The company provide a link to a supply chain map with detailed information on territories, factories, and workforce.
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"Our product supply chains are extensive and global, with suppliers in more than 80 countries. We have three primary groups of suppliers; (1) Food, (2) Clothing & Home and (3) Goods Not for Resale. Our Goods Not for Resale are the products and services we procure to run our business – such as professional services, store equipment, design services and stationary.
We publish the M&S interactive supply chain map, disclosing our tier one supply chain across Food and Clothing & Home. The scope has been extended to include some raw materials including wool, manmade cellulosic fibres, beef, fish & seafood, dairy, tea and coffee. It is updated on a six-monthly basis."