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A family firm since 1994

Steel Fabrication in Leeds.

Leeds runs one of the largest commercial and build-to-rent regeneration programmes in the North, and that work needs architectural and structural steel fabricated to a high finish. We design, fabricate to BS EN 1090 and install with our own directly employed teams.

30 +
Years Trading
1,200 +
Projects Delivered
UK
Wide Coverage
- Leeds A family firm Steel Fabrication
Fully accredited and independently assessed
Accredited

Accredited for design, fabrication and installation, with the paperwork to prove it.

  • BS EN 1090 Execution Class 2, UKCA marked: the execution class your engineer's design legally has to be fabricated to.
  • Coded welders, BS EN ISO 9606: every structural weld made by an approval-tested welder, traceable on the documentation.
  • ISO 9001 quality management: a quality system audited end to end, not a badge on a footer.
  • CHAS Elite, SafeContractor & ConstructionLine Gold: the pre-qualification pack your procurement team lifts straight into a PQQ.
  • GBP 10m public and GBP 10m employers liability: published figures, because your procurement team needs them on file.
  • Directly employed, CSCS-carded site teams: the people on your site are ours, not subcontracted, so one team owns the result.
Accredited for design, fabrication and installation, with the paperwork to prove it.
HQ Workshop Hellaby · Rotherham
How it works

Your steel fabrication from brief to installed, in four stages.

01

Survey & quote

A free site visit anywhere in Leeds. Drawings, access and specifications logged. Same-day quote on small domestic steel fabrication enquiries; 1-2 weeks on large commercial tenders with a full take-off.

02

Design & fabricate

Detailed, fabricated and finished at our Hellaby workshop under BS EN 1090 Execution Class 2. QA pack, mill certs and traceability documentation ready before delivery.

03

Deliver & coordinate

We schedule delivery to your Leeds site on our own transport, around your access windows and site programme, not third-party haulage timetables.

04

Install on site

CSCS-carded site crew with own MEWPs. Full RAMS pack, as-built drawings and 12-month defect liability at handover.

What steel fabrication means at UIS

Specialist capabilities, fabricated in-house.

01

CNC, laser, and coded welding capability

CNC machining and laser-profile cutting for dimensional accuracy; MIG, TIG, MMA, and flux-cored welding by coded welders individually qualified to BS EN

02

Around 100 tonnes a month realistic throughput

Average monthly throughput around 100 tonnes. That's mid-range by sector - comfortable with packages up to roughly a month's throughput in one

03

Own transport, own erection

JIT delivery on our own flatbeds to your site access window, then erection by our crew with lift plans from our in-house

Why UIS

What we bring to every project.

The same standards, capacity and accountability on every job, wherever the site.

  • 100+ Tonnes fabricated each month
  • 30+ Years in business (est. 1994)
  • BS EN 1090 Execution Class 2, UKCA marked
  • GBP 10m Public and employers liability cover
  • 12-month Defect liability on every install
  • In-house Directly-employed CSCS crews, no subcontracting
Where we work

Areas we cover around Leeds.

Tap a postcode for a quick note on the area plus a map. We cover the wider region and install UK-wide, tell us your postcode.

LS1

Leeds City Centre

City-core fabrication is architectural and fit-out: dressed handrails, feature canopies and mezzanine void-edge steel for the commercial office stock. We finish these off-site to avoid welding inside clad envelopes.

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More in Leeds

Other services we offer in Leeds.

We do more than steel fabrication in Leeds. Same directly-employed teams, same BS EN 1090 workshop, on every service below.

Examples

Project & sample images.

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Client reviews
Sir Robert McAlpine logo

"I've worked with UIS for several years on some high profile and very complex projects. Their attitude and work ethic are second to none - providing high quality services and products which are delivered safely and on time every time. Overall they are a pleasure to do business with and wouldn't hesitate recommending UIS for any steelwork or metalwork packages."

Stuart Bale
Sir Robert McAlpine
Start to finish

One team, from drawing to installed.

Leeds fabrication spans architectural steel for city-centre and build-to-rent schemes and heavier mezzanine and platform steel for the Aire Valley. We design, fabricate and install in-house, and stay on for the aftercare.

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Common questions

FAQs

Yes. We work across Leeds and beyond, with our own design, fabrication and installation teams.

Yes. The South Bank and central Leeds build-to-rent schemes need feature staircases, balcony steel and support framing to a clean finish. We fabricate these with coded welders to the architect's detail and install them on constrained city plots.

Yes. The Aire Valley industrial units around Hunslet and Holbeck need mezzanine floors, platforms and racking-support steel. We design, fabricate and install these in-house with our own teams.

Yes. We design, fabricate to BS EN 1090, and install structural steel and bespoke metalwork with our own directly employed teams, so one team owns the project from drawing to handover, and the aftercare that follows.

BS EN 1090 Execution Class 2 with UKCA marking, ISO 9001, CHAS Elite, SafeContractor and ConstructionLine Gold, backed by GBP 10m public and GBP 10m employers liability.

Across Yorkshire

We work right across Yorkshire.

See our full steel fabrication coverage across Yorkshire, or jump to a nearby area below.

Find us

Based in Rotherham. Delivering UK-wide.

Our workshop, offices and fabrication bays all sit at a single Rotherham site. Everything is fabricated in-house and delivered on our own transport to project sites across the UK.