{"name":"THIRTYFIVEBIO LIMITED","company_number":"13157735","status":"Active","type":"Private Limited Company","incorporated":"2021-01-26","dissolved":null,"registered_office":"99 Park Drive, Milton, Abingdon, England, OX14 4RY","postcode":"OX14 4RY","sic_codes":[{"code":72110,"description":"Research and experimental development on biotechnology"}],"principal_activity":"Biotechnology company","previous_names":[],"warnings":[],"accounts":{"category":"Total Exemption Full","year_end":"31 December","last_made_up_to":"2025-12-31","next_due":"2027-09-30"},"employees":{"count":5,"accounts_date":"2025-12-31"},"financials":[{"financial_date":"2025-12-31","net_assets":-2299214,"cash":394250,"average_employees":5},{"financial_date":"2024-12-31","net_assets":-11669,"cash":353078,"average_employees":8},{"financial_date":"2023-12-31","net_assets":2399839,"cash":1956838},{"financial_date":"2022-12-31","net_assets":7952857,"cash":7049160},{"financial_date":"2021-12-31","net_assets":2920199,"cash":2282848}],"officers":{"current":5,"resigned":3,"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":null,"outstanding":null},"gazette_notices":[],"insolvency_outcome":null,"ai_summary":null,"website":"http://thirtyfivebio.com","links":{"page":"https://www.companiesintheuk.co.uk/ltd/thirtyfivebio","people":"https://www.companiesintheuk.co.uk/company/thirtyfivebio/people","filing_history":"https://www.companiesintheuk.co.uk/company/thirtyfivebio/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/13157735","financials":"https://www.companiesintheuk.co.uk/company/thirtyfivebio/financial"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/thirtyfivebio"}