Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 30 September 2025
- Conf. stmt due
- 13 April 2027
- Last conf. stmt
- 30 March 2026
Impax Asset Management Limited
- Incorporated
- 18 June 1998 (28 years)
- Industry
- Fund management activities (66300) Other business support service activities n.e.c. (82990)
- Owned by
- Accounts type
- Full
- Region
- Greater London
- Address
- 7th Floor30 Panton StreetLondonSW1Y 4AJ
Charges
- Total
- 2
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 2
Officers 4 active
Officer details are public data from the Companies House register.
Rumens, Justine Claire
Secretary · Appointed 21 February 2025
Director · Appointed 5 March 2024
British
Born March 1959 (67)
Director · Appointed 6 January 2023
British
Born October 1968 (58)
Director · Appointed 13 August 1998
British
Born June 1966 (60)
Officer history (23 former)
21 February 2025
Appointed Rumens, Justine Claire as Secretary
21 February 2025
Resigned Wilson, Zack as Secretary
18 September 2024
18 September 2024
18 September 2024
31 July 2024
5 March 2024
5 May 2023
6 January 2023
6 January 2023
13 December 2022
18 February 2022
1 March 2021
8 December 2020
8 December 2020
26 March 2020
26 March 2020
12 February 2018
7 December 2011
9 May 2011
Appointed Wilson, Zack as Secretary
9 May 2011
17 March 2009
17 March 2009
17 March 2009
30 January 2008
18 August 2005
1 July 2005
1 July 2005
1 February 2004
31 January 2004
Resigned Barnett, Richard James as Director
30 September 2003
2 June 2003
2 June 2003
20 November 2002
22 August 2002
22 August 2002
22 August 2002
30 October 2001
Appointed Barnett, Richard James as Director
18 June 2001
18 June 2001
18 June 2001
18 June 2001
18 June 2001
13 August 1998
13 August 1998
13 August 1998
13 August 1998
18 June 1998
18 June 1998
18 June 1998
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Public Limited Company
Reg. no. 03262305
Other holdings 2
Companies where Impax Asset Management Limited is registered as a person with significant control
Has significant influence or control
Active
Has significant influence or control
Active
Group structure 32 companies
Ownership group derived from the Companies House PSC register
Greenfuture UK Wind Limited Owns 75–100% of shares
Impax Asset Management (Aifm) Limited Owns 75–100% of shares
Inei Iii GP (UK) LLP Holds 75–100% of voting rights
Achorvic Hydro Limited Owns 75–100% of shares
Bisley Solar Limited Owns 75–100% of shares
Greenfuture UK Solar Limited Owns 75–100% of shares
Locco Energy Limited Owns 75–100% of shares
Lumiere Renewables Limited Owns 75–100% of shares
Ouest Loire Energies Ltd Owns 75–100% of shares
Rocco Renewables Limited Owns 75–100% of shares
Spec Wind Limited Owns 75–100% of shares
Wye Renewables Limited Owns 75–100% of shares
Impax Asset Management Limited This company Owns 75–100% of shares
Impax Carried Interest Partner (GP) Limited Owns 75–100% of shares
Impax Carried Interest Partner II (GP) Limited Owns 75–100% of shares
Impax Carried Interest Partner II LP Has significant influence or control
Impax Flow (GP) Limited Owns 75–100% of shares
Impax Global Opportunities (GP) Limited Owns 75–100% of shares
Impax Global Resource Optimization (GP) Limited Owns 75–100% of shares
Impax New Energy Investors (GP) Limited Owns 75–100% of shares
Impax New Energy Investors II (GP) Limited Owns 75–100% of shares
Inei II GP (UK) LLP Holds 75–100% of voting rights
Inei Iii Cip LP Has significant influence or control
Impax Capital Limited Owns 75–100% of shares
Impax Carried Interest Partner LP Holds 25–50% of voting rights
Impax US Holdings Limited Owns 75–100% of shares
Inei Iii Team Co-Investment LP Holds 75–100% of voting rights
Filings 143
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 15 July 2026 | Full accounts | 30 September 2025 | ||
| 30 March 2026 | Confirmation statement with no updates | 30 March 2026 | ||
| 1 July 2025 | Confirmation statement with no updates | 18 June 2025 | ||
| 16 June 2025 | Full accounts | 30 September 2024 | ||
| 7 March 2025 | Appointment of a secretary |
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