Company lists · Data refreshed September 2026

Top 25 Government contracts law firms based in Washington, United States

Name: Government contracts law 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 98 companies tracked

RevenueBase identified 98 government contracts law firms headquartered in Washington, United States as of September 2026 and tracks 2,521 professional contacts across them, including 1,539 with verified work emails. Across the United States, Washington is the largest hub for this category.

This list covers government contracts law 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

98Companies

2,521Contacts tracked

1,539Verified emails

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The 25 largest government contracts law firms based in Washington, United States

Ranked by team size

Top 25 of 98 government contracts law 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 government contracts law 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	Powers LAW	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	101 contacts →
	Partial evidence “Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…” Source: RevenueBase Database · checked Sep 28, 2026
3	Pilieromazza Pllc	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	70 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 28, 2026
4	Tiber Hudson LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	36 contacts →
	Partial 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 28, 2026
5	Iuvo Systems	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	36 contacts →
	Strong evidence “At Iuvo Systems Inc, we empower government contractors and federal agencies to succeed by delivering specialized accounting, compliance, and business solutions tailored to the…” Source: RevenueBase Database · checked Sep 28, 2026
6	Federal Practice Group, LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	33 contacts →
	Strong evidence “Federal Practice Group is a nationally recognized law firm specializing in federal employment, military law, government contracts, security clearance, litigation, and more.” Source: RevenueBase Database · checked Sep 28, 2026
7	Duncan, Weinberg, Genzer & Pembroke, P.C. Dwgp	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	28 contacts →
	Indirect evidence “Since its founding in 1971, DWG & P, has provided a broad range of counseling, regulatory, litigation and legislative services to clients in every region of the country.” Source: RevenueBase Database · checked Sep 28, 2026
8	Jefferson Consulting Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	19 contacts →
	Partial evidence “JCG is a woman-owned, Washington, DC professional services firm that provides results-driven advice and hands-on assistance to our industry clients and government customers.” Source: RevenueBase Database · checked Sep 28, 2026
9	Shaw Bransford & Roth, P.C	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Shaw Bransford & Roth, PC (SBR) provides superior legal services to and protects the rights of federal employees nationwide.” Source: RevenueBase Database · checked Sep 28, 2026
10	Global Services	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	17 contacts →
	Partial evidence “Based in the heart of Washington, DC, with an office in New York, Global Services delivers winning strategies for every stage of marketing to the government, analyzing your…” Source: RevenueBase Database · checked Sep 28, 2026
11	The Bruman Group, Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	15 contacts →
	Partial evidence “The Bruman Group, PLLC is nationally recognized for its federal grants management and education law practice.” Source: RevenueBase Database · checked Sep 28, 2026
12	LEE Shoemaker Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “Industry-focused.” Source: RevenueBase Database · checked Sep 28, 2026
13	Levine, Blaszak, Block & Boothby, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	13 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 28, 2026
14	Fortney & Scott, LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial 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
15	Watkinson Miller Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “WATKINSON MILLER PLLC is a law practice company based out of 1100 New Jersey Ave SE Suite 910, WASHINGTON, District of Columbia, United States.” Source: RevenueBase Database · checked Sep 28, 2026
16	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
17	The Proposal Lab, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “At The Proposal Lab we are reengineering the way the industry thinks about business development and proposal writing.” Source: RevenueBase Database · checked Sep 28, 2026
18	Leftwich LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Leftwich LLC is a multi-disciplinary legal and consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
19	Mcmanus & Felsen LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	6 contacts →
	Strong evidence “McManus & Felsen LLP is a boutique law firm focusing on construction and government contracting.” Source: RevenueBase Database · checked Sep 28, 2026
20	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
21	Mcintyre & Lemon, Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial 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
22	Washington Global LAW Group Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	4 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 28, 2026
23	Holmes Pittman & Haraguchi, LLP	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Strong 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 28, 2026
24	Akiri Consulting LLC	Strong evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	4 contacts →
	Strong evidence “Akiri Consulting's story began with a clear vision: to empower small businesses and organizations to thrive in the complex environment of government contracting.” Source: RevenueBase Database · checked Sep 28, 2026
25	Bounce Back Consulting, LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Partial evidence “Bounce Back Consulting is an independent strategy and management consulting firm serving commercial, education, and nonprofit clients focused on government-driven opportunities.” 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: government contracts law 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 government contracts law firms.
Partial evidence: Its own public description names part of government contracts law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name government contracts law 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 98 government contracts law firms based in Washington, United States

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Government contracts law firms based in Washington, United States at a glance

As of Sep 28, 2026

61.0%Verified-email coverage

25.7Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 98 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 government contracts law 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 “government contracts law 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 government contracts law 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 government contracts law 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, 1,539 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.

Government contracts law 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 government contracts law 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 government contracts law firms are there based in Washington, United States?

RevenueBase identified 98 government contracts law 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 government contracts law firms?

Washington leads the United States with 98 headquartered companies, followed by Houston (38) and Atlanta (27).

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 1,539 verified decision-maker contacts tracked across these 98 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.

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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.