 After coming up through the junior ranks of Grindavík, Jón Axel played his first senior match with the club in 2011.He won the Icelandic championship with the club in 2012 and 2013 and the Icelandic Basketball Cup in 2014.Jón Axel started the 2014–2015 season with Church Farm School, averaging a team best 21 points per game before the christmas break.