Severfield

What Severfield does

Severfield plc is the UK's largest structural steel specialist, publicly listed on the London Stock Exchange (LON:SFR) with FY26 revenue of £454.3 million. The company provides end-to-end structural steel services — connection design, fabrication, and erection — for technically demanding construction projects across stadia and leisure (Tottenham Hotspur, Everton Bramley-Moore, Wimbledon No.1 Court), commercial offices (22 Bishopsgate, 105 Victoria Street), nuclear infrastructure (Sellafield SRP and SAV facilities), transport (Network Rail), film studios (Pinewood, Sky Studios Elstree), and, increasingly, offshore wind (Ørsted Hornsea 3, SeAH Wind monopile facility). Its technology stack centres on large-scale fabrication across multiple UK and European plants supplemented by proprietary products Seversafe (temporary edge protection) and Fabsec (plate girders). The group operates through wholly-owned UK subsidiaries (Commercial & Industrial, Nuclear & Infrastructure, Infrastructure, Modular Solutions), Dutch entities (Europe BV, Steel Construction Netherlands BV, De Haven BV), and a 50/50 Indian joint venture, JSW Severfield Structures Ltd (JSSL), with JSW Steel.

Revenue is generated through competitive tendering on a project-by-project basis, with no standard pricing tiers and no public rate cards. The go-to-market motion is enterprise field sales targeting main contractors, developers, and government/regulated buyers through competitive tendering, with Severfield typically engaged as a specialist subcontractor. FY26 underlying profit before tax fell 42% to £10.5 million and operating margin compressed to 2.8% from 4.8%, reflecting adverse UK/European construction markets and project mix weighted toward lower-margin work. The board has launched a strategic transformation programme targeting £40-50 million PBT at 7-8% operating margins over the medium term, pivoting toward higher-margin, more complex selective projects across geographies. The India JV is the standout performer, delivering record profit of £7.8 million on 125,000 tonnes of output and a record £344 million order book, and a Gujarat facility expansion is on schedule. Net debt of approximately £28 million is materially below market consensus of £48.5 million, indicating disciplined cash management through the downturn.

Name

Severfield

Legal name

Severfield plc

Website

https://severfield.com

Company type

Public

Founded year

1978

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Severfield plc is the UK's largest structural steel specialist, providing design, fabrication, and erection services for stadia, commercial, nuclear, transport, and offshore wind projects across the UK, Europe, and a 50/50 Indian joint venture with JSW Steel.

Ownership category

akta.pro rank

Product category

Structural Steel Construction

NAICS

Fabricated Structural Metal Manufacturing (332312)

SIC

Fabricated Structural Metal Products (3440)

akta.pro primary industry

Structural Steel Fabrication (IMADACAA)

akta.pro secondary industry

Bridge & Infrastructure Steel Components (IMADACAL)

Keywords

• Structural steel fabrication
• Steel construction services
• Nuclear steelwork
• Stadia steel structures
• Bridge steelwork

Headquarters

HQ city

Thirsk

HQ country

United Kingdom

HQ region

Europe

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Others

Revenue model

1. Structural Steel Construction Services: Project-based revenue from design, fabrication, and erection of structural steelwork for construction projects. Revenue is generated through competitive tendering for large-scale construction contracts across diverse sectors including stadia, commercial, nuclear, bridges, transport, and industrial projects.
2. India Joint Venture (JSSL): Joint venture with JSW Steel generating revenue from structural steel fabrication and erection in the Indian market. JSSL delivered record profit of £7.8 million on 125,000 tonnes of output, with a record order book of £344 million.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Severfield is the UK's largest structural steel specialist, providing end-to-end design, fabrication, and erection of structural steelwork for large-scale construction projects. Its portfolio spans stadia and leisure venues, high-rise commercial buildings, nuclear facilities, transport infrastructure, bridges, industrial facilities, and offshore renewables. The company also offers two proprietary in-house products: Seversafe (a temporary edge protection safety system) and Fabsec (specialist plate girders).

Product overview

Severfield is a structural steel construction company offering a portfolio of proprietary products and comprehensive steel fabrication services. The core products include Seversafe (temporary edge protection system) and Fabsec (plate girders), which complement their full-service structural steel design, fabrication, and erection capabilities. The company operates across diverse sectors including stadia and leisure, industrial, bridges, transport infrastructure, nuclear, commercial, education, power and energy, defence, and distribution.

Differentiator

Problem solved

Functional benefit

Brands

• Seversafe: In-house temporary edge protection system
• Fabsec

Products and services

• Seversafe An in-house temporary edge protection safety system designed to enhance worker safety during construction activities, providing fall protection for workers at height. Used on Severfield's own projects and offered as a proprietary product.
• Fabsec Specialist in-house manufactured plate girders supplied as part of Severfield's structural steel package offerings for various construction projects.
• Structural Steel Design, Fabrication and Erection Services End-to-end structural steel services from connection design through fabrication to on-site erection for large-scale construction projects in the UK, Europe, and India. Targets main contractors, developers, and government clients.
• Nuclear-Grade Seismic Structural Steelwork Specialist nuclear-grade seismic structural steelwork for decommissioning and processing facilities at Sellafield and other NDA-regulated nuclear sites. Includes stainless steel fabrication and full seismic design with earthquake ground motion simulation capability.
• Offshore Wind Steel Components Manufacture, assembly, and commissioning of offshore wind components including boat landings, ladders, anode cages, and supported internal platforms (SIPs) for offshore wind farm projects.
• India Structural Steel Services (via JSW Severfield Structures Ltd) Structural steel design, fabrication, and erection services for the Indian market, delivered through the JSW Severfield Structures Ltd (JSSL) joint venture with JSW Steel.

Quantifiable outcome

• India JV profit jumped from £0.3 million to £7.8 million with output nearly doubled to 125,000 tonnes
• +2 more outcomes

Named customers15 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Seven partnerships are on record, tiered minor, flagship and core.

• EvolveminorStrategic or Co-development Partner · 17 March 2026Shared apprenticeship scheme partnership with Evolve, a registered social enterprise specialising in creating employment pathways for young people across London. The scheme allows apprentices to work across multiple Severfield sites in London, gaining diverse skills and site experience while supporting delivery on short-term projects and clients' Section 106 commitments.
• ØrstedflagshipStrategic or Co-development Partner · 13 December 2024Contract award for Hornsea 3 offshore wind farm (world's biggest offshore wind farm, 2.9 GW, up to 231 turbines). Severfield will manufacture, assemble, and commission boat landings, ladders, anode cages, and supported internal platforms (SIPs). Working alongside Hutchinson Engineering as strategic key contractor. Set up a bespoke temporary final assembly facility in Teesside near the SeAH monopile factory.
• Hutchinson EngineeringcoreStrategic or Co-development Partner · 13 December 2024Strategic key contractor partner for the Hornsea 3 offshore wind farm project. Hutchinson Engineering collaborates with Severfield on the manufacturing, assembly, and commissioning of offshore wind components including boat landings, ladders, anode cages, and SIPs.
• JSW Steel (JSW Severfield Structures Ltd)coreStrategic or Co-development PartnerJoint venture partnership with JSW Steel (India's leading steel manufacturer) operating as JSW Severfield Structures Ltd (JSSL). JV delivered record performance in FY26 with profit jumping to £7.8 million from £0.3 million, tonnage output nearly doubled to 125,000 tonnes, and order book reached a record £344 million. The Gujarat facility expansion is on schedule, and India operations are a key growth pillar of the company's strategic transformation.
• Sir Robert McAlpinecoreImplementation/ SI/ Consulting PartnerMain contractor partnership on the London Museum project at Smithfield. Sir Robert McAlpine led construction with Severfield providing 600 tonnes of steel including Fabsec plate girders for the £437 million cultural redevelopment.
• Tech-TakebackminorOthersSocial enterprise partnership for technology reuse and digital inclusion as part of the London Museum project community legacy. Five laptops donated to local young adults facing long-term unemployment.
• Martin House Children's HospiceminorOthersCharitable partnership with Martin House Children's Hospice. Severfield has raised over £60,000 over five years to support the hospice's vital care services for children and families.

Scale indicators13 records

Recent moves8 records

Expansion highlights5 records

Emerging players

• Bladt Industries: Danish manufacturer of offshore wind foundations and transition pieces. Comparable as Severfield expands into offshore wind component supply at Teesside.
• Smulders: Belgian/Dutch fabricator of offshore wind foundations and large steel structures. Direct comparable for Severfield's Ørsted Hornsea 3 and SeAH monopile offshore wind work.

Direct peers

• Caunton Engineering: Mid-sized UK structural steelwork fabricator competing for commercial, industrial and infrastructure projects. Comparable on product, customer base and tender-driven commercial model.
• Billington Holdings: UK-listed structural steel fabrication contractor serving the same end markets (commercial, industrial, stadia, bridges). Closest direct comparable on scale, geography, and project-based tendering model.
• BHC Steel (BHC Limited): Scottish structural steel fabricator with comparable project portfolio across stadia, commercial and industrial sectors. Direct peer for UK tendered work.
• DSSI (formerly Dutton Engineering): UK-based structural steel contractor serving commercial, retail and industrial construction. Direct competitor for fabrication and erection contracts in Severfield's core UK market.
• William Hare Group: Privately held UK structural steel fabricator with strong nuclear and commercial hi-rise track record (e.g., 22 Bishopsgate as Severfield rival). Direct competitor for large complex UK contracts.

Broad incumbents

• Voestalpine Stahlbau / voestalpine Steel & Construction: Austrian-based global steel group with a structural steel construction division. Broad incumbent competitor for large complex European projects.
• Tata Steel UK: Vertically integrated UK steel producer that supplies plate and structural sections into Severfield's fabrication supply chain and competes on certain integrated tenders. Broad incumbent rather than direct peer.

Others

• Kloeckner Metals UK: Major European metal distribution and processing chain servicing steel fabrication contractors. Adjacent/supply-chain participant relevant for steel sourcing dynamics rather than direct competition.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCdH9qLWklV CzT5q4gTQbPKg
• LinkedInlinkedin.com/company/severfield-plc
• Xx.com/severfieldplc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries10 records

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A3 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Severfield