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A Chocolatey Fusion of Caramel and Nougat

Black and white photo of young man working in a Mars factory


The original MARS bars were made by hand, marking the start of the very first chapter of the iconic candy bars.

Old fashioned Mars logo

The Mars Bar was originally produced in Slough, England in 1932. Almost 90 years later, the same factory continues to produce Mars bars for the UK. We can make nearly three million bars a day.

Black and white old advertisement of Mars


Despite sweets rationing and a gold ink shortage during World War II, MARS bars were successfully distributed to troops in the UK and prisoners of war in Germany from 1939 to 1945.

Image Newmarket Plant   Mars Site


Mars opens a new Canada facility in Newmarket, Ontario. Mars Bars begin production a year later. All Canadian Mars Bars continue to be produced in our Newmarket factory to this day.

Cross section of Mars chocolate bar in front of celestial background


We’re committed to growing with sustainability in mind. This is why, for the past decade, we’ve collaborated with a number of partners to tackle the environmental and social challenges facing the cocoa sector. To learn more, we invite you to read about how we're reshaping the future of cocoa, in our work Cocoa for Generations.

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And Beyond

Mars bars sold in Canada will be certified as carbon neutral by 2023. That’s over 40 million bars sold in Canada every single year that will be carbon neutral. For further information on Mars, Incorporated’s climate commitments and Sustainable in a Generation Plan.

Haven’t Found What You’re Looking For?

From our ingredients to where you can find us, we love to answer your questions about MARS.