Filing status
- Accounts due
- 31 December 2027
- Last accounts
- 31 March 2026
- Conf. stmt due
- 17 August 2027
- Last conf. stmt
- 3 August 2026
Amplisi Limited
- Incorporated
- 4 August 2025 (1 year)
- Industry
- Other research and experimental development on natural sciences and engineering (72190)
- Directors
- Gwendolen Frances Ann Blake ChimonidesSiddharth Vijay Patwardhan
- Owned by
- Accounts type
- Total exemption full
- Region
- Yorkshire
- Address
- The Innovation Centre217 PortobelloSheffieldS1 4DP
Officers
This list may be incomplete. See all officers on Companies House
Officer details are public data from the Companies House register.
Director · Appointed 19 October 2026
Also at Superdielectrics Group PLC · more companies
Australian,British
Born July 1980 (46)
Chimonides, Gwendolen Frances Ann Blake, Dr
Director · Appointed 4 August 2025
British
Born March 1984 (42)
Patwardhan, Siddharth Vijay, Dr
Director · Appointed 4 August 2025
British
Born May 1979 (47)
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 4 March 2026
Owns 25–50% of shares
Holds 25–50% of voting rights
Limited Company
Reg. no. 12982592
Former controllers (2)
4 March 2026
Ceased Siddharth Vijay Patwardhan — Owns 25–50% of shares
4 March 2026
Ceased Gwendolen Frances Ann Blake Chimonides — Owns 50–75% of shares
Group structure 17 shown
Ownership group derived from the Companies House PSC register
Adsilico Limited Owns 25–50% of shares
Amplisi Limited This company Owns 25–50% of shares
Auxetec Limited Owns 25–50% of shares
Cavero Quantum Limited Owns 25–50% of shares
Cavero Secure Limited Owns 75–100% of shares
Crucible Therapeutics Limited Owns 25–50% of shares
Cytotrait Limited Owns 25–50% of shares
Exciting Instruments Limited Owns 25–50% of shares
Floreon Technology Limited Owns 25–50% of shares
Ivfmicro Limited Owns 25–50% of shares
Mimetrik Solutions Limited Owns 25–50% of shares
Northern Gritstone Innovation Services Limited Owns 75–100% of shares
Northern Gritstone Investment Manager Limited Owns 75–100% of shares
Olo Robotics Ltd Owns 25–50% of shares
Optalysys Ltd Holds 25–50% of voting rights
Phovir Technologies Limited Owns 25–50% of shares
Financials
Balance sheet as at 31 March 2026 · total exemption full accounts
- Net Assets
- £1,659,790
- Cash
- £1,831,544
- Employees
- 2
Balance sheet detail
| 2026 | |
|---|---|
| Current Assets | £1,856,791 |
| Debtors | £25,247 |
| Cash | £1,831,544 |
| Net Current Assets | £1,659,790 |
| Net Assets | £1,659,790 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 9 November 2026 | Appointment of a director | |||
| 10 August 2026 | Confirmation statement with updates | 3 August 2026 |
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