{ "company_number": "04420926", "name": "Open Building Systems Ltd", "url": "/company/04420926", "status": "Active", "is_active": true, "company_type": "Private Limited Company", "incorporated_on": "2002-04-19", "dissolved_on": null, "sic_codes": [ { "code": "43999", "description": "Other specialised construction activities n.e.c.", "section": "F", "section_name": "Construction", "url": "/sic/43999" } ], "registered_address": { "id": 1014673, "url": "/address/1014673", "line1": "167-169 GREAT PORTLAND STREET", "line2": "FIFTH FLOOR", "post_town": "LONDON", "county": "", "country": "", "postcode": "W1W 5PF" }, "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926", "previous_names": [], "care_of": "", "po_box": "", "country_of_origin": "United Kingdom", "accounts": { "next_due": "2027-12-31", "last_made_up": "2026-03-31", "category": "TOTAL EXEMPTION FULL", "filings": [ { "url": "/company/04420926/accounts/2026-03-31", "made_up_date": "2026-03-31", "period_start": "2026-03-31", "period_end": "2026-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": "6.00", "tangible_fixed_assets": "14104.00", "debtors": "66749.00", "cash_bank_in_hand": "202782.00", "current_assets": "269531.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "183618.00", "total_assets_less_current_liabilities": "197722.00", "net_assets_liabilities": "194196.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "193196.00", "shareholder_funds": "1000.00", "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-June2026.zip" }, { "url": "/company/04420926/accounts/2025-03-31", "made_up_date": "2025-03-31", "period_start": "2025-03-31", "period_end": "2025-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": "6.00", "tangible_fixed_assets": "14675.00", "debtors": "291747.00", "cash_bank_in_hand": "105971.00", "current_assets": "397718.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "197466.00", "total_assets_less_current_liabilities": "212141.00", "net_assets_liabilities": "208472.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "207472.00", "shareholder_funds": "1000.00", "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-November2025.zip" }, { "url": "/company/04420926/accounts/2024-03-31", "made_up_date": "2024-03-31", "period_start": "2024-03-31", "period_end": "2024-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": "4.00", "tangible_fixed_assets": "15035.00", "debtors": "497806.00", "cash_bank_in_hand": "85431.00", "current_assets": "583237.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "223342.00", "total_assets_less_current_liabilities": "238377.00", "net_assets_liabilities": "235520.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "234520.00", "shareholder_funds": "1000.00", "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-October2024.zip" }, { "url": "/company/04420926/accounts/2023-03-31", "made_up_date": "2023-03-31", "period_start": "2023-03-31", "period_end": "2023-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": "4.00", "tangible_fixed_assets": "10481.00", "debtors": "227030.00", "cash_bank_in_hand": "113904.00", "current_assets": "340934.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "134174.00", "total_assets_less_current_liabilities": "144655.00", "net_assets_liabilities": "142664.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-August2023.zip" }, { "url": "/company/04420926/accounts/2022-03-31", "made_up_date": "2022-03-31", "period_start": "2022-03-31", "period_end": "2022-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": "4.00", "tangible_fixed_assets": "11591.00", "debtors": "91130.00", "cash_bank_in_hand": "125889.00", "current_assets": "217019.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "93200.00", "total_assets_less_current_liabilities": "104791.00", "net_assets_liabilities": "102589.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-September2022.zip" }, { "url": "/company/04420926/accounts/2021-03-31", "made_up_date": "2021-03-31", "period_start": "2021-03-31", "period_end": "2021-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": "4.00", "tangible_fixed_assets": "7511.00", "debtors": "45627.00", "cash_bank_in_hand": "138534.00", "current_assets": "184161.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "77919.00", "total_assets_less_current_liabilities": "85430.00", "net_assets_liabilities": "84024.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-May2021.zip" }, { "url": "/company/04420926/accounts/2020-03-31", "made_up_date": "2020-03-31", "period_start": "2020-03-31", "period_end": "2020-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": null, "tangible_fixed_assets": "8567.00", "debtors": "113243.00", "cash_bank_in_hand": "110954.00", "current_assets": "224197.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "82484.00", "total_assets_less_current_liabilities": "91051.00", "net_assets_liabilities": "89423.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-September2020.zip" }, { "url": "/company/04420926/accounts/2019-03-31", "made_up_date": "2019-03-31", "period_start": "2019-03-31", "period_end": "2019-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": null, "tangible_fixed_assets": "9472.00", "debtors": "91610.00", "cash_bank_in_hand": "109124.00", "current_assets": "200734.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "63352.00", "total_assets_less_current_liabilities": "72824.00", "net_assets_liabilities": "71025.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-August2019.zip" }, { "url": "/company/04420926/accounts/2018-03-31", "made_up_date": "2018-03-31", "period_start": "2018-03-31", "period_end": "2018-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": null, "tangible_fixed_assets": "6208.00", "debtors": "73197.00", "cash_bank_in_hand": "118006.00", "current_assets": "191203.00", "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": "58447.00", "total_assets_less_current_liabilities": "64655.00", "net_assets_liabilities": "63476.00", "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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-June2018.zip" }, { "url": "/company/04420926/accounts/2017-03-31", "made_up_date": "2017-03-31", "period_start": "2016-04-01", "period_end": "2017-03-31", "entity_name": "Open Building Systems Limited", "dormant": false, "average_employees": null, "tangible_fixed_assets": "6514.00", "debtors": "22345.00", "cash_bank_in_hand": "68880.00", "current_assets": null, "creditors_due_within_one_year": null, "creditors_due_after_one_year": null, "net_current_assets_liabilities": null, "total_assets_less_current_liabilities": null, "net_assets_liabilities": null, "called_up_share_capital": null, "profit_loss_account_reserve": null, "shareholder_funds": "1000.00", "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": "29079.00", "profit_loss_for_period": null, "file_type": "html", "parse_error": "", "source_zip": "Accounts_Monthly_Data-August2017.zip" }, { "url": "/company/04420926/accounts/2016-03-31", "made_up_date": "2016-03-31", "period_start": "2016-03-31", "period_end": "2016-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "5744.00", "debtors": "16139.00", "cash_bank_in_hand": "133466.00", "current_assets": "149605.00", "creditors_due_within_one_year": "138948.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "10657.00", "total_assets_less_current_liabilities": "16401.00", "net_assets_liabilities": "15252.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "14252.00", "shareholder_funds": "15252.00", "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" }, { "url": "/company/04420926/accounts/2015-03-31", "made_up_date": "2015-03-31", "period_start": "2015-03-31", "period_end": "2015-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "5969.00", "debtors": "55575.00", "cash_bank_in_hand": "122164.00", "current_assets": "177739.00", "creditors_due_within_one_year": "174737.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "3002.00", "total_assets_less_current_liabilities": "8971.00", "net_assets_liabilities": "7777.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "6777.00", "shareholder_funds": "7777.00", "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/04420926/accounts/2014-03-31", "made_up_date": "2014-03-31", "period_start": "2014-03-31", "period_end": "2014-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "3461.00", "debtors": "80342.00", "cash_bank_in_hand": "90496.00", "current_assets": "170838.00", "creditors_due_within_one_year": "173378.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "-2540.00", "total_assets_less_current_liabilities": "921.00", "net_assets_liabilities": "103.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "-897.00", "shareholder_funds": "103.00", "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-August2014.zip" }, { "url": "/company/04420926/accounts/2013-03-31", "made_up_date": "2013-03-31", "period_start": "2013-03-31", "period_end": "2013-03-31", "entity_name": "Open Building Systems Ltd", "dormant": false, "average_employees": null, "tangible_fixed_assets": "4390.00", "debtors": "33289.00", "cash_bank_in_hand": "100390.00", "current_assets": "133679.00", "creditors_due_within_one_year": "119896.00", "creditors_due_after_one_year": null, "net_current_assets_liabilities": "13783.00", "total_assets_less_current_liabilities": "18173.00", "net_assets_liabilities": "17146.00", "called_up_share_capital": "1000.00", "profit_loss_account_reserve": "16146.00", "shareholder_funds": "17146.00", "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-September2013.zip" } ], "pdf_only_filings": [ { "made_up_date": "2012-03-31", "filing_date": "2012-09-04", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2012-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MzA2MzUyNTUwOGFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2011-03-31", "filing_date": "2011-11-24", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2011-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MzA0Nzc2OTAwM2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2010-03-31", "filing_date": "2010-10-25", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2010-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MzAyNTgyNzUwN2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2009-03-31", "filing_date": "2009-09-15", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2009-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MjA0MTM0NzUzM2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2008-03-31", "filing_date": "2008-10-20", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2008-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MjAxNTg0NTQxNmFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2007-03-31", "filing_date": "2007-11-29", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2007-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MTg4ODQ1MDcxYWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "2006-03-31", "filing_date": "2006-09-14", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2006-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MTY1NjIwMDUxYWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "2005-03-31", "filing_date": "2006-01-09", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2005-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MTc1NDQ5OThhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2004-03-31", "filing_date": "2005-01-06", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2004-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/MjIwNjg2NzJhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2003-03-31", "filing_date": "2003-12-12", "form_type": "AA", "description": "accounts-with-accounts-type-total-exemption-small", "paper_filed": true, "pdf_url": "/company/04420926/accounts/2003-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history/NzM0ODU1NTdhZGlxemtjeA/document?format=pdf&download=0" } ], "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/04420926/filing-history" }, "confirmation_statement": { "next_due": "2027-03-30", "last_made_up": "2026-03-16" }, "officers": [], "psc": [ { "name": "Mr Andrew Robert Dutton", "kind": "individual-person-with-significant-control", "person_url": "/person/385432", "controlling_company_url": null, "natures_of_control": [ "ownership-of-shares-25-to-50-percent" ], "notified_on": "2016-11-22", "ceased_on": null, "nationality": "British", "country_of_residence": "United Kingdom", "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." }