Transforming your grease and meat by-products into valued feed and fuel ingredients. 

The sustainable service professionals for Canadian restaurant and supermarket used cooking oil recycling and fat & bone collection.

Serving restaurants and supermarket customers in Canada and the U.S.

Rothsay is proud to be Canada’s leading service provider for efficient grease and used cooking oil recycling, and sanitary fat and bone pickup. Our sister brand, DAR PRO Solutions, provides these services in the U.S., making us the perfect partner for national and regional food service chains, as well as our many local and independent operators.  

Rothsay’s sustainable ingredient products

Rothsay goes beyond used cooking oil collection and fat and bone removal. All the material collected is processed at our facilities and used to produce Rothsay Biodiesel or natural, sustainable and high-energy ingredients used in animal feeds, pet food and more.