Company lists · Data verified August 2026

Top 25 Antitrust law firms based in London, United Kingdom

Name: Antitrust law firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 49 companies tracked

There are 49 antitrust law firms headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,590 professional contacts across them, including 1,495 with verified work emails and 527 with mobile numbers. London is the largest hub.

This list covers antitrust law firms headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

49Companies

3,590Contacts tracked

1,495Verified emails

527Mobile numbers

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The 25 largest antitrust law firms based in London, United Kingdom

Ranked by team size

Top 25 of 49 antitrust law firms based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Slaughter And MAY	London	1,001-5,000	1,955	1,061
2	Gatti Pavesi Bianchi Ludovici	London	51-200	200	142
3	Peters & Peters	London	51-200	130	94
4	Concurrences	London	11-50	62	31
5	ITN Solicitors	London	11-50	33	22
6	Corker Binning	London	11-50	32	19
7	CM Murray LLP	London	11-50	30	26
8	Mayer Brown International LLP	London	11-50	28	19
9	Karam, Missick & Traube	London	11-50	15	12
10	Towerhouse LLP	London	11-50	14	12
11	Hill Dickinson	London	1,001-5,000	13	4
12	Lewis Mathys Emmerson LLP	London	1-10	12	11
13	WT LAW LLP	London	11-50	8	3
14	GF Legal	London	11-50	7	6
15	Kastle Solicitors	London	1-10	6	5
16	Mcfaddens LLP	London	1-10	6	3
17	Morgan Rose Solicitors	London	1-10	5	2
18	Cassadys Solicitors	London	1-10	5	2
19	Robertson Pugh Associates LLP	London	1-10	5	1
20	NOCON	London	1-10	4	2
21	LMS Legal LLP	London	51-200	3	2
22	Berkeley Legal	London	11-50	3	2
23	Tuppers LAW	London	1-10	3	2
24	SGM LAW	London	1-10	2	2
25	Samuel Ross Solicitors	London	n/a	2	2

Showing 25 of 49 antitrust law firms based in London, United Kingdom

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Antitrust law firms based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 49 HQs

527Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Antitrust law firms by metro in the United Kingdom

Metro	Companies
Antitrust law firms in London	49
Antitrust law firms in Bristol	3
Antitrust law firms in Glasgow	2
Antitrust law firms in Kings Lynn	1
Antitrust law firms in Milton Keynes	1
Antitrust law firms in Belfast	1
Antitrust law firms in Maidstone	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “antitrust law firms”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many antitrust law firms are there based in London, United Kingdom?

There are 49 antitrust law firms headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Slaughter And MAY, headquartered in London, tops this list with the largest team on record.

Which city has the most antitrust law firms?

London leads with 49 headquartered companies, followed by Bristol (3) and Glasgow (2).

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 1,495 verified decision-maker contacts tracked across these 49 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.