Hanssem continuously monitors sustainability across all aspects of its business operations and pursues responsible growth.

The Korea Institute of Corporate Governance And Sustainability(KCGS) annually evaluates companies' overall management levels and implementation of sustainable management across environmental (E), social (S), and governance (G) areas. Hanssem achieved a B+ overall rating in the 2025 KCGS ESG evaluation and is continuously enhancing its management systems across environmental, social, and governance areas to strengthen ESG management.

Hanssem is aligning with global initiatives by participating in the Carbon Disclosure Project (CDP). Starting in 2022, Hanssem disclosed its carbon emissions information through CDP participation and earned an A- rating in the Leadership group, recognizing its excellent management capabilities in addressing climate change. Moving forward, Hanssem will establish and implement environmental management strategies and systems that meet global standards.