Company lists · Data refreshed September 2026

Top 25 Corporate litigation services based in Washington, United States

Name: Corporate litigation services based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 102 companies tracked

RevenueBase identified 102 corporate litigation services headquartered in Washington, United States as of September 2026 and tracks 6,632 professional contacts across them, including 4,297 with verified work emails. New York is the largest hub.

This list covers corporate litigation services 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

102Companies

6,632Contacts tracked

4,297Verified emails

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The 25 largest corporate litigation services based in Washington, United States

Ranked by team size

Top 25 of 102 corporate litigation services 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 corporate litigation services: 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	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,333 contacts →
	Partial evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 21, 2026
2	Venable LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,790 contacts →
	Indirect 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
3	Wiley Rein LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	501-1,000	576 contacts →
	Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 21, 2026
4	Dickstein Shapiro LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	501-1,000	292 contacts →
	Partial 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
5	Planet Depos	Strong evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	201-500	271 contacts →
	Strong evidence “Planet Depos is a global leader in court reporting and litigation technology services, trusted by law firms and corporations to support high-stakes matters across the U.S.” Source: RevenueBase Database · checked Sep 21, 2026
6	Hausfeld	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	201-500	267 contacts →
	Indirect evidence “Hausfeld successfully resolves disputes for its clients, driven by its bold approach and pioneering experience.” Source: RevenueBase Database · checked Sep 21, 2026
7	Consilio Services LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1,001-5,000	168 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
8	Zuckerman Spaeder LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	155 contacts →
	Partial evidence “Zuckerman Spaeder LLP is consistently recognized as a leading national litigation boutique.” Source: RevenueBase Database · checked Sep 21, 2026
9	Hollingsworth LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	112 contacts →
	Partial evidence “Hollingsworth LLP is among the nation’s leading litigation firms.” Source: RevenueBase Database · checked Sep 21, 2026
10	HWG LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	70 contacts →
	Indirect 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
11	Lewis Baach Kaufmann Middlemiss Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	64 contacts →
	Indirect evidence “Lewis Baach Kaufmann Middlemiss is a premier international firm with extensive practices in insurance, reinsurance, international financial disputes and global commercial…” Source: RevenueBase Database · checked Sep 21, 2026
12	Tiber Hudson LLC	Strong evidence	Washington, DC, United StatesHQ checked Sep 21, 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 21, 2026
13	Digital Evidence Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	201-500	31 contacts →
	Partial evidence “Based in Washington, DC, Digital Evidence Group is a global provider of litigation support services.” Source: RevenueBase Database · checked Sep 21, 2026
14	Sparacino Pllc	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	28 contacts →
	Partial evidence “Sparacino PLLC is a high-stakes commercial litigation law firm headquartered in Washington, D.C.” Source: RevenueBase Database · checked Sep 21, 2026
15	Levy Firestone Muse LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	25 contacts →
	Partial evidence “Levy Firestone Muse has emerged as one of Washington DC’s premier litigation boutiques representing clients in high stakes disputes and investigations, locally, nationally, and…” Source: RevenueBase Database · checked Sep 21, 2026
16	Gregoryedwards, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	21 contacts →
	Indirect evidence “Founded in 2001 and headquartered in Washington, D.C.” Source: RevenueBase Database · checked Sep 21, 2026
17	Ruggeri Parks Weinberg LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	20 contacts →
	Indirect evidence “Built on decades of experience and a deep commitment to our long-standing clients, our attorneys guide clients through all aspects of their largest, most sensitive and critical…” Source: RevenueBase Database · checked Sep 21, 2026
18	Alderson Court Reporting	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	19 contacts →
	Indirect evidence “From eDiscovery, Managed Review and Court Reporting (including Concise® Deposition Digesting, video synchronization, and digital video services) to Legal Staffing and…” Source: RevenueBase Database · checked Sep 21, 2026
19	Harkins Cunningham LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1-10	18 contacts →
	Indirect evidence “Harkins Cunningham LLP is a law firm engaged in optimizing risk and opportunities in complex matters in highly regulated and politicized environments.” Source: RevenueBase Database · checked Sep 21, 2026
20	Veritas LAW	Strong evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1-10	16 contacts →
	Strong 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
21	Friedlander Misler Pllc	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	14 contacts →
	Indirect evidence “Founded in 1964, we are a Washington, D.C.” Source: RevenueBase Database · checked Sep 21, 2026
22	The Kenrich Group LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	14 contacts →
	Partial evidence “The Kenrich Group, an HKA Company, is a business and litigation consulting firm with 50 offices in 19 countries.” Source: RevenueBase Database · checked Sep 21, 2026
23	MEI & Mark LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	11-50	13 contacts →
	Indirect 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
24	Levine, Blaszak, Block & Boothby, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 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 21, 2026
25	Fortney & Scott, LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 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 21, 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 litigation services. 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 litigation services.
Partial evidence: Its own public description names part of corporate litigation services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name corporate litigation services. 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 102 corporate litigation services based in Washington, United States

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Corporate litigation services based in Washington, United States at a glance

As of Sep 21, 2026

64.8%Verified-email coverage

65.0Average contacts per company

1-10Median size (employees)

447.1%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 102 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 litigation services, 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 litigation services”. 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 litigation services), 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 litigation services, 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, 4,297 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.

Corporate litigation services 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 litigation services, 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 litigation services are there based in Washington, United States?

RevenueBase identified 102 corporate litigation services 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 litigation services?

New York leads with 456 headquartered companies, followed by Los Angeles (256) and Houston (235).

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 4,297 verified decision-maker contacts tracked across these 102 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.