 With them he managed to play only one season in 2nd division (2002) when he was 16 years old.He then moved to Þór Akureyri and was with them for 3 seasons in 1st division before moving with this coach from Þór to Keflavík who played in the Icelandic Premier league.With Keflavík, Hallgrímur made a name for himself and was used as a left back, central defender, central midfielder and as a right winger.