DIPLOMA PLC
03899848 · Active · Plc · 26 yrs · London
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What Chris sees
Filing calendar
Next annual accounts are due by 31 Mar 2027. Confirmation statement is due 5 Jan 2027 (last filed 22 Dec 2025).
Next accounts
31 Mar 2027
Next confirmation
5 Jan 2027
Financial story
- Assets
- Not reported
- Cash
- Not reported
- Net worth
- Not reported
- Liabilities
- Not reported
- Turnover
- Not reported
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Companies House dossier
DIPLOMA PLC
03899848Active· Plc· England Wales· 1999-12-24Incorporated 1999-12-24Health 90/100 · Strong
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Headline financials
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Employees
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Governance & filings
Age
26years
Since 1999-12-24
Active officers
11
26 resigned
Active PSCs
0
Beneficial owners
Charges
0
None registered
Next accounts
243days
2027-03-31
Next confirmation
158days
2027-01-05
Company details
ActiveType
Plc
Jurisdiction
England Wales
Incorporated
1999-12-24
Company no.
03899848
SIC codes
70100
Accounts & filings
Last accounts2025-09-30(Group)
Next accounts due2027-03-31
Accounts made up to2026-09-30
ARD30/09
Last confirmation2025-12-22
Next confirmation due2027-01-05
Company health score
90/ 100Strong
Healthy signals across filings, governance and status.
Registered office
10-11 Charterhouse Square, London, EC1M 6EE, England
Flags
Can fileYes
Has chargesNo
Insolvency historyNo
Address in disputeNo