[2] Nikolov began his career with Slavia Sofia where he spent three years.
[3] On 19 April 2018, Nikolov made his first-team debut in the league match against Etar Veliko Tarnovo.
[4] He came off the bench in the 85th minute, replacing Georgi Stoichkov in a 4–2 away loss.
[6] On 4 January 2022, Nikolov joined Admira Wacker in Austria from Würzburger Kickers, in exchange for Marco Hausjell moving in the opposite direction.
This biographical article related to association football in Bulgaria, about a forward, is a stub.