Choosing a managed IT service provider is a big decision. After all, this is the company that will be responsible for keeping your business's critical IT systems up and running smoothly. Not to mention, with the right managed IT service provider, you can free up your in-house IT staff to focus on more strategic initiatives that can help grow your business. So, how do you go about choosing the right managed IT service provider for your business? Here are six key factors to keep in mind.