The Norwegian Institute of Public Health (NIPH) operates within the government sector in Norway, focusing on public health research and policy development. Founded in 1929, the institute employs between 501 and 1,000 staff members and generates significant revenue. Its published documents reflect a commitment to advancing health services through systematic reviews and evidence-based decision-making processes. Notably, NIPH has contributed to the development and implementation of the GRADE approach, which enhances the transparency and usability of systematic reviews in health guidelines. This methodology has gained recognition as a gold standard among international organizations, including the Cochrane Collaboration and WHO. Additionally, NIPH engages in forecasting public health trends, as evidenced by its recent report on national and regional models. The institute's work includes case studies that illustrate the impact of its research and methodologies on health technology assessments and social services, further underscoring its role in shaping health policy and practice in Norway and beyond.