Cancel a subscription

I have been trying to cancel my subscription for months, I keep getting put on hold, ask to leave number for a call back which I never receive.  I have logged numerous support tickets no response. I phoned on 08/07/2026 and went through the process of adding myself as the primary contact, cancelled the subscription to one of our companies we no longer use.  I received an invoice for this month.  I have been on hold every day for over an hour, been online and told I have priority support and will be next in queue - still waiting hours and not getting response.