Major Businesses

If you’re interested in finding out who the major players are in the Swansea Bay region, then the following tables will show you biggest employers and the companies which have the biggest turnover.  They include a mix of international names and home grown businesses.  Some have been in operation for a long time and some are more recent success stories, but they all play a part in a vibrant and diverse employment environment.

If you’re looking for work in Swansea Bay, then we provide some guidance on where to look on our Finding a Job page

Major Employers



Biggest companies by turnover (£s)

In December each year the Western Mail publishes its Top 300 Businesses in Wales.

To compile the Western Mail Top 300, The University of Glamorgan in association with Deloitte, carry out research and measure Welsh companies by their annual turnover.

Representing the retail sector, media, transportation, finance & insurance, pharmaceuticals, engineering & construction and general manufacturing industries, the top performing Swansea Bay companies listed are: