BAU4x is the new Ifa18-certified web platform that offers solutions to all Swiss construction professionals, from architects and designers to contractors and craftsmen.With the standardization of processes based on CRB's NPK (Catalogue of Normalized Positions), BAU4x supports all project phases in an integrated and digital way: an innovative model that optimizes work and meets the needs of all construction sectors, including Public Administrations.The platform offers a complete set of modular, integrated and scalable solutions, such as the management of Specifications, Offers, Personal Price Lists, Bid Comparison, Work Progress, and much more.