{
  "company_number": "04693407",
  "name": "Mark Harris (Anaesthesia) Limited",
  "url": "/company/04693407",
  "status": "Active",
  "is_active": true,
  "company_type": "Private Limited Company",
  "incorporated_on": "2003-03-11",
  "dissolved_on": null,
  "sic_codes": [
    {
      "code": "86220",
      "description": "Specialists medical practice activities",
      "section": "Q",
      "section_name": "Human health and social work activities",
      "url": "/sic/86220"
    }
  ],
  "registered_address": {
    "id": 2621054,
    "url": "/address/2621054",
    "line1": "C/O B S G VALENTINE & CO",
    "line2": "LYNTON HOUSE",
    "post_town": "7-12 TAVISTOCK SQUARE",
    "county": "LONDON",
    "country": "",
    "postcode": "WC1H 9BQ"
  },
  "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407",
  "previous_names": [],
  "care_of": "",
  "po_box": "",
  "country_of_origin": "United Kingdom",
  "accounts": {
    "next_due": "2027-01-31",
    "last_made_up": "2025-04-30",
    "category": "TOTAL EXEMPTION FULL",
    "filings": [
      {
        "url": "/company/04693407/accounts/2025-04-30",
        "pdf_url": "/company/04693407/accounts/2025-04-30.pdf",
        "made_up_date": "2025-04-30",
        "period_start": "2025-04-30",
        "period_end": "2025-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "0.01",
        "tangible_fixed_assets": "30181.00",
        "debtors": "130970.00",
        "cash_bank_in_hand": "697275.00",
        "current_assets": "828245.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "814702.00",
        "total_assets_less_current_liabilities": "844883.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "120.00",
        "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-January2026.zip"
      },
      {
        "url": "/company/04693407/accounts/2024-04-30",
        "pdf_url": "/company/04693407/accounts/2024-04-30.pdf",
        "made_up_date": "2024-04-30",
        "period_start": "2024-04-30",
        "period_end": "2024-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "6587.00",
        "debtors": "151005.00",
        "cash_bank_in_hand": "779999.00",
        "current_assets": "931004.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "920218.00",
        "total_assets_less_current_liabilities": "926805.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "120.00",
        "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-January2025.zip"
      },
      {
        "url": "/company/04693407/accounts/2023-04-30",
        "pdf_url": "/company/04693407/accounts/2023-04-30.pdf",
        "made_up_date": "2023-04-30",
        "period_start": "2023-04-30",
        "period_end": "2023-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "8542.00",
        "debtors": "115997.00",
        "cash_bank_in_hand": "883452.00",
        "current_assets": "999449.00",
        "creditors_due_within_one_year": "19901.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "979548.00",
        "total_assets_less_current_liabilities": "988090.00",
        "net_assets_liabilities": "988090.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "987970.00",
        "shareholder_funds": "120.00",
        "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-January2024.zip"
      },
      {
        "url": "/company/04693407/accounts/2022-04-30",
        "pdf_url": "/company/04693407/accounts/2022-04-30.pdf",
        "made_up_date": "2022-04-30",
        "period_start": "2022-04-30",
        "period_end": "2022-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "6880.00",
        "debtors": "118708.00",
        "cash_bank_in_hand": "872366.00",
        "current_assets": "991074.00",
        "creditors_due_within_one_year": "27229.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "963845.00",
        "total_assets_less_current_liabilities": "970725.00",
        "net_assets_liabilities": "970725.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "970605.00",
        "shareholder_funds": "120.00",
        "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-January2023.zip"
      },
      {
        "url": "/company/04693407/accounts/2021-04-30",
        "pdf_url": "/company/04693407/accounts/2021-04-30.pdf",
        "made_up_date": "2021-04-30",
        "period_start": "2021-04-30",
        "period_end": "2021-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "2585.00",
        "debtors": "826651.00",
        "cash_bank_in_hand": "832122.00",
        "current_assets": "1658773.00",
        "creditors_due_within_one_year": "42043.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1616730.00",
        "total_assets_less_current_liabilities": "1619315.00",
        "net_assets_liabilities": "1619315.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1619195.00",
        "shareholder_funds": "120.00",
        "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-January2022.zip"
      },
      {
        "url": "/company/04693407/accounts/2020-04-30",
        "pdf_url": "/company/04693407/accounts/2020-04-30.pdf",
        "made_up_date": "2020-04-30",
        "period_start": "2020-04-30",
        "period_end": "2020-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "3422.00",
        "debtors": "1399117.00",
        "cash_bank_in_hand": "182082.00",
        "current_assets": "1581199.00",
        "creditors_due_within_one_year": "47110.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1534089.00",
        "total_assets_less_current_liabilities": "1537511.00",
        "net_assets_liabilities": "1537511.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1537391.00",
        "shareholder_funds": "120.00",
        "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-January2021.zip"
      },
      {
        "url": "/company/04693407/accounts/2019-04-30",
        "pdf_url": "/company/04693407/accounts/2019-04-30.pdf",
        "made_up_date": "2019-04-30",
        "period_start": "2019-04-30",
        "period_end": "2019-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "4537.00",
        "debtors": "1345605.00",
        "cash_bank_in_hand": "147543.00",
        "current_assets": "1493148.00",
        "creditors_due_within_one_year": "35519.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1457629.00",
        "total_assets_less_current_liabilities": "1462166.00",
        "net_assets_liabilities": "1462166.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1462046.00",
        "shareholder_funds": "120.00",
        "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-January2020.zip"
      },
      {
        "url": "/company/04693407/accounts/2018-04-30",
        "pdf_url": "/company/04693407/accounts/2018-04-30.pdf",
        "made_up_date": "2018-04-30",
        "period_start": "2018-04-30",
        "period_end": "2018-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "5275.00",
        "debtors": "1272262.00",
        "cash_bank_in_hand": "165138.00",
        "current_assets": "1437400.00",
        "creditors_due_within_one_year": "45868.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1391532.00",
        "total_assets_less_current_liabilities": "1396807.00",
        "net_assets_liabilities": "1396807.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1396687.00",
        "shareholder_funds": "120.00",
        "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-January2019.zip"
      },
      {
        "url": "/company/04693407/accounts/2017-04-30",
        "pdf_url": "/company/04693407/accounts/2017-04-30.pdf",
        "made_up_date": "2017-04-30",
        "period_start": "2017-04-30",
        "period_end": "2017-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "6601.00",
        "debtors": "1276957.00",
        "cash_bank_in_hand": "156920.00",
        "current_assets": "1433877.00",
        "creditors_due_within_one_year": "67646.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1366231.00",
        "total_assets_less_current_liabilities": "1372832.00",
        "net_assets_liabilities": "1372832.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1372712.00",
        "shareholder_funds": "120.00",
        "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-January2018.zip"
      },
      {
        "url": "/company/04693407/accounts/2016-04-30",
        "pdf_url": "/company/04693407/accounts/2016-04-30.pdf",
        "made_up_date": "2016-04-30",
        "period_start": "2016-04-30",
        "period_end": "2016-04-30",
        "entity_name": "Mark Harris (Anaesthesia) Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "8636.00",
        "debtors": "1210687.00",
        "cash_bank_in_hand": "198172.00",
        "current_assets": "1408859.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1294593.00",
        "total_assets_less_current_liabilities": "1303229.00",
        "net_assets_liabilities": "1303229.00",
        "called_up_share_capital": "120.00",
        "profit_loss_account_reserve": "1303109.00",
        "shareholder_funds": "1303229.00",
        "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-January2017.zip"
      }
    ],
    "pdf_only_filings": [
      {
        "made_up_date": "2015-04-30",
        "filing_date": "2016-02-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2015-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzE0MTAyMzMyNGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2014-04-30",
        "filing_date": "2015-04-15",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2014-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzEyMTAxNTk2OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2013-04-30",
        "filing_date": "2014-02-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2013-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzA5Mzk5ODYyN2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2012-04-30",
        "filing_date": "2013-02-05",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2012-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzA3MjMxMTA3M2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2011-04-30",
        "filing_date": "2012-01-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2011-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzA1MTY0MDA3OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2010-04-30",
        "filing_date": "2011-01-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2010-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzAzMTM3NjkwNWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2009-04-30",
        "filing_date": "2010-02-04",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2009-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MzAwODY2NjQ1OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2008-04-30",
        "filing_date": "2009-02-19",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2008-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MjAyNjIxMDI3N2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2007-04-30",
        "filing_date": "2008-03-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-full",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2007-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MjAwMDY4Nzk5MWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2006-04-30",
        "filing_date": "2007-01-22",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-full",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2006-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MTc1MjM2NDc0YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2005-04-30",
        "filing_date": "2006-02-02",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-full",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2005-04-30.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MTc3OTQwNzFhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2004-03-31",
        "filing_date": "2005-05-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-total-exemption-small",
        "paper_filed": true,
        "pdf_url": "/company/04693407/accounts/2004-03-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history/MjE1MTUxOThhZGlxemtjeA/document?format=pdf&download=0"
      }
    ],
    "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/04693407/filing-history"
  },
  "confirmation_statement": {
    "next_due": "2027-03-25",
    "last_made_up": "2026-03-11"
  },
  "officers": [],
  "psc": [
    {
      "name": "Dr Mark Harris",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/3129156",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-75-to-100-percent",
        "voting-rights-75-to-100-percent",
        "right-to-appoint-and-remove-directors"
      ],
      "notified_on": "2016-04-06",
      "ceased_on": null,
      "nationality": "British",
      "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": "2026-08-14T22:38:17.859935+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."
}