Network Rail Infrastructure Finance PLC
Company 05090412 Active
Connected board network
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This company's record is public. The network of who else its directors govern is compiled from the registers by us, and an account keeps it out of bulk scrapers.
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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
3.3y median 4.1y
average tenure
5.2y
longest tenure
0
directors past 6 years
First-time vs portfolio directors
Portfolio (3)
- Oskari Tammenmaa Director · appointed 2021
- Samantha Turner Director · appointed 2025
- Jackie Sarpong Director · appointed 2022
0
also govern a charity
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.
Finance 100Professional services 5Business services 2Tech and media 2
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.
Related organisations iRelated organisationsTwo groups, both deterministic from public records. Related organisations share two or more directors with this board - a real structural link, such as a subsidiary or group company. Connected through a shared director share exactly one person - a genuine connection, but not the same group.
Connected through a shared director
- CSC Nominees (UK) Limited 1 shared director
- Daunus Limited 1 shared director
- Network Rail MTN Finance Limited 1 shared director
- Hayfin Capital Management (UK) Limited 1 shared director
- Arqiva Group Parent Limited 1 shared director
- The Renewable Financing Company Limited 1 shared director
Deterministic, from public records.
Company details
| Number | 05090412 |
| Status | Active |
| Type | Public Limited Company |
| Incorporated | 31/03/2004 |
| Address | WATERLOO GENERAL OFFICE, LONDON, SE1 8SW |
| Accounts next due | 30/09/2026 |
| Accounts last made up | 31/03/2025 |
Industry (SIC)
64999 - Financial intermediation not elsewhere classified
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
Officers (21)
- Samantha Turner Director · appointed 2025
- Jackie Sarpong Director · appointed 2022
- Oskari Tammenmaa Director · appointed 2021
- NR Corporate Secretary Limited Corporate-secretary · appointed 2014
Show 17 former officers
- Vanna De Rose Director · appointed 2021 · resigned 2022
- Douglas William Armour Director · appointed 2019 · resigned 2021
- Clifford Pearce Director · appointed 2018 · resigned 2023
- Paul Daniel Marshall Director · appointed 2014 · resigned 2025
- Vinoy Rajanah Nursiah Director · appointed 2013 · resigned 2017
- Jocelyn Charles Coad Director · appointed 2011 · resigned 2015
- Winifred Chime Secretary · appointed 2011 · resigned 2014
- Andrew James Ballsdon Director · appointed 2011 · resigned 2014
- Samantha Louise Pitt Director · appointed 2004 · resigned 2018
- Trevor James Winter Director · appointed 2004 · resigned 2011
- Garry Robin Southern Director · appointed 2004 · resigned 2004
- Robert William Berry Director · appointed 2004 · resigned 2017
- Frederick Ian Maroundas Director · appointed 2004 · resigned 2004
- Hazel Louise Walker Secretary · appointed 2004 · resigned 2011
- Claudia Ann Wallace Director · appointed 2004 · resigned 2013
- Jonathan Eden Keighley Director · appointed 2004 · resigned 2015
- James Garner Smith Macdonald Director · appointed 2004 · resigned 2011
Directors and officers on the Companies House record, current and former.
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