Company
Oxford Authentication Limited
Oxford Authentication Limited is an active UK company (number 03331225), incorporated 1997, with 3 current directors including Helen Louise Mason and Vanessa Elise Barnard. Source: Companies House, updated 4th October 2026.
Official record Companies House · updated 4th October 2026 · Sources
Network
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Who leads it
Previous officers 2
- Professor Arthur Marshall Stoneham 1997-2011 View profile
- Doreen Stoneham 1997-2022 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 11/03/1997
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.
- Vanessa Elise Barnard
significant influence · notified 2022-05-11 - Doreen Stoneham ceased 2022-06-01
25-50% shares · notified 2016-04-07
Group
- Oxford Authentication Limited
is controlled by Vanessa Elise Barnard
Evidence
active significant influence · notified 2022-05-11 · source: Companies House PSC register
Ultimately controlled by Vanessa Elise Barnard.
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.
Financials
- Net assets
- £767,644
- Total assets
- £777,002
- Cash
- £701,801
- Employees
- 5
- Turnover
- Not reported (small or micro-entity accounts)
Filed as Full accounts (audit exempt).
Figures from accounts filed at Companies House (iXBRL), period ending 2025-06-30. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
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
- Vanessa Elise Barnard Director · appointed 2011
- Karen Nicola Thomas Director · appointed 2011
- Helen Louise Mason Director · appointed 2026
Directors past 6 years
- Vanessa Elise Barnard Director · appointed 2011
- Karen Nicola Thomas Director · appointed 2011
First-time vs portfolio directors
First-time (1)
- Helen Louise Mason Director · appointed 2026
Portfolio (2)
- Vanessa Elise Barnard Director · appointed 2011
- Karen Nicola Thomas Director · appointed 2011
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.
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
- 03331225
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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