Company
Biodiversity Limited
Biodiversity Limited is an active UK company (number 02340441), incorporated 1989, with 4 current directors including Dr Sian Elizabeth Porter and Fiona Mai Porter. Source: Companies House, updated 4th October 2026.
Official record Companies House · updated 4th October 2026 · Sources
Network
The large node is Biodiversity Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.
Who leads it
Previous officers 6
- Dr Frances Mary Giaquinto 1996-2005 View profile
- Professor John Norman Hedger 1996-1998 View profile
- Professor Geoffrey Holt 1996-1996 View profile
- David John Hardman 1996 View profile
- Professor Alan Thomas Bull 1996 View profile
- Dr James Howard Slater 1995 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
About
- Incorporated
- 27/01/1989
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.
- Patricia Ann Porter
75-100% shares · notified 2020-01-01 - confirmed: also a director of this company
Group
- Biodiversity Limited
is controlled by Patricia Ann Porter
Evidence
active 75-100% shares · notified 2020-01-01 · source: Companies House PSC register
Ultimately controlled by Patricia Ann Porter.
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
- £25,527
- Total assets
- £25,527
- Employees
- 2
- Turnover
- Not reported (small or micro-entity accounts)
Filed as Micro-entity accounts.
Figures from accounts filed at Companies House (iXBRL), period ending 2025-09-30. 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.
4 directors on the board
- Dr Neil Porter Director · appointed 1996
- Dr Sian Elizabeth Porter Director · appointed 2020
- Patricia Ann Porter Director · appointed 2005
- Fiona Mai Porter Director · appointed 2020
Directors past 6 years
- Dr Neil Porter Director · appointed 1996
- Dr Sian Elizabeth Porter Director · appointed 2020
- Patricia Ann Porter Director · appointed 2005
- Fiona Mai Porter Director · appointed 2020
First-time vs portfolio directors
First-time (3)
- Dr Neil Porter Director · appointed 1996
- Patricia Ann Porter Director · appointed 2005
- Fiona Mai Porter Director · appointed 2020
Portfolio (1)
- Dr Sian Elizabeth Porter 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.
Gaps to watch
- Several long-serving directors could step down together
- No director brings board experience from anywhere else
- Narrow spread of sectors across the board
Where to look Suggested search: succession planning for long-tenured seats; a director with board experience elsewhere.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 02340441
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data