# Diapason (Diapason Limited)

Private limited company registered in London, classed under “Other business support service activities n.e.c.”.

- Company number: 14782348
- Status: Active
- Type: Private limited company
- Incorporated: 5 April 2023
- Registered office: 19 Leyden Street, London, E1 7LE
- Location: London
- Activity: Other business support service activities n.e.c.

## Latest filed profit

Profit after tax in the year to 30 April 2025: **£13k**, from 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 Diapason do?

Private limited company registered in London, classed under “Other business support service activities n.e.c.”.

### How much turnover does Diapason make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/diapason-14782348

### Is Diapason profitable?

Yes: it made a profit after tax of £13k in the year to 30 April 2025, its latest filed accounts.

### How many people work at Diapason?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/diapason-14782348

### Who runs and owns Diapason?

Its directors are David Michael Howes, Buckingham Directors Limited. Its owners are shown to subscribers.

### Where is Diapason based?

Its registered office is 19 Leyden Street, London, E1 7LE, in London.

### When was Diapason founded?

Diapason Limited was incorporated on 5 April 2023.

### Is Diapason still trading?

The register lists Diapason Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-01-30: Total exemption full accounts made up to 30 April 2025
- 2026-01-23: Notification of Nabil Joseph Abdelmesseh as a person with significant control on 15 October 2025
- 2026-01-23: Cessation of Karim Aly Hussein Assem as a person with significant control on 15 October 2025
- 2025-02-03: Total exemption full accounts made up to 30 April 2024
- 2024-08-29: Register inspection address has been changed
- 2024-08-28: Director's details changed for Buckingham Directors Limited on 28 August 2024
- 2023-04-05: Incorporation

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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/diapason-14782348