I need help with the hiring for cross-platform mobile app development services. My friend and I have been working on the plans of a mobile application, and now that we are done with the plans, we want to get it developed soon. I have shortlisted one of the best mobile application development Toronto companies, and I want to arrange the meeting with them soon so that we could get away with the hiring soon. It is just that none of us are sure how to evaluate their professionalism and work quality, and we really need some quick help with that. Can someone provide some guidance related to that?