Company lists · Data refreshed September 2026

Top 25 Full-service business law firms worldwide

RevenueBase identified 96,246 full-service business law firms worldwide as of September 2026 and tracks 1,517,854 professional contacts across them, including 708,300 with verified work emails and 367,338 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers full-service business law firms worldwide, 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 30, 2026. Country and city lists for full-service business law firms follow the table.

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 30, 2026 86% judged on-target in blind review
96,246Companies
1,517,854Contacts tracked
708,300Verified emails
367,338Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest full-service business law firms worldwide

Ranked by team size
Top 25 of 96,246 full-service business law firms worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to full-service business 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceChicago, IL, United StatesHQ checked Sep 30, 202610001+9,815 contacts →

Indirect evidence

“Baker McKenzie empowers clients to compete in the global economy.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceLondon, United StatesHQ checked Sep 30, 20265,001-10,0008,589 contacts →

Partial evidence

“Norton Rose Fulbright provides a full scope of legal services to the world’s preeminent corporations and financial institutions.”

Source: RevenueBase Database · checked Sep 30, 2026
3Partial evidenceChicago, IL, United StatesHQ checked Sep 30, 20265,001-10,0008,449 contacts →

Partial evidence

“As one of the world’s leading law firms, we serve a broad range of clients with market-leading practices in private equity, M&A and other complex corporate transactions…”

Source: RevenueBase Database · checked Sep 30, 2026
4Partial evidenceNew York, United StatesHQ checked Sep 30, 20261,001-5,0008,191 contacts →

Partial evidence

“Latham & Watkins is a global law firm with more than 3,500 lawyers in its offices located in Asia, Europe, the Middle East and the United States.”

Source: RevenueBase Database · checked Sep 30, 2026
5Partial evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,0007,673 contacts →

Partial evidence

“We are a global law firm dedicated to creating advantage for our clients.”

Source: RevenueBase Database · checked Sep 30, 2026
6Partial evidenceNew York, NY, United StatesHQ checked Sep 30, 20261,001-5,0007,485 contacts →

Partial evidence

“White & Case is a global law firm with longstanding offices in the markets that matter today.”

Source: RevenueBase Database · checked Sep 30, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 30, 20261,001-5,0006,805 contacts →

Partial evidence

“Linklaters is a leading global law firm, supporting and investing in the future of our clients wherever they do business.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceHamburg, United KingdomHQ checked Sep 30, 20265,001-10,0006,574 contacts →

Partial evidence

“A&O Shearman transforms the way law is practiced, to deliver unparalleled results for our clients' most complex matters – everywhere in the world.”

Source: RevenueBase Database · checked Sep 30, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,0006,487 contacts →

Partial evidence

“Freshfields is a global firm with over 280 years’ experience of anticipating change, setting new standards and shaping the future of law.”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 30, 2026n/a6,284 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 30, 20265,001-10,0005,941 contacts →

Indirect evidence

“With its singular tradition and widely recognized record of client service, Jones Day provides formidable legal talent across multiple disciplines and jurisdictions through the…”

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceChicago, IL, United StatesHQ checked Sep 30, 20261,001-5,0005,169 contacts →

Partial evidence

“Sidley is an elite global law firm.”

Source: RevenueBase Database · checked Sep 30, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,0005,079 contacts →

Partial evidence

“Clyde & Co is a leading global law firm, helping organisations successfully navigate risk and maximise opportunity in the sectors that underpin global trade and commercial…”

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 30, 20261,001-5,0004,861 contacts →

Indirect evidence

“At K&L Gates, we foster an inclusive and collaborative environment across our fully integrated global platform that enables us to diligently combine the knowledge and expertise of…”

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 30, 20261,001-5,0004,832 contacts →

Partial evidence

“From our offices in strategic hubs of commerce, law, and government across North America, Asia, Europe, and the Middle East, we work with clients ranging from established, global…”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20261,001-5,0004,611 contacts →

Indirect evidence

“Ashurst has combined with Perkins Coie to form Ashurst Perkins Coie.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceNew York, NY, United StatesHQ checked Sep 30, 20261,001-5,0004,540 contacts →

Indirect evidence

“Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…”

Source: RevenueBase Database · checked Sep 30, 2026
18Partial evidenceTampa, FL, United StatesHQ checked Sep 30, 20261,001-5,0004,317 contacts →

Partial evidence

“Holland & Knight is a global law firm with more than 2,200 lawyers and other professionals in 35 offices throughout the world.”

Source: RevenueBase Database · checked Sep 30, 2026
19Partial evidenceChicago, IL, United StatesHQ checked Sep 30, 20261,001-5,0004,177 contacts →

Partial evidence

“Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…”

Source: RevenueBase Database · checked Sep 30, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 30, 20265,001-10,0003,981 contacts →

Partial evidence

“A pioneering global law practice, we provide high quality legal advice and innovation worldwide.”

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20261,001-5,0003,870 contacts →

Indirect evidence

“Pinsent Masons is a multinational professional services business with a robust legal foundation, operating with a clear purpose-led strategy.”

Source: RevenueBase Database · checked Sep 30, 2026
22Partial evidenceLos Angeles, CA, United StatesHQ checked Sep 30, 20261,001-5,0003,735 contacts →

Partial evidence

“Gibson Dunn is a leading global law firm, advising clients on significant transactions and disputes.”

Source: RevenueBase Database · checked Sep 30, 2026
23Partial evidenceAustin, TX, United StatesHQ checked Sep 30, 20261,001-5,0003,678 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 30, 2026
24Indirect evidenceBoston, MA, United StatesHQ checked Sep 30, 20265,001-10,0003,582 contacts →

Indirect evidence

“At Goodwin, we live your business.”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceLondon, United KingdomHQ checked Sep 30, 20261,001-5,0003,380 contacts →

Indirect evidence

“DWF is a leading global provider of integrated legal and business services.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 96,246 full-service business law firms worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 708,300 reachable decision-makers.

Free signup · no credit card

View the full list →

Full-service business law firms worldwide at a glance

As of Sep 30, 2026
46.7%Verified-email coverage
24.2%Mobile-number coverage
15.8Average contacts per company
1-10Median size (employees)
4.5%Largest-city concentration · Sao Paulo
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
63,773
11-50
25,465
51-200
4,903
201-500
829
501-1,000
274
1,001-5,000
249
5,001-10,000
18
10001+
18

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 full-service business 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.
Coverage
44 countries, largest first: the United States, Brazil, the United Kingdom, Spain, Germany, Canada, Australia, France, Italy, Mexico and 34 more. Country and city lists for full-service business law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “full-service business 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 full-service business 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 full-service business law firms, and records with no verified work email.
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, 708,300 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 30, 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.

Full-service business law firms by location

443 lists · largest first

Every Full-service business law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 full-service business 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 full-service business law firms are there worldwide?

RevenueBase identified 96,246 full-service business law firms worldwide 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?

Baker Mckenzie, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most full-service business law firms?

The United States leads with 31,590 companies, followed by Brazil (18,780) and the United Kingdom (4,697). Every full-service business law firms list by country and city is linked on this page.

Which city has the most full-service business law firms?

Sao Paulo leads with 4370 headquartered companies, followed by New York (1625) and London (1416).

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 708,300 verified decision-maker contacts tracked across these 96,246 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 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 96,246 full-service business law firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.