Trevor graduated from the University of Alberta in 1990 and earned his C.A. designation in 1994, following in the footsteps of his father, Harold Davis. He began his career at a local firm in Grande Prairie. In 2000, Trevor purchased his father's practice and then joined forces with Kevin Willsey to form Willsey Davis & Co. LLP in September of 2004.

Trevor has called the Grande Prairie area home for most of his life. He now raises his family in Grande Prairie, and is a dedicated volunteer contributing his skills and time in many capacities.