Jannich Storch began his youth career at his hometown club of Helsinge Fodbold, where he was later picked up by Superliga team F.C.
[2] In the summer of 2009, Storch attracted the attention of Blackburn Rovers during a Danish under-16 match in Portugal, with whom he would go on trial.
[3][4] Storch was included in the first team squad for FCN's 2011-12 Superliga season, as third choice goalkeeper behind Jesper Hansen and David Jensen.
2 October 2011, Storch made his league debut, coming on as a half time substitute in a 1-0 win over SønderjyskE.
[8] In May 2018, Storch founded the company JS Keepers, which offered goalkeeping training to both clubs and individuals.