HB Køge Nicklaw signed a two-year contract with the professional Danish football club beginning July 1, 2012.
HB Køge played in the Danish Superliga, the highest division in Denmark, during the 2011–2012 season.
Wilmington Hammerheads In 2013 Nicklaw transferred back to the United States where he played for the
Wilmington Hammerheads in the
USL Pro.
Þór Akureyri Nicklaw signed with Icelandic Premier League club
Thór in April 2014. Shawn's National team experience and ability to play multiple positions gives
Thór options.
Jacksonville Armada FC Nicklaw signed for
Jacksonville Armada in December 2014, prior to their inaugural season. In two seasons with the Armada FC, Nicklaw played in 29 league matches as a fullback, including 21 starts, and notched 10 shots in 1,937 minutes of action. A member of the Guam national team, he also started in two of Jacksonville's U.S. Open Cup matches – Richmond Kickers (May 29, 2015) and Charleston Battery (June 1, 2016). Nicklaw scored the first goal in Community First Park history in the Armada FC's 1–0 preseason win over the Fort Lauderdale Strikers on Feb. 28, 2015.
FC Edmonton On 6 July 2016, Nicklaw was traded to
FC Edmonton in return for
Jason Plumhoff. During his debut for the Eddies, Shawn won four duels, made three clearances, and had two interceptions as FC Edmonton kept a shutout in a 1–0 win over the Fort Lauderdale Strikers earning him a spot on NASL's team of the week (Week 2 of the NASL Fall Season 2016). ==International==