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LGSF DESIGN

About

About LGSF DESIGN

A global leader in structural engineering, specializing in LSF, HRS, RCC, and hybrid structures — with designs and calculation plans tailored to the highest industry standards.

  • LSF Light Gauge Steel Frame
  • HRS Hot Rolled Steel
  • RCC Reinforced Concrete
  • Hybrid Hybrid structures
Explore our story Why choose us

Welcome to LGSF DESIGN, 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. At LGSF DESIGN, we believe designing your dream home should be a seamless experience — that's why lgsfdesign.net guides you step by step in selecting the perfect house plan within your budget.

  • LSF Light Gauge Steel Frame
  • HRS Hot Rolled Steel
  • RCC Reinforced Concrete
  • Hybrid Hybrid structures
LGSF DESIGN structural engineering and light steel framing
17+
Years of experience Since 2009
600+
International projects Completed worldwide
250+
Satisfied clients Companies and individuals
9,000+
Followers & clients Growing steel-frame community

Our story

Built on engineering passion

Alireza Arabnejad

Founder · PhD Civil Engineering

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.

Markets served

  • United States
  • UAE
  • Germany
  • France
  • Croatia
  • Romania
  • Turkey

Our advantage

Why Choose Us

We provide full service at every step — from concept through manufacturing-ready documentation.

01

Engineering Expertise

Professional structural and LSF design knowledge for residential and commercial work.

02

Manufacturing Ready

Solutions designed with fabrication, detailing, and construction sequencing in mind.

03

Global Experience

Projects delivered across multiple countries and construction markets.

04

End-to-End Support

Support from concept through technical documentation and delivery coordination.

05

Digital Workflow

Modern tools for design, visualization, and file processing across the project lifecycle.

06

Professional Accuracy

Detailed documentation built for real-world construction and manufacturing teams.

Capability

Trusted by thousands

Choosing us means selecting excellence in LGS structure design. With a proven track record in crafting cutting-edge LGS structures, we bring expertise and innovation to every project — with precision, reliability, and the latest industry advancements.

Start a conversation info@lgsfdesign.net

Compatible manufacturing systems

FRAMECAD, Howick, Arkitech, Stallion