{"name":"ADDVENT AIR SYSTEMS LIMITED","company_number":"02043424","status":"Active","type":"Private Limited Company","incorporated":"1986-08-05","dissolved":null,"registered_office":"5 Kelvin Park, Dock Road, Birkenhead, Merseyside, CH41 1LT","postcode":"CH41 1LT","sic_codes":[{"code":28250,"description":"Manufacture of non-domestic cooling and ventilation equipment"}],"principal_activity":"The principal activity of the company is that of ventilating, air conditioning engineering and duct work manufacture","previous_names":[],"warnings":[],"accounts":{"category":"Total Exemption Full","year_end":"31 March","last_made_up_to":"2026-03-31","next_due":"2027-12-31"},"employees":{"count":16,"accounts_date":"2026-03-31"},"financials":[{"financial_date":"2026-03-31","net_assets":129950,"cash":91111,"average_employees":16},{"financial_date":"2025-03-31","net_assets":37783,"cash":46417,"average_employees":14},{"financial_date":"2024-03-31","net_assets":27153,"cash":23142},{"financial_date":"2023-03-31","net_assets":43645,"cash":17637},{"financial_date":"2022-03-31","net_assets":118888,"cash":142601}],"officers":{"current":5,"resigned":6,"complete":true,"note":"Names and details of individual officers are on the People page (subscriber-only on this site) and free at Companies House."},"charges":{"total":2,"outstanding":2},"gazette_notices":[],"insolvency_outcome":null,"ai_summary":null,"website":"http://addvent.net","links":{"page":"https://www.companiesintheuk.co.uk/ltd/addvent-air-systems","people":"https://www.companiesintheuk.co.uk/company/addvent-air-systems/people","filing_history":"https://www.companiesintheuk.co.uk/company/addvent-air-systems/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/02043424","financials":"https://www.companiesintheuk.co.uk/company/addvent-air-systems/financial","control":"https://www.companiesintheuk.co.uk/company/addvent-air-systems/control","charges":"https://www.companiesintheuk.co.uk/company/addvent-air-systems/charges"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/addvent-air-systems"}