{"name":"DIPLOMA PLC","company_number":"03899848","status":"Active","type":"Public Limited Company","incorporated":"1999-12-24","dissolved":null,"registered_office":"10-11 Charterhouse Square, London, England, EC1M 6EE","postcode":"EC1M 6EE","sic_codes":[{"code":70100,"description":"Activities of head offices"}],"principal_activity":null,"previous_names":[{"name":"NEW DIPLOMA PLC","changed_on":"2000-04-17"},{"name":"MERGESECTOR PUBLIC LIMITED COMPANY","changed_on":"2000-02-22"}],"warnings":[],"accounts":{"category":"Group","year_end":"30 September","last_made_up_to":"2025-09-30","next_due":"2027-03-31"},"employees":null,"financials":[],"officers":{"current":12,"resigned":25,"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":[{"date":"2026-07-28","kind":"other"}],"insolvency_outcome":null,"ai_summary":null,"website":"https://www.diplomaplc.com/","links":{"page":"https://www.companiesintheuk.co.uk/ltd/diploma","people":"https://www.companiesintheuk.co.uk/company/diploma/people","filing_history":"https://www.companiesintheuk.co.uk/company/diploma/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/03899848","gazette":"https://www.companiesintheuk.co.uk/company/diploma/gazette"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/diploma"}