This project aims to develop a comprehensive platform o facilitate efficient integration and management between trainees, personal trainers (PTs), and fitness companies, wich may be consultancy companies or companies that have their own gym. The platform will al- low the registration of trainees, independent PTs, hired PTs, and companies, each with their respective permissions and functionalities. The goal of this platform is to provide a more personalized and efficient fitness experience for all involved parties. By digitizing and centralizing various functions, it is expected to improve communication, organization, and ultimately, the quality of service provided.