Old Mutual/celestis didn't pay my salary

Celestis didn't pay me....I signed a 3 months contract I only got paid for 2 Months...I signed a contract for 3 months payments...under their portal my payslip showing my salary that is due on thee 25july everyone got paid only me...how unfair...am definitely taking this matter further...I want my money Celestis broker services please...should I take OLD MUTUAL TO CCMA OR CELESTIS?