Holcim promotes circular construction by incorporating recycled and local materials into low-carbon urban development, sharing the commitment of the Congress to architecture as a driver of planetary transition.
The UIA World Congress of Architects 2026 will take place in Barcelona from 28 June to 2 July 2026, bringing together around 10,000 professionals from more than 130 countries under the theme Becoming. Architectures for a Planet in Transition. Holcim’s support as Main Partner makes possible an event that places architecture at the service of society and the future of the planet.
The UIA World Congress of Architects 2026 Barcelona welcomes Holcim as a Main Partner. Leading the transformation of construction in Spain, Holcim provides materials and solutions from foundations to roofing, collaborating with architects, developers and contractors to build more sustainable cities.