C-TEC joins CERTANIA Group

Leading German specialist for non-destructive testing (NDT) and calibration services becomes a cornerstone of CERTANIA’s Industrials service segment in Europe.

Dortmund/Munich , October 30, 2025 – C-TEC Systemtechnik und Serviceleistung für die Werkstoffprüfung GmbH, a recognized expert in calibration, testing, and repair services for non-destructive testing (NDT) applications, has officially joined the CERTANIA Group.

Founded in 1996 and based in Dortmund, C-TEC provides accredited calibration, testing, and repair services for measuring and testing equipment across various industrial sectors. With seven accredited calibration procedures and a high level of technical expertise, the company ensures precision and compliance for customers in the automotive, aerospace, energy, and materials testing industries.

C-TEC’s clients include leading industrial companies such as Deutsche Bahn, Airbus, Porsche, Mercedes, Siemens, and BASF. The company employs 19 staff members and operates its own apprenticeship program to ensure long-term technical know-how and talent development.

“With C-TEC, CERTANIA gains a highly specialized partner that ideally complements our portfolio and significantly strengthens our Industrials segment,” said Karsten Xander, CEO and Founder of CERTANIA. “Together with our existing group companies GWP, SPC, and TAZ, we are building a comprehensive calibration and testing network for industrial customers across Europe.”

“Joining CERTANIA marks a new chapter for C-TEC,” said Lars Barkowski, Managing Director and Co-Founder. “It enables us to expand our reach and invest in future-oriented growth while maintaining the highest quality standards that define our company.”

Gilbert Barkowski, Managing Director and Co-Founder, added: “We are proud to contribute our expertise to a larger platform — together, we will continue to advance excellence in calibration and NDT services.”

As part of the CERTANIA Group, C-TEC will play a key role within the Industrials segment, driving technical innovation, operational synergies, and cross-group collaboration across CERTANIA’s industrial service platform.

About CERTANIA
Headquartered in Munich and founded in 2020, the CERTANIA Group is a globally active company in the Testing, Inspection, and Certification (TIC) industry with decades of experience. The experts from the Group’s nearly 40 companies have shaped TIC industry standards and played a key role in developing methods in areas such as life sciences, food and consumer goods, industry, as well as buildings and infrastructure. More information: www.certania.com.

About C-TEC
Based in Dortmund, Germany, C-TEC Systemtechnik und Serviceleistung für die Werkstoffprüfung GmbH is a leading specialist in calibration, testing, and repair services for non-destructive testing (NDT) applications. The company offers one of Germany’s most comprehensive accredited calibration portfolios in this field, supporting clients across the automotive, aerospace, energy, and materials testing sectors. Accredited to DIN EN ISO/IEC 17025 and certified according to DIN EN ISO 9001, with a measurement management system compliant with DIN EN ISO 10012, C-TEC stands for the highest quality standards and continuous technical expertise development. More information: www.c-tec-ndt.de.