In 2004, Soulet competed in both the Mini Cooper Challenge Belgium and the Belgian Formula Renault 1.6 series, winning championship titles in both.

[3] Soulet's best overall season with the marque occurred in 2017, when he and co-drivers Vincent Abril and Andy Soucek came within seven points of winning the GT World Challenge Europe Endurance Cup.

For 2018, Soulet signed with K-Pax Racing alongside fellow factory driver Soucek.

[6] After Bentley's factory GT3 program wound down at the end of 2020, Soulet joined Selleslagh Racing Team for the final three rounds of the 2021 GT4 European Series.

[7] Soulet returned to the wheel of a Bentley Continental GT3 in 2022, joining customer team CMR's entry into the 2022 24 Hours of Spa.