I have been using CoinSecure from last one year & they offer one of the best service. Less glitch & most of the time you don't have to deal with customer service. Highly recommended!
Here is how you can use it:
https://www.youtube.com/watch?v=hiWhxMSMl1YReally ?!
Their support is like hell.
Deposit took 1 week to approve. You can't buy / sell immediately with coinsecure. they are good once upon a time, now it's broken shop.