Bouwspex.nl is an online platform on which tender and construction specifications of building manufacturers and suppliers can be found quickly. ZeeBoer maintains the platform. A basic entry is added free of charge. Before 2019 the website was called Bestekservices.nl. ZeeBoer maintains Bouwspex on the basis of data from STABU and KOMO, specifications and BIM tools supplied by ZeeBoer and also third-party tools are added. Visit Bouwspex.nl.