Company · London
Impax Asset Management Group PLC
Activities of head offices
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
- Lyle LoganDirector · since 2024
- Julia BondDirector · since 2023
- Karen CockburnDirector · since 2023
- Annette Elizabeth WilsonDirector · since 2022
- William Simon O'ReganDirector · since 2020
- Dr Arnaud Jacques Marie Gilbert De Beauchef De ServignyDirector · since 2018
- Ian Richard SimmDirector · since 2001
- Justine Claire RumensSecretary · since 2025
Previous officers 23
- Sally Bridgeland 2015-2024 View profile
- Lindsey Brace Martinez 2015-2024 View profile
- Vincent Gerald O'Brien 2009-2023 View profile
- Guy Jean Marie Noel De Froment 2008-2018 View profile
- Peter Gibbs 2008-2013 View profile
- Mark Barry Ewart White 2008-2015 View profile
- David Lawrence Kempton 2004-2009 View profile
- John Simon Thrale Morris 2004-2008 View profile
- James Keith Ross Falconer 2004-2020 View profile
- Melville Ellis Vernon Haggard 2001-2006 View profile
- Geirr Remen Frostmann 2001-2004 View profile
- Stuart William Bickerstaff 2000-2004 View profile
- Neville Anthony Brown 1996-2004 View profile
- Colin Reginald Weaver 1996-2002 View profile
- Anthony Joseph Carroll 1996-2002 View profile
- Ludgate Nominees Limited 1996-1996 View profile
- Zack Wilson 2011-2025 View profile
- Michael Burt Knight 2009-2011 View profile
- Jacqueline Ann Brown 2005-2009 View profile
- Deborah Margaret Fowler 2003-2005 View profile
- Nigel David Wynne Taunt 2002-2008 View profile
- Garry Butterfield 1996-2002 View profile
- Ludgate Secretarial Services Limited 1996-1996 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Activities of head offices
- Incorporated
- 11/10/1996
- Registered office
- London
- Previous names
- Impax Group PLC (until 22/10/2009)
Group
No further corporate or individual controller is recorded above Impax Asset Management Group PLC on the PSC register - it appears to be the top of its group.
37 other companies in this group
- Impax Carried Interest Partner II (GP) Limited
- Kramer Renewables Limited
- WYE Renewables Limited
- Impax Carried Interest Partner (GP) Limited
- 13085327
- Impax Global Resource Optimization (GP) Limited
- Impax NEW Energy Investors (GP) Limited
- Inei III GP (UK) LLP
- Inei III Team CO-Investment LP
- Anemoi Wind Holdings Limited
- 09101836
- Impax Flow (GP) Limited
- 12745044
- 12218611
- Locco Energy Limited
- Lumiere Renewables Limited
- 11680874
- OC397000
- Impax US Holdings Limited
- Inei II GP (UK) LLP
- Inei III CIP LP
- Sonne Renewables Limited
- Impax Capital Limited
- Impax Asset Management (Aifm) Limited
- 12204818
- Achorvic Hydro Limited
- Greenfuture UK Solar Limited
- Impax Global Opportunities (GP) Limited
- Impax Asset Management Limited
- Impax NEW Energy Investors II (GP) Limited
- Rocco Renewables Limited
- Impax Carried Interest Partner II LP
- 11214137
- Greenfuture UK Wind Limited
- Bisley Solar Limited
- Ouest Loire Energies LTD
- Spec Wind Limited
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
7 directors on the board
- Karen Cockburn Director · appointed 2023
- Dr Arnaud Jacques Marie Gilbert De Beauchef De Servigny Director · appointed 2018
- Annette Elizabeth Wilson Director · appointed 2022
- William Simon O'Regan Director · appointed 2020
- Julia Bond Director · appointed 2023
- Ian Richard Simm Director · appointed 2001
- Lyle Logan Director · appointed 2024
Directors past 6 years
- Dr Arnaud Jacques Marie Gilbert De Beauchef De Servigny Director · appointed 2018
- Ian Richard Simm Director · appointed 2001
First-time vs portfolio directors
First-time (2)
- Dr Arnaud Jacques Marie Gilbert De Beauchef De Servigny Director · appointed 2018
- Lyle Logan Director · appointed 2024
Portfolio (5)
- Karen Cockburn Director · appointed 2023
- Annette Elizabeth Wilson Director · appointed 2022
- William Simon O'Regan Director · appointed 2020
- Julia Bond Director · appointed 2023
- Ian Richard Simm Director · appointed 2001
Also govern a charity
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 03262305
- Status
- Active
- Type
- Public Limited Company
- Accounts next due
- 31/03/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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