Company lists · Data refreshed September 2026

Top 25 Commercial law companies based in Washington, United States

RevenueBase identified 76 commercial law companies headquartered in Washington, United States as of September 2026 and tracks 5,016 professional contacts across them, including 3,293 with verified work emails. New York is the largest hub.

This list covers commercial law companies 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 21, 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 21, 2026 86% judged on-target in blind review
76Companies
5,016Contacts tracked
3,293Verified emails
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The 25 largest commercial law companies based in Washington, United States

Ranked by team size
Top 25 of 76 commercial law companies based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to commercial law companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 20261,001-5,0002,333 contacts →

Indirect evidence

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261,001-5,0001,790 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 21, 2026
3Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 2026501-1,000292 contacts →

Indirect evidence

“Dickstein Shapiro LLP, Market Leading Specialty Firm (SM), is internationally recognized for its work with clients, from start-ups to Fortune 500 corporations.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261,001-5,000168 contacts →

Partial 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 21, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20070 contacts →

Strong evidence

“PilieroMazza – a business law firm – serves as a strategic partner to government contractors and commercial businesses from across the United States in numerous industries.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202651-20070 contacts →

Partial evidence

“HWG LLP is a boutique law firm designed to offer clients access to top tier legal talent without unnecessary overhead.”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5036 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 21, 2026
8Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5034 contacts →

Strong evidence

“Grossberg, Yochelson, Fox & Beyda, LLP is a leading commercial real estate law firm in Washington, D.C.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-1016 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 21, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“Founded in 1964, we are a Washington, D.C.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5013 contacts →

Partial evidence

“Founded in February 2009, Mei & Mark LLP is a minority-owned law firm based in Washington, DC, and has been recognized as one of the Go-To Law Firms at the Top 500 Companies by…”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-5013 contacts →

Indirect 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 21, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-107 contacts →

Partial evidence

“Tayman Lane Chaverri LLP, based in Washington, D.C, is a national business law boutique focusing on corporate counseling and strategy; bankruptcy, creditors' rights and…”

Source: RevenueBase Database · checked Sep 21, 2026
14Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-506 contacts →

Strong evidence

“Baker & Miller PLLC was founded in 1995 to provide sophisticated antitrust advice to a broad range of commercial clients and other law firms.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-105 contacts →

Indirect 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 21, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-105 contacts →

Indirect evidence

“Washington DC Business Lawyer Large-Firm Results with Boutique-Firm Attention At Tobin, O’Connor & Ewing, we focus on providing our clients with effective representation and…”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-105 contacts →

Partial evidence

“Musolino & Dessel PLLC is a boutique law firm based out of 1615 L St NW #440, Washington, D.C.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-104 contacts →

Indirect 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 21, 2026
19Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“We are a government contracts and commercial litigation firm who believes in straight talk about legal issues and approaches to resolution.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“The difference between us and other law firms is that, to our clients, we are more than lawyers.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“Moore Law represents clients on a wide-range of individual corporate transactions and litigation disputes in the practice areas of real estate, construction, antitrust…”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 202611-503 contacts →

Partial evidence

“Founded in 1972, Cameron LLP is a law firm for demanding clients who expect results from their attorneys.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceWashington, United StatesHQ checked Sep 21, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceWashington, United StatesHQ checked Sep 21, 202611-503 contacts →

Indirect evidence

“We exist to drive growth.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceWashington, DC, United StatesHQ checked Sep 21, 20261-103 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 21, 2026

Showing 25 of 76 commercial law companies based in Washington, United States

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Commercial law companies based in Washington, United States at a glance

As of Sep 21, 2026
65.6%Verified-email coverage
66.0Average contacts per company
1-10Median size (employees)
477.6%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
58
11-50
12
51-200
2
501-1,000
1
1,001-5,000
3

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 76 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 commercial law companies, 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 “commercial law companies”. 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 commercial law companies), 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 commercial law companies, 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, 3,293 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 21, 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.

Commercial law companies 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 commercial law companies, 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 commercial law companies are there based in Washington, United States?

RevenueBase identified 76 commercial law companies 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 commercial law companies?

New York leads with 363 headquartered companies, followed by Chicago (202) and Los Angeles (174).

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 3,293 verified decision-maker contacts tracked across these 76 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 21, 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.