The red node is Taco. 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
Taco Andries Sieburgh Sjoerdsma
Taco Andries Sieburgh Sjoerdsma is a director of TTX Services UK Limited and a holder of the role of secretary at Pentalpha Capital LTD. Source: Companies House records.
Director at TTX Services UK Limited · Secretary at Pentalpha Capital LTD
- 2 current roles
- 6 previous roles
- Served alongside 14 people
Taco's network: 14 people across 8 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
8 roles across 8 organisations-
TTX Services UK LimitedDirector · 2023-present
Official record · Companies House
- Source
- Companies House
- Organisation
- TTX Services UK Limited
- Role
- Director
- Appointed
- 2023-09-12
- Record reference
- Company 14253026
Current -
Pentalpha Capital LTDSecretary · 2020-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Pentalpha Capital LTD
- Role
- Secretary
- Appointed
- 2020-04-01
- Record reference
- Company 08679155
Current
6 more roles, including 6 previous roles, with dates and sources
Sign in free to see all rolesPeople Taco has served alongside
14 people across 8 organisationsBased on overlapping official board records. Calculated from official records
14 people across 8 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 Taco, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and Taco, 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