Company lists · Data verified August 2026

Top 25 Derivatives law firms based in the United Kingdom

Name: Derivatives law firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 188 companies tracked

There are 188 derivatives law firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 8,935 professional contacts across them, including 5,242 with verified work emails and 675 with mobile numbers. London is the largest hub.

This list covers derivatives law firms headquartered in the 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.

188Companies

8,935Contacts tracked

5,242Verified emails

675Mobile numbers

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The 25 largest derivatives law firms based in the United Kingdom

Ranked by team size

Top 25 of 188 derivatives law firms based in the 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	Kennedys	Chelmsford	1,001-5,000	2,860	1,624
2	Hill Dickinson LLP	Leeds	1,001-5,000	1,246	735
3	Mccann Fitzgerald LLP	London	501-1,000	628	411
4	Stewarts	Leeds	201-500	502	320
5	Talbots LAW	Stourbridge	501-1,000	414	329
6	FOX Williams	London	51-200	222	178
7	Gatti Pavesi Bianchi Ludovici	London	51-200	200	142
8	Dutton Gregory Solicitors	Winchester	51-200	192	117
9	LK	London	51-200	167	59
10	Lalive	London	51-200	161	123
11	Gaby Hardwicke Solicitors	Bexhill On Sea	51-200	112	64
12	Harrowells Limited	Easingwold	51-200	105	60
13	Gosschalks LLP	Hull	51-200	101	23
14	Clifton Ingram LLP Solicitors	Reading	51-200	100	74
15	Hunters LAW LLP	London	51-200	96	83
16	Enyo LAW LLP	London	51-200	79	61
17	Pearson Solicitors And Financial Advisers LTD	Ashton Under Lyne	51-200	65	42
18	Berry & Lamberts Solicitors	Paddock Wood	51-200	53	33
19	Mills Selig	Belfast	51-200	51	49
20	Geoffrey Leaver Solicitors LLP	Bucks	51-200	49	33
21	Mariana UFP LLP	London	51-200	49	4
22	Rosling King LLP	London	51-200	46	30
23	Kingsley Bond Solicitors	n/a	51-200	42	26
24	Rosenblatt LAW	London	51-200	38	26
25	Cooke, Young & Keidan LLP	London	11-50	37	35

Showing 25 of 188 derivatives law firms based in the United Kingdom

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Derivatives law firms based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 95 HQs

675Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Derivatives law firms by metro

Metro	Companies
Derivatives law firms in London	95
Derivatives law firms in Leeds	5
Derivatives law firms in Birmingham	5
Derivatives law firms in Manchester	4
Derivatives law firms in Bristol	3
Derivatives law firms in Belfast	3
Derivatives law firms in Holywood	2

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 “derivatives law firms”, with match quality audited by blind human judging, and headquartered in the 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; 10 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 derivatives law firms are there based in the United Kingdom?

There are 188 derivatives law firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Kennedys, headquartered in Chelmsford, tops this list with the largest team on record.

Which city has the most derivatives law firms?

London leads with 95 headquartered companies, followed by Leeds (5) and Birmingham (5).

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 5,242 verified decision-maker contacts tracked across these 188 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.