The study, by Verso Economics, shows that Scotch producers spend £1.1 billion a year on supplies produced in Scotland, including £200 million on cereals, helping to support 35,000 jobs in addition to 10,300 in the industry itself.
Scotch whisky employees add 12 times more value to the economy per head than those in tourism, and it supports twice the number of jobs as aerospace and defence.
SWA chief executive Gavin Hewitt said: “Scotch whisky’s importance to Scotland is clear. The study confirms Scotch whisky is a cornerstone of the Scottish economy, supporting 35,000 jobs and generating almost £4 billion in added value.
“The new UK government wants to support manufacturing and exporters and build a fairer tax system.
“It could combine all three objectives by reforming an unfair duty regime which undermines the competitiveness of Scotch whisky.”