ILF

At ILF Consulting Engineers, we believe that engineering excellence emerges from combining deep local presence with global expertise. Founded in Austria in 1967 by Pius Lässer and Adolf Feizlmayr, ILF has grown into a network of independent engineering and consulting companies with over 3,000 employees across 45+ offices worldwide. Our engineers and consultants work directly with clients on-site, ensuring we understand local challenges while drawing on international best practices, specialized tools, and processes from our global network. This approach has made us a trusted partner for technically demanding industrial and infrastructure projects spanning energy transition, environmental protection, and sustainable urban development.

What sets ILF apart is our culture of collaboration and long-term thinking. As a privately owned company led by the founding families, we maintain complete independence from manufacturers, suppliers, and financial institutions - allowing us to deliver unbiased solutions focused solely on client success. Our teams tackle complex challenges across Energy & Climate Protection, Water & Environment, Transportation & Urban Spaces, and Resources & Sustainable Industry. From pioneering hydrogen infrastructure and seawater desalination to renewable energy integration and sustainable mining, we don't just build projects - we help shape the future of infrastructure. At ILF, you'll find engineers who think holistically, consultants who understand technical realities, and a workplace that values expertise, integrity, and sustainable impact over quick wins.