Company lists · Data refreshed September 2026

Top 25 Legal administrative outsourcing services based in the United States

Name: Legal administrative outsourcing services 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 2,938 companies tracked

RevenueBase identified 2,938 legal administrative outsourcing services headquartered in the United States as of September 2026 and tracks 63,313 professional contacts across them, including 25,165 with verified work emails. New York is the largest hub.

This list covers legal administrative outsourcing services 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

2,938Companies

63,313Contacts tracked

25,165Verified emails

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The 25 largest legal administrative outsourcing services based in the United States

Ranked by team size

Top 25 of 2,938 legal administrative outsourcing services 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 legal administrative outsourcing 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	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	Partial evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,406 contacts →
	Partial 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	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
5	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
6	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
7	Hinshaw & Culbertson LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	1,188 contacts →
	Indirect evidence “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: RevenueBase Database · checked Sep 28, 2026
8	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
9	Thompson Hine LLP	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 28, 2026	501-1,000	929 contacts →
	Indirect 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
10	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
11	Litera	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	900 contacts →
	Partial evidence “Litera has been at the forefront of legal technology for 25+ years.” Source: RevenueBase Database · checked Sep 28, 2026
12	MORAE	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	873 contacts →
	Partial 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
13	Filevine	Partial evidence	Salt Lake City, UT, United StatesHQ checked Sep 28, 2026	501-1,000	837 contacts →
	Partial evidence “Filevine is changing the way legal work gets done for law practitioners and their clients.” Source: RevenueBase Database · checked Sep 28, 2026
14	Aderant	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	501-1,000	802 contacts →
	Indirect evidence “Aderant is dedicated to helping law firms run a better business.” Source: RevenueBase Database · checked Sep 28, 2026
15	Carlton Fields	Indirect evidence	Tampa, FL, United StatesHQ checked Sep 28, 2026	501-1,000	790 contacts →
	Indirect evidence “We view the world from our clients’ perspectives, helping them to lead and innovate across industries and around the globe.” Source: RevenueBase Database · checked Sep 28, 2026
16	CT Corporation	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	788 contacts →
	Partial evidence “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Source: RevenueBase Database · checked Sep 28, 2026
17	Lexitas	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	501-1,000	768 contacts →
	Partial evidence “For legal, insurance, and corporate leaders responsible for vital outcomes, Lexitas delivers highly responsive professional services paired with powerful technology to help move…” Source: RevenueBase Database · checked Sep 28, 2026
18	Harbor	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	698 contacts →
	Partial evidence “Harbor is the preeminent provider of expert services across strategy, legal technology, operations, and intelligence.” Source: RevenueBase Database · checked Sep 28, 2026
19	U.S. Legal Support	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	675 contacts →
	Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 28, 2026
20	DTI LLC	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	537 contacts →
	Strong evidence “Founded in 1998, DTI is an industry leading legal process outsourcing (LPO) company serving law firms and corporations around the world.” Source: RevenueBase Database · checked Sep 28, 2026
21	Magna Legal Services	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 28, 2026	501-1,000	500 contacts →
	Partial evidence “Magna Legal Services provides end-to-end legal support services to law firms, corporations and governmental agencies throughout the nation.” Source: RevenueBase Database · checked Sep 28, 2026
22	Special Counsel	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 28, 2026	201-500	443 contacts →
	Partial evidence “At Special Counsel, we are a leading provider of legal consulting, attorney recruiting, legal talent, legal technology and eDiscovery solutions, with a growing international…” Source: RevenueBase Database · checked Sep 28, 2026
23	DWF Legal Operations	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	424 contacts →
	Partial evidence “DWF's Legal Operations Division (formerly Mindcrest) is the Group's alternative legal services provider, serving major corporates and law firms, globally.” Source: RevenueBase Database · checked Sep 28, 2026
24	OKS Group	Indirect evidence	Bala Cynwyd, PA, United StatesHQ checked Sep 28, 2026	1,001-5,000	416 contacts →
	Indirect evidence “Founded in 1985, OKS Group provides customized BPO and LPO services to some of the world's largest and most demanding companies.” Source: RevenueBase Database · checked Sep 28, 2026
25	IMS Legal Strategies	Partial evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	201-500	367 contacts →
	Partial evidence “IMS Legal Strategies is a trusted partner to law firms and corporations worldwide, providing the expertise and technology needed to elevate case strategies and overcome…” 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: legal administrative outsourcing 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 legal administrative outsourcing services.
Partial evidence: Its own public description names part of legal administrative outsourcing services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal administrative outsourcing 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 2,938 legal administrative outsourcing services based in the United States

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Legal administrative outsourcing services based in the United States at a glance

As of Sep 28, 2026

39.7%Verified-email coverage

21.5Average contacts per company

1-10Median size (employees)

7.0%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,031

11-50

592

51-200

191

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 2,938 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 legal administrative outsourcing 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 the United States whose own description of what they do matches “legal administrative outsourcing 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 legal administrative outsourcing 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 legal administrative outsourcing services, 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, 25,165 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.

Legal administrative outsourcing services 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 legal administrative outsourcing 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 legal administrative outsourcing services are there based in the United States?

RevenueBase identified 2,938 legal administrative outsourcing services 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 legal administrative outsourcing services?

New York leads with 207 headquartered companies, followed by Houston (89) and Los Angeles (88).

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 25,165 verified decision-maker contacts tracked across these 2,938 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.