
Quality Construction Services in Saudi Arabia
Expertise in construction, welding, and civil engineering projects.
Roadworks Services
Comprehensive solutions for all road construction needs.
Custom signboard installations for your business.
Professional welding and fabrication services available.
Signboard Installations
Welding Services
Welcome to Semt United First Company
Established in 2022, Semt United First Company specializes in diverse construction services, including fabrication, welding, roadworks, and civil engineering projects across Saudi Arabia.
Our Commitment to Excellence
Building a Better Future
With a focus on quality and innovation, we deliver exceptional results in signboard installations and various civil engineering projects, ensuring client satisfaction and community development in every endeavor.
Construction Services
Expert solutions in construction, fabrication, welding, and civil engineering across Saudi Arabia since 2022.
Comprehensive Civil Works
We offer a wide range of civil works, including fabrication, painting, and piping services, committed to delivering projects that meet our clients’ specifications and enhance their operational efficiency


STEEL FABRICATION & WELDING
We SEMT UNITED FIRST Fabrication Division has a good track record and wide experience in the petrochemical and related industries. Our services include the fabrication and installation of structural and miscellaneous steel, equipment components, plate work, and bridge girders. In order to offer our customers a sole source steel fabricator to supply your entire project, SEMT United First Company manages strategic partnerships with a select group of fabricators, offering a combined output of structural steel
Gallery
Explore our diverse construction and engineering project showcases.
Contact Semt United First Company
Get in touch for construction and engineering service inquiries today.