Remove closed accounts!!!!!!! messing with my credit score!!!!

I have closed over 3 of my accounts on my profile, and one of my old car insurance accounts still shows open, I have requested that this be removed from my profile twice already, I also have a cellphone account that needs to be removed as well as my other closed car insurance with Budget Insurance, this needs to be updated on your system and removed from my credit score, I have emailed what you needed to show proof of closed accounts as well as a paid-up letter from my cellphone account with Vodacom, but I have not received any feedback what so ever from Experian