This chapter discusses mutual trust in the daily construction of public safety. The chapter is based on the corresponding author’s article-based dissertation, with work connecting joint research articles to his action research. In doing so, this chapter summarizes the implementation of the strategy and how it has been studied. The research is limited to a municipal facilities’ service unit that aims to secure a common value chain for all situations. To do this, joint performance is required. The study is based on action research, with the use of mixed methods. The study utilized the resource-based view theory and empirically employs the balanced critical factor index method for managing the unit.