# Sigma Security (Sigma Security Ltd) Private limited company registered in Stanmore, classed under “Private security activities”. - Company number: 09912728 - Status: Active - Type: Private limited company - Incorporated: 11 December 2015 - Registered office: 11 Ventnor Avenue, Stanmore, Middlesex, HA7 2HX - Location: Stanmore, Middlesex - Activity: Private security activities ## Latest filed profit No profit figure in its latest filed accounts. Turnover, net assets, cash, staff, earlier years, ratios, directors and owners are on the page for subscribers. ## Questions people ask ### What does Sigma Security do? Private limited company registered in Stanmore, classed under “Private security activities”. ### How much turnover does Sigma Security make? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sigma-security-09912728 ### Is Sigma Security profitable? Sigma Security's profit isn't public: small companies may file without a profit and loss account. ### How many people work at Sigma Security? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sigma-security-09912728 ### Who runs and owns Sigma Security? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sigma-security-09912728 ### Where is Sigma Security based? Its registered office is 11 Ventnor Avenue, Stanmore, Middlesex, HA7 2HX, in Stanmore, Middlesex. ### When was Sigma Security founded? Sigma Security Ltd was incorporated on 11 December 2015. ### Is Sigma Security still trading? The register lists Sigma Security Ltd as active. ## Timeline Recent filings and changes at Companies House. - 2026-01-23: Micro company accounts made up to 31 December 2025 - 2025-05-14: Micro company accounts made up to 31 December 2024 - 2025-02-19: Registered office address changed from 298B Neasden Lane London NW10 0EP United Kingdom to 11 Ventnor Avenue Stanmore Middlesex HA7 2HX on 19 February 2025 - 2024-03-22: Micro company accounts made up to 31 December 2023 - 2023-03-22: Micro company accounts made up to 31 December 2022 - 2022-02-24: Micro company accounts made up to 31 December 2021 - 2021-04-15: Micro company accounts made up to 31 December 2020 - 2020-08-14: Micro company accounts made up to 31 December 2019 - 2019-06-07: Micro company accounts made up to 31 December 2018 - 2018-05-09: Micro company accounts made up to 31 December 2017 - 2017-02-25: Micro company accounts made up to 31 December 2016 - 2015-12-11: Incorporation --- Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/sigma-security-09912728