Combo offers THE unique and disruptive solution enabling European real estate developers, a 200 million direct market, to achieve their energy-carbon transition driven by International regulations and societal changes. With 80+ partners, Vizcab.io is largely used thanks to never seen user-friendliness, powerful carbon calculation capabilities (combining Artificial Intelligence, Data Visualization and Cloud computing), and genuine reflexivity. Vizcab is the tool supporting construction players in taking advantage of the carbon objectives by convincing the ecosystem and favouring collaborative approaches from investment decisions to project delivery.