Filing status
- Accounts due
- 31 October 2027
- Last accounts
- 31 January 2026
- Conf. stmt due
- 6 September 2027
- Last conf. stmt
- 23 August 2026
Zem Fuel Systems Limited
- Incorporated
- 24 January 2018 (8 years)
- Previously known as
- Zero Emission Fuels Limited (until 14 May 2018)This list may be incomplete. See all names on Companies House
- Industry
- Other research and experimental development on natural sciences and engineering (72190) Other service activities n.e.c. (96090)
- Owned by
- John Thomas Sirr Irvine
- Accounts type
- Micro entity
- Region
- Scotland
- Address
- Chemistry BuildingNorth HaughSt. AndrewsKY16 9ST
Officers
Not loaded yet. See them on Companies House
Ownership 5 active
People and entities with significant control, from the Companies House PSC register
Robin Stuart Mcgregor
Individual · Notified 20 February 2026
Has significant influence or control
British
Born December 1964 (61)
Derek Alexander Watson
Individual · Notified 20 February 2026
Has significant influence or control
British
Born September 1970 (56)
James Hay Gibson
Individual · Notified 20 February 2026
Has significant influence or control
British
Born April 1966 (60)
Private Limited Company
Reg. no. Sc391905
John Thomas Sirr Irvine
Individual · Notified 24 January 2018
Owns 25–50% of shares
Holds 25–50% of voting rights
British
Born March 1960 (66)
Former controllers (4)
31 March 2025
Ceased Zem Treasury — Owns 25–50% of shares
30 June 2024
Ceased Eclipse Clean Energy Private Limited — Owns 25–50% of shares
4 March 2022
Ceased Vinay Prabhayya Mulgundmath — Owns 25–50% of shares
27 August 2021
Ceased Keith Millican — Owns 25–50% of shares
Group structure 21 companies
Ownership group derived from the Companies House PSC register
Actiframe Limited Owns 75–100% of shares
D'Arcy Thompson Simulator Centre Limited Owns 25–50% of shares
Planetae Veritas Limited Owns 75–100% of shares
Sustainaverse Limited Holds 25–50% of voting rights
Eden Campus Consultancy Limited Owns 50–75% of shares
Eden Campus Properties Limited Owns 75–100% of shares
Eden Campus Solar 1 Limited Owns 75–100% of shares
Eden Estuary Energy Limited Owns 75–100% of shares
Photosynergy Limited Holds 75–100% of voting rights
Soi Group Limited Owns 75–100% of shares
Smru Limited Owns 75–100% of shares
St Andrews Instrumentation Limited Owns 75–100% of shares
St Andrews Medical Innovations Limited Owns 75–100% of shares
St Andrews West Properties Limited Owns 75–100% of shares
St Andrews West LLP Holds 25–50% of voting rights
University of St Andrews Consulting Services Ltd Owns 75–100% of shares
University of St Andrews Shop Limited Owns 75–100% of shares
Zem Fuel Systems Limited This company Owns 25–50% of shares
Financials
Figures from 2024 accounts. Newer accounts, made up to 31 January 2026, are filed but not read yet. See them on Companies House
- Employees
- 1
- Current Ratio
- 1.4x
Trend
Shareholder Funds
Balance sheet detail
| 2024 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|
| Current Assets | £75,224 | £31,323 | ||
| Creditors (< 1 year) | £52,091 | £40,063 | ||
| Net Current Assets | (£8,740) | |||
| Net Assets | (£8,641) | £100 | £100 | |
| Shareholder Funds | £23,232 | (£8,641) | £100 | £100 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 14 September 2026 | Other filing | |||
| 11 August 2026 | Micro company accounts | 31 January 2026 | ||
| 10 March 2026 | Appointment of a director | |||
| 10 March 2026 | Notification of a person with significant control | |||
| 8 March 2026 | Notification of a person with significant control |
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