Slow and poor service

I app**** for private vehicle finance around 09:00 in the morning on the 20th of March 2015 using the online application tool. I was approved and the e-mail I got from the automated service stated that I should now wait for a consultant to phone me, within 6 business hours, to proceed. I eventually phoned the phone number on the e-mail I received to find out what's going on at 12:15 on Monday the 23rd of March 2015. I was then told that I had to submit supporting documents and thereafter Marketer will contact me to sort out the details. I e-mailed the documents through and waited. I phoned again at 16:35 the same day and they hadn't received the documents yet. Next day phoned early morning and sent documents around 4 or 5 times as the mail just didn't go through. The consultant told me that Marketer will contact me before by end of day. I phoned again at around 16:40 and got hold of him. Couldn't agree on interest rate. Phoned him Wednesday morning agreed on interest rate but he didn't send through confirmation. Thursday morning phoned again and confirmation sent through but interest rate is now some other random number. Can't get hold of him since then. Not happy with this service