{"name":"COSTAIN GROUP PLC","company_number":"01393773","status":"Active","type":"Public Limited Company","incorporated":"1978-10-12","dissolved":null,"registered_office":"Seventh Floor, 70 St Mary Axe, London, United Kingdom, EC3A 8BE","postcode":"EC3A 8BE","sic_codes":[{"code":42110,"description":"Construction of roads and motorways"},{"code":70100,"description":"Activities of head offices"},{"code":71129,"description":"Other engineering activities"}],"principal_activity":null,"previous_names":[{"name":"TRUSHELFCO (NO. 192) LIMITED","changed_on":"1978-12-31"}],"warnings":[],"accounts":{"category":"Group","year_end":"31 December","last_made_up_to":"2025-12-31","next_due":"2027-06-30"},"employees":null,"financials":[],"officers":{"current":14,"resigned":33,"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":2,"outstanding":0},"gazette_notices":[{"date":"2026-11-03","kind":"other"},{"date":"2026-09-15","kind":"other"}],"insolvency_outcome":null,"ai_summary":null,"website":"http://costain.com","links":{"page":"https://www.companiesintheuk.co.uk/ltd/costain-group","people":"https://www.companiesintheuk.co.uk/company/costain-group/people","filing_history":"https://www.companiesintheuk.co.uk/company/costain-group/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/01393773","gazette":"https://www.companiesintheuk.co.uk/company/costain-group/gazette","pay_gap":"https://www.companiesintheuk.co.uk/company/costain-group/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/costain-group"}