{"name":"C21 IOT LIMITED","company_number":"09618675","status":"Active","type":"Private Limited Company","incorporated":"2015-06-02","dissolved":null,"registered_office":"85 Saltergate, Chesterfield, England, S40 1JS","postcode":"S40 1JS","sic_codes":[{"code":70229,"description":"Management consultancy activities other than financial management"}],"principal_activity":"The principal activity of the company during the year under review was the design and development of electronic circuit boards and associated firmware and software.","previous_names":[{"name":"S40 DESIGN LIMITED","changed_on":"2016-01-11"}],"warnings":[],"accounts":{"category":"Micro","year_end":"30 June","last_made_up_to":"2025-06-30","next_due":"2027-03-31"},"employees":{"count":2,"accounts_date":"2025-06-30"},"financials":[{"financial_date":"2025-06-30","net_assets":45076,"average_employees":2},{"financial_date":"2024-06-30","net_assets":50864,"average_employees":2},{"financial_date":"2023-06-30","net_assets":53558},{"financial_date":"2022-06-30","net_assets":39345},{"financial_date":"2021-06-30","net_assets":22295}],"officers":{"current":1,"resigned":1,"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":[],"insolvency_outcome":null,"ai_summary":null,"website":"http://www.c21iot.com","links":{"page":"https://www.companiesintheuk.co.uk/ltd/c21-iot","people":"https://www.companiesintheuk.co.uk/company/c21-iot/people","filing_history":"https://www.companiesintheuk.co.uk/company/c21-iot/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/09618675","financials":"https://www.companiesintheuk.co.uk/company/c21-iot/financial","control":"https://www.companiesintheuk.co.uk/company/c21-iot/control"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/c21-iot"}