Ferguson turned professional in August 2016. In November 2017, Ferguson made the final stage of the
European Tour Qualifying School and finished in 76th place. He then competed full-time on the
Challenge Tour in 2018 and 2019, with a best finish of runner-up at the
Euram Bank Open in 2019 and finished 25th in the 2019 Challenge Tour Rankings. In 2019 he had a best finish on the
European Tour; third place in the
Belgian Knockout. Returning to the Challenge Tour in 2021 he was a runner-up three times and had three other top-10 finishes, he finished 8th in the Road to Mallorca Challenge Tour rankings, securing his full
European Tour card for the first time. In March 2022, in only his 37th start, Ferguson claimed his first European Tour victory at the
Commercial Bank Qatar Masters. Ferguson won his second European Tour event in August 2022 at the
ISPS Handa World Invitational. He shot an opening-round 61 to eventually win wire-to-wire. A month later, he finished second at the
Made in HimmerLand in Denmark; one shot behind
Oliver Wilson. In July 2024, Ferguson won his third European Tour event at the
BMW International Open. ==Amateur wins==