Headquartered in New York City, Posse is known for creating high-quality mobile apps. This company is one of the best app development firms in the business today. Posse is known for helping clients through all stages of the app development process, from planning to implementation. Posse is committed to transparency in its relationships with clients. The Posse team never outsources work to other firms. They pride themselves on meeting deadlines on-time and on-budget. This company loves to solve problems and write code. They aren't interested in trying to make a cookie-cutter solution fit a client. Instead, they take each challenge as it comes. Clients of Posse include jet.com, Gatorade, and Rover.