Company lists · Data refreshed September 2026

Top 25 Compliance and regulatory attorneys based in Washington, United States

Name: Compliance and regulatory attorneys based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 70 companies tracked

RevenueBase identified 70 compliance and regulatory attorneys headquartered in Washington, United States as of September 2026 and tracks 5,367 professional contacts across them, including 3,626 with verified work emails. Washington is the largest hub.

This list covers compliance and regulatory attorneys 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 19, 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 19, 2026 86% judged on-target in blind review

70Companies

5,367Contacts tracked

3,626Verified emails

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The 25 largest compliance and regulatory attorneys based in Washington, United States

Ranked by team size

Top 25 of 70 compliance and regulatory attorneys based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to compliance and regulatory attorneys: 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	Arnold & Porter	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,333 contacts →
	Partial evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 19, 2026
2	Venable LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
3	Wiley Rein LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	501-1,000	576 contacts →
	Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 19, 2026
4	CFS Compliance	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	90 contacts →
	Partial evidence “CFS Compliance is your one stop shop for all your compliance needs.” Source: RevenueBase Database · checked Sep 19, 2026
5	Holtzman Vogel	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	51-200	80 contacts →
	Indirect evidence “HOLTZMAN VOGEL PROTECTS THE HIGHEST PROFILE VOICES IN BUSINESS, POLITICS AND ADVOCACY For 25 years, Holtzman Vogel has represented Fortune 500 companies, non-profits, high net…” Source: RevenueBase Database · checked Sep 19, 2026
6	MBA Consulting Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
7	Weiner Brodsky Kider PC	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	51-200	31 contacts →
	Strong evidence “Weiner Brodsky Kider PC is a Washington, D.C-based firm with a national practice focused on compliance, regulatory, transactional and litigation matters related to financial…” Source: RevenueBase Database · checked Sep 19, 2026
8	NT Lakis	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “Business-minded lawyers helping employers manage workplace risk.” Source: RevenueBase Database · checked Sep 19, 2026
9	Liles Parker Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	24 contacts →
	Partial evidence “Liles Parker PLLC is a full service law firm that focuses its practice in the regulatory health law space.” Source: RevenueBase Database · checked Sep 19, 2026
10	Harkins Cunningham LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	18 contacts →
	Indirect evidence “Harkins Cunningham LLP is a law firm engaged in optimizing risk and opportunities in complex matters in highly regulated and politicized environments.” Source: RevenueBase Database · checked Sep 19, 2026
11	Levine, Blaszak, Block & Boothby, LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	13 contacts →
	Partial evidence “Since it was founded in 1993, LB3 has been the leading firm guiding large customers through a maze of legal, technical, financial, and regulatory issues to close world-class…” Source: RevenueBase Database · checked Sep 19, 2026
12	Fortney & Scott, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
13	Telecommunications LAW Professionals Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	12 contacts →
	Indirect evidence “Telecommunications Law Professionals PLLC ("TLP") is committed to assisting clients in meeting the substantial challenges they face in the rapidly changing wireless, wired…” Source: RevenueBase Database · checked Sep 19, 2026
14	Jacobson Lopez Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	11 contacts →
	Indirect evidence “Jacobson Lopez is a white collar boutique in Washington, D.C.” Source: RevenueBase Database · checked Sep 19, 2026
15	Akrivis LAW Group, Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	10 contacts →
	Partial evidence “A Washington, DC based law firm with offices in New York and Miami focusing on international trade compliance & enforcement, white collar defense & litigation, international…” Source: RevenueBase Database · checked Sep 19, 2026
16	Sandler Reiff Lamb Rosenstein & Birkenstock, P.C	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
17	Ruddy Gregory, Pllc	Indirect evidence	Washington, United StatesHQ checked Sep 19, 2026	1-10	9 contacts →
	Indirect evidence “Formerly known as Ruddy Law Office, Ruddy Gregory, PLLC ("Ruddy Gregory") is a Washington, DC based boutique law firm that provides legal advice to registered investment advisers…” Source: RevenueBase Database · checked Sep 19, 2026
18	Freeh Sporkin & Sullivan LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Freeh Sporkin & Sullivan LLP was established by three former federal judges with decades of experience on the federal bench and at the highest levels of the U.S.” Source: RevenueBase Database · checked Sep 19, 2026
19	Utrecht, Kleinfeld, Fiori, Clark, Partners	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	8 contacts →
	Indirect evidence “Utrecht, Kleinfeld, Fiori, Clark, Partners PLLC is a Washington, DC firm that specializes in counseling clients on campaign finance, election, lobbying, and ethics laws.” Source: RevenueBase Database · checked Sep 19, 2026
20	O Riordan Bethel LAW Firm, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
21	Leftwich LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	7 contacts →
	Indirect evidence “Leftwich LLC is a multi-disciplinary legal and consulting firm.” Source: RevenueBase Database · checked Sep 19, 2026
22	Blue Ridge LAW & Policy	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	6 contacts →
	Indirect evidence “Blue Ridge Law & Policy, P.C.” Source: RevenueBase Database · checked Sep 19, 2026
23	Feldesman Leifer LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
24	Mcintyre & Lemon, Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
25	The Chaklader Firm	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Partial evidence “The Chaklader Firm is a professional legal services corporation with attorneys that cater to the complex needs of companies and individuals in Litigation, Contracts &…” Source: RevenueBase Database · checked Sep 19, 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: compliance and regulatory attorneys. 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 compliance and regulatory attorneys.
Partial evidence: Its own public description names part of compliance and regulatory attorneys, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name compliance and regulatory attorneys. 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 70 compliance and regulatory attorneys based in Washington, United States

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

As of Sep 19, 2026

67.6%Verified-email coverage

76.7Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · Washington

Sep 19, 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 70 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 attorneys, 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 attorneys”. 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 attorneys), 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 attorneys, 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, 3,626 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 19, 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.

Compliance and regulatory attorneys by metro in the United States

Compliance and regulatory attorneys in Washington70
Compliance and regulatory attorneys in New York64
Compliance and regulatory attorneys in Atlanta26
Compliance and regulatory attorneys in Los Angeles25

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 attorneys, 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 attorneys are there based in Washington, United States?

RevenueBase identified 70 compliance and regulatory attorneys 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?

Arnold & Porter, headquartered in Washington, tops this list with the largest team on record.

Which city has the most compliance and regulatory attorneys?

Washington leads with 70 headquartered companies, followed by New York (64) and Atlanta (26).

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 3,626 verified decision-maker contacts tracked across these 70 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 19, 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.