Recommendations for a Reliable App Development Company

Hi everyone I am planning to develop a mobile app for my business and looking for a trustworthy app development company. There are so many options online, but it is hard to know who has reliable and experienced. Ideally, I want a company that can handle both Android and iOS, provide good UI/UX, and offer post launch support. If you have worked with a reputable app development company, could you share your experience, pricing, and results Personal recommendations and insights would be highly appreciated. Thanks in advance for your help