Stagecoach Strathtay
 Stagecoach Strathtay is a Scottish bus operating company which covers the Dundee and Angus areas and parts of Grampian. It is a subsidiary of the Stagecoach Group which bought Strathtay Scottish Omnibuses Ltd from Traction Group in 2005. Strathtay Scottish was formed in 1985 as a subsidiary of the Scottish Transport Group from parts of Walter Alexander & Sons (Midland) Ltd and Walter Alexander & Sons (Northern) Ltd.