4Wind Service OÜ (formerly Empower 4Wind OÜ) was awarded the ISO 9001:2008 and ISO 14001:2004 certifications for wind farm maintenance and related services in the fall of 2010, making us the first company in Estonia to receive these certifications. In the fall of 2024, we were additionally awarded the ISO 45001:2018 certification, demonstrating our commitment to providing the best possible working conditions within our company. Today, we have implemented an Integrated Management System,that encompasses environmental, quality, and occupational safety management systems.