Filing status
- Accounts due
- 31 March 2027
- Last accounts
- 30 June 2025
- Conf. stmt due
- 29 April 2027
- Last conf. stmt
- 15 April 2026
Certain Energy Limited
- Incorporated
- 27 June 2017 (9 years)
- Previously known as
- RFC Power Limited (until 8 October 2026)This list may be incomplete. See all names on Companies House
- Industry
- Other research and experimental development on natural sciences and engineering (72190)
- Directors
- Rachael Reid
- Owned by
- British Business Investments Limited
- Accounts type
- Total exemption full
- Region
- Greater London
- Address
- Translation And Innovation Hub84 Wood LaneLondonW12 0BZ
Officers
This list may be incomplete. See all officers on Companies House
Officer details are public data from the Companies House register.
Director · Appointed 12 August 2026
British
Born May 1960 (66)
Reid, Rachael
Director · Appointed 12 August 2026
British
Born August 1990 (36)
Director · Appointed 12 August 2026
British
Born October 1966 (60)
Von Werne, Tim
Director · Appointed 12 August 2026
British
Born January 1974 (52)
Director · Appointed 10 October 2025
British
Born May 1972 (54)
Officer history (2 former)
12 August 2026
12 August 2026
Appointed Reid, Rachael as Director
12 August 2026
12 August 2026
Appointed Von Werne, Tim as Director
12 August 2026
Resigned Head, James Anthony as Director
10 October 2025
10 October 2025
Appointed Head, James Anthony as Director
10 October 2025
30 April 2018
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
British Business Investments Limited
Corporate entity · Notified 12 August 2026
Owns 25–50% of shares
Holds 25–50% of voting rights
Private Limited Company
Former controllers (2)
12 August 2026
Ceased Ceres Power Limited — Owns 75–100% of shares
10 October 2025
Ceased Ip2ipo Portfolio (GP) Limited — Owns 25–50% of shares
Financials
Balance sheet as at 30 June 2025 · total exemption full accounts
- Net Assets
- £260,502
- Cash
- £136,182
- Employees
- 9
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £15,776 | £148,904 | £17,470 | £2,967 | ||
| Current Assets | £378,779 | £1,397,803 | £2,310,701 | £727,488 | £916,818 | £385,075 |
| Debtors | £242,597 | £780,426 | £964,862 | £110,243 | £12,258 | £38,117 |
| Cash | £136,182 | £617,377 | £1,345,839 | £617,245 | £904,560 | £346,958 |
| Creditors (< 1 year) | £76,427 | £28,413 | £32,358 | £13,936 | ||
| Net Current Assets | £244,726 | £1,321,376 | £2,172,580 | £699,075 | £884,460 | £371,139 |
| Net Assets | £260,502 | £1,470,280 | £2,190,050 | £720,776 | £887,552 | £374,106 |
| Shareholder Funds | £887,552 | £374,106 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 2 September 2026 | Memorandum and Articles of Association | |||
| 2 September 2026 | Sub-division of shares | |||
| 2 September 2026 | Change of share class name or designation | |||
| 2 September 2026 | Resolutions | |||
| 26 August 2026 | Director's details changed |
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