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Diploma Plc
Diploma Plc is an active company incorporated on 24 December 1999 with the registered office located in London, Greater London. Diploma Plc was registered 25 years ago.
Watch Company
Status
Active
Active since
incorporation
Company No
03899848
Public limited company
Age
25 years
Incorporated
24 December 1999
Size
Large
Turnover is over
£54M
Balance sheet is over
£27M
Over
250 employees
Confirmation
Submitted
Dated
22 December 2024
(8 months ago)
Next confirmation dated
22 December 2025
Due by
5 January 2026
(4 months remaining)
Last change occurred
1 year 8 months ago
Accounts
Submitted
For period
1 Oct
⟶
30 Sep 2024
(1 year)
Accounts type is
Group
Next accounts for period
30 September 2025
Due by
31 March 2026
(6 months remaining)
Learn more about Diploma Plc
Contact
Address
10-11 Charterhouse Square
London
EC1M 6EE
England
Address changed on
5 Jan 2022
(3 years ago)
Previous address was
12 Charterhouse Square London EC1M 6AX
Companies in EC1M 6EE
Telephone
02075495700
Email
Unreported
Website
Diplomaplc.com
See All Contacts
People
Officers
14
Shareholders
1
Controllers (PSC)
-
Wilson NG
Director • Acting Chief Financial Officer • Malaysian • Lives in England • Born in Sep 1981
Andrew Patrick Smith
Director • British • Lives in England • Born in Sep 1960
Geraldine Claire Huse
Director • Ceo P&G Central Europe • British • Lives in England • Born in Sep 1963
David Soutar Lowden
Director • British • Lives in England • Born in Aug 1957
Janice Stipp
Director • Non-Executive Director • American • Lives in United States • Born in Sep 1959
See Key People
Shareholders, PSCs & Group Structure
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Mutual Companies
Diploma Holdings Plc
Mr Jonathan David Thomson, Christopher Mark Davies, and 1 more are mutual people.
Active
Newlandglebe Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
Diploma Overseas Limited
Mr Jonathan David Thomson and Christopher Mark Davies are mutual people.
Active
Techsil Group Holdings Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
R&G Fluid Power Holdings Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
M Seals UK Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
Diploma Asia Holdings Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
Diploma Latam Holdings Limited
Christopher Mark Davies and Wilson NG are mutual people.
Active
See All Mutual Companies
Financials
Net Assets, Total Assets & Total Liabilities (2015–2024)
Period Ended
30 Sep 2024
For period
30 Sep
⟶
30 Sep 2024
Traded for
12 months
Cash in Bank
£55.5M
Decreased by £6.9M (-11%)
Turnover
£1.36B
Increased by £163.1M (+14%)
Employees
3.44K
Increased by 429 (+14%)
Total Assets
£1.77B
Increased by £182.8M (+12%)
Total Liabilities
-£884.1M
Increased by £190.4M (+27%)
Net Assets
£888M
Decreased by £7.6M (-1%)
Debt Ratio (%)
50%
Increased by 6.24% (+14%)
See 10 Year Full Financials
Latest Activity
Mr Wilson Ng Appointed
23 Days Ago on 14 Aug 2025
Christopher Mark Davies Resigned
24 Days Ago on 13 Aug 2025
Anna Lawrence Appointed
3 Months Ago on 30 May 2025
John Morrison Resigned
3 Months Ago on 30 May 2025
Group Accounts Submitted
7 Months Ago on 23 Jan 2025
Mr Ian Ramsey Safwat El-Mokadem Appointed
7 Months Ago on 15 Jan 2025
Confirmation Submitted
8 Months Ago on 27 Dec 2024
Mrs Geraldine Claire Huse Details Changed
9 Months Ago on 22 Nov 2024
Mrs Katie Bickerstaffe Appointed
11 Months Ago on 1 Oct 2024
Anne Thorburn Resigned
11 Months Ago on 30 Sep 2024
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Get Credit Report
Discover Diploma Plc's Credit Score, how much credit you can offer them, and how likely they are to repay you
See All Credit Score & Limits
Documents
Appointment of Mr Wilson Ng as a director on 14 August 2025
Submitted on 14 Aug 2025
Termination of appointment of Christopher Mark Davies as a director on 13 August 2025
Submitted on 14 Aug 2025
Appointment of Anna Lawrence as a secretary on 30 May 2025
Submitted on 30 May 2025
Termination of appointment of John Morrison as a secretary on 30 May 2025
Submitted on 30 May 2025
Resolutions
Submitted on 24 Jan 2025
Group of companies' accounts made up to 30 September 2024
Submitted on 23 Jan 2025
Appointment of Mr Ian Ramsey Safwat El-Mokadem as a director on 15 January 2025
Submitted on 15 Jan 2025
Confirmation statement made on 22 December 2024 with no updates
Submitted on 27 Dec 2024
Director's details changed for Mrs Geraldine Claire Huse on 22 November 2024
Submitted on 3 Dec 2024
Statement of capital following an allotment of shares on 19 November 2024
Submitted on 20 Nov 2024
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Repayment History
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See All Charges & CCJs