What Aion Silicon say about themselves
“Aion Silicon (formerly Sondrel) is a trusted partner in high-performance semiconductor design for advanced System-on-Chip (SoC) solutions and tailored ASICs”
Aion Silicon Limited
- Incorporated
- 23 July 2002 (24 years)
- Previously known as
- Sondrel Limited (until 28 April 2025)
- Industry
- Other professional, scientific and technical activities n.e.c. (74909)
- Owned by
- Accounts type
- Full
- Region
- Greater London
- Address
- 33 Great Portland StreetLondonW1W 8QG
Website & contact details
- Website
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
- 6
- Outstanding
- 2
- Part satisfied
- 0
- Satisfied
- 4
Officers 2 active
Officer details are public data from the Companies House register.
Director · Appointed 30 January 2025
British
Born May 1981 (45)
Director · Appointed 30 January 2025
British
Born March 1978 (48)
Officer history (8 former)
30 January 2025
30 January 2025
30 January 2025
31 August 2024
21 October 2022
21 October 2022
Resigned Curren, Claire as Secretary
10 August 2006
Appointed Curren, Claire as Secretary
10 August 2006
10 August 2006
24 June 2003
24 June 2003
25 July 2002
25 July 2002
23 July 2002
23 July 2002
23 July 2002
23 July 2002
23 July 2002
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited
Reg. no. 7275279
Group structure 4 companies
Ownership group derived from the Companies House PSC register
Aion Silicon Holdings Limited Owns 50–75% of shares
Aion Silicon Limited This company Owns 75–100% of shares
Sondrel Ventures Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 December 2025 · full accounts
- Net Assets
- £4,893,367
- Cash
- £3,229,892
- Turnover
- £11,216,653
- Profit Before Tax
- £9,651,178
- Employees
- 36
- Debt Ratio
- 62%
- Current Ratio
- 1.6x
- Profit Margin
- 86%
- Return on Equity
- 312%
Balance sheet detail
| 2025 | |
|---|---|
| Fixed Assets | £138,265 |
| Current Assets | £12,669,256 |
| Cash | £3,229,892 |
| Creditors (< 1 year) | £7,914,154 |
| Creditors (> 1 year) | £0 |
| Net Current Assets | £4,755,102 |
| Net Assets | £4,893,367 |
| Shareholder Funds | £4,893,367 |
| Turnover | £11,216,653 |
| Cost of Sales | £7,671,063 |
| Gross Profit | £3,545,590 |
| Admin Expenses | £3,903,121 |
| Staff Costs | £3,154,901 |
| Operating Profit | £9,675,593 |
| Profit Before Tax | £9,651,178 |
| Tax | (£5,617,330) |
| Profit for Period | £15,268,508 |
Filings 117
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 28 July 2026 | Full accounts | 31 December 2025 | ||
| 25 June 2026 | Confirmation statement with updates | 20 June 2026 | ||
| 23 June 2026 | Change of details for a person with significant control | |||
| 6 October 2025 | Full accounts | 31 December 2024 | ||
| 23 June 2025 | Confirmation statement with updates | 20 June 2025 |
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