3 weeks No internet destroying my business

Well 3 weeks we have been unable to work or make suitable connection. I have phoned near daily.... Facebook messages... Lodged complaints on there website. Rep**** to the generic email response of is your problem still persisting. Been forced to pay for a service I'm not receiving..... I don't know what more to do as I can't work I have used so much data which is so expensive just to try keep a few customers. Rain please restore my service this is unexceptable