# Aion Silicon Holdings (Aion Silicon Holdings Limited)

Private limited company registered in London, classed under “Activities of head offices”.

- Company number: 07275279
- Status: Active
- Type: Private limited company
- Incorporated: 7 June 2010
- Registered office: 33 Great Portland Street, London, W1W 8QG
- Location: London
- Activity: Activities of head offices

## Latest filed profit

Profit after tax in the year to 31 December 2025: **£22m**, 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 Aion Silicon Holdings do?

Private limited company registered in London, classed under “Activities of head offices”.

### How much turnover does Aion Silicon Holdings make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/aion-silicon-holdings-07275279

### Is Aion Silicon Holdings profitable?

Yes: it made a profit after tax of £22m in the year to 31 December 2025, its latest filed accounts.

### How many people work at Aion Silicon Holdings?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/aion-silicon-holdings-07275279

### Who runs and owns Aion Silicon Holdings?

Its directors are Oreste Donzella, Oliver William Adam Jones, Mark Steven Julio, Lauren Sinclair Knox, David John Mitchard and 1 more. Its owners are shown to subscribers.

### Where is Aion Silicon Holdings based?

Its registered office is 33 Great Portland Street, London, W1W 8QG, in London.

### When was Aion Silicon Holdings founded?

Aion Silicon Holdings Limited was incorporated on 7 June 2010.

### Is Aion Silicon Holdings still trading?

The register lists Aion Silicon Holdings Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-07-28: Full accounts made up to 31 December 2025
- 2026-02-19: Appointment of Mrs Lauren Sinclair Knox as a director on 10 February 2026
- 2026-02-10: Director's details changed for Mr Oreste Donzella on 10 February 2026
- 2025-11-11: Certificate of change of name
- 2025-10-06: Group of companies' accounts made up to 31 December 2024
- 2025-09-22: Statement of capital following an allotment of shares on 19 September 2025 · GBP 418,746.988 (and 10 more like it since 10 August 2022)
- 2025-07-10: Memorandum and Articles of Association (and 1 more like it since 21 October 2022)
- 2025-07-10: Resolutions (and 13 more like it since 23 June 2022)
- 2025-07-03: Register(s) moved to registered office address 33 Great Portland Street London W1W 8QG
- 2025-06-17: Second filing of a statement of capital following an allotment of shares on 11 March 2025 · GBP 378,766.12 (and 2 more like it since 5 August 2022)
- 2025-05-15: Director's details changed for Mr Mark Steven Julio on 15 May 2025
- 2025-05-15: Director's details changed for Mr David John Mitchard on 15 May 2025
- 2025-05-15: Director's details changed for Mr Oliver William Adam Jones on 15 May 2025
- 2025-05-15: Director's details changed for Mr Oreste Donzella on 15 May 2025
- 2025-05-15: Registered office address changed from Sondrel House Theale Lakes Business Park, Moulden Way Sulhamstead Reading RG7 4GB to 33 Great Portland Street London W1W 8QG on 15 May 2025
- 2025-04-14: Termination of appointment of Graham Stephen Curren as a director on 8 April 2025
- 2025-01-02: Appointment of Mr Oreste Donzella as a director on 1 January 2025
- 2024-11-25: Change of details for Rox Technologies Ltd as a person with significant control on 22 November 2024
- 2024-11-15: Notification of Rox Technologies Ltd as a person with significant control on 12 November 2024
- 2024-11-15: Cessation of Rox Equity Partners Limited as a person with significant control on 12 November 2024
- 2024-11-14: Registration of charge 072752790004, created on 12 November 2024
- 2024-11-07: Appointment of Mr Oliver William Adam Jones as a director on 6 November 2024
- 2024-11-07: Appointment of Mr Mark Steven Julio as a director on 6 November 2024
- 2024-11-04: Termination of appointment of John James Chubb as a director on 31 October 2024
- 2024-10-15: Termination of appointment of Adrian Courtney Carey as a director on 30 September 2024

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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/aion-silicon-holdings-07275279