The aim of this paper is to analyze cases where participatory design with different stakeholder groups was a beacon in the development of innovations. An important aspect was a strong foundation both in the needs of the elderly and in the feasibility from the market side. Three cases were analyzed from aspects as: environment and development phase of product; participation of different stakeholders; and proxy involvement of care professionals. The impact of this approach is a benefit for aging end-users as well as increased feasibility for the innovation companies, as a result when collaboration of different stakeholders focuses on balancing the demands of the users and the prerequisites of the industry.