In September 2009, Effertz Tore was entered in the list of prequalified companies by the ZertBau certification body. You can view this list on the Internet (, registration number 010.030670). Our entry in the prequalification list documents our reliability, expertise and performance with a kind of seal of approval.

General contractors can check the suitability of Effertz Tore GmbH by means of the generally accessible prequalification list and thus free themselves from liability for social security contributions.