Company lists · Data refreshed September 2026

Top 25 Legal support services law firms based in the United States

Name: Legal support services law firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 5,251 companies tracked

RevenueBase identified 5,251 legal support services law firms headquartered in the United States as of September 2026 and tracks 77,582 professional contacts across them, including 36,354 with verified work emails and 36,997 with mobile numbers. New York is the largest hub.

This list covers legal support services law firms 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

5,251Companies

77,582Contacts tracked

36,354Verified emails

36,997Mobile numbers

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The 25 largest legal support services law firms based in the United States

Ranked by team size

Top 25 of 5,251 legal support services law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names legal support services law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Consilio LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,384
	“Consilio stands as the global leader in eDiscovery, document review, flexible legal talent, and legal advisory & transformation consulting services.” Source: company website · checked Sep 4, 2026
2	Despacho DE AbogadosIndirect evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,244
	“The Gold Group is a top producing team within Keller Williams Beverly Hills family.” Source: company website · checked Sep 4, 2026
3	Faegre DrinkerIndirect evidence	Global, AZ, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,827
	“Faegre Drinker is a firm designed for clients.” Source: company website · checked Sep 4, 2026
4	Ballard Spahr LLPPartial evidence	Philadelphia, DC, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,720
	“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: company website · checked Sep 4, 2026
5	Clark Hill LAWIndirect evidence	Detroit, MI, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,355
	“At Clark Hill, our value proposition is simple.” Source: company website · checked Sep 4, 2026
6	Snell & WilmerPartial evidence	Phoenix, CA, United StatesHQ checked Sep 4, 2026	501-1,000	1,233
	“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: company website · checked Sep 4, 2026
7	QuislexStrong evidence	New York, IL, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,040
	“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: company website · checked Sep 4, 2026
8	Thompson Coburn LLPPartial evidence	Saint Louis, MO, United StatesHQ checked Sep 4, 2026	501-1,000	993
	“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: company website · checked Sep 4, 2026
9	Thompson Hine LLPPartial evidence	Cleveland, OH, United StatesHQ checked Sep 4, 2026	501-1,000	939
	“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: company website · checked Sep 4, 2026
10	Saul Ewing LLPIndirect evidence	Philadelphia, PA, United StatesHQ checked Sep 4, 2026	501-1,000	918
	“Inspired People.” Source: company website · checked Sep 4, 2026
11	ICE Miller LLPPartial evidence	Indianapolis, NY, United StatesHQ checked Sep 4, 2026	501-1,000	869
	“Built on a foundation of legal service more than a century long, Ice Miller remains committed to helping our clients stay ahead in a changing world.” Source: company website · checked Sep 4, 2026
12	BuchalterPartial evidence	Los Angeles, TN, United StatesHQ checked Sep 4, 2026	501-1,000	835
	“Buchalter is a full-service business law firm with offices in Arizona, California, Colorado, Georgia, Illinois, Oregon, Tennessee, Utah, and Washington.” Source: company website · checked Sep 4, 2026
13	Hall Booth Smith, P.CPartial evidence	Atlanta, MT, United StatesHQ checked Sep 4, 2026	501-1,000	802
	“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 32 offices across the United States.” Source: company website · checked Sep 4, 2026
14	Carlton FieldsIndirect evidence	Tampa, CT, United StatesHQ checked Sep 4, 2026	501-1,000	801
	“We view the world from our clients’ perspectives, helping them to lead and innovate across industries and around the globe.” Source: company website · checked Sep 4, 2026
15	LexitasPartial evidence	Houston, TX, United StatesHQ checked Sep 4, 2026	501-1,000	763
	“For legal, insurance, and corporate leaders responsible for vital outcomes, Lexitas delivers highly responsive professional services paired with powerful technology to help move…” Source: company website · checked Sep 4, 2026
16	Kelley Drye & Warren LLPPartial evidence	New York, CA, United StatesHQ checked Sep 4, 2026	501-1,000	686
	“Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Source: company website · checked Sep 4, 2026
17	Honigman LLPPartial evidence	Detroit, MI, United StatesHQ checked Sep 4, 2026	501-1,000	666
	“Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Source: company website · checked Sep 4, 2026
18	Armstrong TeasdaleIndirect evidence	Saint Louis, FL, United StatesHQ checked Sep 4, 2026	501-1,000	644
	“For 125 years, Armstrong Teasdale has forged long-term relationships with clients large and small around the globe.” Source: company website · checked Sep 4, 2026
19	Eckert SeamansIndirect evidence	Pittsburgh, MA, United StatesHQ checked Sep 4, 2026	501-1,000	567
	“Eckert Seamans Cherin & Mellott LLC has lawyers in offices throughout the United States, including Harrisburg, Philadelphia, and Pittsburgh, Pennsylvania; Boston, Massachusetts…” Source: company website · checked Sep 4, 2026
20	Miller CanfieldIndirect evidence	Detroit, OH, United StatesHQ checked Sep 4, 2026	201-500	543
	“Miller Canfield's collaborative approach, deep resources and network of local, regional and worldwide relationships have helped our lawyers get work done quickly, efficiently and…” Source: company website · checked Sep 4, 2026
21	GunsterStrong evidence	West Palm Beach, FL, United StatesHQ checked Sep 4, 2026	501-1,000	522
	“Gunster, Florida’s law firm for leaders, provides full-service legal counsel to leading organizations and individuals from its 13 offices statewide.” Source: company website · checked Sep 4, 2026
22	Lawyers On DemandPartial evidence	Brentwood, TN, United States	501-1,000	497
	“We help legal leaders build teams their businesses love – strategic, responsive and ready for anything.” Source: company website · checked Sep 4, 2026
23	Magna Legal ServicesStrong evidence	Philadelphia, IL, United StatesHQ checked Sep 4, 2026	501-1,000	491
	“Magna Legal Services provides end-to-end legal support services to law firms, corporations and governmental agencies throughout the nation.” Source: company website · checked Sep 4, 2026
24	Schulte Roth & Zabel LLPIndirect evidence	New York, DC, United StatesHQ checked Sep 4, 2026	501-1,000	479
	“We are now McDermott Will & Schulte.” Source: company website · checked Sep 4, 2026
25	Legal SoftStrong evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	201-500	474
	“1 Legal Industry Experts Trained Virtual Legal Staff, Law Firm Marketing & More Over Law Firms Served Legal Soft’s mission is simple, to help law firms grow, scale, and expand.” Source: company website · checked Sep 4, 2026

Showing 25 of 5,251 legal support services law firms based in the United States

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Legal support services law firms based in the United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 210 HQs

36,997Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

3,576

11-50

1,208

51-200

323

201-500

501-1,000

1,001-5,000

10001+

Verified emails by last verification

0–30

31–60

3,247

61–90

19,478

90–180

13,462

180+

167

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 support services law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 support services law firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among legal support services law firms, 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 an evidence 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, 36,354 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 4, 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 support services law firms by metro

Frequently asked

How many legal support services law firms are there based in the United States?

RevenueBase identified 5,251 legal support services law firms 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?

Consilio LLC, headquartered in Washington, tops this list with the largest team on record.

Which city has the most legal support services law firms?

New York leads with 210 headquartered companies, followed by Houston (101) and Los Angeles (98).

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 36,354 verified decision-maker contacts tracked across these 5,251 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 4, 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.