Company · London
Rosslyn Data Technologies PLC
Data processing, hosting and related activities
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 10
- Virginia Warr 2019-2025 View profile
- Ashoni Kumar Mehta 2019-2021 View profile
- Roger Graham Bullen 2015-2021 View profile
- Bernard Paul Quinn 2014-2023 View profile
- Edward Paul Stacey 2014-2018 View profile
- Francis Henry Marcus Reid 2014-2015 View profile
- John Edward O'Hara 2014-2019 View profile
- Charles Guy Lovell Wyndham Clark 2014-2019 View profile
- Hugh James George Cox 2014-2021 View profile
- Jeffrey Michael Sweetman 2014-2016 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Data processing, hosting and related activities
- Incorporated
- 07/02/2014
- Registered office
- London
Ownership
Owned by (1) 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.
- Gresham House Asset Management Limited ceased 2023-09-19
25-50% shares, 25-50% voting · notified 2020-05-14
Group
- Rosslyn Data Technologies PLC
is controlled by Gresham House Asset Management Limited
Evidence
ceased 25-50% shares, 25-50% voting · notified 2020-05-14, ceased 2023-09-19 · source: Companies House PSC register - Gresham House Asset Management Limited
is controlled by Gresham House Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Gresham House Holdings Limited
is controlled by Gresham House Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Gresham House Limited
is controlled by Erol Uzumeri
Evidence
active 25-50% voting · notified 2023-12-20 · source: Companies House PSC register
Ultimately controlled by Erol Uzumeri.
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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.
3 directors on the board
- Dr John Robert Chessher Director · appointed 2025
- James Charles Appleby Director · appointed 2018
- Paul William Watts Director · appointed 2020
Directors past 6 years
- James Charles Appleby Director · appointed 2018
- Paul William Watts Director · appointed 2020
First-time vs portfolio directors
Portfolio (3)
- Dr John Robert Chessher Director · appointed 2025
- James Charles Appleby Director · appointed 2018
- Paul William Watts Director · appointed 2020
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
- 08882249
- Status
- Active
- Type
- Public Limited Company
- Accounts next due
- 31/10/2026
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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