Company
Addiewell Prison (Holdings) LTD
Addiewell Prison (Holdings) LTD is an active UK company (number SC291481), incorporated 2005, with 4 current directors including Natalia Poupard and James Christopher Heath. Source: Companies House, updated 11th October 2026.
Official record Companies House · updated 11th October 2026 · Sources
Network
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Who leads it
Previous officers 28
- Giorgia Martina 2022-2025 View profile
- Neil Andrew Woodburn 2022-2022 View profile
- Gary John Laker 2017-2018 View profile
- Janine Marcelle Mcdowell 2015-2017 View profile
- Mark Geoffrey David Holden 2013-2022 View profile
- Timothy Richard Elliot 2010-2011 View profile
- Colin Michael Exford 2009-2013 View profile
- Ian Michael Renhard 2009-2017 View profile
- Philip Richard Andrew 2009-2011 View profile
- Sean Latus 2009-2010 View profile
- Kevin John Maddick 2009-2009 View profile
- Robert Ian Bartlett 2008-2009 View profile
- David John Paterson 2007-2011 View profile
- Phillip James Hall 2007-2009 View profile
- Anthony Leonard Leech 2006-2015 View profile
- Mark Frederick Priday 2006-2008 View profile
- Rajan Goyal 2005-2011 View profile
- Herbert Neville Nahapiet 2005-2009 View profile
- Jeffrey Michael Thornton 2005-2007 View profile
- John Henry Vyse 2005-2009 View profile
- Colin Michael Exford 2005-2009 View profile
- Ailison Louise Mitchell 2022-2023 View profile
- Wendy Lisa Rapley 2018-2022 View profile
- Judith Carlyon Phillips 2015-2017 View profile
- Richard Keen 2014-2015 View profile
- Wendy Lisa Roberts 2007-2014 View profile
- Leigh Smerdon 2006-2007 View profile
- Trevor Bradbury 2005-2006 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 10/10/2005
Ownership
Owned by (2) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Infrastructure Investments Holdings Limited
50-75% shares, 50-75% voting · notified 2016-04-06 - Sodexo Investment Services Limited
25-50% shares, 25-50% voting · notified 2016-04-06
Group
- Addiewell Prison (Holdings) LTD
is controlled by Infrastructure Investments Holdings Limited
Evidence
active 50-75% shares, 50-75% voting · notified 2016-04-06 · source: Companies House PSC register - Infrastructure Investments Holdings Limited
is controlled by Infrastructure Investments Group Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2018-03-20 · source: Companies House PSC register - Infrastructure Investments Group Limited
is controlled by Infrastructure Investments General Partner Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2017-09-04 · source: Companies House PSC register - Infrastructure Investments General Partner Limited
is controlled by Infrared (Infrastructure) Capital Partners Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Infrared (Infrastructure) Capital Partners Limited
is controlled by Infrared Capital Partners (Holdco) Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Infrared Capital Partners (Holdco) Limited
is controlled by Infrared Partners LLP
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Infrared Partners LLP
is controlled by Werner Marc Friedrich Von Guionneau
Evidence
ceased significant influence (LLP) · notified 2016-04-06, ceased 2023-07-01 · source: Companies House PSC register
Ultimately controlled by Werner Marc Friedrich Von Guionneau.
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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.
4 directors on the board
- Stuart Anthony Carter Director · appointed 2005
- Natalia Poupard Director · appointed 2025
- James Christopher Heath Director · appointed 2018
- Jonathan Nigel Edward Cowdell Director · appointed 2007
12.3y median 13.5y
average tenure
21y
longest tenure
Directors past 6 years
- Stuart Anthony Carter Director · appointed 2005
- James Christopher Heath Director · appointed 2018
- Jonathan Nigel Edward Cowdell Director · appointed 2007
First-time vs portfolio directors
Portfolio (4)
- Stuart Anthony Carter Director · appointed 2005
- Natalia Poupard Director · appointed 2025
- James Christopher Heath Director · appointed 2018
- Jonathan Nigel Edward Cowdell Director · appointed 2007
0
also govern a charity
0
left in the last 12 months
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.
Professional services 25Health and social care 18Business services 17Finance 17Utilities 10Public administration 8Construction 7Property 5
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.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- SC291481
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 11th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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