The Calgary South West United Soccer Club was founded as a youth soccer club in 2003.[1] In July 2019, they were awarded a National Youth License by the Canadian Soccer Association.[2] In December 2023, it was announced that they would join League1 Alberta in both the men's and women's divisions.[3] In March 2024, they announced that they would partner with Calgary Caledonian FC to run their League1 Alberta squads, with the teams to operate under the name Callies United.[4]