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, its RevenueBase Smart Search rating, 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 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 RevenueBase Smart Search rating 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. RevenueBase Smart Search rates how each company's information relates to legal support services law firms: 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	Consilio LLC	Partial evidence	Washington, DC, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,384 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 4, 2026
2	Despacho DE Abogados	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,244 contacts →
	Indirect evidence “The Gold Group is a top producing team within Keller Williams Beverly Hills family.” Source: RevenueBase Database · checked Sep 4, 2026
3	Faegre Drinker	Indirect evidence	Global, AZ, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,827 contacts →
	Indirect evidence “Faegre Drinker is a firm designed for clients.” Source: RevenueBase Database · checked Sep 4, 2026
4	Ballard Spahr LLP	Partial evidence	Philadelphia, DC, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,720 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 4, 2026
5	Clark Hill LAW	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,355 contacts →
	Indirect evidence “At Clark Hill, our value proposition is simple.” Source: RevenueBase Database · checked Sep 4, 2026
6	Snell & Wilmer	Partial evidence	Phoenix, CA, United StatesHQ checked Sep 4, 2026	501-1,000	1,233 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 4, 2026
7	Quislex	Strong evidence	New York, IL, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,040 contacts →
	Strong 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 4, 2026
8	Thompson Coburn LLP	Partial evidence	Saint Louis, MO, United StatesHQ checked Sep 4, 2026	501-1,000	993 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 4, 2026
9	Thompson Hine LLP	Partial evidence	Cleveland, OH, United StatesHQ checked Sep 4, 2026	501-1,000	939 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 4, 2026
10	Saul Ewing LLP	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 4, 2026	501-1,000	918 contacts →
	Indirect evidence “Inspired People.” Source: RevenueBase Database · checked Sep 4, 2026
11	ICE Miller LLP	Partial evidence	Indianapolis, NY, United StatesHQ checked Sep 4, 2026	501-1,000	869 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 4, 2026
12	Buchalter	Partial evidence	Los Angeles, TN, United StatesHQ checked Sep 4, 2026	501-1,000	835 contacts →
	Partial evidence “Buchalter is a full-service business law firm with offices in Arizona, California, Colorado, Georgia, Illinois, Oregon, Tennessee, Utah, and Washington.” Source: RevenueBase Database · checked Sep 4, 2026
13	Hall Booth Smith, P.C	Partial evidence	Atlanta, MT, United StatesHQ checked Sep 4, 2026	501-1,000	802 contacts →
	Partial evidence “Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 32 offices across the United States.” Source: RevenueBase Database · checked Sep 4, 2026
14	Carlton Fields	Indirect evidence	Tampa, CT, United StatesHQ checked Sep 4, 2026	501-1,000	801 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 4, 2026
15	Lexitas	Partial evidence	Houston, TX, United StatesHQ checked Sep 4, 2026	501-1,000	763 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 4, 2026
16	Kelley Drye & Warren LLP	Partial evidence	New York, CA, United StatesHQ checked Sep 4, 2026	501-1,000	686 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 4, 2026
17	Honigman LLP	Partial evidence	Detroit, MI, United StatesHQ checked Sep 4, 2026	501-1,000	666 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 4, 2026
18	Armstrong Teasdale	Indirect evidence	Saint Louis, FL, United StatesHQ checked Sep 4, 2026	501-1,000	644 contacts →
	Indirect evidence “For 125 years, Armstrong Teasdale has forged long-term relationships with clients large and small around the globe.” Source: RevenueBase Database · checked Sep 4, 2026
19	Eckert Seamans	Indirect evidence	Pittsburgh, MA, United StatesHQ checked Sep 4, 2026	501-1,000	567 contacts →
	Indirect evidence “Eckert Seamans Cherin & Mellott LLC has lawyers in offices throughout the United States, including Harrisburg, Philadelphia, and Pittsburgh, Pennsylvania; Boston, Massachusetts…” Source: RevenueBase Database · checked Sep 4, 2026
20	Miller Canfield	Indirect evidence	Detroit, OH, United StatesHQ checked Sep 4, 2026	201-500	543 contacts →
	Indirect evidence “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: RevenueBase Database · checked Sep 4, 2026
21	Gunster	Strong evidence	West Palm Beach, FL, United StatesHQ checked Sep 4, 2026	501-1,000	522 contacts →
	Strong evidence “Gunster, Florida’s law firm for leaders, provides full-service legal counsel to leading organizations and individuals from its 13 offices statewide.” Source: RevenueBase Database · checked Sep 4, 2026
22	Lawyers On Demand	Partial evidence	Brentwood, TN, United States	501-1,000	497 contacts →
	Partial evidence “We help legal leaders build teams their businesses love – strategic, responsive and ready for anything.” Source: RevenueBase Database · checked Sep 4, 2026
23	Magna Legal Services	Strong evidence	Philadelphia, IL, United StatesHQ checked Sep 4, 2026	501-1,000	491 contacts →
	Strong 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 4, 2026
24	Schulte Roth & Zabel LLP	Indirect evidence	New York, DC, United StatesHQ checked Sep 4, 2026	501-1,000	479 contacts →
	Indirect evidence “We are now McDermott Will & Schulte.” Source: RevenueBase Database · checked Sep 4, 2026
25	Legal Soft	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	201-500	474 contacts →
	Strong evidence “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: RevenueBase Database · checked Sep 4, 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 support services law firms. 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 support services law firms.
Partial evidence: Its own public description names part of legal support services law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal support services law firms. 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 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

46.9%Verified-email coverage

47.7%Mobile-number coverage

14.8Average contacts per company

1-10Median size (employees)

4.0%Largest-city concentration · New York

Sep 4, 2026Page data 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+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

3,24731–60

19,47861–90

13,46290–180

167180+

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 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 support services law firms”. 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 support services law firms), 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 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 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, 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

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 support services law firms, 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 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 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.