Since 2012, the National Diabetes Council at Swedish Association of Local Authorities and Regions (SALAR) has been active to improve health care for persons with diabetes. The Council has produced a number of national care programmes, e.g. how to address patients who do not meet treatment targets, on insulin pumps and continuous glucose meters, on preventive foot care, and web-based information on diabetes to non-medical staff in nursing homes. Moreover, seven factors behind successful diabetes care have been characterized. Triangle revision is a newly introduced method applied for quality assurance of diabetes care with the aim to improve care and, if needed, to remedy potential deficiencies.