The red node is Tsutomu. 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
Tsutomu Ishiyama
Tsutomu Ishiyama was previously a director of Hammerson (Euston Square) Estates Limited (until 1997) and 1 other organisation. Source: Companies House records.
Director at Hammerson (Euston Square) Estates Limited · Director at Sksp Limited
- 0 current roles
- 2 previous roles
- Served alongside 12 people
Tsutomu's network: 12 people across 2 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
Roles
2 roles across 2 organisations-
Hammerson (Euston Square) Estates LimitedDirector · 1993-1997
Official record · Companies House
- Source
- Companies House
- Organisation
- Hammerson (Euston Square) Estates Limited
- Role
- Director
- Appointed
- 1993-05-27
- Ended
- 1997-04-11
- Record reference
- Company 02359461
Previous -
Sksp LimitedDirector · 1993-1997
Official record · Companies House
- Source
- Companies House
- Organisation
- Sksp Limited
- Role
- Director
- Appointed
- 1993-05-25
- Ended
- 1997-04-11
- Record reference
- Company 02262315
Previous
People Tsutomu has served alongside
12 people across 2 organisationsBased on overlapping official board records. Calculated from official records
12 people across 2 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 Tsutomu, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and Tsutomu, 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