Company lists · Data verified August 2026

Top 25 Education assessment software companies based in the United Kingdom

Name: Education assessment software companies 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 95 companies tracked

There are 95 education assessment software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,386 professional contacts across them, including 1,636 with verified work emails and 1,305 with mobile numbers. London is the largest hub.

This list covers education assessment software companies 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.

95Companies

4,386Contacts tracked

1,636Verified emails

1,305Mobile numbers

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The 25 largest education assessment software companies based in the United Kingdom

Ranked by team size

Top 25 of 95 education assessment software companies 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	Renaissance Learning	London	1,001-5,000	1,902	1,165
2	PSI Services LLC	Guildford	1,001-5,000	1,010	2
3	BTL	Saltaire	51-200	381	9
4	Vretta	London	51-200	126	54
5	Century Tech	London	51-200	90	53
6	GL Education	Houghton-Le-Spring	201-500	69	34
7	GL Assessment	London	201-500	63	36
8	Cadmus	London	51-200	61	33
9	Angel Solutions	Liverpool	11-50	56	35
10	Oxed And Assessment	Oxford	11-50	46	18
11	Tomax-Think Academy	n/a	51-200	35	15
12	Tabbieme	London	11-50	31	4
13	Doublestruck	London	11-50	28	21
14	AQA Global Assessment Services	London	51-200	25	14
15	Wonders Of Maths	London	1-10	24	1
16	ZZISH	London	11-50	16	5
17	Certify Assessment Solutions	Manchester	1-10	15	11
18	SYNAP	Leeds	11-50	14	12
19	keath.ai	Headquarters	11-50	14	6
20	Skilltech Solutions	Ely	11-50	13	8
21	Oxford Measured	Oxford	11-50	13	8
22	Derventio Education	Derby	11-50	13	7
23	Grademaker LTD	Bristol	11-50	11	6
24	Smartgrade	Bristol	1-10	10	5
25	Sainaptic	London	1-10	10	5

Showing 25 of 95 education assessment software companies based in the United Kingdom

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Education assessment software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 34 HQs

1,305Contacts with mobile numbers

8Emails 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

Education assessment software companies by metro

Metro	Companies
Education assessment software companies in London	34
Education assessment software companies in Oxford	5
Education assessment software companies in Manchester	4
Education assessment software companies in Exeter	2
Education assessment software companies in Derby	2
Education assessment software companies in Bristol	2
Education assessment software companies in Brentford	2

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 “education assessment software companies”, 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; 8 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 education assessment software companies are there based in the United Kingdom?

There are 95 education assessment software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most education assessment software companies?

London leads with 34 headquartered companies, followed by Oxford (5) and Manchester (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 1,636 verified decision-maker contacts tracked across these 95 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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Education assessment software companies 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.