DIPLOMA HOLDINGS PLC
Company details
- Registered name
- DIPLOMA HOLDINGS PLC
- Company number
- 00256111
- Registered office
- 10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE, ENGLAND
- Company type
- Public Limited Company
- Incorporated on
- 1 May 1931
- Status
- Active
- Age
- 95 years
- Nature of business (SIC)
- 70100 — Activities of head offices
- Accounts — next due
- 31 Mar 2027
- Accounts — last made up to
- 30 Sept 2025
- Confirmation statement — next due
- 10 Mar 2027
- Confirmation statement — last
- 24 Feb 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 77 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
- A person with significant control here also controls 1 other company.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 06/04/2016 | Person with significant control added | — | Diploma Plc |
Documents for DIPLOMA HOLDINGS PLC
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
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About DIPLOMA HOLDINGS PLC (00256111)
DIPLOMA HOLDINGS PLC is a public limited company incorporated on 1 May 1931 and registered in the United Kingdom under company number 00256111. Its registered office is at 10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE, ENGLAND. The recorded nature of business is activities of head offices (SIC 70100). The company is currently active , with statutory accounts last made up to 30 September 2025. , and the person with significant control is Diploma Plc. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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