Filing status
- Accounts due
- 31 January 2027
- Last accounts
- 30 April 2025
- Conf. stmt due
- 9 July 2027
- Last conf. stmt
- 25 June 2026
Blackstar Instrument Group Limited
- Incorporated
- 26 June 2017 (9 years)
- Previously known as
- Silbury 411 Limited (until 27 June 2017)This list may be incomplete. See all names on Companies House
- Industry
- Activities of head offices (70100)
- Directors
- Joseph B. CastronovoYi Chen
- Owned by
- Paul John HayhoeIan Curtis Robinson
- Accounts type
- Group
- Region
- East Midlands
- Address
- Beckett House14 Billing RoadNorthamptonNN1 5AW
Charges
- Total
- 2
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 1
Officers 5 active
Officer details are public data from the Companies House register.
Smith, Joseph Peter
Secretary · Appointed 31 July 2026
Castronovo, Joseph B.
Director · Appointed 11 July 2017
American
Born January 1956 (70)
Chen, Yi
Director · Appointed 11 July 2017
Chinese
Born July 1969 (57)
Director · Appointed 26 June 2017
British
Born January 1967 (59)
Director · Appointed 26 June 2017
British
Born February 1970 (56)
Officer history (3 former)
31 July 2026
Appointed Smith, Joseph Peter as Secretary
31 July 2026
Resigned Mathews, Alex as Secretary
12 November 2025
Appointed Mathews, Alex as Secretary
12 November 2025
Resigned Watts, Michael Stephen as Secretary
23 January 2025
Appointed Watts, Michael Stephen as Secretary
11 September 2020
11 July 2017
Appointed Castronovo, Joseph B. as Director
11 July 2017
Appointed Chen, Yi as Director
11 July 2017
26 June 2017
26 June 2017
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
Individual · Notified 26 June 2017
Owns 25–50% of shares
Holds 25–50% of voting rights
British
Born January 1967 (59)
Individual · Notified 26 June 2017
Owns 25–50% of shares
Holds 25–50% of voting rights
British
Born February 1970 (56)
Holdings 1
Companies where Blackstar Instrument Group Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Financials
Balance sheet as at 30 April 2025 · group accounts
- Profit
- £0
- Employees
- 45
- Return on Equity
- 0%
Balance sheet detail
| 2025 | |
|---|---|
| Fixed Assets | £7,911,854 |
| Creditors (< 1 year) | £1,018,302 |
| Net Current Assets | (£1,018,302) |
| Shareholder Funds | £6,893,552 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 3 August 2026 | Appointment of a secretary | |||
| 3 August 2026 | Confirmation statement with updates | 25 June 2026 | ||
| 31 July 2026 | Termination of appointment of a secretary | |||
| 10 June 2026 | Director's details changed | |||
| 10 June 2026 | Director's details changed |
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