Unkept promise!

I’ve had the worst experience with this company. They didn’t keep their promises! I had to jump through hoops to get them to stop the monthly debit orders after my contract expired and now I have to deal with creditworx because they claim ADT account is still active. I have a “paid up” letter from NBA, which is a company that does ADT Vaal collections, and yet I’m still harassed for an account that they still put on “hold” while they investigate! Phone recordings don’t work cause the call center agent only sees what they want, I tried to explain that I spoke to several people after payment was made hence the letter she didn’t want to hear any of it! So how then would I want to recommend this company to my friends and family!?