Company
Network Rail Infrastructure Finance PLC
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 17
- Vanna De Rose 2021-2022 View profile
- Douglas William Armour 2019-2021 View profile
- Clifford Pearce 2018-2023 View profile
- Paul Daniel Marshall 2014-2025 View profile
- Vinoy Rajanah Nursiah 2013-2017 View profile
- Jocelyn Charles Coad 2011-2015 View profile
- Andrew James Ballsdon 2011-2014 View profile
- Samantha Louise Pitt 2004-2018 View profile
- Trevor James Winter 2004-2011 View profile
- Garry Robin Southern 2004-2004 View profile
- Robert William Berry 2004-2017 View profile
- Frederick Ian Maroundas 2004-2004 View profile
- Claudia Ann Wallace 2004-2013 View profile
- Jonathan Eden Keighley 2004-2015 View profile
- James Garner Smith Macdonald 2004-2011 View profile
- Winifred Chime 2011-2014 View profile
- Hazel Louise Walker 2004-2011 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 31/03/2004
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.
- CSC Corporate Services (London) Limited
75-100% shares, 75-100% voting · notified 2017-10-05 - Hsbc Trustee (C.I.) Limited ceased 2017-10-05
75-100% shares, 75-100% voting · notified 2016-04-06
Group
- Network Rail Infrastructure Finance PLC
is controlled by CSC Corporate Services (London) Limited
Evidence
active 75-100% shares, 75-100% voting · notified 2017-10-05 · source: Companies House PSC register - CSC Corporate Services (London) Limited
is controlled by CSC Management Services (UK) Limited
Evidence
active 75-100% shares, 75-100% voting · notified 2016-04-06 · source: Companies House PSC register - CSC Management Services (UK) Limited
is controlled by CSC ITG Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2017-02-01 · source: Companies House PSC register - CSC ITG Holdings Limited
is controlled by CSC Financial Services Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2022-11-15 · source: Companies House PSC register - CSC Financial Services Holdings Limited
is controlled by Corporation Service Company (Europe) Limited
Evidence
ceased 75-100% shares, 75-100% voting, appoints directors · notified 2017-05-10, ceased 2019-11-12 · source: Companies House PSC register
The PSC filings above Network Rail Infrastructure Finance PLC loop back on themselves; the chain is shown as far as it can be followed safely.
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Showing the first 50.
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.
3 directors on the board
- Oskari Tammenmaa Director · appointed 2021
- Samantha Turner Director · appointed 2025
- Jackie Sarpong Director · appointed 2022
First-time vs portfolio directors
Portfolio (3)
- Oskari Tammenmaa Director · appointed 2021
- Samantha Turner Director · appointed 2025
- Jackie Sarpong Director · appointed 2022
Left in the last 12 months
- Paul Daniel Marshall Director · appointed 2014 · resigned 2025
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
- 05090412
- Status
- Active
- Type
- Public Limited Company
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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