 During his playing career he also played with Scunthorpe United, Boston United, Stevenage Borough, Halifax Town, Kettering Town, Bangor City, Rhyl and Cammell Laird.Croudson came through the ranks at his home town club of Grimsby Town and was added to the first team squad during the 1998–1999 season as the club's third choice keeper behind Aidan Davison and Andy Love .During May 1999, injury put both Davison and Love on the sidelines and Croudson was handed his professional debut by Alan Buckley.