You can hire a web app development agency in Singapore by considering the following factors.
Gather the companies’ names
The primary task is to do some research and end up with a considerable number of app development companies in your locality. You can achieve this with a simple Google search. If there are any referrals, you can add them also.
It is necessary to find the best one out of the gathered companies. You can find this by knowing what people think about their services. The best place to check this is the online review platform. Several reviewers have this as their profession to help you know whether the companies are offering reliable services or not.
The past works of the company can tell you a lot about the suitability of the company for your requirements. If you can find some apps developed by the company that relates to your vision, you can start working with them without second thoughts.
Software development depends on several methodologies and the company should use the suitable methodology to create apps according to your requirements. Also, the company should be transparent in terms of showing its processes.