Career
He is a central midfielder. He started his career at F.C. Copenhagen and was in the autumn 2006 on loan at Norwegian Ham-Kam, and in the spring 2008 at Viborg FF. In 2008 he moved to SønderjyskE and played 52 matches. And in 2010 he moved to Lyngby BK and in 2012 he moved to Sandnes Ulf on a 2-year contract.
In January 2013 he moved to Football Club Vestsjælland on a 1 1⁄2-year contract.
In August 2015 he returned to Football Club Vestsjælland, on a 5 month contract. Between his stay at Football Club Vestsjælland he played for Football Club Roskilde and Vendsyssel FF.
After Football Club Vestsjælland went bankrupt, Bertolt was on free to transfer, and he then signed with the Danish 1st Division-club Football Club Helsingør on 26 January 2016.