Company lists · Data verified August 2026

Top 25 Competency assessment software providers based in the United Kingdom

Name: Competency assessment software providers 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 74 companies tracked

There are 74 competency assessment software providers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,037 professional contacts across them, including 300 with verified work emails and 377 with mobile numbers. London is the largest hub.

This list covers competency assessment software providers 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.

74Companies

2,037Contacts tracked

300Verified emails

377Mobile numbers

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The 25 largest competency assessment software providers based in the United Kingdom

Ranked by team size

Top 25 of 74 competency assessment software providers 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	PSI Services LLC	Guildford	1,001-5,000	1,010	2
2	BTL	Saltaire	51-200	381	9
3	Vretta	London	51-200	126	54
4	GL Education	Houghton-Le-Spring	201-500	69	34
5	GL Assessment	London	201-500	63	36
6	Ecom Learning Solutions	Dunfermline	11-50	30	19
7	Doublestruck	London	11-50	28	21
8	Cognisco	Cranfield	11-50	25	12
9	ZZISH	London	11-50	16	5
10	SYNAP	Leeds	11-50	14	12
11	Comaea Workforce Capability Assurance Platform	London	11-50	14	9
12	keath.ai	Headquarters	11-50	14	6
13	Derventio Education	Derby	11-50	13	7
14	Grademaker LTD	Bristol	11-50	11	6
15	Renaissance UK & Ireland	Brentford	201-500	11	5
16	ITB Competence Assurance LTD	Aberdeen	1-10	11	4
17	Think Eleven Limited	Seaham	1-10	10	8
18	Competency Cloud	London	11-50	9	7
19	Speedwell Software	Chittering	11-50	9	4
20	Teacher Success Platform TSP	York	1-10	6	4
21	Topscore Unseen Group	London	1-10	6	4
22	CR Systems	Newport	11-50	6	2
23	Sisra Part Of Juniper Education Group	n/a	11-50	5	2
24	Online Profiling Limited	Lutterworth	1-10	5	2
25	Assess Management LTD Validateskills.com	Wilts	1-10	5	2

Showing 25 of 74 competency assessment software providers based in the United Kingdom

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Competency assessment software providers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 17 HQs

377Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Competency assessment software providers by metro

Metro	Companies
Competency assessment software providers in London	17
Competency assessment software providers in Derby	2
Competency assessment software providers in Bristol	2
Competency assessment software providers in Brentford	2
Competency assessment software providers in Edinburgh	2
Competency assessment software providers in Kings Lynn	2
Competency assessment software providers in Oxford	2
Competency assessment software providers in York	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 “competency assessment software providers”, 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; 4 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 competency assessment software providers are there based in the United Kingdom?

There are 74 competency assessment software providers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

PSI Services LLC, headquartered in Guildford, tops this list with the largest team on record.

Which city has the most competency assessment software providers?

London leads with 17 headquartered companies, followed by Derby (2) and Bristol (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 300 verified decision-maker contacts tracked across these 74 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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Related lists

Competency assessment software providers by geography

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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.