This Business Management ER Diagram provides a comprehensive overview of the key entities involved in a service-based business process, including companies, clients, services, employees, and billing details. It details relationships such as how companies provide services, how clients make requests, and how employees handle repair jobs. The flow also includes vehicle ownership, payment receipt, and scheduling aspects, ensuring a clear understanding of the data structure for efficient business operations. Created using EdrawMax, this diagram is perfect for business analysts, database designers, and developers.