{"name":"AON UK LIMITED","company_number":"00210725","status":"Active","type":"Private Limited Company","incorporated":"1925-12-29","dissolved":null,"registered_office":"The Aon Centre The Leadenhall Building, 122 Leadenhall Street, London, United Kingdom, EC3V 4AN","postcode":"EC3V 4AN","sic_codes":[{"code":66220,"description":"Activities of insurance agents and brokers"}],"principal_activity":null,"previous_names":[{"name":"AON RISK MANAGEMENT SERVICES UK LIMITED","changed_on":"2012-04-03"},{"name":"AON LIMITED","changed_on":"2012-03-30"},{"name":"AON GROUP LIMITED","changed_on":"2000-12-29"},{"name":"ALEXANDER HOWDEN GROUP LIMITED","changed_on":"1997-07-01"},{"name":"ALEXANDER HOWDEN INSURANCE BROKERS LIMITED","changed_on":"1985-01-01"},{"name":"ALEXANDER HOWDEN & SWANN LIMITED","changed_on":"1976-12-31"},{"name":"ALEXR HOWDEN & CO LIMITED","changed_on":"1968-10-01"}],"warnings":[],"accounts":{"category":"Full","year_end":"31 December","last_made_up_to":"2025-12-31","next_due":"2027-09-30"},"employees":null,"financials":[],"officers":{"current":18,"resigned":41,"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":6,"outstanding":2},"gazette_notices":[],"insolvency_outcome":null,"ai_summary":null,"website":"http://aon.com","links":{"page":"https://www.companiesintheuk.co.uk/ltd/aon-uk","people":"https://www.companiesintheuk.co.uk/company/aon-uk/people","filing_history":"https://www.companiesintheuk.co.uk/company/aon-uk/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/00210725","control":"https://www.companiesintheuk.co.uk/company/aon-uk/control","pay_gap":"https://www.companiesintheuk.co.uk/company/aon-uk/pay-gap"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/aon-uk"}