Fenton began playing rugby at Bell Baxter High School, with whom he won the Brewin Dolphin Plate.
[3] Fenton secured a place on the Elite Development Programme and was aligned to Glasgow Warriors for the 2014–15 season.
Fenton came on as a substitute in the Glasgow Warriors v Edinburgh Rugby 'A' match at Broadwood Stadium, Cumbernauld on 18 November 2015.
[5] On 25 July 2016 it was announced that Fenton would join London Scottish as part of the performance partnership with the SRU.
[6] This was part of a loan move but he was released by London Scottish back to the Warriors so he could play in their match against Canada 'A'.