Company lists · Data refreshed September 2026

Top 25 Government compliance consulting firms based in the United States

Name: Government compliance consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,638 companies tracked

RevenueBase identified 1,638 company matches for government compliance consulting firms associated with the United States as of September 2026 and tracks 15,855 professional contacts across them, including 6,414 with verified work emails. New York is the largest hub.

This list covers company matches for government compliance 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 28, 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 28, 2026 How this list was built

1,638Companies

15,855Contacts tracked

6,414Verified emails

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The 25 largest government compliance consulting firms based in the United States

Ranked by team size

Top 25 of 1,638 company matches for government compliance consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,688 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 28, 2026 · View company records in RevenueBase
2	CT Corporation	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	788 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 28, 2026 · View company records in RevenueBase
3	GSA National	Exact match	Fairfax, VA, United StatesHQ recorded Sep 28, 2026	201-500	558 contacts →
	Exact match “GSA National has been helping government contractors ensure compliance and streamline costs since 1991.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Controlcase	Exact match	Fairfax, VA, United StatesHQ recorded Sep 28, 2026	201-500	411 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 28, 2026 · View company records in RevenueBase
5	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	403 contacts →
	Exact match “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	APA Engineering INC	Exact match	Mount Laurel, NJ, United StatesHQ recorded Sep 28, 2026	201-500	364 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 28, 2026 · View company records in RevenueBase
7	Registrar Corp	Exact match	Hampton, VA, United StatesHQ recorded Sep 28, 2026	51-200	317 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 28, 2026 · View company records in RevenueBase
8	Comply	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	308 contacts →
	Exact match “At Comply, we pride ourselves on being the champion for compliance professionals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Complyright, INC	Exact match	Pompano Beach, FL, United StatesHQ recorded Sep 28, 2026	201-500	190 contacts →
	Exact match “At ComplyRight®, our mission is to empower employers by simplifying the complex world of employment law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Tradewin	Exact match	Peabody, MA, United StatesHQ recorded Sep 28, 2026	201-500	189 contacts →
	Exact match “Tradewin, established in 1997, is a leading provider of import and export advice worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Lachman Consultant Services	Exact match	Westbury, NY, United StatesHQ recorded Sep 28, 2026	51-200	179 contacts →
	Exact match “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Harbor Compliance	Exact match	Lancaster, PA, United StatesHQ recorded Sep 28, 2026	201-500	150 contacts →
	Exact match “We provide innovative compliance solutions by embracing complexity and making it simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Optima Partners	Exact match	NY, United StatesHQ recorded Sep 28, 2026	51-200	145 contacts →
	Exact match “Established in 2014, Optima is a leading global regulatory compliance and cybersecurity consulting firm advising financial institutions, including investment managers, hedge…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Mostardi Platt	Exact match	Elmhurst, IL, United StatesHQ recorded Sep 28, 2026	51-200	140 contacts →
	Exact match “Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Sandler, Travis & Rosenberg, P.A	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	51-200	118 contacts →
	Exact match “Since 1977, Sandler, Travis & Rosenberg, P.A.(ST & R) has set the standard for providing comprehensive and effective international trade-related legal and consulting services to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Rubino	Exact match	Bethesda, MD, United StatesHQ recorded Sep 28, 2026	51-200	104 contacts →
	Exact match “For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Chambers Group, INC	Exact match	Costa Mesa, CA, United StatesHQ recorded Sep 28, 2026	51-200	98 contacts →
	Exact match “Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	TFC Consulting, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 28, 2026	51-200	93 contacts →
	Exact match “TFC Consulting, Inc is a licensed CPA and consulting firm in the Washington DC metro area.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	HCJ Cpas & Advisors	Exact match	Little Rock, AR, United StatesHQ recorded Sep 28, 2026	51-200	92 contacts →
	Exact match “HCJ CPAs and Advisors provides knowledgeable auditing, tax and business consulting services that companies need in today’s business climate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	CFS Compliance	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	90 contacts →
	Exact match “CFS Compliance is your one stop shop for all your compliance needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Focus Business Solutions, INC	Exact match	Taylor, MI, United StatesHQ recorded Sep 28, 2026	51-200	89 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	The RWC Group	Exact match	Fort Worth, TX, United StatesHQ recorded Sep 28, 2026	51-200	82 contacts →
	Exact match “The RWC Group is a leading provider of top tier consulting, expert manpower and compliance services to the premier financial institutions, financial technology companies, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Occupational Services, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	74 contacts →
	Exact match “Occupational Services, Incorporated is a San Diego-based professional consulting firm providing services in the areas of environmental compliance, occupational health and safety…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Capital Edge Consulting	Exact match	Vienna, VA, United StatesHQ recorded Sep 28, 2026	51-200	70 contacts →
	Exact match “Capital Edge is the largest consulting firm exclusively dedicated to government contractors and grant recipients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Regulatory Compliance Associates RCA	Exact match	Pleasant Prairie, WI, United StatesHQ recorded Sep 28, 2026	51-200	67 contacts →
	Exact match “Regulatory Compliance Associates Inc.(RCA) is a team of experienced professionals from FDA-regulated industries including pharmaceutical, biologics and medical device.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “government compliance consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,638 government compliance consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 6,414 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government compliance consulting firms based in the United States at a glance

As of Sep 28, 2026

40.5%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

4.4%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,145

11-50

391

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,638 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 “government compliance 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 6,414 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 28, 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.

Government compliance consulting firms by metro

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 “government compliance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 1,638 company matches for government compliance 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?

Sikich tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government compliance consulting firms?

New York leads with 72 company records, followed by Washington (46) and Houston (40).

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 6,414 professional contacts with verified work emails tracked across these 1,638 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 28, 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.