Company lists · Data refreshed September 2026

Top 25 Law firm administrative services based in the United States

Name: Law firm administrative 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 4, 2026 8,740 companies tracked

RevenueBase identified 8,740 law firm administrative services headquartered in the United States as of September 2026 and tracks 188,858 professional contacts across them, including 98,427 with verified work emails and 102,152 with mobile numbers. New York is the largest hub.

This list covers law firm administrative 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, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

8,740Companies

188,858Contacts tracked

98,427Verified emails

102,152Mobile numbers

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The 25 largest law firm administrative services based in the United States

Ranked by team size

Top 25 of 8,740 law firm administrative services 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 law firm administrative services: 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	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
2	Lewis BrisboisPartial evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	3,066
	“Established in 1979, Lewis Brisbois Bisgaard & Smith LLP is a national, full-service law firm with more than 1,600 attorneys and 54 offices in 30 states and the District of…” Source: company website · checked Sep 4, 2026
3	Gordon Rees Scully Mansukhani, LLPPartial evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,807
	“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: company website · checked Sep 4, 2026
4	Husch BlackwellPartial evidence	20+ U.s. Offices, TX, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,516
	“Husch Blackwell is a different kind of law firm–structured around our clients’ industries and built on a culture of selfless service.” Source: company website · checked Sep 4, 2026
5	Nelson Mullins Riley & ScarboroughPartial evidence	Columbia, SC, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,036
	“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Source: company website · checked Sep 4, 2026
6	Taft Stettinius & Hollister LLPIndirect evidence	Cincinnati, IN, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,963
	“At Taft, we work as one team, driven and committed to helping you succeed.” Source: company website · checked Sep 4, 2026
7	Barnes & Thornburg LLPIndirect evidence	Indianapolis, MA, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,920
	“In an evolving business landscape, we stand ready at a moment’s notice, adapting with agility and precision to achieve your highest goals.” Source: company website · checked Sep 4, 2026
8	Venable LLPPartial evidence	Washington, DC, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,791
	“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: company website · checked Sep 4, 2026
9	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
10	Dinsmore & Shohl LLPIndirect evidence	Cincinnati, OH, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,709
	“Dinsmore & Shohl LLP has a nationwide team of more than 750 attorneys who are trusted advisers to Fortune 500 companies, institutions, associations, governments, professional…” Source: company website · checked Sep 4, 2026
11	Bradley Arant Boult Cummings LLPPartial evidence	Birmingham, AL, United StatesHQ checked Sep 4, 2026	501-1,000	1,431
	“Ranked in the Am Law 100, Bradley is a national law firm with a reputation for skilled legal work, exceptional client service, and impeccable integrity.” Source: company website · checked Sep 4, 2026
12	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
13	Quarles & Brady LLPIndirect evidence	Milwaukee, WI, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,333
	“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.” Source: company website · checked Sep 4, 2026
14	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
15	Hinshaw & Culbertson LLPPartial evidence	Chicago, CA, United StatesHQ checked Sep 4, 2026	501-1,000	1,193
	“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Source: company website · checked Sep 4, 2026
16	Stinson LLPIndirect evidence	500 Attorneys. 16 Locations Nationwide., CO, United StatesHQ checked Sep 4, 2026	501-1,000	1,170
	“Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.” Source: company website · checked Sep 4, 2026
17	Quintairos, Prieto, Wood & Boyer, P.APartial evidence	Miami, FL, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,060
	“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Source: company website · checked Sep 4, 2026
18	Dickinson WrightIndirect evidence	Detroit, MI, United StatesHQ checked Sep 4, 2026	501-1,000	1,030
	“Dickinson Wright is a growing, full-service firm of experienced, creative, diverse and dedicated legal professionals.” Source: company website · checked Sep 4, 2026
19	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
20	Kutak RockIndirect evidence	United StatesHQ checked Sep 4, 2026	501-1,000	987
	“We are a U.S.” Source: company website · checked Sep 4, 2026
21	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
22	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
23	Benesch LAWPartial evidence	Cleveland, NY, United StatesHQ checked Sep 4, 2026	501-1,000	853
	“Benesch is an Am Law 200 business law firm and limited liability partnership with offices in Chicago, Cleveland, Columbus, New York, San Francisco and Wilmington.” Source: company website · checked Sep 4, 2026
24	Phelps Dunbar LLPIndirect evidence	New Orleans, LA, United StatesHQ checked Sep 4, 2026	501-1,000	826
	“As an AmLaw 200 firm, Phelps provides strategic legal counsel to businesses across the South, with 17 offices in the U.S.” Source: company website · checked Sep 4, 2026
25	AderantPartial evidence	Atlanta, CA, United StatesHQ checked Sep 4, 2026	501-1,000	816
	“Aderant is dedicated to helping law firms run a better business.” Source: company website · checked Sep 4, 2026

Showing 25 of 8,740 law firm administrative services based in the United States

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Law firm administrative services based in the United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 325 HQs

102,152Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

5,228

11-50

2,484

51-200

737

201-500

150

501-1,000

1,001-5,000

Verified emails by last verification

0–30

31–60

8,904

61–90

52,541

90–180

36,564

180+

418

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 administrative services, 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 “law firm administrative services”. 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 law firm administrative 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 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, 98,427 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.

Law firm administrative services by metro

Frequently asked

How many law firm administrative services are there based in the United States?

RevenueBase identified 8,740 law firm administrative 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?

Despacho DE Abogados, headquartered in Los Angeles, tops this list with the largest team on record.

Which city has the most law firm administrative services?

New York leads with 325 headquartered companies, followed by Chicago (191) and Los Angeles (179).

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 98,427 verified decision-maker contacts tracked across these 8,740 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.