Company lists · Data refreshed October 2026

Top 25 Government investigation defense firms based in Washington, United States

RevenueBase identified 75 company matches for government investigation defense firms associated with Washington, United States as of October 2026 and tracks 3,856 professional contacts across them, including 2,466 with verified work emails. Across the United States, New York is the largest hub for this category (129 companies); Washington follows with 75.

This list covers company matches for government investigation defense 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 13, 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 13, 2026 How this list was built
75Companies
3,856Contacts tracked
2,466Verified emails
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The 25 largest government investigation defense firms based in Washington, United States

Ranked by team size
Top 25 of 75 company matches for government investigation defense firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 13, 20261,001-5,0001,834 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 13, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Oct 13, 2026501-1,000588 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Oct 13, 2026501-1,000438 contacts →

Exact match

“Williams & Connolly is recognized as one of the world’s premier litigation firms.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-200233 contacts →

Exact match

“Keller and Heckman, founded in 1962, has a broad practice in the areas of regulatory law, public policy, and litigation, serving both domestic and international clients.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-200163 contacts →

Exact match

“Zuckerman Spaeder LLP is consistently recognized as a leading national litigation boutique.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-20093 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-20071 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 13, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Oct 13, 2026201-50033 contacts →

Exact match

“At Buckley Sandler we focus on three key areas, financial services, government enforcement, and litigation, and do them exceptionally well.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5030 contacts →

Exact match

“Sparacino PLLC is a high-stakes commercial litigation law firm headquartered in Washington, D.C.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5028 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 13, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-20027 contacts →

Exact match

“Stein Mitchell Beato & Missner LLP is a law firm located in Washington, D.C.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5025 contacts →

Exact match

“Schertler Onorato Mead & Sears, LLP is a boutique litigation firm in Washington, DC specialized in white-collar criminal defense, enforcement matters, and civil and criminal trial…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5020 contacts →

Exact match

“Kaiser PLLC is a white-collar boutique in Washington D.C.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5018 contacts →

Exact match

“As a premier, D.C-based boutique firm, we regularly take on the government in high-stakes litigation and investigations.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5017 contacts →

Exact match

“Shaw Bransford & Roth, PC (SBR) provides superior legal services to and protects the rights of federal employees nationwide.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-1013 contacts →

Exact match

“We defend individuals against allegations in the federal forum that threaten their careers.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5013 contacts →

Exact match

“WATKINSON MILLER PLLC is a law practice company based out of 1100 New Jersey Ave SE Suite 910, WASHINGTON, District of Columbia, United States.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-1010 contacts →

Exact match

“Jacobson Lopez is a white collar boutique in Washington, D.C.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-5010 contacts →

Exact match

“We practice advocacy-and only advocacy.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-109 contacts →

Exact match

“A Washington, DC based law firm with offices in New York and Miami focusing on international trade compliance & enforcement, white collar defense & litigation, international…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-109 contacts →

Exact match

“Based in Washington, DC, with strategic offices throughout the US, Wilt Toikka Kraft LLP specializes in creative solutions to novel and complex legal issues.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-108 contacts →

Exact match

“Utrecht, Kleinfeld, Fiori, Clark, Partners PLLC is a Washington, DC firm that specializes in counseling clients on campaign finance, election, lobbying, and ethics laws.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202611-508 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-107 contacts →

Exact match

“Founded in 2013, KMS is a boutique law firm in Washington DC.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261-106 contacts →

Exact match

“We are a boutique litigation firm based in Washington, DC that defends individuals and corporations in criminal and civil matters around the country.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 75 government investigation defense firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 2,466 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government investigation defense firms based in Washington, United States at a glance

As of Oct 13, 2026
64.0%Verified-email coverage
51.4Average contacts per company
1-10Median size (employees)
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
51
11-50
14
51-200
6
201-500
1
501-1,000
2
1,001-5,000
1

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 75 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 “government investigation defense 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 2,466 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 13, 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.

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

How many government investigation defense firms are there based in Washington, United States?

RevenueBase identified 75 company matches for government investigation defense 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 government investigation defense firms?

New York leads the United States with 129 company records, followed by Washington (75) and Houston (57).

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 2,466 professional contacts with verified work emails tracked across these 75 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 13, 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.