Homechoice marketing calls

I have been receiving marketing calls from numerous phone numbers, all starting with 021 492..., where the callers identified themselves as calling from Homechoice. I do not have an account with them. After reporting this to Homechoice via email, they indicate that these numbers do not belong to them, and they would investigate - no joy. Either someone is pretending to call from Homechoice, or they do not have control over their call centre. These calls have been relentless, more than once a day, since 18 November. Homechoice has the responsibility of sorting this out as their company is identified by the callers.