Why handing over to some ridiculous companies 3rd party they say

Am so irritated and disappointed with the way hifi corporations runs their affairs Am having a laptop credit with them and suddenly am handed over credit busters company which Will end up ****ing me or making my credit score a whole mess worse part I was never notified only when i got to the store they get surprised and inform me that am not appearing om their system

This is so unprofessional this will damage the credit please. Resolve thiss