Years of Experience
Completed Projects
A major player in steel structure construction
If you are planning to erect ANY type of Steel Structure, please speak to us. We have been in this industry since 1999 and the quality of our work, the testimony of many satisfied clients and our professional approach will convince you.
We operate locally, nationally and internationally and have done projects in Mozambique, Botswana, Gabon and all over South Africa.
All our structures are approved and certified by civil and structural engineers and we never take dangerous shortcuts. Designs/Structures of all kinds are done with the utmost care to safety, quality, structural specifications, local regulations and site conditions.
We comply with high standards of quality assurance and will provide you and your company with a safe working environment and comprehensive knowledge in the field of structural steel.
We supply and erect steel structures. Need a steel frame structure? Get a quote today.
Our mission is to manufacture and erect structural steel of the highest standards and quality to meet our client’s expectations and approval.
Introduction
We promote policies and commitments that deliver a quality product and we use only “A” grade materials at competitive prices. We comply with high standard of quality assurance and will provide you and your company with a safe working environment.
Our Services
We operate nationally and internationally and have successfully completed projects throughout SA eg: Malmesbury, Middelburg, Thabazimbi, Kuruman, Durban, Bloemfontein, Marble Hall, Cullinan, to name but a few.
Our Vision
Pretorius Structures strives to always deliver excellence. We believe in team work and integrity and the role it plays in providing the highest standard of our services. We aspire to always display humanity, empathy and honesty within our dynamic business environment. The passion for grooming and discovering new horizons is part of our DNA.
Our Mission
Our mission is to manufacture and erect structural steel of the highest standards and quality to meet our client’s expectations and approval. We aim to achieve this by applying innovative, state-of-the-art practices through well qualified, dedicated and inspired team members - our most valued asset.
Our Values
Integrity in both personal & professional relationships.
Respect is our commitment to value people.
Imagination drives our actions.
Contact Us
Pretorius Structures can assist with all your structural steel requirements and more.
Steel Structure Experts in South Africa
Built on Strength, Designed for Purpose
Pretorius Structures has grown into a trusted name for anyone looking for a steel construction company in South Africa (and beyond) that delivers projects built to last. We’re not about shortcuts or one-size-fits-all designs. Every structure we build – whether it’s for industry, farming, or commercial use – is shaped around the client’s needs and backed by years of hands-on experience. From concept to final erection, our approach is straightforward: solid engineering, reliable project management, and workmanship that stands up to real-world demands.
A Steel Structure Building Company You Can Rely On
When choosing a steel structure building company, you’re not just investing in a building – you’re investing in peace of mind. Our team handles everything from workshop drawings and fabrication to transport and erection, using our own cranes and equipment to keep projects moving without delays. Whether it’s a warehouse, factory, or a customised portal frame structure, we focus on safety, precision, and meeting deadlines. Many of our clients come back to us for repeat projects, which says more about trust than any marketing could.
Why Pretorius Structures Leads in Steel Construction
Steel structures in Africa need to withstand unique conditions – from high winds and heat to heavy-duty usage in mining, agriculture, and manufacturing. That’s why quality isn’t negotiable for us. With advanced design capabilities and certified equipment for heavy lifting and abnormal loads, we deliver projects that balance durability with cost-efficiency. Our reputation as a steel construction company has been built on consistency: no matter the size or complexity of the job, clients know we’ll deliver exactly what we promised – and often more.



