Unsatisfied nimble group client ....

I have been calling them from 3 months agents don't know anything all they say is they are busy with other clients fir the written of letter. I'm waiting for my written if letter for 3 months they have been pushing me around even the wattsup group doesn't seem to help. I have an account it's long due for my written of letter these ppl are ignoring me no response at all I'm going to take this up further....I have been calling and calling they have no dignity as a business that bought over my information according to popi act I didnot give authority for this.... do they even know what's popi act......