Company lists · Data verified August 2026

Top 25 Candidate assessment platforms based in the United Kingdom

Name: Candidate assessment platforms 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 215 companies tracked

There are 215 candidate assessment platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,820 professional contacts across them, including 512 with verified work emails and 132 with mobile numbers. London is the largest hub.

This list covers candidate assessment platforms 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.

215Companies

1,820Contacts tracked

512Verified emails

132Mobile numbers

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The 25 largest candidate assessment platforms based in the United Kingdom

Ranked by team size

Top 25 of 215 candidate assessment platforms 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	Codility	London	51-200	121	58
2	Clevry	Brighton	51-200	111	39
3	Rare Recruitment	London	11-50	97	3
4	Headstart Defunct	London	11-50	95	1
5	Tribepad B Corp Certified	Sheffield	51-200	67	44
6	sapia.ai	London	51-200	57	44
7	Arctic Shores	Manchester	51-200	46	22
8	Modern Hire	London	201-500	41	1
9	WCN Intelligent Talent Acquisition Suite	London	51-200	39	8
10	Spotted Zebra	London	51-200	37	27
11	Unseen	London	51-200	35	19
12	metatalent.ai	London	51-200	34	5
13	Inploi	London	11-50	29	17
14	TEMPO	London	11-50	27	1
15	Graduates First JOB Assessment Experts	Huddersfield	11-50	22	6
16	Screenloop	London	51-200	21	8
17	IKM Teckchek	Croydon	11-50	19	7
18	Teamdash ǀ Recruitment Software	London	11-50	18	15
19	Vinter AI Recruitment Platform	London	11-50	18	6
20	salve.inno	London	11-50	16	1
21	ZEPUL	London	11-50	14	3
22	Hospitaliti	London	11-50	14	3
23	Blue Octopus By Iris	Leeds	11-50	13	2
24	Talent Funnel	Thame	11-50	12	9
25	Evidenced	London	11-50	11	6

Showing 25 of 215 candidate assessment platforms based in the United Kingdom

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Candidate assessment platforms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 133 HQs

132Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

123

11-50

51-200

201-500

Candidate assessment platforms by metro

Metro	Companies
Candidate assessment platforms in London	133
Candidate assessment platforms in Manchester	5
Candidate assessment platforms in Birmingham	4
Candidate assessment platforms in Leeds	4
Candidate assessment platforms in Oxford	4
Candidate assessment platforms in Belfast	3
Candidate assessment platforms in York	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 “candidate assessment platforms”, 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; 2 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 candidate assessment platforms are there based in the United Kingdom?

There are 215 candidate assessment platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Codility, headquartered in London, tops this list with the largest team on record.

Which city has the most candidate assessment platforms?

London leads with 133 headquartered companies, followed by Manchester (5) and Birmingham (4).

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 512 verified decision-maker contacts tracked across these 215 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.