Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 11 April 2027
- Last conf. stmt
- 28 March 2026
Thalassa Advisory Ltd
- Incorporated
- 25 March 2003 (23 years)
- Previously known as
- Hyde Park Property Management Limited (until 12 January 2023)
- Industry
- Activities auxiliary to financial intermediation n.e.c. (66190) Management of real estate on a fee or contract basis (68320)Management consultancy activities other than financial management (70229)Combined office administrative service activities (82110)
- Owned by
- Eleftheria KarnessisAngelique KarnessisNicholas Karnessis
- Accounts type
- Total exemption full
- Region
- Greater London
- Address
- Stanhope HouseStanhope PlaceLondonW2 2HH
Officers 3 active
Officer details are public data from the Companies House register.
Gms Fc Limited
Corporate Secretary · Appointed 1 June 2024
Director · Appointed 1 June 2024
British
Born August 1980 (46)
Director · Appointed 27 July 2022
Also at Personal Best Foundation · more companies
British
Born March 1990 (36)
Officer history (3 former)
1 June 2024
Appointed Gms Fc Limited as Corporate Secretary
1 June 2024
1 June 2024
Resigned Abrahams, Mark David as Secretary
27 July 2022
27 July 2022
Resigned Psarros, Antonios as Director
20 March 2014
Appointed Psarros, Antonios as Director
20 March 2014
Resigned Papakonstantinou, Klearchos as Director
25 March 2003
Appointed Papakonstantinou, Klearchos as Director
25 March 2003
Appointed Abrahams, Mark David as Secretary
Ownership 3 active
People and entities with significant control, from the Companies House PSC register
Eleftheria Karnessis
Individual · Notified 5 September 2022
Owns 25–50% of shares
Greek
Born December 1988 (37)
Angelique Karnessis
Individual · Notified 5 September 2022
Owns 25–50% of shares
Greek
Born March 1990 (36)
Nicholas Karnessis
Individual · Notified 19 August 2022
Owns 25–50% of shares
Greek
Born February 1992 (34)
Former controllers (1)
19 August 2022
Ceased Antonios Psarros — Owns 75–100% of shares
Financials
Balance sheet as at 31 March 2025 · total exemption full accounts
- Net Assets
- £142,392
- Cash
- £78,602
- Employees
- 3
- Debt Ratio
- 19%
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £6,740 | £8,425 | £1 | £1 | £1 | £1 |
| Current Assets | £170,083 | £100,293 | £80,714 | £60,093 | £51,298 | £78,738 |
| Debtors | £91,481 | £82,179 | £55,000 | £50,000 | £38,491 | |
| Cash | £78,602 | £18,114 | £80,714 | £5,093 | £1,298 | £40,247 |
| Creditors (< 1 year) | £18,752 | £17,849 | £8,749 | £36,612 | ||
| Net Current Assets | £135,652 | £79,119 | £61,962 | £42,244 | £42,549 | £42,126 |
| Net Assets | £142,392 | £87,544 | £61,963 | £42,245 | £42,550 | £42,127 |
| Shareholder Funds | £61,963 | £42,245 | £42,550 | £42,127 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 9 April 2026 | Confirmation statement with no updates | 28 March 2026 | ||
| 20 November 2025 | Director's details changed | |||
| 27 June 2025 | Total exemption full accounts | 31 March 2025 | ||
| 9 April 2025 | Confirmation statement with no updates | 28 March 2025 | ||
| 4 December 2024 | Total exemption full accounts | 31 March 2024 |
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