The red node is James. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Sign in free to explore further.
Person Preview
James Leonard Tanner
James Leonard Tanner is a director of Cumnor House School Trust and a director of Silviculture North LTD, among 4 current roles on record. Source: Companies House records.
Director at Cumnor House School Trust · Director at Silviculture North LTD
- 4 current roles
- 7 previous roles
- Served alongside 203 people
James's network: 203 people across 12 organisations
Anyone can join - you don't need to be on the register. Used by researchers, journalists, recruiters and due diligence teams.
Private by default - we never tell anyone you looked them up. Viewing, searching, saving and shortlisting are private; people only hear from you if you choose to send them a message.
Official record Companies House · updated 11th October 2026 · Free, no card or password
Current roles
11 roles across 11 organisations-
Cumnor House School TrustDirector · 2018-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Cumnor House School Trust
- Role
- Director
- Appointed
- 2018-06-26
- Record reference
- Company 02411055
Current -
Silviculture North LTDDirector · 2017-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Silviculture North LTD
- Role
- Director
- Appointed
- 2017-11-02
- Record reference
- Company 11043906
Current -
Theatre CO-Productions (Sales and Marketing) LimitedDirector · 2014-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Theatre CO-Productions (Sales and Marketing) Limited
- Role
- Director
- Appointed
- 2014-06-17
- Record reference
- Company 08849810
Current
8 more roles, including 7 previous roles, with dates and sources
Sign in free to see all rolesPeople James has served alongside
203 people across 12 organisationsBased on overlapping official board records. Calculated from official records
203 people across 12 organisations
Create a free account to reveal this governance network and see how you're connected.
Create a free account to revealConnections
Connection map
The organisations and people around James, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and James, if there is one.
Create a free account to checkSources
- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 11th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched