# Pi 400 (Pi 400 Limited) Private limited company registered in Thames Ditton, classed under “Other letting and operating of own or leased real estate”. - Company number: 05508691 - Status: Active - Type: Private limited company - Incorporated: 14 July 2005 - Registered office: Renton, Weston Green Road, Thames Ditton, KT7 0HY - Location: Thames Ditton - Activity: Other letting and operating of own or leased real estate ## Latest filed profit No profit figure in its latest filed accounts. Turnover, net assets, cash, staff, earlier years, ratios and owners are on the page for subscribers. ## Questions people ask ### What does Pi 400 do? Private limited company registered in Thames Ditton, classed under “Other letting and operating of own or leased real estate”. ### How much turnover does Pi 400 make? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/pi-400-05508691 ### Is Pi 400 profitable? Pi 400's profit isn't public: small companies may file without a profit and loss account. ### How many people work at Pi 400? Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/pi-400-05508691 ### Who runs and owns Pi 400? Its directors are Katharine Iona Frost, Matthew Adrian Frost. Its owners are shown to subscribers. ### Where is Pi 400 based? Its registered office is Renton, Weston Green Road, Thames Ditton, KT7 0HY, in Thames Ditton. ### When was Pi 400 founded? Pi 400 Limited was incorporated on 14 July 2005. ### Is Pi 400 still trading? The register lists Pi 400 Limited as active. ## Timeline Recent filings and changes at Companies House. - 2026-06-18: Registered office address changed from Picton House Lower Church Street Chepstow NP16 5HJ Wales to Renton Weston Green Road Thames Ditton KT7 0HY on 18 June 2026 - 2026-06-17: Change of details for Mrs Katharine Iona Frost as a person with significant control on 17 June 2026 - 2026-06-17: Change of details for Mr Matthew Adrian Frost as a person with significant control on 17 June 2026 - 2025-12-11: Total exemption full accounts made up to 30 June 2025 - 2024-11-27: Total exemption full accounts made up to 30 June 2024 - 2024-03-08: Total exemption full accounts made up to 30 June 2023 - 2023-03-31: Total exemption full accounts made up to 30 June 2022 - 2022-03-31: Total exemption full accounts made up to 30 June 2021 - 2021-03-22: Total exemption full accounts made up to 30 June 2020 - 2020-03-31: Total exemption full accounts made up to 30 June 2019 - 2019-03-31: Total exemption full accounts made up to 30 June 2018 - 2018-12-10: Registered office address changed from 4 Endsleigh Street London WC1H 0DS England to Picton House Lower Church Street Chepstow NP16 5HJ on 10 December 2018 - 2018-03-28: Total exemption full accounts made up to 30 June 2017 - 2017-08-21: Notification of Matthew Frost as a person with significant control on 6 April 2016 - 2017-03-24: Total exemption small company accounts made up to 30 June 2016 - 2017-03-08: Registered office address changed from Upperton Farm House 2 Enys Road Eastbourne East Sussex BN21 2DE to 4 Endsleigh Street London WC1H 0DS on 8 March 2017 - 2016-03-31: Total exemption small company accounts made up to 30 June 2015 - 2015-03-20: Total exemption small company accounts made up to 30 June 2014 - 2014-03-04: Total exemption small company accounts made up to 30 June 2013 - 2014-02-04: Termination of appointment of Portland Financial Management (Uk) Limited as a secretary - 2013-03-27: Total exemption small company accounts made up to 30 June 2012 - 2012-03-08: Total exemption small company accounts made up to 30 June 2011 - 2011-04-06: Total exemption small company accounts made up to 30 June 2010 - 2011-02-11: Secretary's details changed (and 1 more like it since 28 July 2010) - 2011-02-03: Registered office address changed from 53 Kingsway Place, Sans Walk Clerkenwell London EC1R 0LU on 3 February 2011 --- Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/pi-400-05508691