BAE Systems is a modern conglomeration of the aircraft, ship building and military manufacturing of the UK’s past. BAE is the world’s largest military contractor and came into being as BAE in November 1999 through the merger of Marconi Electronic Systems, General Electric Company and British Aerospace. In its past are famous companies such as AV Roe, de Havilland and Supermarine. It no longer has shares in Airbus.

IT Leader: Dean McCumiskey, CIO

IT estate and or number of log on accounts under the control of the IT leader: Approximately 100,000 globally, 38,400 users in the UK

Significant strategic technology deals been struck in the last 12 months: New projects have been launched with facial recognition technology, ‘robotic insects’ that can be used as reconnaissance teams, vehicle diagnostics, wind farms that do not interfere with radar, unmanned aircraft and helmet mounted displays.

BAE Systems signed a five year IT services renewal deal with US outsourcer CSC, worth up to $800 million (£514 million) in November 2011. The renewal extends a 17-year existing agreement due to expire in April, and covers a large range of IT management services for the company, one of the UK's largest defence suppliers.

The Military Air and Information (MAI) division signed a contract with business application software provider Infor to support its business transformation programme.