Website & contact details
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- The site of this company’s group or brand.
Aion Silicon Holdings Limited
- Incorporated
- 7 June 2010 (16 years)
- Previously known as
- Sondrel (Holdings) Limited (until 11 November 2025)This list may be incomplete. See all names on Companies House
- Industry
- Activities of head offices (70100)
- Directors
- Lauren Sinclair Knox
- Owned by
- Accounts type
- Full
- Region
- Greater London
- Address
- 33 Great Portland StreetLondonW1W 8QG
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 4 July 2027
- Last conf. stmt
- 20 June 2026
Charges
- Total
- 4
- Outstanding
- 2
- Part satisfied
- 0
- Satisfied
- 2
Officers 6 active
Officer details are public data from the Companies House register.
Knox, Lauren Sinclair
Director · Appointed 10 February 2026
British
Born May 1985 (41)
American,Italian
Born November 1965
Director · Appointed 6 November 2024
British
Born May 1981 (45)
Director · Appointed 6 November 2024
British
Born March 1978 (48)
Director · Appointed 17 June 2024
British
Born December 1965 (60)
Woodhouse, Miles
Director · Appointed 17 June 2024
British
Born December 1973 (52)
Officer history (9 former)
10 February 2026
Appointed Knox, Lauren Sinclair as Director
8 April 2025
1 January 2025
6 November 2024
6 November 2024
31 October 2024
Resigned Chubb, John James as Director
30 September 2024
31 August 2024
Resigned One Advisory Limited as Corporate Secretary
21 August 2024
18 July 2024
Appointed Chubb, John James as Director
17 June 2024
Appointed Woodhouse, Miles as Director
17 June 2024
13 June 2024
5 January 2024
20 September 2023
21 October 2022
21 October 2022
21 October 2022
21 October 2022
13 September 2022
Appointed One Advisory Limited as Corporate Secretary
13 September 2022
Resigned Rico, Hilary Gail as Secretary
1 July 2011
7 June 2010
Appointed Rico, Hilary Gail as Secretary
7 June 2010
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 12 November 2024
Owns 50–75% of shares
Holds 50–75% of voting rights
Right to appoint and remove directors
Limited Liability Company
Reg. no. 15741689
Former controllers (2)
12 November 2024
Ceased Rox Equity Partners Limited — Owns 25–50% of shares
14 June 2024
Group structure 4 companies
Ownership group derived from the Companies House PSC register
Aion Silicon Holdings Limited This company Owns 50–75% of shares
Aion Silicon Limited Owns 75–100% of shares
Sondrel Ventures Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 December 2025 · full accounts
- Cash
- £7,111
- Profit
- £22,048,696
- Current Ratio
- 1.6x
Balance sheet detail
| 2025 | |
|---|---|
| Fixed Assets | £26,967,015 |
| Current Assets | £265,810 |
| Cash | £7,111 |
| Creditors (< 1 year) | (£163,588) |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 28 July 2026 | Full accounts | 31 December 2025 | ||
| 25 June 2026 | Confirmation statement with updates | 20 June 2026 | ||
| 19 February 2026 | Appointment of a director | |||
| 10 February 2026 | Director's details changed | |||
| 11 November 2025 | Certificate of change of name |
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