Product Validation in Health (ProVaHealth) was an Interreg Baltic Sea Region funded three years project (October 2017 to March 2020) to stimulate collaboration between fifteen health and wellbeing living labs across the Baltic Sea. Living lab by definition is a multi-stakeholder driven user-centered open innovation approach to co-create and test novel solutions in real-life environments. This report presents the key findings regarding the development efforts to co-create sustainable business models and services for living labs to support SMEs and start-ups internationalization efforts.