Scott started his MMA career in 2007 training to become fit and in shape to be a part of the Royal Marines. However, Scott began taking the sport more seriously, even taking a semi-professional fight in his first year of training. Scott lost his only semi-pro fight via submission. Nearly a year and a half later, Scott made his professional debut against Tom Thorneycroft. Scott won the fight via first round knockout.
In September 2009 Scott won his second pro fight against Steve Obe, again via knockout. One month later Scott had his first professional loss against Eugene Fadiora, after Scott submitted via strikes. Scott went on a 6-0 run after his first loss, winning all six fights via stoppage (3 submissions, 3 knockouts).
In late 2012, Scott signed to be a competitor on The Ultimate Fighter: The Smashes - a regional version of the Ultimate Fighter series, which pitted Australian fighters against British fighters. In his first fight on the show, Scott fought Australian, Xavier Lucas. After a close fight, Scott defeated Lucas via unanimous decision.
For the semi-final rounds Scott was then matched against Australian, Benny Alloway. After three grueling rounds Scott won the fight via split decision. The fight was also awarded "Fight of the Season" by the UFC fans, and both fighters were awarded a $25,000 paycheck.
The win over Alloway moved Scott into the final round of the competition that took place live on UFC on FX: Sotiropoulos vs. Pearson. He faced Robert Whittaker and lost via unanimous decision.
Scott made his promotional debut on 15 December 2012 at UFC on FX 6 which was also known as "The Ultimate Fighter: The Smashes Finale". He would fight Robert Whittaker to determine the welterweight winner of The Ultimate Fighter: The Smashes. Scott lost the fight via unanimous decision.
Scott returned to the middleweight division on 26 October 2013 against Michael Kuiper at UFC Fight Night 30. He won the fight via front choke submission in the first round.
Scott faced promotional newcomer Cláudio Silva at UFC Fight Night 37. He lost the back-and-forth fight via unanimous decision.
Scott faced Dylan Andrews on 10 May 2015 at UFC Fight Night 65. Scott won the fight via submission in the second round.
Scott faced Krzysztof Jotko on 27 February 2016 at UFC Fight Night 84. He lost the fight by unanimous decision.
Scott faced Scott Askham on 18 March 2017 at UFC Fight Night 107. He won the fight by split decision.
Scott faced Jack Hermansson on 5 August 2017 at UFC Fight Night 114.. He lost the fight via TKO in the first round.Ultimate Fighting Championship
The Ultimate Fighter: The Smashes Welterweight Tournament Runner-Up
The Ultimate Fighter: The Smashes Fight of the Season (vs. Benny Alloway)