Welcome to LGSFDESIGN, a global leader in structural engineering, specializing in LSF (Light Gauge Steel Frame), HRS (Hot Rolled Steel), RCC (Reinforced Concrete), and hybrid structures. We pride ourselves on delivering top-tier designs and comprehensive calculation plans, all tailored to meet the highest industry standards. Our unwavering commitment to quality, customer satisfaction, and cost-efficiency sets us apart as a trusted name in the field. 

With over 17 years of experience, we have helped countless clients confidently turn their dream home designs into reality. Our extensive portfolio spans projects across the globe, including the United States, UAE, Germany, France, Croatia, Romania, Turkey, and beyond. Our work demonstrates not only our technical expertise but also our passion for creating structures that blend functionality, aesthetics, and sustainability.

At LGSF DESIGN, we believe that designing your dream home should be a seamless experience. That’s why we’ve created lgsfdesign.net, a user-friendly platform designed to guide you step by step in selecting the perfect house plan within your budget.

Our Story

LGSF DESIGN was founded in 2009 by Alireza Arabnejad, a PhD graduate in Civil Engineering with a strong background in mechanical and structural engineering. Driven by a passion for sustainable construction and modern fabrication technologies, Alireza began his journey with the FrameCAD F300 system, creating a wide range of residential designs for clients around the world. His commitment to innovation and eco-efficient building methods shaped the foundation of LGSF DESIGN, supported by a skilled team and a progressive development approach.

Today, we take pride in an impressive track record:

• 600+ international projects completed

• 250+ satisfied clients, including companies and individuals

• A growing network of 9,000+ followers and clients passionate about steel frame and hybrid structures