{ "company_number": "06999312", "name": "Kardiostar Ltd", "url": "/company/06999312", "status": "Active", "is_active": true, "company_type": "Private Limited Company", "incorporated_on": "2009-08-24", "dissolved_on": null, "sic_codes": [ { "code": "70229", "description": "Management consultancy activities other than financial management", "section": "M", "section_name": "Professional, scientific and technical activities", "url": "/sic/70229" }, { "code": "85590", "description": "Other education n.e.c.", "section": "P", "section_name": "Education", "url": "/sic/85590" }, { "code": "86220", "description": "Specialists medical practice activities", "section": "Q", "section_name": "Human health and social work activities", "url": "/sic/86220" } ], "registered_address": { "id": 2340827, "url": "/address/2340827", "line1": "1 CAVICK COTTAGES", "line2": "CAVICK ROAD", "post_town": "WYMONDHAM", "county": "", "country": "ENGLAND", "postcode": "NR18 9PJ" }, "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/06999312", "previous_names": [], "care_of": "", "po_box": "", "country_of_origin": "United Kingdom", "accounts": { "next_due": "2027-05-31", "last_made_up": "2025-08-31", "category": "MICRO ENTITY", "filings": [ { "url": "/company/06999312/accounts/2025-08-31", "pdf_url": "/company/06999312/accounts/2025-08-31.pdf", "made_up_date": "2025-08-31", "period_start": "2025-08-31", "period_end": "2025-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": "3478.00", "debtors": null, "cash_bank_in_hand": null, "current_assets": "40.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-8237.00", "total_assets_less_current_liabilities": "-4759.00", "net_assets_liabilities": "-5739.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "-5739.00", "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-May2026.zip" }, { "url": "/company/06999312/accounts/2024-08-31", "pdf_url": "/company/06999312/accounts/2024-08-31.pdf", "made_up_date": "2024-08-31", "period_start": "2024-08-31", "period_end": "2024-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-16309.00", "total_assets_less_current_liabilities": "-15467.00", "net_assets_liabilities": "-16367.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-April2025.zip" }, { "url": "/company/06999312/accounts/2023-08-31", "pdf_url": "/company/06999312/accounts/2023-08-31.pdf", "made_up_date": "2023-08-31", "period_start": "2023-08-31", "period_end": "2023-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-10966.00", "total_assets_less_current_liabilities": "-8772.00", "net_assets_liabilities": "-10607.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-May2024.zip" }, { "url": "/company/06999312/accounts/2022-08-31", "pdf_url": "/company/06999312/accounts/2022-08-31.pdf", "made_up_date": "2022-08-31", "period_start": "2022-08-31", "period_end": "2022-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-12617.00", "total_assets_less_current_liabilities": "-10195.00", "net_assets_liabilities": "-11945.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-August2023.zip" }, { "url": "/company/06999312/accounts/2021-08-31", "pdf_url": "/company/06999312/accounts/2021-08-31.pdf", "made_up_date": "2021-08-31", "period_start": "2021-08-31", "period_end": "2021-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-16161.00", "total_assets_less_current_liabilities": "-12683.00", "net_assets_liabilities": "-14333.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-August2022.zip" }, { "url": "/company/06999312/accounts/2020-08-31", "pdf_url": "/company/06999312/accounts/2020-08-31.pdf", "made_up_date": "2020-08-31", "period_start": "2020-08-31", "period_end": "2020-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": "2.00", "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-8750.00", "total_assets_less_current_liabilities": "-2790.00", "net_assets_liabilities": "-3590.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-August2021.zip" }, { "url": "/company/06999312/accounts/2019-08-31", "pdf_url": "/company/06999312/accounts/2019-08-31.pdf", "made_up_date": "2019-08-31", "period_start": "2019-08-31", "period_end": "2019-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "6088.00", "total_assets_less_current_liabilities": "8414.00", "net_assets_liabilities": "7651.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-August2020.zip" }, { "url": "/company/06999312/accounts/2018-08-31", "pdf_url": "/company/06999312/accounts/2018-08-31.pdf", "made_up_date": "2018-08-31", "period_start": "2018-08-31", "period_end": "2018-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "3518.00", "total_assets_less_current_liabilities": "6195.00", "net_assets_liabilities": "5404.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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-January2019.zip" }, { "url": "/company/06999312/accounts/2017-08-31", "pdf_url": "/company/06999312/accounts/2017-08-31.pdf", "made_up_date": "2017-08-31", "period_start": "2017-08-31", "period_end": "2017-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": null, "cash_bank_in_hand": null, "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-924.00", "total_assets_less_current_liabilities": "4505.00", "net_assets_liabilities": null, "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": null, "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/06999312/accounts/2016-08-31", "pdf_url": "/company/06999312/accounts/2016-08-31.pdf", "made_up_date": "2016-08-31", "period_start": "2016-08-31", "period_end": "2016-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "3702.00", "debtors": "1290.00", "cash_bank_in_hand": "5440.00", "current_assets": null, "creditors_due_within_one_year": "1217.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "5513.00", "total_assets_less_current_liabilities": "9215.00", "net_assets_liabilities": "9215.00", "called_up_share_capital": "100.00", "profit_loss_account_reserve": "9115.00", "shareholder_funds": "9215.00", "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-November2016.zip" }, { "url": "/company/06999312/accounts/2015-08-31", "pdf_url": "/company/06999312/accounts/2015-08-31.pdf", "made_up_date": "2015-08-31", "period_start": "2015-08-31", "period_end": "2015-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "2364.00", "debtors": "1181.00", "cash_bank_in_hand": "3331.00", "current_assets": "4512.00", "creditors_due_within_one_year": "820.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "3692.00", "total_assets_less_current_liabilities": "6056.00", "net_assets_liabilities": "5582.00", "called_up_share_capital": "100.00", "profit_loss_account_reserve": "5482.00", "shareholder_funds": "5582.00", "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-November2015.zip" }, { "url": "/company/06999312/accounts/2014-08-31", "pdf_url": "/company/06999312/accounts/2014-08-31.pdf", "made_up_date": "2014-08-31", "period_start": "2014-08-31", "period_end": "2014-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "986.00", "debtors": "711.00", "cash_bank_in_hand": "5785.00", "current_assets": "6496.00", "creditors_due_within_one_year": "2279.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "4217.00", "total_assets_less_current_liabilities": "5203.00", "net_assets_liabilities": "5005.00", "called_up_share_capital": "100.00", "profit_loss_account_reserve": "4905.00", "shareholder_funds": "5005.00", "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-November2014.zip" }, { "url": "/company/06999312/accounts/2013-08-31", "pdf_url": "/company/06999312/accounts/2013-08-31.pdf", "made_up_date": "2013-08-31", "period_start": "2013-08-31", "period_end": "2013-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": "173.00", "cash_bank_in_hand": "2232.00", "current_assets": "2405.00", "creditors_due_within_one_year": "1769.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "636.00", "total_assets_less_current_liabilities": "636.00", "net_assets_liabilities": null, "called_up_share_capital": "100.00", "profit_loss_account_reserve": "536.00", "shareholder_funds": "636.00", "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-October2013.zip" }, { "url": "/company/06999312/accounts/2012-08-31", "pdf_url": "/company/06999312/accounts/2012-08-31.pdf", "made_up_date": "2012-08-31", "period_start": "2012-08-31", "period_end": "2012-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": "239.00", "cash_bank_in_hand": "1201.00", "current_assets": "1440.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-2105.00", "total_assets_less_current_liabilities": "-2105.00", "net_assets_liabilities": "-2105.00", "called_up_share_capital": "100.00", "profit_loss_account_reserve": "-2205.00", "shareholder_funds": "-2105.00", "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": "xml", "parse_error": "", "source_zip": "Accounts_Monthly_Data-October2012.zip" }, { "url": "/company/06999312/accounts/2011-08-31", "pdf_url": "/company/06999312/accounts/2011-08-31.pdf", "made_up_date": "2011-08-31", "period_start": "2011-08-31", "period_end": "2011-08-31", "entity_name": "Kardiostar Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": null, "debtors": "120.00", "cash_bank_in_hand": "6.00", "current_assets": "126.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-1130.00", "total_assets_less_current_liabilities": "-1130.00", "net_assets_liabilities": "-1130.00", "called_up_share_capital": "100.00", "profit_loss_account_reserve": "-1230.00", "shareholder_funds": "-1130.00", "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": "xml", "parse_error": "", "source_zip": "Accounts_Monthly_Data-November2011.zip" } ], "pdf_only_filings": [ { "made_up_date": "2010-08-31", "filing_date": "2011-05-17", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/06999312/accounts/2010-08-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/06999312/filing-history/MzAzNzI3MTQxMGFkaXF6a2N4/document?format=pdf&download=0" } ], "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/06999312/filing-history" }, "confirmation_statement": { "next_due": "2026-09-07", "last_made_up": "2025-08-24" }, "officers": [], "psc": [ { "name": "Katrin Sarev", "kind": "individual-person-with-significant-control", "person_url": "/person/2633312", "controlling_company_url": null, "natures_of_control": [ "ownership-of-shares-25-to-50-percent", "voting-rights-25-to-50-percent", "right-to-appoint-and-remove-directors" ], "notified_on": "2016-04-06", "ceased_on": null, "nationality": "Estonian", "country_of_residence": "England", "source": "snapshot" }, { "name": "Dr Toomas Sarev", "kind": "individual-person-with-significant-control", "person_url": "/person/5071342", "controlling_company_url": null, "natures_of_control": [ "ownership-of-shares-25-to-50-percent", "voting-rights-25-to-50-percent", "right-to-appoint-and-remove-directors", "significant-influence-or-control" ], "notified_on": "2016-04-06", "ceased_on": null, "nationality": "Estonian", "country_of_residence": "England", "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": "2026-08-14T22:43:52.697050+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." }