Company lists · Data verified August 2026

Top 25 Chemical patent law firms based in the United Kingdom

Name: Chemical patent 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 51 companies tracked

There are 51 chemical patent law firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,529 professional contacts across them, including 908 with verified work emails and 103 with mobile numbers. London is the largest hub.

This list covers chemical patent 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.

51Companies

1,529Contacts tracked

908Verified emails

103Mobile numbers

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The 25 largest chemical patent law firms based in the United Kingdom

Ranked by team size

Top 25 of 51 chemical patent 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	Marks & Clerk	Oxford	501-1,000	568	310
2	J A Kemp	London	201-500	225	173
3	Appleyard Lees IP LLP	London	51-200	171	135
4	Wissen Research	Barking	51-200	122	26
5	HG LAW LLP	London	51-200	98	81
6	Kanalysis	Eastbourne	51-200	83	31
7	Beck Greener LLP	London	51-200	44	36
8	Dummett Copp LLP	Ipswich	11-50	24	20
9	Avidity IP	Stratford-Upon-Avon	51-200	17	9
10	Ik-Ip LTD	London	11-50	16	10
11	AA Thornton	London	201-500	15	4
12	Patent Boutique LLP	London	11-50	13	11
13	Williams Powell	London	11-50	13	11
14	Sagittarius IP	Cambridge	11-50	13	2
15	Mohun Aldridge Sykes, Intellectual Property Attorneys	Leeds	11-50	10	7
16	Mcdaniels LAW	Gateshead	11-50	10	2
17	Mathisen & Macara LLP	Staines	11-50	9	6
18	Symbiosis IP	Sheffield	1-10	8	7
19	Optimus Patents Limited	Basingstoke	11-50	4	4
20	Ip2 Patentanwalts Gmbh	Cambridge	11-50	4	3
21	Sterling IP	Welwyn Garden City	1-10	4	3
22	Cranach Patent Attorneys	Aberdeen	1-10	4	3
23	Brookes IP	Tunbridge Wells	51-200	4	1
24	Evolve	Cambridge	1-10	3	3
25	WIZ & Wits IP Attorneys	London	1-10	3	2

Showing 25 of 51 chemical patent law firms based in the United Kingdom

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Chemical patent law firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 18 HQs

103Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Chemical patent law firms by metro

Metro	Companies
Chemical patent law firms in London	18
Chemical patent law firms in Cambridge	4
Chemical patent law firms in Stratford-Upon-Avon	2
Chemical patent law firms in Manchester	1
Chemical patent law firms in Glasgow	1
Chemical patent law firms in Bakewell	1
Chemical patent law firms in Cheadle	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 “chemical patent 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; 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 chemical patent law firms are there based in the United Kingdom?

There are 51 chemical patent law firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Marks & Clerk, headquartered in Oxford, tops this list with the largest team on record.

Which city has the most chemical patent law firms?

London leads with 18 headquartered companies, followed by Cambridge (4) and Stratford-Upon-Avon (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 908 verified decision-maker contacts tracked across these 51 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.