The Mars Group originated in or about 1932 when Forrest Mars came to this country from the United States and set up a small business, Mars Confections, on the Slough Trading Estate, manufacturing Mars Bars.
In 1932 they launched the Mars bar.
In 1934 Mars Confections acquired the whole of the share capital of Chappel Brothers, a small company in Manchester
1935. Launched Milky Way.
1951. Launched Bounty.
1958. Launched Galaxy.
1960. Launched Opal Fruits under the original name of Starburst.
In 1975 there were seven operating divisions of the company: Pedigree Petfoods, Confectionery, Dornay Foods, Four Square Catering and Vending, Mars Money Systems, Thomas's and Mars Group Services.
Sources of Information
-  Competition Commission