Check the company’s website and familiarize yourself with its process and the number of case studies. Check the reviews on Clutch. This site is the perfect place for you to find the best software developers. At the same time, it allows software companies to present previous work and achievements. In addition, read the company's feedback - on its website, discussion forums, and social networks. Check whether previous clients are satisfied with the process's efficiency and the final results. Doing this will give you a better idea of what you can expect.