Developing new mobility services such as electric vehicles and autonomous vehicles services requires not only the interaction and interoperation of independent systems such as electric vehicles, electric infrastructure, or off-board servers, but also the collaboration of independent business partners, namely, car manufacturers, energy providers, and service providers, developing, managing and operating these systems. Such services show both Product Service Systems and Systems of Systems characteristics and, as such, can be defined as Product-Service Systems of Systems. While extensive literature exists on developing and managing PSS product and service elements and SoS constituent systems, little research explicitly focuses on PSSoS stakeholders. In particular, the analysis of PSSoS stakeholder business partnerships and involvement in PSSoS development. PSSoS development is seen as the development, operation, and management of constituent systems. This paper contributes to addressing this gap and proposes an approach to manage stakeholder participation in the PSSoS business partnership and PSSoS developmen