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Company profile

Diploma One Limited

UK company 06011905, incorporated on 28 November 2006.

Diploma One Limited is a UK company with status Active founded in 2006 based in London.

Company number
06011905
Incorporated
28 Nov 2006
Companies House status
Active

Company identity

Founded / incorporated
28 November 2006

Company number 06011905

Verify at Companies House
Legal name
DIPLOMA ONE LIMITED
Company type
Private Limited Company
Region
London
Registered address
10-11 CHARTERHOUSE SQUARE
LONDON
ENGLAND
EC1M 6EE
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

2 levels 1 ultimate controller Controls 1
1
Company Active LTD
Diploma One Limited
CRN 06011905
2
Direct controller Active PLC
Diploma Holdings PLC
CRN 00256111
3
Ultimate controller Active PLC
Diploma PLC
CRN 03899848

Company events

Reference milestones and recent Companies House filing stream events.

6 events
30 Jun
2027

Accounts due

Accounts Due

Next accounts due date

12 Dec
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

06 Jul
2026

Accounts With Accounts Type Dormant

Accounts PDF pending

AA | Transaction MzUyOTQ3MTQ0N2FkaXF6a2N4 | Paper/PDF filed

Published 08 Jul 2026 00:43

28 Nov
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

30 Sep
2025

Accounts filed

Accounts

Last accounts made up date

28 Nov
2006

Incorporated

Inception

Company registered at Companies House