The red node is John. 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
John Henry Markham
John Henry Markham was previously a secretary of Blackwell Golf Club,Limited (until 2025) and 7 other organisations. Source: Companies House records.
Secretary at Blackwell Golf Club,Limited · Director at Trilogy Active LTD
- 0 current roles
- 8 previous roles
- Served alongside 250 people
John's network: 250 people across 9 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 4th October 2026 · Free, no card or password
Roles
8 roles across 8 organisations-
Blackwell Golf Club,LimitedSecretary · 2018-2025
Official record · Companies House
- Source
- Companies House
- Organisation
- Blackwell Golf Club,Limited
- Role
- Secretary
- Appointed
- 2018-05-10
- Ended
- 2025-04-26
- Record reference
- Company 00179152
Previous -
Trilogy Active LTDDirector · 2014-2016
Official record · Companies House
- Source
- Companies House
- Organisation
- Trilogy Active LTD
- Role
- Director
- Appointed
- 2014-09-23
- Ended
- 2016-11-25
- Record reference
- Company 07555631
Previous -
Inspiration Healthcare Group PLCDirector · 2002-2015
Official record · Companies House
- Source
- Companies House
- Organisation
- Inspiration Healthcare Group PLC
- Role
- Director
- Appointed
- 2002-03-14
- Ended
- 2015-06-23
- Record reference
- Company 03587944
Previous
5 more roles, with dates and sources
Sign in free to see all rolesPeople John has served alongside
250 people across 9 organisationsBased on overlapping official board records. Calculated from official records
250 people across 9 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 John, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and John, if there is one.
Create a free account to checkSources
- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 4th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched