He was a successful player in the Swedish top division when playing for IK Brage.

Between the seasons in Sweden (where they play spring-fall) he was on loan to Antwerpen and Vitosha Levski.

[1] After his retirement, he worked as assistant manager of Levski Sofia as well as head coach of Spartak Pleven, Olympik Teteven and Botev Vratsa.

[1] For Bulgaria, Nikolov was capped 55 times, making his debut on 22 February 1978 against Scotland.

This biographical article related to association football in Bulgaria, about a defender, is a stub.