Career
Football Club Luzern
Nico began his career at Football Club Luzern and headed off to play one season at local team South Carolina Kriens. He made his debut in the Swiss Super League during the 2008-2009 season. Football Club Aarau
In February 2012 Nico signed with Football Club Aarau of the Swiss Challenge League until the end of the 2011-2012 season.
On 11 February 2012, in his final game before heading to Aarau, Siegrist scored the equaliser for Luzern in a 1-1 draw away at Football Club Thun in the Arena Thun just 33 seconds after coming off the substitutes bench.
Nico scored on his debut for Aarau on 19 February 2012, scoring after 15 minutes in a 3-2 defeat to Football Club Vaduz at the Rheinpark Stadion.