CERTIFER is a French railway certification agency established in 1997. CERTIFER is a major global actor in the independent safety assessment and design checking of railway systems and guided transport (metros, trams, high speed lines) and special equipment (road/rail, piling and lifting). Headquartered in Valenciennes (France), CERTIFER is present in 15 countries with subsidiaries in Algeria, Australia, Belgium, Brazil, China, France, Italy, Spain, Germany, Austria, The Netherlands, Sweden, Switzerland, Turkey and branch in UAE.