# Aion Silicon (Aion Silicon Limited)

Private limited company registered in London, classed under “Other professional, scientific and technical activities n.e.c.”.

- Company number: 04491953
- Status: Active
- Type: Private limited company
- Incorporated: 23 July 2002
- Registered office: 33 Great Portland Street, London, W1W 8QG
- Location: London
- Activity: Other professional, scientific and technical activities n.e.c.
- Website: aionsilicon.com

## Latest filed profit

Profit after tax in the year to 31 December 2025: **£15.3m**, 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 do?

Private limited company registered in London, classed under “Other professional, scientific and technical activities n.e.c.”. In its own words: “Aion Silicon (formerly Sondrel) is a trusted partner in high-performance semiconductor design for advanced System-on-Chip (SoC) solutions and tailored ASICs”

### How much turnover does Aion Silicon make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/aion-silicon-04491953

### Is Aion Silicon profitable?

Yes: it made a profit after tax of £15.3m in the year to 31 December 2025, its latest filed accounts.

### How many people work at Aion Silicon?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/aion-silicon-04491953

### Where is Aion Silicon based?

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

### When was Aion Silicon founded?

Aion Silicon Limited was incorporated on 23 July 2002.

### Is Aion Silicon still trading?

The register lists Aion Silicon Limited as active.

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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-04491953