I feel like the company doesn't take care of their clients

Good day

Last month I have join this other company it's increase my credit score. They assist on removing red flags on my profile. An application has been done with. And a debit cheque has been done. Since a first debit has been done. When I do a follow up check up them. Those guys there phone keep on ringing on answer. The whattaap numbers on one is replying on the whattaap. Their office number: *** or ***