Bad service - Norman Bisset and associates.

The company started with calling me and my wife in May 2021. after explaining the situation and e-mailing them the relevant documentation, it was indicated that the documents would be sent to the "Relevant Department". Unfortunately, the telephone calls continues unabated. The calls commences at 07h00 in the morning, the calls are cut-off, when phoning back, one is given the number for the Nimble group, where calls are once again terminated in mid-conversation. This situation is beginning to border on harassment. Is there someone that one can call with a clear landline, or where can one contact them on e-mail? Preferably, someone that would be in a position to link words to action.