Company lists · Data refreshed October 2026

Top 25 Labor law firms based in Washington, United States

RevenueBase identified 167 company matches for labor law firms associated with Washington, United States as of October 2026 and tracks 6,201 professional contacts across them, including 3,525 with verified work emails. Across the United States, New York is the largest hub for this category (636 companies); Washington has 167.

This list covers company matches for labor law firms associated with Washington, 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 October 1, 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 Oct 1, 2026 How this list was built
167Companies
6,201Contacts tracked
3,525Verified emails
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The 25 largest labor law firms based in Washington, United States

Ranked by team size
Top 25 of 167 company matches for labor law firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Oct 1, 20261,001-5,0001,790 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Oct 1, 20261,001-5,0001,207 contacts →

Exact match

“In more than 100 years of practice, Steptoe* has earned an international reputation for vigorous representation of clients before governmental agencies, successful advocacy in…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Oct 1, 2026501-1,000576 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Oct 1, 20261,001-5,000313 contacts →

Exact match

“Dentons is proud to announce that the merger between Dentons US and McKenna Long & Aldridge is complete.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Oct 1, 2026501-1,000292 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-200211 contacts →

Exact match

“Kellogg Hansen works in complex trial and appellate litigation.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-200174 contacts →

Exact match

“Groom Law Group, Chartered is widely recognized as the leading benefits law firm in the United States with over 90 attorneys dedicated solely to the practice of employee benefits…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-200129 contacts →

Exact match

“For more than 130 years, Jackson & Campbell has been the law firm to which local, regional, and national businesses, associations, and Washingtonians turn for skilled and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5056 contacts →

Exact match

“Relman Colfax PLLC is a national civil rights law firm, with a litigation practice focused on combating discrimination and obtaining equity, including in the areas of housing…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-20055 contacts →

Exact match

“The Employment Law Group® law firm is a litigation boutique concentrating on the representation of employees and whistleblowers.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5055 contacts →

Exact match

“Maggio Kattar has been recognized as one of the top Immigration Law firms in the U.S.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5049 contacts →

Exact match

“Bredhoff & Kaiser PLLC is one of the nation’s preeminent law firms devoted to empowering workers and the institutions that advocate for them.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5046 contacts →

Exact match

“Conn Maciel Carey LLP is a boutique law firm focused on Labor & Employment, Workplace Safety - OSHA/MSHA, and Litigation.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5042 contacts →

Exact match

“The lawyers of Katz Banks Kumin are nationally recognized leaders in the areas of whistleblower law, discrimination and sexual harassment law, wage and hour law, employment law…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchWashington, PA, United StatesHQ recorded Oct 1, 202651-20038 contacts →

Exact match

“Peacock Keller is a full service law firm headquartered in Washington, Pennsylvania.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5036 contacts →

Exact match

“Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5035 contacts →

Exact match

“O'Donoghue & O'Donoghue LLP is one of the largest and oldest union-side law firms in the United States, with offices in Washington, D.C, Philadelphia, Pennsylvania, and Annapolis…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5034 contacts →

Exact match

“Rule Garza Howley LLP provides sophisticated antitrust advice and representation, drawing on a proven track record of more than four decades of successful outcomes with the DOJ…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5033 contacts →

Exact match

“Carr Maloney PC is a business and litigation law firm with a diverse client base including national, regional and local businesses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5033 contacts →

Exact match

“Federal Practice Group is a nationally recognized law firm specializing in federal employment, military law, government contracts, security clearance, litigation, and more.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202651-20026 contacts →

Exact match

“Slevin & Hart, P.C.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5026 contacts →

Exact match

“We practice advocacy-and only advocacy.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Oct 1, 202611-5026 contacts →

Exact match

“Trister, Ross, Schadler & Gold, PLLC combines personalized client service with decades of broad experience and specialized legal expertise.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 167 labor law firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 3,525 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Labor law firms based in Washington, United States at a glance

As of Oct 1, 2026
56.8%Verified-email coverage
37.1Average contacts per company
1-10Median size (employees)
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
115
11-50
38
51-200
9
501-1,000
2
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 167 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 Washington, United States whose business descriptions match “labor law 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 3,525 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 October 1, 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.

Labor law firms by metro in the United States

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

How many labor law firms are there based in Washington, United States?

RevenueBase identified 167 company matches for labor law firms associated with Washington, United States as of October 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?

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

Which city in the United States has the most labor law firms?

New York leads the United States with 636 company records, followed by Los Angeles (471) and Chicago (349). Washington has 167.

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 3,525 professional contacts with verified work emails tracked across these 167 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 October 1, 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.