Your partner for quality and reliability

GIS is a nationwide construction specialist operating across the UK and the Channel Islands, delivering high-quality solutions for residential and commercial projects of all sizes. Built on decades of combined industry experience, GIS has established a strong reputation for craftsmanship, reliability, and consistently exceptional project outcomes.

We support clients across multiple sectors with a comprehensive range of services, offering end-to-end delivery from design and manufacture to installation. Our expertise covers:

Structural Steelwork

We provide full structural steelwork packages, delivering safe, precise, and efficient installations that meet demanding engineering standards and integrate seamlessly with wider construction programmes.

Architectural Metalwork – Design, Manufacture & Installation

GIS produces bespoke architectural metalwork, combining technical skill with aesthetic vision. From concept through fabrication to installation, our team ensures each element is manufactured to the highest specification.

Windows & External Doors

We supply and install high-performance windows and doors, offering durable, energy-efficient solutions that enhance both function and appearance across a wide range of building types.

Façade Solutions – Brickslip & Metal Cladding

As façade specialists, we deliver striking, high-performance envelope systems. Our expertise spans brickslip and metal cladding installations, giving clients modern, durable finishes backed by technical knowledge and proven installation standards.

Balcony Design, Manufacture & Installation

GIS provides complete balcony systems, designed and engineered with precision. Our turnkey process ensures safe, compliant, and visually appealing balcony solutions tailored to each project.

GRC & Precast Concrete Installation

Expanding our capabilities, we now install Glass Reinforced Concrete (GRC) and precast concrete panels, offering robust, versatile options for both contemporary and traditional architectural designs.

Across all disciplines, GIS is known for delivering outstanding quality and attention to detail. Our portfolio showcases a long history of successful projects, exceptional finishes, and consistently positive feedback from satisfied clients. With a strong pipeline of upcoming work, we are set for sustained growth and continued excellence in the years ahead.

At GIS, our goal is simple: to provide specialist construction services that exceed expectations—every time.