Company lists · Data refreshed September 2026

Top 25 Legal compliance consulting firms based in Washington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 62 companies tracked

RevenueBase identified 62 legal compliance consulting firms headquartered in Washington, United States as of September 2026 and tracks 2,566 professional contacts across them, including 1,434 with verified work emails. Across the United States, New York is the largest hub for this category (92 companies); Washington follows with 62.

This list covers legal compliance 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 28, 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 28, 2026 86% judged on-target in blind review

62Companies

2,566Contacts tracked

1,434Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest legal compliance consulting firms based in Washington, United States

Ranked by team size

Top 25 of 62 legal compliance consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to legal compliance 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Venable LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,790 contacts →
	Strong evidence “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Source: RevenueBase Database · checked Sep 28, 2026
2	IBM Promontory	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	501-1,000	403 contacts →
	Strong evidence “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Source: RevenueBase Database · checked Sep 28, 2026
3	MBA Consulting Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	53 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 28, 2026
4	NT Lakis	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	24 contacts →
	Indirect evidence “Business-minded lawyers helping employers manage workplace risk.” Source: RevenueBase Database · checked Sep 28, 2026
5	Premier Political Compliance	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	19 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 28, 2026
6	Katz Compliance	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	15 contacts →
	Partial evidence “Katz Compliance offers an unmatched breadth and depth of experience in the compliance industry.” Source: RevenueBase Database · checked Sep 28, 2026
7	Trade Pacific Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “Formed in 2004, our lawyers and international trade consultants counsel clients to comply with and capitalize on the complex and evolving U.S.” Source: RevenueBase Database · checked Sep 28, 2026
8	Fortney & Scott, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	12 contacts →
	Indirect evidence “FortneyScott is a Washington, DC-based law firm counseling and advising clients on the full spectrum of workplace-related matters.” Source: RevenueBase Database · checked Sep 28, 2026
9	BEE Compliance LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	9 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 28, 2026
10	O Riordan Bethel LAW Firm, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Nationally-recognized and award-winning economists, lawyers and public policy experts providing public policy analysis; business process improvement; research and analysis…” Source: RevenueBase Database · checked Sep 28, 2026
11	Employment Advisory Services, INC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	6 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 28, 2026
12	American Redwood Consulting	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Partial 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 28, 2026
13	Feldesman Leifer LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
14	Mcintyre & Lemon, Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “McIntyre & Lemon, PLLC helps clients efficiently navigate the complex maze of federal and state laws and regulations.” Source: RevenueBase Database · checked Sep 28, 2026
15	Trade Compliance Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Partial evidence “Founded in 1986 as MK Technology, the Trade Compliance Group is a leading global consultancy firm that provides a wide range of export and import compliance services and solutions…” Source: RevenueBase Database · checked Sep 28, 2026
16	Consultvisory	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Partial evidence “At ConsultVisory, we specialize in navigating the intricate landscape of Regulatory Compliance, Finance & Accounting Services, Strategic Marketing, Information & Technology…” Source: RevenueBase Database · checked Sep 28, 2026
17	Luks Cormaney LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “Boutique law firm that provides guidance to U.S.” Source: RevenueBase Database · checked Sep 28, 2026
18	LMI Advisors, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “Communications technologies are constantly evolving, traditional regulatory and policy frameworks are in flux and new business opportunities are emerging worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
19	Mantid International LLC	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Strong evidence “MANTID INTERNATIONAL LLC is a compliance and business intelligence consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
20	Compliance Systems Legal Group Cslg	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Strong evidence “Compliance Systems Legal Group (CSLG) was a boutique law firm that focused exclusively on corporate compliance, ethics and governance.” Source: RevenueBase Database · checked Sep 28, 2026
21	Bruch Hanna LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
22	Award Advisors	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Strong evidence “Award Advisors is a management consulting firm specializing in guiding organizations through the intricacies of compliance with federal government grants, cooperative agreements…” Source: RevenueBase Database · checked Sep 28, 2026
23	Cassidy LAW Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “We work with pioneering organizations who move fast, think big, and solve hard problems.” Source: RevenueBase Database · checked Sep 28, 2026
24	Barlow & Company, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “Customs and international trade law firm.” Source: RevenueBase Database · checked Sep 28, 2026
25	Labach Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	2 contacts →
	Indirect evidence “Technology and Privacy Attorney for B2B software companies.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: legal compliance consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names legal compliance consulting firms.
Partial evidence: Its own public description names part of legal compliance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal compliance consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 62 legal compliance consulting firms based in Washington, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,434 reachable decision-makers.

Free signup · no credit card

View the full list →

Legal compliance consulting firms based in Washington, United States at a glance

As of Sep 28, 2026

55.9%Verified-email coverage

41.4Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

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 62 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 legal compliance 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 “legal compliance 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 legal compliance 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 legal compliance 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, 1,434 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 28, 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.

Legal compliance consulting firms by metro in the United States

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 legal compliance 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 legal compliance consulting firms are there based in Washington, United States?

RevenueBase identified 62 legal compliance 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?

Venable LLP, headquartered in Washington, tops this list with the largest team on record.

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

New York leads the United States with 92 headquartered companies, followed by Washington (62) and Houston (38).

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 1,434 verified decision-maker contacts tracked across these 62 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 62 legal compliance consulting firms based in Washington, United States. Start with a free account, no credit card.

Download this list →

Related lists

Legal compliance consulting firms by geography

Browse the directory

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.