Company
Thalassa Advisory LTD
Official record Companies House · updated 20th September 2026 · Sources
Network
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Who leads it
Previous officers 3
- Antonios Psarros 2014-2022 View profile
- Klearchos Papakonstantinou 2003-2014 View profile
- Mark David Abrahams 2003-2024 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 25/03/2003
Ownership
Owned by (2) 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.
- Nicholas Karnessis
25-50% shares · notified 2022-08-19 - Antonios Psarros ceased 2022-08-19
75-100% shares · notified 2016-04-06
Group
- Thalassa Advisory LTD
is controlled by Nicholas Karnessis
Evidence
active 25-50% shares · notified 2022-08-19 · source: Companies House PSC register
Ultimately controlled by Nicholas Karnessis.
1 other company in this group
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.
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.
2 directors on the board
- Sir Charles Lawrence Somerset Clarke Director · appointed 2022
- Peter Benedict Santamaria Director · appointed 2024
First-time vs portfolio directors
Portfolio (2)
- Sir Charles Lawrence Somerset Clarke Director · appointed 2022
- Peter Benedict Santamaria Director · appointed 2024
Also govern a charity
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.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 04711263
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 20th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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