The Workers’ Exposure Survey on cancer risk factors (WES) in Europe aims to provide current and reliable data on the exposure of workers to risks that can lead to this disease. Cancer is one of the biggest health challenges faced by European workplaces, and the survey is a fundamental tool to address this problem. Through WES, the European Agency for Safety and Health at Work (EU-OSHA) can contribute to prevention, awareness-raising and policy-making, ultimately helping in the fight against occupational cancer.