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Diploma Holdings PLC
A public limited company, registered in ENGLAND on 01/05/1931. Active
Company number00256111
StatusActive
Incorporated01/05/1931
Accounts last made up to30/09/2025
Next accounts due31/03/2027
Registered office
10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE
Other PLCs registered in London
What it does
This page is compiled from the public register. Companies House does not verify the information filed with it, so treat everything here as what the company reported rather than as established fact. For filings, officers and charges, see the official Companies House record.
Register data as at 2026-09-01 Download the full register (CSV)