The DIBt is a full member of the WFTAO (World Federation of Technical Assessment Organisations). WFTAO was founded in 1996 as the World Federation of Technical Assessment Organisations, a worldwide network for coordinating and facilitating the technical assessment of innovation in the construction field. WFTAO comprises officially recognised national bodies active in the field of technical assessments for construction products and systems. WFTAO currently has 24 members from 22 countries across the global market.

For this reason the DIBt is able to achieve better access to the international markets for German producers, because of cooperation with the other members of WFTAO an additional service can be offered in order to increase cross approvals.