Company lists · Data verified August 2026

Top 25 Diagnostic companies venture capital firms based in the United Kingdom

Name: Diagnostic companies venture capital 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 232 companies tracked

There are 232 diagnostic companies venture capital firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 30,310 professional contacts across them, including 13,103 with verified work emails and 8,213 with mobile numbers. London is the largest hub.

This list covers diagnostic companies venture capital 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.

232Companies

30,310Contacts tracked

13,103Verified emails

8,213Mobile numbers

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The 25 largest diagnostic companies venture capital firms based in the United Kingdom

Ranked by team size

Top 25 of 232 diagnostic companies venture capital 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	Exact Sciences	Oxford	5,001-10,000	6,018	3,542
2	Cepheid	High Wycombe	5,001-10,000	4,488	2,133
3	Leica Biosystems	Newcastle Upon Tyne	1,001-5,000	2,351	1,308
4	Integrated Diagnostics Holdings - IDH	St Helier	5,001-10,000	1,155	114
5	LGC	London	1,001-5,000	1,143	587
6	Immunodiagnostic Systems IDS	Boldon	201-500	551	117
7	Sekisui Diagnostics	Maidstone	201-500	441	257
8	LGC Biosearch Technologies	Hoddesdon	501-1,000	435	31
9	Lumiradx	London	501-1,000	367	285
10	Genova Diagnostics	New Malden	201-500	306	116
11	Trajan Scientific And Medical	Chester	501-1,000	272	186
12	Synlab UK & Ireland	London	1,001-5,000	261	134
13	Randox Health	Liverpool	1,001-5,000	186	33
14	Eight Roads	London	51-200	172	118
15	Osler Diagnostics	Oxford	51-200	142	87
16	EKF Diagnostics	Cardiff	201-500	123	75
17	OGT	Kidlington	51-200	113	72
18	INUVI	Wokingham	201-500	92	55
19	Binx Health	Trowbridge	51-200	90	70
20	Mast Group LTD	Liverpool	51-200	82	25
21	DAM Health	Liverpool	51-200	80	3
22	Werfen UK	Warrington	51-200	68	51
23	Helena Biosciences	Estate	51-200	62	31
24	LEX Diagnostics	Melbourn	11-50	49	34
25	Labcorp Limited	Princes Risborough	11-50	48	19

Showing 25 of 232 diagnostic companies venture capital firms based in the United Kingdom

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Diagnostic companies venture capital firms based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 61 HQs

8,213Contacts with mobile numbers

12Emails 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

5,001-10,000

Diagnostic companies venture capital firms by metro

Metro	Companies
Diagnostic companies venture capital firms in London	61
Diagnostic companies venture capital firms in Cambridge	15
Diagnostic companies venture capital firms in Oxford	6
Diagnostic companies venture capital firms in Manchester	5
Diagnostic companies venture capital firms in Liverpool	5
Diagnostic companies venture capital firms in Newcastle Upon Tyne	4
Diagnostic companies venture capital firms in Glasgow	3

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 “diagnostic companies venture capital 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; 12 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 diagnostic companies venture capital firms are there based in the United Kingdom?

There are 232 diagnostic companies venture capital firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Exact Sciences, headquartered in Oxford, tops this list with the largest team on record.

Which city has the most diagnostic companies venture capital firms?

London leads with 61 headquartered companies, followed by Cambridge (15) and Oxford (6).

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 13,103 verified decision-maker contacts tracked across these 232 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.