The Guardian has called Serco 'probably the biggest company you've never heard of'2. It has grown in recent years thanks to the ongoing privatisation of public services and outsourcing of government services in the UK.
Serco operates in various sectors:
Transport: Serco manages the Docklands Light Railway3 in London and Great Southern Railways in Australia.4 Serco also has a joint venture with NedRailways, the UK arm of Dutch national rail operator Nederlandse Spoorwegen, to operate passenger trains in the UK: Serco-NedRailways has a 25 year concession for Merseyrail in Liverpool and operates Northern Rail services in the north of England.5 Serco will operate the future Dubai Metro.6 Serco formerly operated the Copenhagen Metro with Ansaldo STS, until selling its share with effect from January 1 2008.7 In addition, Serco Rail Operations operates infrastructure monitoring trains in the UK8. Serco also operates speed camera systems throughout the UK and designs, writes & tests the software that controls the Matrix Message Signs, Signals, emergency roadside telephones (SOS) and traffic monitoring on England's motorway network including the National Traffic Control Centre.9
Detention: Serco supplies electronic tagging devices for offenders and asylum seekers.11 In Britain, Serco runs four prisons, a Young Offenders Institution and a Secure Training Centre.12 It also operates two Immigration Removal Centres.1314 Serco is also responsible for transporting and detaining prisoners at several Law Courts across the country.15 In addition, Serco runs Hunfeld Prison in Germany.16 In Australia Serco runs Acacia Prison in Western Australia.17
Aviation: Serco provides air traffic control services at international airports in Dubai, Bahrain and at some smaller airports in the USA.23 Since 2004 Serco have also had £5m a year from the US government to manage airports in Iraq.24
Education: Serco holds a 10 year contract with Bradford City Council to manage and operate the local education authority,28 providing education support services to the City's schools, and similarly manages and operates Walsall29 and Stoke-on-Trent local education authorities.30 Serco is also the provider of a Student information system, Facility, used in schools and colleges in several countries.31
Driver's licensing: Serco, through a purpose-made division Serco DES, holds a 10 year, $114 million contract with the Province of Ontario to operate the province's DriveTest driver examination centres. These tests include vision, road, and knowledge tests for all persons seeking to become a licensed automobile driver in the province. 32