Customers


REFA seminars are popular in Germany and abroad. Our best reference are satisfied clients – in numerous countries and various branches. Please get an idea of REFA services with the help of the following opinions of our clients:


Bildungsoffensive 2020
Die REFA AG ist zertifiziert nach DIN EN ISO 9001:2015
This website uses cookies. Cookies guarantee the functional scope of our offer, enable the personalisation of content and can be used for analysis purposes