TES Ltd. is a Czech engineering company and since 1992 it has specialized in engineering services and technical support, especially in the field of nuclear power engineering. It is a reliable supplier of CEZ's energy company, its partners and foreign customers. Its activities support the safety of operation at the Dukovany and Temelín nuclear power plants.

As part of international projects it is involved in improving the operation and safety of nuclear power plants in Russia and Slovakia. As leading members of consortia, it has gained extensive experience in project management, for example on TACIS projects managed by the European Commission or by our participation in projects organized by the Ministry of Trade and Industry of the Czech Republic.