About us

We specialize in the design and development of steel and composite bridge projects.

LFG Structural Designs SL is a civil engineering consultancy covering all stages from initial conception to final commissioning and service.

Our deep knowledge of large-scale structural execution, combined with a commitment to detailed design and quality, has established us as a national benchmark in the field of steel and composite bridges and footbridges.

While our core activity is based in Spain, we also take part in the design and execution of major international structural projects.

Luis Fernán González Saiz

Founder & Lead Structural Engineer

LFG Structural Designs SL features a specialized team of structural analysis and design engineers led by Luis Fernán González Saiz, whose expertise in steel and composite structures has driven the successful completion of over 100 projects across Spain and internationally.

Our Expertise

Structural Design & Engineering

Complete analysis and design from concept to execution.

Site Technical Assistance

On-site supervision and assembly guidance.

Detailed Engineering

Comprehensive fabrication and construction documentation.

Load Testing & Maintenance

Inspections and maintenance throughout service life.

Ready to Start Your Project?

Let’s discuss how our expertise can bring your vision to life.