This is important mainly because you will be investing a considerable amount of money and also you wouldn’t want to end up feeling sorry at the end of the day, right? With this, things such as their willingness to serve your company needs to be included in your list of need-to-knows. Through doing such, you can see it for yourself if they are really good at just what they are doing. This will also serve as an indication whether they can meet the various demands that you'll eventually set up.