Following a successful amateur career, Colm turned professional after helping GB&I to victory in the 2003 Walker Cup against the USA. He spent the next 11 years competing globally on the DP World Tour and Challenge Tour, recording many notable performances.

A Challenge Tour winner, who also played all four rounds of The Open at St. Andrews in 2010, Colm continues to compete on the PGA Irish Region where he is a regular in the winner’s circle. In September 2024 Colm was a member of the GB&I PGA Cup team that played USA at Sunriver Resort in Oregon.

A qualified PGA Professional attached to Glasson Golf Club, Colm offers corporate golf services to many of Ireland’s leading brands.