Winton has a National Australia Bank. There is an 'in-store' Westpac Bank at the Waltzing Matilda Centre, and Australia Post is the agent in Winton for the Commonwealth Bank. Australia Post also offers Bill Pay services.
Most stores offer EFTPOS facilities and ATMs can be found at Midtown Supermarket, Four Square Store and the North Gregory Hotel.
The Government Agent offers Suncorp Insurance services.