Mybos has been very helpful and responsive. They are always willing to go above and beyond for you. I have had many issues getting my building up and running correctly, but they were always available to talk and help me through it. The support team is amazing! It's a little pricey compared to other providers.
However, they do offer a free trial that will allow you to see if their product is something you would like to use. As a developer, I can't think of anything I didn't like about this…