Company lists · Data refreshed September 2026

Top 25 Compliance and regulatory consulting firms based in Washington, United States

RevenueBase identified 93 compliance and regulatory consulting firms headquartered in Washington, United States as of September 2026 and tracks 1,569 professional contacts across them, including 573 with verified work emails. Across the United States, New York is the largest hub for this category (192 companies); Washington follows with 93.

This list covers compliance and 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 27, 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 27, 2026 86% judged on-target in blind review
93Companies
1,569Contacts tracked
573Verified emails
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The 25 largest compliance and regulatory consulting firms based in Washington, United States

Ranked by team size
Top 25 of 93 compliance and regulatory consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to compliance and 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
1Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 2026501-1,000403 contacts →

Strong evidence

“IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-20093 contacts →

Strong evidence

“DCI is a human resources analytics and compliance consulting firm dedicated to helping our clients with their organizational challenges while also mitigating their risk.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5090 contacts →

Partial evidence

“CFS Compliance is your one stop shop for all your compliance needs.”

Source: RevenueBase Database · checked Sep 27, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-20053 contacts →

Partial evidence

“We provide superior compliance services to the political and non-profit communities by combining modern business principles, technology, and top-notch customer service with…”

Source: RevenueBase Database · checked Sep 27, 2026
8Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
9Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-20052 contacts →

Strong evidence

“Asurity delivers compliance-driven technology and advisory solutions that empower financial institutions to confidently navigate a complex regulatory landscape while driving…”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5024 contacts →

Indirect evidence

“Business-minded lawyers helping employers manage workplace risk.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-1022 contacts →

Partial evidence

“FY Consulting | ISO & Cybersecurity Consultants ISO 9001 · ISO 27001 · AS9100 · ISO 13485 · CMMC · NIST 800-171 We build management systems around real business processes, not…”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5019 contacts →

Partial evidence

“We provide the highest quality compliance services to federal, state, and local political committees, corporate PACs, and nonprofit entities.”

Source: RevenueBase Database · checked Sep 27, 2026
14Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-20017 contacts →

Strong 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 27, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5015 contacts →

Partial evidence

“Katz Compliance offers an unmatched breadth and depth of experience in the compliance industry.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5014 contacts →

Partial evidence

“When it comes to compliance, companies that know better, do better.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-1012 contacts →

Partial evidence

“The National Society of Compliance Professionals is a nonprofit, membership organization dedicated to serving and supporting the compliance professional in the financial services…”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
20Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5010 contacts →

Indirect evidence

“The Wright Way Enterprises (TWW) is certified as an SBA 8(a) and HUBZone small business and DC Certified Business Enterprise (CBE), stewarding organizations in addressing the…”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-109 contacts →

Partial evidence

“Bee Compliance was launched in April 2020, with the goal of providing accessible, client focused compliance services to democratic and progressive organizations and candidates.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 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 27, 2026
23Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-107 contacts →

Indirect evidence

“Our solutions have touched the lives of 388 million end users across the globe.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-2006 contacts →

Indirect evidence

“For more than 30 years, our team of experienced analysts and consultants have partnered with employers of all sizes and across all industries to design, develop, and implement…”

Source: RevenueBase Database · checked Sep 27, 2026
25Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-506 contacts →

Strong 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 27, 2026

Showing 25 of 93 compliance and regulatory consulting firms based in Washington, United States

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Compliance and regulatory consulting firms based in Washington, United States at a glance

As of Sep 27, 2026
36.5%Verified-email coverage
16.9Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
58
11-50
23
51-200
10
201-500
1
501-1,000
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 93 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 compliance and 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 “compliance and 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 compliance and 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 compliance and 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, 573 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 27, 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 compliance and 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 compliance and regulatory consulting firms are there based in Washington, United States?

RevenueBase identified 93 compliance and 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?

IBM Promontory, headquartered in Washington, tops this list with the largest team on record.

Which city in the United States has the most compliance and regulatory consulting firms?

New York leads the United States with 192 headquartered companies, followed by Washington (93) and Houston (81).

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 573 verified decision-maker contacts tracked across these 93 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 27, 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.