# 3L Security (3L Security Ltd) Private limited company registered in Dover, classed under “Private security activities”. - Company number: 10283477 - Status: Active - Type: Private limited company - Incorporated: 18 July 2016 - Registered office: 29 Waterloo Mansions, Waterloo Crescent, Dover, Kent, CT17 9BT - Location: Dover, Kent - 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 3L Security do? Private limited company registered in Dover, classed under “Private security activities”. ### How much turnover does 3L Security make? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/3l-security-10283477 ### Is 3L Security profitable? 3L Security's profit isn't public: small companies may file without a profit and loss account. ### How many people work at 3L Security? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/3l-security-10283477 ### Who runs and owns 3L Security? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/3l-security-10283477 ### Where is 3L Security based? Its registered office is 29 Waterloo Mansions, Waterloo Crescent, Dover, Kent, CT17 9BT, in Dover, Kent. ### When was 3L Security founded? 3L Security Ltd was incorporated on 18 July 2016. ### Is 3L Security still trading? The register lists 3L Security Ltd as active. ## Timeline Recent filings and changes at Companies House. - 2026-09-14: Micro company accounts made up to 31 July 2026 - 2026-03-30: Micro company accounts made up to 31 July 2025 - 2026-03-02: Director's details changed for Mr Laurentiu-Nicolae Cosma on 1 June 2025 - 2025-04-22: Micro company accounts made up to 31 July 2024 - 2024-09-01: Registered office address changed from 29 29 Waterloo Mansions Waterloo Crescent Dover CT17 9BT United Kingdom to 29 Waterloo Mansions Waterloo Crescent Dover Kent CT17 9BT on 1… - 2024-05-01: Micro company accounts made up to 31 July 2023 - 2023-09-12: Registered office address changed from 1-3 Waterloo Crescent Dover CT16 1LA England to 29 29 Waterloo Mansions Waterloo Crescent Dover CT17 9BT on 12 September 2023 - 2023-05-19: Micro company accounts made up to 31 July 2022 - 2022-03-17: Micro company accounts made up to 31 July 2021 - 2020-12-18: Micro company accounts made up to 31 July 2020 - 2020-02-17: Registered office address changed from 33 Bankfoot Badgers Dene Grays Essex RM17 5HY United Kingdom to 1-3 Waterloo Crescent Dover CT16 1LA on 17 February 2020 - 2020-02-17: Director's details changed for Mr Laurentiu-Nicolae Cosma on 1 February 2020 - 2019-11-19: Micro company accounts made up to 31 July 2019 - 2019-01-30: Micro company accounts made up to 31 July 2018 - 2017-11-28: Micro company accounts made up to 31 July 2017 - 2016-07-18: Incorporation --- Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/3l-security-10283477