Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 20 May 2027
- Last conf. stmt
- 6 May 2026
Encyclis UK Investments Limited
- Incorporated
- 6 May 2018 (8 years)
- Previously known as
- Covanta Green UK Limited (until 2 February 2023)This list may be incomplete. See all names on Companies House
- Industry
- Production of electricity (35110) Treatment and disposal of non-hazardous waste (38210)
- Directors
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- Greater London
- Address
- Floor 4Lynton House7-12 Tavistock SquareLondonWC1H 9LT
Officers 3 active
Officer details are public data from the Companies House register.
Sialvi, Hassan Mustafa
Secretary · Appointed 1 August 2024
Director · Appointed 1 August 2024
British
Born October 1984 (42)
Director · Appointed 14 October 2023
British
Born December 1969 (56)
Officer history (11 former)
1 August 2024
Appointed Sialvi, Hassan Mustafa as Secretary
1 August 2024
1 August 2024
1 August 2024
Resigned Gregory, Maria as Secretary
14 October 2023
14 October 2023
14 October 2023
14 October 2023
23 July 2023
Appointed Gregory, Maria as Secretary
23 July 2023
Resigned Oyegoke, Toye as Secretary
21 June 2022
8 June 2022
8 June 2022
8 June 2022
1 January 2021
1 January 2021
Appointed Oyegoke, Toye as Secretary
1 January 2021
1 January 2021
20 March 2019
20 March 2019
20 March 2019
6 May 2018
6 May 2018
6 May 2018
6 May 2018
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Limited Liability Company
Reg. no. 13920146
Holdings 2
Companies where Encyclis UK Investments Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Owns 75–100% of shares
Active
Former controllers (3)
8 June 2022
Ceased Green Empire Wte Holdings Limited — Owns 25–50% of shares
8 June 2022
Ceased Covanta Europe Investments Limited — Owns 25–50% of shares
1 August 2018
Ceased Covanta Holding Corporation — Has significant influence or control
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 16 August 2026 | Audit exemption subsidiary accounts | 31 December 2025 | ||
| 16 August 2026 | Other filing | |||
| 16 August 2026 | Other filing | |||
| 16 August 2026 | Accounts filing | |||
| 6 May 2026 | Confirmation statement with no updates | 6 May 2026 |
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