He signed his first professional contract for Standard Liège in April 2013. On 19 May 2013, he made his debut in the Belgian Pro League against K.S.C. Lokeren. He started the game and played the first half. He's a youth exponent from the club. On 3 January 2015, it was announced that PSV Eindhoven had loaned Marquet, with the possibility to sign him permanently included. However, PSV decided against this option, with the result Marquet returned to Standard Liège at the end of the season.