Finding the right company that specializes in app development using Flutter can be quite challenging, as there will be a lot of options around you. However, there are several factors that you take into consideration when hiring an experienced app development agency. You can check what their clients have mentioned about the company and how they have rated the offered Flutter app development services. Also, check whether they have proficiency in developing iOS and Android apps by using Flutter technology or not. Go through renowned listing portals such as Clutch and Upwork to know more about the company's presence globally.