The typical Coles Sales Assistant makes $23 Per Hour. Sales Assistant hourly pay at Coles can range from $20 - $29. This estimate is based upon 12 Coles Sales Assistant salary report(s) provided by employees or estimated based upon statistical methods. When factoring in bonuses and additional compensation, a Sales Assistant at Coles can expect to make an average annual salary of $47,406 . See all Sales Assistant salaries to learn how this stacks up in the market.