Company lists · Data verified August 2026

Top 25 Candidate assessment software based in the United Kingdom

Name: Candidate assessment software 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 99 companies tracked

There are 99 candidate assessment software headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 904 professional contacts across them, including 304 with verified work emails and 72 with mobile numbers. London is the largest hub.

This list covers candidate assessment software 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.

99Companies

904Contacts tracked

304Verified emails

72Mobile numbers

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The 25 largest candidate assessment software based in the United Kingdom

Ranked by team size

Top 25 of 99 candidate assessment software 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	sapia.ai	London	51-200	57	44
4	Modern Hire	London	201-500	41	1
5	Spotted Zebra	London	51-200	37	27
6	Equalture	London	11-50	36	23
7	Unseen	London	51-200	35	19
8	Inovai8	n/a	1-10	24	2
9	Graduates First JOB Assessment Experts	Huddersfield	11-50	22	6
10	IKM Teckchek	Croydon	11-50	19	7
11	Equitas	Belfast	1-10	18	7
12	Vinter AI Recruitment Platform	London	11-50	18	6
13	salve.inno	London	11-50	16	1
14	ZEPUL	London	11-50	14	3
15	Shortlister	York	11-50	11	8
16	Reach ATS	Bromsgrove	11-50	9	6
17	VEER	London	1-10	9	4
18	Bytehire	Wide	11-50	9	3
19	Neuroworx	London	11-50	8	5
20	Assess Candidates	Huddersfield	11-50	8	2
21	Sammi Select	Guildford	1-10	6	5
22	Topscore Unseen Group	London	1-10	6	4
23	Assess Management LTD Validateskills.com	Wilts	1-10	5	2
24	accelerate.io	London	1-10	5	2
25	Launchpad Recruits NOW Harver	London	201-500	5	1

Showing 25 of 99 candidate assessment software based in the United Kingdom

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Candidate assessment software based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 60 HQs

72Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Candidate assessment software by metro

Metro	Companies
Candidate assessment software in London	60
Candidate assessment software in Belfast	3
Candidate assessment software in Brighton	2
Candidate assessment software in Oxford	2
Candidate assessment software in Huddersfield	2
Candidate assessment software in Bournemouth	1
Candidate assessment software in Manchester	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 “candidate assessment software”, 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 software are there based in the United Kingdom?

There are 99 candidate assessment software 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 software?

London leads with 60 headquartered companies, followed by Belfast (3) and Brighton (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 304 verified decision-maker contacts tracked across these 99 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.