4bc

4BC was founded in 2021 to accelerate the green transition in the built environment. We combine technical expertise with data-driven analysis and strategic advisory—because sustainable buildings require both deep domain knowledge and practical implementation. We support organisations across the public and private sector with: ISO certification & energy management systems AI solutions for energy optimisation and predictive control Data-driven energy management with live operational data Project management of energy initiatives—from idea to operation Strategic use of building energy label data and building datasets Proven impact:+2 million m² managed through data-driven energy management +15 years of experience in energy efficiency and optimisation Best Practice recognition from Bureau Veritas Documented savings exceeding 1M DKK annually From municipalities to regions and large organisations, we help turn energy data into measurable results and long-term performance improvements. PropTech meets energy management — bridging the physical and digital world.