1897 - Incorporated as The Marconi Company Limited. 1990 - became GEC-Marconi Limited. 1998 - became Marconi Electronic System Limited. 2000 - became BAE Systems Electronics Limited
1897 - Incorporated as The Marconi Company Limited. 1990 - became GEC-Marconi Limited. 1998 - became Marconi Electronic System Limited. 2000 - became BAE Systems Electronics Limited