The aim of the project for national implementation competence to support the growth of children and young people (Early Intervention KI) is to nationally promote the adoption and establishing of evidence-based, effective psychosocial methods for children, young people and families. The Early Intervention KI project continues and complements the assessment of psychosocial methods that has been carried out in Itla’s Early Intervention work for years, as well as implementation support for effective evidence-based methods. The solutions developed in the project will be integrated as a permanent part of this whole. The project’s development work also complements the implementation of effective methods in accordance with the national mental health strategy. The Early Intervention KI project started in Itla in the spring of 2023 and the project period will continue until the end of 2025. The project is being funded by the Ministry of Social Affairs and Health.