Filing status
- Accounts due
- 31 March 2027
- Last accounts
- 30 September 2025
- Conf. stmt due
- 14 April 2027
- Last conf. stmt
- 31 March 2026
Impax Asset Management Group PLC
- Incorporated
- 11 October 1996 (30 years)
- Previously known as
- Impax Group PLC (until 22 October 2009)Kern River PLC (until 18 June 2001)
- Industry
- Activities of head offices (70100)
- Directors
- Lyle Logan
- Accounts type
- Group
- Region
- Greater London
- Address
- 7th Floor 30 Panton StreetLondonSW1Y 4AJ
Charges
- Total
- 2
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 2
Officers 8 active
Officer details are public data from the Companies House register.
Rumens, Justine Claire
Secretary · Appointed 21 February 2025
Logan, Lyle
Director · Appointed 1 May 2024
American
Born September 1959 (67)
British
Born April 1959 (67)
Director · Appointed 16 March 2023
British
Born October 1968 (58)
Director · Appointed 28 June 2022
British
Born February 1960 (66)
Director · Appointed 8 December 2020
Also at Impax Asset Management Limited · more companies
British
Born March 1959 (67)
De Beauchef De Servigny, Arnaud Jacques Marie Gilbert, Dr
Director · Appointed 11 June 2018
French
Born April 1964 (62)
Director · Appointed 18 June 2001
British
Born June 1966 (60)
Officer history (26 former)
21 February 2025
Appointed Rumens, Justine Claire as Secretary
21 February 2025
Resigned Wilson, Zack as Secretary
31 July 2024
31 July 2024
Resigned Martinez, Lindsey Brace as Director
1 May 2024
Appointed Logan, Lyle as Director
29 November 2023
16 March 2023
16 March 2023
28 June 2022
8 December 2020
8 December 2020
11 June 2018
Appointed De Beauchef De Servigny, Arnaud Jacques Marie Gilbert, Dr as Director
11 June 2018
31 July 2015
Appointed Martinez, Lindsey Brace as Director
31 July 2015
31 July 2015
15 May 2013
Resigned Gibbs, Peter as Director
2 March 2011
Appointed Wilson, Zack as Secretary
2 March 2011
9 September 2009
17 March 2009
17 March 2009
2 February 2009
27 February 2008
27 February 2008
17 January 2008
11 January 2008
11 January 2008
Appointed Gibbs, Peter as Director
11 December 2006
1 July 2005
1 July 2005
3 June 2004
3 June 2004
3 June 2004
3 June 2004
22 January 2004
1 January 2004
12 June 2003
12 June 2003
31 December 2002
Resigned Weaver, Colin Reginald as Director
26 September 2002
Resigned Carroll, Anthony Joseph as Director
16 January 2002
16 January 2002
16 January 2002
16 January 2002
18 June 2001
18 June 2001
18 June 2001
14 November 2000
6 November 1996
6 November 1996
Appointed Weaver, Colin Reginald as Director
6 November 1996
Appointed Carroll, Anthony Joseph as Director
6 November 1996
6 November 1996
6 November 1996
6 November 1996
6 November 1996
11 October 1996
11 October 1996
11 October 1996
Ownership 0 active
People and entities with significant control, from the Companies House PSC register
The company has declared that it has no person with significant control.
Group structure 32 companies
Ownership group derived from the Companies House PSC register
Impax Asset Management Group PLC This company
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 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
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 2 April 2026 | Confirmation statement with no updates | 31 March 2026 | ||
| 27 March 2026 | Resolutions | |||
| 17 February 2026 | Group of companies' accounts | 30 September 2025 | ||
| 5 January 2026 | Cancellation of shares | |||
| 2 January 2026 | Cancellation of shares |
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