Company lists · Data refreshed September 2026

Top 25 Compliance and regulatory consulting firms based in the United States

RevenueBase identified 4,060 company matches for compliance and regulatory consulting firms associated with the United States as of September 2026 and tracks 42,723 professional contacts across them, including 17,306 with verified work emails. New York is the largest hub.

This list covers company matches for compliance and regulatory consulting firms associated with the 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 27, 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 27, 2026 How this list was built
4,060Companies
42,723Contacts tracked
17,306Verified emails
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The 25 largest compliance and regulatory consulting firms based in the United States

Ranked by team size
Top 25 of 4,060 company matches for compliance and regulatory consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchLancaster, PA, United StatesHQ recorded Sep 27, 20261,001-5,0001,740 contacts →

Exact match

“DFIN is the leading global provider of compliance and regulatory software and services, fueling end-to-end investment company regulatory compliance needs, complex capital markets…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 27, 20261,001-5,0001,688 contacts →

Exact match

“Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261,001-5,0001,486 contacts →

Exact match

“ACA Group is the leading governance, risk, and compliance advisor to the financial services industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchCranford, NJ, United StatesHQ recorded Sep 27, 2026501-1,000936 contacts →

Exact match

“Paragon is a now part of CGI (cgi.com), a global IT and business consulting services firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261,001-5,000788 contacts →

Exact match

“CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026501-1,000661 contacts →

Exact match

“LRN is the world's largest dedicated ethics and compliance company, educating and helping more than 30 million people each year worldwide navigate complex legal and regulatory…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchFairfax, VA, United StatesHQ recorded Sep 27, 2026201-500558 contacts →

Exact match

“GSA National has been helping government contractors ensure compliance and streamline costs since 1991.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchWayne, PA, United StatesHQ recorded Sep 27, 20261,001-5,000557 contacts →

Exact match

“For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchArlington, VA, United StatesHQ recorded Sep 27, 2026201-500474 contacts →

Exact match

“At Enhesa we empower the world’s largest businesses to achieve compliance, manage risk, and drive sustainability with clear, actionable insights.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500416 contacts →

Exact match

“Aithent creates high-value regulatory compliance management solutions for financial services, government, healthcare and insurance organizations around the globe.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchFairfax, VA, United StatesHQ recorded Sep 27, 2026201-500411 contacts →

Exact match

“ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 27, 2026501-1,000403 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchMount Laurel, NJ, United StatesHQ recorded Sep 27, 2026201-500364 contacts →

Exact match

“APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Sep 27, 2026201-500336 contacts →

Exact match

“At VMG Health, we’re more than just a team of experts; we’re trusted partners in the business of healthcare.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchWichita, KS, United StatesHQ recorded Sep 27, 2026501-1,000332 contacts →

Exact match

“PROtect is a leading national provider of reliability, risk, and compliance services to the refining, petrochemical, renewable fuels, manufacturing, food & beverage, fertilizer…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchHampton, VA, United StatesHQ recorded Sep 27, 202651-200317 contacts →

Exact match

“Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500311 contacts →

Exact match

“K2 Integrity is a global risk management company dedicated to helping organizations across both the public and private sectors protect their assets, reputation, and operations and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500308 contacts →

Exact match

“At Comply, we pride ourselves on being the champion for compliance professionals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500295 contacts →

Exact match

“MCO is a global leader on a mission to revolutionize how financial firms tackle compliance, making it simpler, smarter, and more effective.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500268 contacts →

Exact match

“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchCarlsbad, CA, United StatesHQ recorded Sep 27, 2026201-500266 contacts →

Exact match

“Vaisesika Consulting is a global tech and consulting firm that helps businesses transform their digital setups and stay compliant in a straightforward way.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchPalo Alto, CA, United StatesHQ recorded Sep 27, 202651-200248 contacts →

Exact match

“Governance, Risk, and Compliance simplified for new-age businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchDowningtown, PA, United StatesHQ recorded Sep 27, 2026201-500245 contacts →

Exact match

“Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchMorrisville, NC, United StatesHQ recorded Sep 27, 2026201-500239 contacts →

Exact match

“Kymanox (‘ki-mah-noks’), meaning Ideal Knowledge Transfer, is your trusted partner in advancing life science innovation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase

Showing 25 of 4,060 compliance and regulatory consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 17,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 27, 2026
40.5%Verified-email coverage
10.5Average contacts per company
1-10Median size (employees)
5.0%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,829
11-50
940
51-200
211
201-500
52
501-1,000
15
1,001-5,000
9
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,060 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 the United States whose business descriptions match “compliance and regulatory consulting firms” 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 17,306 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 27, 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 “compliance and regulatory consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compliance and regulatory consulting firms are there based in the United States?

RevenueBase identified 4,060 company matches for compliance and regulatory consulting firms associated with the 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?

Donnelley Financial Solutions Dfin tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most compliance and regulatory consulting firms?

New York leads with 204 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 17,306 professional contacts with verified work emails tracked across these 4,060 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 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 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.