Stand together against Experian ********* practices

In spite of an excellent credit score when doing a casual search for example from Nedbank App one can revert even though you closed the App before making it a hard Enquiry it is counted against you even though it's a problem Nedbank must resolve. Another issue I eventually got my car loan removed from my report but Experian refuse to remove my car insurance due to my ID number missing on Old Mutual system. Quoted my account number but they always need the last 2 payments. There is so much wrong on my Credit Report it would take 10 years to resolve. Seems the HQ could be in Dublin so how does one reign in accountability and the right to dispute.