Not paying out deposit

I moved out of the apartment Tuesday 29.09.2015. I went to the Rubermic offices immediately in order to finalize my services bill. After numerous forms, they were unable to take the meter reading and I had to come back at a later stage.<br> I finally received my final bill, and gave them permission to finalize the account by making use of my deposit amount (as was advised by them). 22 days later and still nothing has happened. When I phone them the responsible person is never available and no one in that office can assist. I need that bill finalized in order to claim my lease deposit.<br> Is there anyone working at Rubermic that can actually assist?!