Company lists · Data verified August 2026

Top 25 Certification platforms based in the United Kingdom

Name: Certification 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 66 companies tracked

There are 66 certification platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,343 professional contacts across them, including 111 with verified work emails and 348 with mobile numbers. London is the largest hub.

This list covers certification 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.

66Companies

1,343Contacts tracked

111Verified emails

348Mobile numbers

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The 25 largest certification platforms based in the United Kingdom

Ranked by team size

Top 25 of 66 certification 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	PSI Services LLC	Guildford	1,001-5,000	1,010	2
2	Alphaplus	Manchester Manchester	11-50	84	46
3	Intech Centre	London	11-50	18	3
4	SYNAP	Leeds	11-50	14	12
5	Cifa Certified Institute For Further Accreditation	London	11-50	14	5
6	GEL	St. Albans	51-200	14	1
7	Saferec	London	1-10	12	5
8	Mediapharm	n/a	1-10	9	3
9	Crystal&co	Harrow	11-50	9	1
10	Digitalrg	Town	11-50	8	4
11	Certified CPD	London	1-10	7	2
12	Rmjpi London Business Academy	Crawley	11-50	7	1
13	Creators Academy	Sunderland	1-10	6	3
14	QAI UK	Nottingham	11-50	5	3
15	Coursecheck	Forest Row	1-10	4	4
16	Open CPD	London	1-10	4	2
17	Marlow Business School	Marlow	51-200	4	1
18	Youcap LTD	London	1-10	3	3
19	Blockmark Technologies LTD	Malvern	1-10	3	3
20	Certified File Transfer Professional Cftp Training Programme	Christchurch	11-50	3	1
21	Clicklms	Crewe	1-10	3	1
22	Myprofessionalpassport	Newcastle Upon Tyne	1-10	2	1
23	PS Professional	London	11-50	1	1
24	The Compliance & Skills Academy LTD	Cheshire	1-10	1	1
25	Novo Learning Limited	Gloucester	1-10	1	1

Showing 25 of 66 certification platforms based in the United Kingdom

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Certification platforms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 27 HQs

348Contacts with mobile numbers

0Emails 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

Certification platforms by metro

Metro	Companies
Certification platforms in London	27
Certification platforms in Nottingham	3
Certification platforms in Newcastle Upon Tyne	2
Certification platforms in Sheffield	1
Certification platforms in Malvern	1
Certification platforms in Richmond	1
Certification platforms in Cambridge	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 “certification 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; 0 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 certification platforms are there based in the United Kingdom?

There are 66 certification platforms 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 certification platforms?

London leads with 27 headquartered companies, followed by Nottingham (3) and Newcastle Upon Tyne (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 111 verified decision-maker contacts tracked across these 66 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

Certification platforms 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.