{
  "company_number": "04711263",
  "name": "Thalassa Advisory Ltd",
  "url": "/company/04711263",
  "status": "Active",
  "is_active": true,
  "company_type": "Private Limited Company",
  "incorporated_on": "2003-03-25",
  "dissolved_on": null,
  "sic_codes": [
    {
      "code": "66190",
      "description": "Activities auxiliary to financial intermediation n.e.c.",
      "section": "K",
      "section_name": "Financial and insurance activities",
      "url": "/sic/66190"
    },
    {
      "code": "68320",
      "description": "Management of real estate on a fee or contract basis",
      "section": "L",
      "section_name": "Real estate activities",
      "url": "/sic/68320"
    },
    {
      "code": "70229",
      "description": "Management consultancy activities other than financial management",
      "section": "M",
      "section_name": "Professional, scientific and technical activities",
      "url": "/sic/70229"
    },
    {
      "code": "82110",
      "description": "Combined office administrative service activities",
      "section": "N",
      "section_name": "Administrative and support service activities",
      "url": "/sic/82110"
    }
  ],
  "registered_address": {
    "id": 1515075,
    "url": "/address/1515075",
    "line1": "STANHOPE HOUSE",
    "line2": "STANHOPE PLACE",
    "post_town": "LONDON",
    "county": "",
    "country": "ENGLAND",
    "postcode": "W2 2HH"
  },
  "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263",
  "previous_names": [
    {
      "name": "Hyde Park Property Management Limited",
      "ceased_on": "2023-01-12"
    }
  ],
  "care_of": "",
  "po_box": "",
  "country_of_origin": "United Kingdom",
  "accounts": {
    "next_due": "2026-12-31",
    "last_made_up": "2025-03-31",
    "category": "TOTAL EXEMPTION FULL",
    "filings": [
      {
        "url": "/company/04711263/accounts/2025-03-31",
        "made_up_date": "2025-03-31",
        "period_start": "2025-03-31",
        "period_end": "2025-03-31",
        "entity_name": "Thalassa Advisory Ltd",
        "dormant": false,
        "average_employees": "2.00",
        "tangible_fixed_assets": "6740.00",
        "debtors": "91481.00",
        "cash_bank_in_hand": "78602.00",
        "current_assets": "170083.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "135652.00",
        "total_assets_less_current_liabilities": "142392.00",
        "net_assets_liabilities": "142392.00",
        "called_up_share_capital": "3.00",
        "profit_loss_account_reserve": "142389.00",
        "shareholder_funds": "3.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-June2025.zip"
      },
      {
        "url": "/company/04711263/accounts/2024-03-31",
        "made_up_date": "2024-03-31",
        "period_start": "2024-03-31",
        "period_end": "2024-03-31",
        "entity_name": "Thalassa Advisory Ltd",
        "dormant": false,
        "average_employees": "2.00",
        "tangible_fixed_assets": "8425.00",
        "debtors": "82179.00",
        "cash_bank_in_hand": "18114.00",
        "current_assets": "100293.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "79119.00",
        "total_assets_less_current_liabilities": "87544.00",
        "net_assets_liabilities": "87544.00",
        "called_up_share_capital": "3.00",
        "profit_loss_account_reserve": "87541.00",
        "shareholder_funds": "3.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2024.zip"
      },
      {
        "url": "/company/04711263/accounts/2023-03-31",
        "made_up_date": "2023-03-31",
        "period_start": "2023-03-31",
        "period_end": "2023-03-31",
        "entity_name": "Thalassa Advisory Ltd",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1.00",
        "debtors": null,
        "cash_bank_in_hand": "80714.00",
        "current_assets": "80714.00",
        "creditors_due_within_one_year": "18752.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "61962.00",
        "total_assets_less_current_liabilities": "61963.00",
        "net_assets_liabilities": "61963.00",
        "called_up_share_capital": "3.00",
        "profit_loss_account_reserve": "61960.00",
        "shareholder_funds": "3.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2023.zip"
      },
      {
        "url": "/company/04711263/accounts/2022-03-31",
        "made_up_date": "2022-03-31",
        "period_start": "2022-03-31",
        "period_end": "2022-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1.00",
        "debtors": "55000.00",
        "cash_bank_in_hand": "5093.00",
        "current_assets": "60093.00",
        "creditors_due_within_one_year": "17849.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "42244.00",
        "total_assets_less_current_liabilities": "42245.00",
        "net_assets_liabilities": "42245.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "42244.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2022.zip"
      },
      {
        "url": "/company/04711263/accounts/2021-03-31",
        "made_up_date": "2021-03-31",
        "period_start": "2021-03-31",
        "period_end": "2021-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1.00",
        "debtors": "50000.00",
        "cash_bank_in_hand": "1298.00",
        "current_assets": "51298.00",
        "creditors_due_within_one_year": "8749.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "42549.00",
        "total_assets_less_current_liabilities": "42550.00",
        "net_assets_liabilities": "42550.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "42549.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2021.zip"
      },
      {
        "url": "/company/04711263/accounts/2020-03-31",
        "made_up_date": "2020-03-31",
        "period_start": "2020-03-31",
        "period_end": "2020-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1.00",
        "debtors": "38491.00",
        "cash_bank_in_hand": "40247.00",
        "current_assets": "78738.00",
        "creditors_due_within_one_year": "36612.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "42126.00",
        "total_assets_less_current_liabilities": "42127.00",
        "net_assets_liabilities": "42127.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "42126.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2020.zip"
      },
      {
        "url": "/company/04711263/accounts/2019-03-31",
        "made_up_date": "2019-03-31",
        "period_start": "2019-03-31",
        "period_end": "2019-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "1.00",
        "debtors": "20000.00",
        "cash_bank_in_hand": "30100.00",
        "current_assets": "50100.00",
        "creditors_due_within_one_year": "8342.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "41758.00",
        "total_assets_less_current_liabilities": "41759.00",
        "net_assets_liabilities": "41759.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "41758.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-November2019.zip"
      },
      {
        "url": "/company/04711263/accounts/2018-03-31",
        "made_up_date": "2018-03-31",
        "period_start": "2018-03-31",
        "period_end": "2018-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "1.00",
        "debtors": "16140.00",
        "cash_bank_in_hand": "44899.00",
        "current_assets": "61039.00",
        "creditors_due_within_one_year": "23022.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "38017.00",
        "total_assets_less_current_liabilities": "38018.00",
        "net_assets_liabilities": "38018.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "38017.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2018.zip"
      },
      {
        "url": "/company/04711263/accounts/2017-03-31",
        "made_up_date": "2017-03-31",
        "period_start": "2017-03-31",
        "period_end": "2017-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "1.00",
        "debtors": "44345.00",
        "cash_bank_in_hand": "3213.00",
        "current_assets": "47558.00",
        "creditors_due_within_one_year": "19320.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "28238.00",
        "total_assets_less_current_liabilities": "28239.00",
        "net_assets_liabilities": "28239.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "28238.00",
        "shareholder_funds": "1.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2017.zip"
      },
      {
        "url": "/company/04711263/accounts/2016-03-31",
        "made_up_date": "2016-03-31",
        "period_start": "2016-03-31",
        "period_end": "2016-03-31",
        "entity_name": "Hyde Park Property Management Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "1.00",
        "debtors": "33218.00",
        "cash_bank_in_hand": null,
        "current_assets": "33218.00",
        "creditors_due_within_one_year": "14524.00",
        "creditors_due_after_one_year": "0.00",
        "net_current_assets_liabilities": "18694.00",
        "total_assets_less_current_liabilities": "18695.00",
        "net_assets_liabilities": "18695.00",
        "called_up_share_capital": "1.00",
        "profit_loss_account_reserve": "18694.00",
        "shareholder_funds": "18695.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-December2016.zip"
      }
    ],
    "pdf_only_filings": [
      {
        "made_up_date": "2015-03-31",
        "filing_date": "2015-09-10",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2015-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzEzMDQ2ODEwM2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2014-03-31",
        "filing_date": "2015-02-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2014-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzExNjM4Njc2OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2013-03-31",
        "filing_date": "2014-01-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2013-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzA5MjAxNTI1MmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2012-03-31",
        "filing_date": "2013-04-10",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2012-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzA3NjAxMTcxNGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2011-03-31",
        "filing_date": "2012-01-04",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2011-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzA1MDA3NjczMmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2010-03-31",
        "filing_date": "2010-05-11",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2010-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzAxNTI3NzM0OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2009-03-31",
        "filing_date": "2009-10-23",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2009-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MzAwMTM1NDE4OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2008-03-31",
        "filing_date": "2008-09-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2008-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MjAxMjg1NzA4OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2007-03-31",
        "filing_date": "2008-01-09",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2007-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MTkwODMyMTIyYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2006-03-31",
        "filing_date": "2007-02-28",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2006-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MTc2NjMyMzkyYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2005-03-31",
        "filing_date": "2006-01-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2005-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/MTE3MDI0MDU3YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2004-03-31",
        "filing_date": "2005-02-09",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04711263/accounts/2004-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history/NjU1NjgwOTBhZGlxemtjeA/document?format=pdf&download=0"
      }
    ],
    "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/04711263/filing-history"
  },
  "confirmation_statement": {
    "next_due": "2027-04-11",
    "last_made_up": "2026-03-28"
  },
  "officers": [],
  "psc": [
    {
      "name": "Mr Antonios Psarros",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/491423",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-75-to-100-percent"
      ],
      "notified_on": "2016-04-06",
      "ceased_on": "2022-08-19",
      "nationality": "Greek",
      "country_of_residence": "Greece",
      "source": "snapshot"
    },
    {
      "name": "Mrs Angelique Karnessis",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/415030",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent"
      ],
      "notified_on": "2022-09-05",
      "ceased_on": null,
      "nationality": "Greek",
      "country_of_residence": "Greece",
      "source": "snapshot"
    },
    {
      "name": "Ms Eleftheria Karnessis",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/1410265",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent"
      ],
      "notified_on": "2022-09-05",
      "ceased_on": null,
      "nationality": "Greek",
      "country_of_residence": "Greece",
      "source": "snapshot"
    },
    {
      "name": "Mr Nicholas Karnessis",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/3656859",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent"
      ],
      "notified_on": "2022-08-19",
      "ceased_on": null,
      "nationality": "Greek",
      "country_of_residence": "Greece",
      "source": "snapshot"
    }
  ],
  "external_links": [],
  "provenance": {
    "source": "snapshot",
    "first_seen_at": "2026-07-05T12:35:35.811816+00:00",
    "last_seen_snapshot": "2026-08-01",
    "retrieved_at": "2026-08-02T04:49:33.076767+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: Companies House."
}