Glasgow University spent £39,225 installing 11 biometric kiosks at its Gilmorehill and Garscube campuses to keep tabs on university cleaners.
Not a single UK firm has been prosecuted for paying poverty wages since February 2013.
The Ferret can reveal close links between the SNP and controversial private firms who are likely to bid for contracts.
Amazon received almost £1m in Scottish Government grants in 2015 while its agency staff are being bussed from Glasgow to Fife to work 60 hour weeks.
INEOS plants at Grangemouth have been criticised by government watchdogs for failings on health, safety and the environment.