty, and access 532 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Regulatory consultants based in Washington, United States at a glance

As of Sep 21, 2026
44.3%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
83
11-50
28
51-200
9
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 121 companies.

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 Washington, United States whose business descriptions match “regulatory consultants” 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 532 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 21, 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.

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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 121 company matches for regulatory consultants associated with Washington, 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?

Mcra, An Iqvia Business tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most regulatory consultants?

New York leads the United States with 148 company records, followed by Washington (121) and Boston (79).

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 532 professional contacts with verified work emails tracked across these 121 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 121 regulatory consultants based in Washington, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.