At BS4, we take pride in building strong, long-term relationships with some of the industry's most respected contractors. Our expertise in reinforced concrete (RC) frames, civils, and groundworks has made us a trusted partner across the UK.

For over seven years, we have supported Keltbray Structures on some of their largest RC frame projects in Central London, providing skilled labour and expertise to ensure seamless execution.

At more than one location for HS2, we have assisted with operations at multiple locations, from London to Birmingham, demonstrating our capability to mobilise where our clients need us most.

For LDD Construction, we are entrusted with making good of existing works across central London, ensuring they were delivered to the highest standards.

We have successfully collaborated with Kilhan Construction on major RC frame projects across the UK, reinforcing our reputation for delivering high-quality concrete structures nationwide.

Our commitment to reliability, flexibility, and excellence allows us to consistently meet the demands of our clients at BS4.