I called back number (07) 3137 5915 spoke to Cathy switchboard receptionist for different companies. She can't really provide me the details who called me but as what she said they are link with different companies and debt collection companies are one of them but she didn't mention the name of the company.

I called back number (07) 3137 5915 spoke to a guy who wont say the name of the company if he can't confirm my details, However based on the questions he was asking a possible debt collection company?