# Diamond Light Source (Diamond Light Source Limited)

Private limited company registered in Didcot, classed under “Other research and experimental development on natural sciences and engineering”.

- Company number: 04375679
- Status: Active
- Type: Private limited company
- Incorporated: 18 February 2002
- Registered office: Diamond House, Harwell Science And Innovation Campus, Didcot, Oxfordshire, OX11 0DE
- Location: Didcot, Oxfordshire
- Activity: Other research and experimental development on natural sciences and engineering

## Latest filed profit

No profit figure in its latest filed accounts.

Turnover, net assets, cash, staff, earlier years, ratios and owners are on the page for subscribers.

## Questions people ask

### What does Diamond Light Source do?

Private limited company registered in Didcot, classed under “Other research and experimental development on natural sciences and engineering”.

### How much turnover does Diamond Light Source make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/diamond-light-source-04375679

### Is Diamond Light Source profitable?

Diamond Light Source's profit isn't public: small companies may file without a profit and loss account.

### Who runs and owns Diamond Light Source?

Its directors are Sean Michael Hird, Gianluigi Andrea Botton, Roger Soulsby Eccleston, Michael Edward Fitzpatrick, Morag Helen Foreman and 3 more. Its owners are shown to subscribers.

### Where is Diamond Light Source based?

Its registered office is Diamond House, Harwell Science And Innovation Campus, Didcot, Oxfordshire, OX11 0DE, in Didcot, Oxfordshire.

### When was Diamond Light Source founded?

Diamond Light Source Limited was incorporated on 18 February 2002.

### Is Diamond Light Source still trading?

The register lists Diamond Light Source Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-07-25: Full accounts made up to 31 March 2026
- 2026-06-18: Termination of appointment of Leszek Krzysztof Borysiewicz as a director on 12 June 2026
- 2026-05-08: Director's details changed for Professor Sir Leszek Borysiewicz on 7 May 2026
- 2026-05-08: Director's details changed for Dr Gianluigi Botton on 7 May 2026 (and 1 more like it since 7 May 2026)
- 2026-05-07: Director's details changed for Ms Victoria Grant on 7 May 2026
- 2025-11-04: Appointment of Dr Petra Claire Farquhar Oyston as a director on 1 October 2025
- 2025-10-06: Termination of appointment of Keith Sanderson Wilson as a director on 30 September 2025
- 2025-07-30: Full accounts made up to 31 March 2025
- 2025-04-10: Appointment of Professor Roger Soulsby Eccleston as a director on 1 April 2025
- 2025-04-01: Termination of appointment of Alan Partridge as a director on 31 March 2025
- 2025-01-08: Appointment of Dr Sean Michael Hird as a secretary on 31 December 2024
- 2024-12-31: Termination of appointment of Linda Gregory as a secretary on 31 December 2024
- 2024-12-17: Appointment of Professor Sir Leszek Borysiewicz as a director on 7 December 2024
- 2024-12-09: Termination of appointment of Adrian Frederick Melhuish Smith as a director on 7 December 2024
- 2024-08-01: Full accounts made up to 31 March 2024
- 2024-07-05: Appointment of Ms Victoria Grant as a director on 28 June 2024
- 2024-07-05: Statement by Directors
- 2024-07-05: Statement of capital on 5 July 2024 · GBP 693,820,953
- 2024-07-05: Solvency Statement dated 01/07/24
- 2024-07-05: Resolutions (and 3 more like it since 27 May 2016)
- 2024-01-03: Termination of appointment of Philip Leon Marshall Davies as a director on 31 December 2023
- 2024-01-03: Appointment of Dr Alan Partridge as a director on 1 January 2024
- 2024-01-03: Termination of appointment of Mark Andrew Thomson as a director on 31 December 2023
- 2023-10-31: Appointment of Dr Gianluigi Botton as a director on 12 October 2023
- 2023-09-30: Memorandum and Articles of Association

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Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/diamond-light-source-04375679