A global leader in energy, digital and industrial transformation.

Bouygues Energies & Services (BYES) specialises in designing and building process facilities and cleanrooms for the pharmaceutical and life sciences sectors. With more than 50 years’ experience, we work with clients ranging from SMEs to global pharmaceutical companies. Our projects cover the full spectrum—from laboratories and pilot plants to scale-up facilities and large-scale manufacturing. We deliver safe, efficient, and sustainable solutions that meet the highest regulatory standards, supporting organisations at every stage of their growth and production journey.