Maish made his televised debut at the 2003 UK Open beating Vic Hubbard but lost 5–0 to former World Champion Steve Beaton.
He lost in the 2005 UK Open to Andy Hayfield and failed to qualify for the Las Vegas Desert Classic and World Grand Prix.
He did however play in the 2006 PDC World Darts Championship, but lost in the first round to Jason Clark.
He did however qualify for the Las Vegas Desert Classic for the first time, losing in the first round to defending champion John Part.
Maish suffered a first round exit in the 2009 PDC World Darts Championship, losing 3–0 to Denis Ovens.