# Aion Silicon Limited

## Details

- **Company number:** [04491953](https://find-and-update.company-information.service.gov.uk/company/04491953)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 23 Jul 2002
- **Registered office:** 33 GREAT PORTLAND STREET, LONDON, W1W 8QG
- **Nature of business:** [74909](/sic/74909) Other professional, scientific and technical activities n.e.c.
- **Corporate group:** [ROX Technologies Ltd](/group/19555) (3 companies)


## Previous names

- Sondrel Limited (until 28 Apr 2025)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Aion Silicon Holdings Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 |  |



## Accounts

| Year ended | Turnover | Net assets | Cash | Employees |
|---|---|---|---|---|
| 31 Dec 2025 | £683,857 | £4,893,367 | £3,229,892 | 61 |



## Owned by

Aion Silicon Limited → [Aion Silicon Holdings Limited](/company/07275279) → [ROX Technologies Ltd](/company/15741689)





## Companies at the same address

- [Aion Silicon Holdings Limited](/company/07275279) (07275279)
- [Alula Health Limited](/company/13230671) (13230671)
- [Alula Insurtech Ltd](/company/14359357) (14359357)
- [Alula Technologies Ltd](/company/14353721) (14353721)
- [Greydom UK Ltd](/company/15190657) (15190657)
- [ROX Equity Partners Limited](/company/10937650) (10937650)
- [ROX Technologies Ltd](/company/15741689) (15741689)
- [Sondrel Ventures Limited](/company/10246519) (10246519)
- [Woodpecker International Limited](/company/13220080) (13220080)