TÜV SÜD is an international testing, inspection and certification (TIC) company headquartered in Munich. Founded in 1866 in Mannheim as a steam boiler inspection association, it helps businesses make technology safe, secure and sustainable.

For the energy sector, TÜV SÜD tests, inspects and certifies power plants and turbines, wind farms, energy storage systems, and hydrogen production and infrastructure. It also provides nuclear licensing and decommissioning services, cybersecurity for energy companies and ISO 50001 energy management certification.

TÜV SÜD has more than 30,000 employees in over 1,000 locations. In 2025 it reported revenue of €3.6 billion, up 6.1% on the previous year.