i am working with fxchoice
i am happy with them. they are regulated but no leverage for btc ( its good for me)
You can deposit and withdraw btc thats enough for me.
What about their volume and price gaps. Because when I checked last time with infamous bitcoin trading broker but they were offering meta trader platform, but could not find same exact price movements similar to bitstamp or bitfinex. I guess we can find many meta trader platform offering forex brokers for bitcoin trading but sticking with actual exchanges has many significant benefits for a trader.