Williams began his career at St Mirren, being first included in a matchday squad for their 0–4 home defeat to Celtic on 5 January 2014.
[1] He was an unused substitute in this match, and ten more over the remainder of the season and the following campaign, never making a senior appearance.
[2] Nine days later he made his debut, playing the full 90 minutes as they won 1–0 at Highland League team Brora Rangers in the first round of the Scottish Challenge Cup.
[4] In February 2016, he moved on loan to Arbroath in Scottish League Two; on 12 March he scored his first career goal to conclude a 3–0 win over East Stirlingshire at Gayfield Park.
[5] However, after his loan spell ended and Alloa's relegation from the Scottish Championship, Williams was released by the club.