Company lists · Data refreshed September 2026

Top 25 Law firm process outsourcing companies based in the United States

Name: Law firm process outsourcing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 2,041 companies tracked

RevenueBase identified 2,041 law firm process outsourcing companies headquartered in the United States as of September 2026 and tracks 94,803 professional contacts across them, including 46,421 with verified work emails. New York is the largest hub.

This list covers law firm process outsourcing companies headquartered in the 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

2,041Companies

94,803Contacts tracked

46,421Verified emails

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The 25 largest law firm process outsourcing companies based in the United States

Ranked by team size

Top 25 of 2,041 law firm process outsourcing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to law firm process outsourcing 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	EPIQ	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	5,001-10,000	6,335 contacts →
	Partial evidence “Epiq, a global technology-enabled services leader to the legal industry and corporations, takes on large-scale, increasingly complex tasks for corporate counsel, law firms, and…” Source: RevenueBase Database · checked Sep 28, 2026
2	Integreon	Partial evidence	Austin, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,678 contacts →
	Partial evidence “Integreon is a trusted provider of legal, creative and business outsourced services to corporations and law firms worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
3	Consilio LLC	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,406 contacts →
	Indirect evidence “Consilio stands as the global leader in eDiscovery, document review, flexible legal talent, and legal advisory & transformation consulting services.” Source: RevenueBase Database · checked Sep 28, 2026
4	Gordon Rees Scully Mansukhani, LLP	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,846 contacts →
	Partial evidence “As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Source: RevenueBase Database · checked Sep 28, 2026
5	Perkins Coie	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,746 contacts →
	Indirect evidence “Perkins Coie has combined with Ashurst to form Ashurst Perkins Coie.” Source: RevenueBase Database · checked Sep 28, 2026
6	Husch Blackwell	Partial evidence	20+ U.s. Offices, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,539 contacts →
	Partial evidence “Husch Blackwell is a different kind of law firm–structured around our clients’ industries and built on a culture of selfless service.” Source: RevenueBase Database · checked Sep 28, 2026
7	Willkie Farr & Gallagher LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,190 contacts →
	Indirect evidence “Willkie Farr & Gallagher LLP provides leading-edge legal solutions on complex, business critical issues spanning markets and industries.” Source: RevenueBase Database · checked Sep 28, 2026
8	Seyfarth Shaw LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,167 contacts →
	Indirect evidence “High stakes.” Source: RevenueBase Database · checked Sep 28, 2026
9	Unitedlex	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,098 contacts →
	Partial evidence “UnitedLex is the preeminent business partner for legal delivering solutions that achieve value and drive growth for corporate legal departments and law firms in the areas of…” Source: RevenueBase Database · checked Sep 28, 2026
10	Debevoise & Plimpton	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,871 contacts →
	Partial evidence “Debevoise & Plimpton LLP is a premier law firm with market-leading practices, a global perspective and strong New York roots.” Source: RevenueBase Database · checked Sep 28, 2026
11	Faegre Drinker	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,848 contacts →
	Indirect evidence “Faegre Drinker is a firm designed for clients.” Source: RevenueBase Database · checked Sep 28, 2026
12	Vinson & Elkins	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,693 contacts →
	Partial evidence “Vinson & Elkins is a law firm of global distinction, working with leading companies on wide-ranging matters in key industries across the economy.” Source: RevenueBase Database · checked Sep 28, 2026
13	Ballard Spahr LLP	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,682 contacts →
	Partial evidence “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: RevenueBase Database · checked Sep 28, 2026
14	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,343 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 28, 2026
15	Snell & Wilmer	Partial evidence	Phoenix, AZ, United StatesHQ checked Sep 28, 2026	501-1,000	1,219 contacts →
	Partial evidence “Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 500 lawyers practicing in 17 locations throughout the United States and in Mexico.” Source: RevenueBase Database · checked Sep 28, 2026
16	Hinshaw & Culbertson LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	1,188 contacts →
	Partial evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 28, 2026
17	Quislex	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,043 contacts →
	Partial evidence “QuisLex is an award-winning alternative legal services provider (ALSP) helping corporate legal departments and law firms manage risk, control cost, and drive efficiency across…” Source: RevenueBase Database · checked Sep 28, 2026
18	Mccarter & English, LLP	Indirect evidence	Newark, NJ, United StatesHQ checked Sep 28, 2026	501-1,000	985 contacts →
	Indirect evidence “McCarter & English, LLP is a firm of more than 400 lawyers with offices in Newark, New York, Boston, Philadelphia, Washington, DC, Miami, Wilmington, Hartford, Stamford…” Source: RevenueBase Database · checked Sep 28, 2026
19	Kutak Rock	Indirect evidence	United StatesHQ checked Sep 28, 2026	501-1,000	985 contacts →
	Indirect evidence “We are a U.S.” Source: RevenueBase Database · checked Sep 28, 2026
20	Thompson Coburn LLP	Partial evidence	Saint Louis, MO, United StatesHQ checked Sep 28, 2026	501-1,000	938 contacts →
	Partial evidence “Thompson Coburn is a full-service, values-driven law firm with offices strategically located in Birmingham, Chicago, Dallas, Los Angeles, New York, Southern Illinois, St.” Source: RevenueBase Database · checked Sep 28, 2026
21	Thompson Hine LLP	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 28, 2026	501-1,000	929 contacts →
	Partial evidence “Thompson Hine LLP, a full-service business law firm with over 400 lawyers in 11 offices, was ranked number 1 in the category "Most innovative North American law firms: New working…” Source: RevenueBase Database · checked Sep 28, 2026
22	IST Management	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	921 contacts →
	Partial evidence “IST Management Services, Inc is an outsourcing company specializing in the life cycle management of your information: From incoming mail, to complex print jobs, to eDiscovery and…” Source: RevenueBase Database · checked Sep 28, 2026
23	Litera	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	900 contacts →
	Indirect evidence “Litera has been at the forefront of legal technology for 25+ years.” Source: RevenueBase Database · checked Sep 28, 2026
24	MORAE	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	873 contacts →
	Indirect evidence “Morae Global Corporation ("Morae") is trusted around the world for the delivery of digital and business solutions for a constantly changing legal industry.” Source: RevenueBase Database · checked Sep 28, 2026
25	Aderant	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	501-1,000	802 contacts →
	Partial evidence “Aderant is dedicated to helping law firms run a better business.” 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: law firm process outsourcing companies. 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 law firm process outsourcing companies.
Partial evidence: Its own public description names part of law firm process outsourcing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name law firm process outsourcing companies. 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 2,041 law firm process outsourcing companies based in the United States

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Law firm process outsourcing companies based in the United States at a glance

As of Sep 28, 2026

49.0%Verified-email coverage

46.4Average contacts per company

1-10Median size (employees)

7.3%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,180

11-50

498

51-200

218

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,041 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 law firm process outsourcing 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 the United States whose own description of what they do matches “law firm process outsourcing 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 law firm process outsourcing 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 law firm process outsourcing companies, and records with no verified work email. Companies headquartered outside United States 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, 46,421 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.

Law firm process outsourcing companies by metro

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 law firm process outsourcing 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 law firm process outsourcing companies are there based in the United States?

RevenueBase identified 2,041 law firm process outsourcing companies headquartered in the 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?

EPIQ, headquartered in New York, tops this list with the largest team on record.

Which city has the most law firm process outsourcing companies?

New York leads with 149 headquartered companies, followed by Los Angeles (79) and Chicago (74).

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 46,421 verified decision-maker contacts tracked across these 2,041 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.