CERTIFER is a French company established in 1997, specialising in railway Testing, Inspection, and Certification (CERTIFER TIC), as well as Consulting and Advisory services (CERTIFER Solutions). Its core expertise lies in ensuring the safety, reliability, and compliance of urban and mainline guided transport systems worldwide. The company’s key services include Independent Safety Assessment (ISA, AsBo, NoBo, DeBo), conformity evaluation, testing and laboratory services (materials, mechanic, electrotechnics, tribology, calibration, NDT), IV&V and assistance with system authorization and approval processes for rail and urban transport projects.

CERTIFER supports manufacturers, operators, and infrastructure managers throughout the lifecycle of their projects — from design and construction to operation and maintenance — helping them meet international standards and regulatory requirements.

Today, CERTIFER employs around 400 professionals and operates across 27 locations in Europe, Asia, the Middle East, North and South America, and Australia. Its teams combine technical excellence, multidisciplinary expertise, and a strong commitment to safety and innovation.