For the last fifteen years, open innovation has been one of the hottest topics in innovation management research. Digitalisation of the open innovation process has also emerged as a concept of high organisational value. The potential benefits of this concept and how firms organise, or should organise, in order to realize these benefits have been addressed in numerous empirical studies published in scientific journals as well as books. Responding to the need for further conceptual and empirical research on open innovation in services, this book reveals if and how service providers in different service sub-sectors have implemented the concept of open innovation. Based on rich empirical data, the book discusses the benefits and drawbacks, the processes, the characteristics and the management practices of open innovation in private as well as public service organizations.Through a series of empirical case studies focusing on the open innovation practices of different public and private service organizations, this book contributes to deepening our understanding of how the concept of open innovation has been implemented in services, and what challenges, achievements and benefits that are associated with the implementation of open innovation concepts in this sector. These insights it provides can assist managers of both private and public service providers to confidently implement open innovation in an efficient manner in their organizations.