Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 29 April 2027
- Last conf. stmt
- 15 April 2026
Amsc United Kingdom Limited
- Incorporated
- 15 April 2009 (17 years)
- Industry
- Other business support service activities n.e.c. (82990)
- Directors
- John Roger SamiaJohn William Kosiba Jr.
- Owned by
- American Superconductor Corporation
- Accounts type
- Small
- Region
- Greater London
- Address
- Cannon Place78 Cannon StreetLondonEC4N 6AF
Officers 2 active
Officer details are public data from the Companies House register.
Samia, John Roger
Director · Appointed 1 May 2025
American
Born July 1970 (56)
Kosiba, Jr, John William
Director · Appointed 30 June 2017
American
Born August 1972 (54)
Officer history (2 former)
1 May 2025
Appointed Samia, John Roger as Director
30 June 2017
Appointed Kosiba, Jr, John William as Director
30 June 2017
Resigned Henry, David Alan as Director
4 April 2016
15 April 2009
15 April 2009
Appointed Henry, David Alan as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
American Superconductor Corporation
Corporate entity · Notified 20 April 2018
Owns 75–100% of shares
Holds 75–100% of voting rights (as a trust)
Right to appoint and remove directors
Delaware Corporation
Financials
Balance sheet as at 31 March 2025 · small accounts
- Net Assets
- £222,882
- Cash
- £250,279
- Employees
- 3
- Current Ratio
- 4.0x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | |
|---|---|---|
| Current Assets | £297,346 | £274,038 |
| Debtors | £47,067 | £46,587 |
| Cash | £250,279 | £227,451 |
| Creditors (< 1 year) | £74,464 | £67,715 |
| Creditors (> 1 year) | £0 | |
| Net Current Assets | £222,882 | £206,323 |
| Net Assets | £222,882 | £206,323 |
| Shareholder Funds | £222,882 | £206,323 |
Filings 55
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 18 June 2026 | Confirmation statement with no updates | 15 April 2026 | ||
| 10 June 2026 | Director's details changed | |||
| 24 November 2025 | Accounts for a small company | 31 March 2025 | ||
| 1 May 2025 | Appointment of a director | |||
| 29 April 2025 | Confirmation statement with no updates | 15 April 2025 |
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