Deerns Employee Directory
Engineering ServicesSouth Holland, Netherlands501-1000 Employees
Deerns is an independent engineering firm that delivers technical consulting and engineering solutions, with a long-standing presence dating back to 1928 and a network of offices worldwide. The company focuses on building systems, energy supply, and building physics, offering services that guide projects from initial concept through design, construction supervision, and aftercare. Its portfolio spans airports, healthcare organizations, data centers, laboratories and cleanrooms, and commercial real estate developers, illustrating a broad, sector-spanning capability within the built environment. Headquartered in The Hague, South Holland, Deerns serves local, national, and international clients in the engineering services field, positioning itself as a specialist in complex building projects and sustainability-focused design. In 2025, the firm expanded its Western European footprint with offices in France and the Netherlands to meet growing demand, and it launched a Whole Life Carbon approach to emphasize life-cycle sustainability within its engineering solutions.