SMEs and mid-sized companies calculating their carbon footprint often realise the majority is outside internal operations and in their value chain with suppliers, distributors and customers known as Scope 3. Collaboration with stakeholders is even more crucial to SME’s and mid-sized companies looking to decarbonise but often they don’t have the same leverage as big companies. So how do you go about it? And above all, where should you start? What scope do SMEs and mid-sized companies have for action?