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A family firm since 1994

Structural Steelwork in Sheffield.

Sheffield's move from historic steelmaking to advanced manufacturing and a regenerating centre keeps structural steel in steady demand, from new production bays to mixed-use frames. We design, fabricate to BS EN 1090 and install every frame with our own directly employed teams.

30 +
Years Trading
1,200 +
Projects Delivered
UK
Wide Coverage
- Sheffield A family firm Structural Steelwork
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 structural steelwork from brief to installed, in four stages.

01

Survey & quote

A free site visit anywhere in Sheffield. Drawings, access and specifications logged. Same-day quote on small domestic structural steelwork 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 Sheffield site on our own transport, around your access windows and site programme, not third-party haulage timetables.

04

Install on site

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

What structural steelwork means at UIS

Specialist capabilities, fabricated in-house.

01

Full structural package - primary and secondary

UB and UC primary frames, bracing, columns, purlins and rails, edge protection, plant decks, stair cores, and mezzanine steelwork. Fabricated to BS

02

In-house lift planning

Lifting plans are written in-house, by someone who knows how things actually work on the ground - the same team who planned

03

Tekla, BIM, and 3D-scan on retrofit

Tekla modelling, BIM coordination at LOD 300+, FEA where specified, and 3D site scanning on retrofit packages - the mezzanine floor at

04

Sector breadth on record

Tier-1 commercial, live retail refurbishment, live leisure, research and laboratory, and reclaimed structural steel.

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 Sheffield.

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.

S1

Sheffield City Centre

Sheffield's city-centre regeneration puts primary frames on tight plots above live retail. We sequence steel into agreed night windows and erect it with our own crews.

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More in Sheffield

Other services we offer in Sheffield.

We do more than structural steelwork in Sheffield. Same directly-employed teams, same BS EN 1090 workshop, on every service below.

Examples

Project & sample images.

← Drag / swipe to browse · click to expand →

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.

Sheffield jobs run from Lower Don Valley production units to tight city-centre plots, and both reward one accountable team over a split supply chain. We design, fabricate and install the whole package in-house, with the aftercare that follows.

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Common questions

FAQs

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

Yes. Frames in the regenerating city centre and university quarter are craned into restricted plots regularly. Our own Appointed Person writes the lift plan, we sequence steel around access windows and pedestrian routes, and our directly employed crews erect it.

Yes. The Lower Don Valley and Attercliffe corridor needs long clear spans for manufacturing and warehousing. We design and fabricate portal frames to BS EN 1090 Execution Class 2 and install them with our own teams and lifting plant.

Yes. We design, fabricate to BS EN 1090, and install structural steelwork 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 structural steelwork 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.