South Wales Transport commenced operating on 2 May 1914 in Swansea.

It operated bus services that connected with the Swansea Improvements and Tramway Company.

In May 1987, during the privatisation of the National Bus Company, South Wales Transport was sold to a management buy out.

[4] It was included in the 16 June 1995 merger of Badgerline with GRT Group to form FirstBus and became part of First Cymru in April 1998.

[2][5][6] The South Wales Transport name has been revived by a bus operator in Neath.