Poor Service

I have been greatly inconvinienced by Courier IT, they received a package that was meant to be deliovered to me by Friday. It's Tuesday and I still don't have it. I need the package for business use so I have been losing income since Friday due to this. It seems they have misplaced the package and they are not giving me feedback or a way forward on how they will replace it. This is very frustrating and they don't even keep me updated, I have been calling them since Saturday when I even visited their office with no help