This paper introduces an integrative multi-robot system for advanced manufacturing, presenting an innovative approach that addresses contemporary challenges in the manufacturing landscape. By seamlessly integrating additive and subtractive manufacturing processes, namely wire-based laser deposition welding and robotic milling, within a highly automated cell, the system offers a novel solution with the potential to advance industrial production. Delving into the system's architecture, the paper explores the intricate details, emphasizing key characteristics such as functional integration, joint programming, and digital twin. Specific functionalities are elucidated to provide a clearer understanding of the system's capabilities. Research perspectives outlined in the paper shed light on potential advancements in simultaneous additive and subtractive operations, providing insights into the system's capabilities. Additionally, a comprehensive analysis of the potential and applications of the OPTIMA system is presented, highlighting its versatility in aerospace applications, the automotive industry, and customized products. This paper serves as a detailed guide to the integrative multi-robot system, offering in-depth insights into its design, functionalities, and specific contributions to the field of advanced manufacturing. Exploring both research perspectives and practical applications contributes to a holistic understanding of the system's significance in shaping the future of industrial production.