In my opinion, when choosing a cloud application development company, it is important to consider several key points. First, pay attention to the portfolio. A good company always shows its completed projects. This helps to understand the level of their expertise and determine whether their work style matches your expectations. Secondly, specialization is important. If the company has experience in cloud technologies and understands the specifics of developing such applications, this is a big plus. Ask about the technologies they use, approaches to architecture and data security. Another factor is customer reviews. Take the time to study recommendations or contact former customers. This will help you understand how reliable the company is in meeting deadlines and quality.