Serco Group plc is a British outsourcing company based in Hook, Hampshire. It operates public and private transport and traffic control, aviation, military weapons, detention centres, call centres, prisons and schools on behalf of its customers. Serco has been involved in a variety of controversies having a history of problems, failures, fatal errors and overcharging.
It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. Serco operates in Continental Europe, the Middle East, the Asia Pacific region and North America, but the majority of its turnover comes from the UK.