Non existent service and no one in the organisations knows what the hell is going on!!!!

Signed up for a Homecloud 100+100 package in 2017 as I cannot utilise ADSL (worse than pathetic), although in hindsight, I may as well have stuck with a useless ADSL. Anyway I was informed that I could only downgrade my package after 3 months which I duly exercised and handed in my instruction to downgrade. To my disgust I still get billed for the bigger package and accounts inform me that NO DOWNGRADES are allowed only UPGRADES and yet I have a written email to the effect that I could DOWNGRADE after three months. Needless to say you never get anything near 90mbps and even reporting to technical falls on deaf ears. They couldn't care less as long as they have subscribers (or suckers)....email addresses they post on invoices don't exist, it's impossible to get anyone to contact you when you request contact. Completely unprofessional and a company that should cease to exist. The way they are going, they will be their own downfall. My last month and then I'm out of here