Hasi Group Ltd

Hasi Group is a UK-based, design-and-build principal contractor that specialises in unlocking value from complex residential and mixed-use developments. From initial feasibility studies through hand-over and after-care, they deliver integrated construction solutions that combine rigorous commercial discipline with uncompromising quality and safety standards. Their mission is to create high-quality living and working environments while maximising clients' return on investment and minimising disruption.

They believe construction enhances lives, focusing on how projects improve the daily experience of people who will live, work, or pass through the spaces. Hasi Group unlocks the potential of the built environment, particularly in dense urban settings, by combining insightful design, precision engineering, and a resident-first approach to site management. Key specialisms include construction of new residential floors on top of existing occupied buildings, structural steel or timber-frame airspace builds, integrating new fire strategies, and managing resident relations.

They have extensive experience converting commercial buildings into residential apartments, including offices to flats and retail to residential, handling strip-out, structural alterations, re-planning, and full residential M&E and fit-out. Hasi Group also leads full new-build apartment blocks, structural steel frame and RC frame construction, and mixed-use schemes. They manage complete mechanical and electrical systems installation, energy-efficient systems, and have a track record of rescuing failing projects.