TQ stands for "Technology in Quality." Our quality has been confirmed by our extensive certifications – from the very beginning. When the company was established in 1994, all TQ systems were certified in accordance with DIN EN ISO 9001, laying the foundation for the following certifications:

Environment and energy
TQ-Group
ISO 14001:2015 | valid until: 30.08.2026Download
TQS-Shanghai
ISO 14001:2015 | valid until: 15.10.2028
Download
TQ-Systems Slovenia
ISO 14001:2015 | valid until: 12.01.2029Download
TQ-Systems
ISO 50001:2018 | valid until: 06.08.2027Download
TQ-Shenzhen
ISO 14001:2015 | valid until: 31.05.2029Download