Sheet Metal Fabrication
Sheet metal fabrication in steel, stainless, and aluminium - CNC-cut, laser-profiled, and folded to drawing tolerance.
What we deliver.
Sheet metal is the quietest end of structural fabrication and the easiest to get wrong on finish-critical work. We fabricate in mild steel, stainless (304 and 316), and aluminium from our Rotherham facility - CNC and laser profile cutting for dimensional accuracy, CNC press braking for folds and bends, and TIG welding for stainless work where finish quality has to survive the finish pass.
Applications span machine guarding and enclosure panels, architectural cladding panels, custom brackets and mounting plates, electrical enclosures, HVAC ductwork connections, and one-off components where the drawing is bespoke and the tolerance matters.
What we make.
Every project follows the same certified workflow - so you get the same outcome whether we're making one beam or a thousand.
Three-material range
Mild steel for structural brackets, enclosures, and cost-sensitive applications. 304 stainless for general corrosion resistance; 316 for marine, chemical, or food-contact environments. Aluminium for weight-critical applications and architectural cladding where the finish spec calls for it.
CNC cutting and press braking
CNC plasma and laser profile cutting for dimensional accuracy on complex profiles - holes, slots, and intricate cut patterns delivered to drawing tolerance. CNC press braking for folds, bends, and box constructions. Edge preparation for welding is handled as part of the fabrication sequence.
TIG welding on finish-critical stainless
TIG welding is the appropriate process for stainless sheet where the weld seam has to polish or PVD-coat cleanly - MIG welding produces more heat-affected zone discolouration and more spatter to prepare. Coded TIG welders individually qualified to BS EN ISO 9606, with weld procedures written for each material and thickness combination.
Finish coordination
Powder-coat to any RAL through our finishing partners; stainless brushed or mirror-polished in-house; PVD coating in brass, bronze, or copper effects applied in-house. Galvanising and wet-paint systems are coordinated through our finishing partners and are not carried out in-house.
Craftsmanship. Accountability. No shortcuts.
No subcontracted welders. No outsourced site crews. Every project from 3D model to final torque-check is handled by a certified UIS team from our Rotherham facility.
Tour our workshop Project & sample images.
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Four reasons we stay on your shortlist.
The same four reasons come up whether you're a tier-one contractor, architect or self-builder.
About UIS-
01
Accreditations & compliance
BS EN 1090 Execution Class 2. CHAS Elite, Alcumus SafeContractor, ISO 9001. Every project ships with a full QA pack.
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02
Experience & capabilities
Thirty years in business. Drawing board to torque-check happens in-house - no split accountability.
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03
People & values
CSCS operatives. Coded welders. Chartered draughtsmen. A family firm that treats your project like their own.
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04
Innovation & sustainability
Tekla 3D modelling. Automated welding cells. GRP composite solutions where steel isn't the right answer.
"Having dealt with UIS for over six years, rarely have I come across a more pro-active company with a can-do attitude and a "nothing will beat us" culture. Within all aspects of the industry - Brass Balustrade, Stainless Steel Handrail, Bridges, Secondary Steel or plain and simple Portal Frames - their approach and attitude to delivering the same high quality project is always the same."
Questions clients ask us.
Sheet metal down to 0.7mm for architectural cladding and enclosures, through to heavy plate up to 25mm for structural brackets and base plates. Beyond 25mm we move into plate fabrication territory, which is handled from our structural steel workshop rather than the sheet metal shop. Thickness range is process-driven: laser cuts cleanly up to around 20mm; plasma handles heavier sections but with a wider kerf.
Both. Machine guarding panels, custom brackets, architectural features, and prototype components are all within the standard scope of work. Production runs of the same part are available where quantities justify setting up jigs. We will price either way and flag the relevant trade-offs on the quote.
In-house: brushed and mirror-polished stainless, PVD coating in brass/bronze/copper effects, grind-and-polish on weld seams. Through finishing partners: powder-coat to any RAL, hot-dip galvanising to BS EN ISO 1461, wet-paint systems, and anodising on aluminium. Galvanising and wet paint are coordinated externally and are not carried out in-house.
Recent project deep-dives.
Reclaimed Structural Steelwork Project London November 2025
Our mild steel workshop has been busy this week fabricating and welding the structural steelwork for a unique project we have on down in Lon...
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Stainless Steel Powder Coated Handrails with LED Lighting December 2025
Another successful project completed and handed over! ✅ 😘 Our client requested ourselves to supply and install the stainless steel p...
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Large Steel Construction and Erection Project London December 2025
We are proud to share that our team has successfully completed and installed another high-quality steelwork package right in the heart of Lo...
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