Company lists · Data refreshed September 2026

Top 25 Corporate legal services providers based in Washington, United States

Name: Corporate legal services providers 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 60 companies tracked

RevenueBase identified 60 corporate legal services providers headquartered in Washington, United States as of September 2026 and tracks 4,878 professional contacts across them, including 3,131 with verified work emails. New York is the largest hub.

This list covers corporate legal services providers 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

60Companies

4,878Contacts tracked

3,131Verified emails

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The 25 largest corporate legal services providers based in Washington, United States

Ranked by team size

Top 25 of 60 corporate legal services providers 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 corporate legal services providers: 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	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,333 contacts →
	Indirect 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	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,790 contacts →
	Partial 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	Mckenna Long & Aldridge LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	313 contacts →
	Indirect evidence “Dentons is proud to announce that the merger between Dentons US and McKenna Long & Aldridge is complete.” Source: RevenueBase Database · checked Sep 19, 2026
4	Consilio Services LLC	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1,001-5,000	168 contacts →
	Strong evidence “It all starts with our mission: To be a trusted advisor that brings expertise to tackle any legal challenge that multinational corporations and law firms face, whenever and…” Source: RevenueBase Database · checked Sep 19, 2026
5	Tiber Hudson LLC	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	36 contacts →
	Strong evidence “Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Source: RevenueBase Database · checked Sep 19, 2026
6	BSA Legal Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	21 contacts →
	Partial evidence “The BSA Legal Group is a boutique international law and consulting firm dedicated to providing creative and cost effective solutions to its international and domestic based…” Source: RevenueBase Database · checked Sep 19, 2026
7	Silver, Freedman, Taff & Tiernan LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	18 contacts →
	Partial evidence “Silver, Freedman, Taff & Tiernan LLP, is a preeminent legal services provider based in Washington, DC.” Source: RevenueBase Database · checked Sep 19, 2026
8	Veritas LAW	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	16 contacts →
	Partial evidence “A full-service business law firm, Veritas Law has expertise in corporate and transactional law, litigation, and licensing.” Source: RevenueBase Database · checked Sep 19, 2026
9	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
10	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
11	Basswood Counsel	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “At Basswood Counsel, we believe that we should be as dynamic and growth-oriented as the companies we serve.” Source: RevenueBase Database · checked Sep 19, 2026
12	LAW Counsel Professional Staffing	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	11-50	11 contacts →
	Strong evidence “Law Counsel delivers a comprehensive portfolio of legal staffing and document review services to law firms and corporate law departments.” Source: RevenueBase Database · checked Sep 19, 2026
13	Legal Corner LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Partial evidence “Key practice areas include General Corporate, Corporate Governance, Mergers and Acquisitions, Private Offerings, Employment and Labor Laws, Business and Employment Contracts…” Source: RevenueBase Database · checked Sep 19, 2026
14	The Chaklader Firm	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	5 contacts →
	Strong 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
15	Washington Global LAW Group Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	4 contacts →
	Partial evidence “Companies, associations, and their managers confront a maze of administrative, legislative, and legal hurdles, both here in the U.S.” Source: RevenueBase Database · checked Sep 19, 2026
16	Combs & Taylor LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	4 contacts →
	Indirect evidence “The difference between us and other law firms is that, to our clients, we are more than lawyers.” Source: RevenueBase Database · checked Sep 19, 2026
17	Potomac LAW Group	Indirect evidence	Washington, United StatesHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
18	Tandem Legal Group	Indirect evidence	Washington, United StatesHQ checked Sep 19, 2026	11-50	3 contacts →
	Indirect evidence “We exist to drive growth.” Source: RevenueBase Database · checked Sep 19, 2026
19	LAW Office Of Mohaimina Haque Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	3 contacts →
	Partial evidence “At the Law Office of Mohaimina Haque PLLC, we specialize in providing comprehensive legal solutions for businesses across various sectors, and individuals.” Source: RevenueBase Database · checked Sep 19, 2026
20	Temple LAW Offices	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “At the Temple Law Offices, our team of experienced attorneys understand the complexity of the law and work tirelessly to represent our diverse, international client base.” Source: RevenueBase Database · checked Sep 19, 2026
21	The Shaffer LAW Firm	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “Business Organization Counseling, Formation, Governance, Regulatory Compliance, and Dispute Resolution Commercial contracts and transaction negotiation and drafting including…” Source: RevenueBase Database · checked Sep 19, 2026
22	Colella Zefutie LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Indirect evidence “Colella Zefutie LLC provides big law quality, expertise, and service with the care and attention of a boutique law firm.” Source: RevenueBase Database · checked Sep 19, 2026
23	Capex Legal	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “CapEx is a law firm focused on business and strategy, here for a single matter, to be a long-term partner through On-demand Chief Legal Officer services, and to help expand your…” Source: RevenueBase Database · checked Sep 19, 2026
24	Cassidy LAW Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 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 19, 2026
25	The LAW Office Of Attorney Ambur C. Smith Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	1-10	2 contacts →
	Indirect evidence “Founded in 2020, the Law Office of Attorney Ambur C.” 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: corporate legal services providers. 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 corporate legal services providers.
Partial evidence: Its own public description names part of corporate legal services providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name corporate legal services providers. 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 60 corporate legal services providers based in Washington, United States

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Corporate legal services providers based in Washington, United States at a glance

As of Sep 19, 2026

64.2%Verified-email coverage

81.3Average contacts per company

1-10Median size (employees)

355.0%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 60 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 corporate legal services providers, 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 “corporate legal services providers”. 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 corporate legal services providers), 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 corporate legal services providers, 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, 3,131 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.

Corporate legal services providers 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 corporate legal services providers, 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 corporate legal services providers are there based in Washington, United States?

RevenueBase identified 60 corporate legal services providers 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 corporate legal services providers?

New York leads with 213 headquartered companies, followed by Chicago (78) and Houston (73).

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 3,131 verified decision-maker contacts tracked across these 60 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.