{"name":"CORNERSTONE SECURITY SYSTEMS LTD","company_number":"07012667","status":"Active","type":"Private Limited Company","incorporated":"2009-09-08","dissolved":null,"registered_office":"Building 16, Gateway 1000, Whittle Way, Arlington Business Park, Stevenage, Hertfordshire, England, SG1 2FP","postcode":"SG1 2FP","sic_codes":[{"code":43210,"description":"Electrical installation"}],"principal_activity":null,"previous_names":[],"warnings":[],"accounts":{"category":"Total Exemption Full","year_end":"31 August","last_made_up_to":"2025-08-31","next_due":"2027-05-31"},"employees":{"count":29,"accounts_date":"2025-08-31"},"financials":[{"financial_date":"2025-08-31","net_assets":596848,"cash":809986,"average_employees":29},{"financial_date":"2024-08-31","net_assets":347301,"cash":553699,"average_employees":24},{"financial_date":"2023-08-31","net_assets":245829,"cash":203624},{"financial_date":"2022-08-31","net_assets":185193,"cash":90208},{"financial_date":"2021-08-31","net_assets":161201,"cash":95307}],"officers":{"current":3,"resigned":3,"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":0,"outstanding":0},"gazette_notices":[],"insolvency_outcome":null,"ai_summary":null,"website":"http://www.cornerstonesecuritysystems.co.uk","links":{"page":"https://www.companiesintheuk.co.uk/ltd/cornerstone-security-systems","people":"https://www.companiesintheuk.co.uk/company/cornerstone-security-systems/people","filing_history":"https://www.companiesintheuk.co.uk/company/cornerstone-security-systems/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/07012667","financials":"https://www.companiesintheuk.co.uk/company/cornerstone-security-systems/financial","control":"https://www.companiesintheuk.co.uk/company/cornerstone-security-systems/control","charges":"https://www.companiesintheuk.co.uk/company/cornerstone-security-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/cornerstone-security-systems"}