What GS STAALWERKEN GROEP does

GS Staalwerken Groep is a privately held Dutch steel construction group headquartered in Helmond, Netherlands, operating through four wholly owned subsidiaries — GS Staalwerken Helmond (utility construction), GS Staalwerken Gerwen (steel stairs), GS Birkhoff Staalwerken (traffic portals and infrastructure), and Moeskops Staalbouw (special custom constructions) — plus a Bladel production facility. The company provides end-to-end structural steel services including engineering, production, corrosion protection (conservering), and on-site assembly for distribution centers, logistics halls, offices, public facilities, bridges, highway traffic portals, and architectural steelwork. Core technical capabilities center on BIM-enabled workflows using Tekla Structures, Revit, and ConstruSteel for quantity takeoff and cost calculation, combined with automated fabrication where appropriate. The group employs roughly 220 FTE across five Dutch locations plus international operations in Belgium and Poland, and holds EN 1090-1/-2 EXC4 (highest execution class), ISO 9001, ISO 14001, ISO 3834-2, VCA, and FSC certifications.

The business model is project-based: GS Staalwerken operates exclusively as a B2B subcontractor, winning work through competitive tenders and engaging early in pre-tender phases to provide engineering input and cost estimates to main contractors (aannemers), project developers (projectontwikkelaars), and building firms (bouwbedrijven). Pricing is quote-based per project, with no public price lists, and the firm has demonstrated large-scale execution including 990 tons installed in 9 weeks (LC Packaging), 3,600 tons in ~2 months (Polanenpark datacenter), 5,100 tons in 12 weeks (BIC Eindhoven), and 35 traffic portals over a 40+ km highway (A1 Apeldoorn-Azelo). Customer base spans construction, packaging, banking, education, food, real estate, and public infrastructure, with notable clients including Cosimco, Heijmans, Hercuton, ING Bank, Fontys Hogescholen, and Coöperatie DOOR. Marketing is conducted via project portfolio case studies, industry association participation (Samenwerkende Nederlandse Staalbouw, Bouwen met Staal), and direct employer branding. Founded in 1966 by Geert Smulders, the company was family-controlled for 44 years, briefly part of Bencis Capital's Smulders Groep in 2010, then re-acquired by Smulders in 2011 and rebranded to GS Staalwerken Groep; the founder passed away in 2019 and the group continues under family-led management.

Name

GS STAALWERKEN GROEP

Legal name

GS Staalwerken Holding B.V.

Website

https://gsstaalwerken.com

Company type

Private

Founded year

1966

Operating status

Operating

Headcount range

251–500 employees

Short description

GS Staalwerken Groep is a privately held Dutch steel construction group providing end-to-end engineering, production, and assembly of structural steel for distribution centers, infrastructure, stairs, and custom builds, serving main contractors and developers across the Netherlands, Belgium, and Poland.

Ownership category

akta.pro rank

Headquarters

HQ city

Helmond

HQ country

Netherlands

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Steel Construction Projects: Revenue is generated through one-time project-based contracts as a subcontractor to construction companies, developers, and building firms. Projects range from simple distribution halls to complex special constructions, with pricing determined through detailed cost calculations and tender processes.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

GS Staalwerken Groep is a Dutch steel construction subcontractor that delivers end-to-end steel structure solutions, from engineering and 3D modeling through production, corrosion protection, and on-site assembly. The group operates four specialized divisions covering utility construction (distribution centers, industrial halls, offices), steel stairs, traffic portals for highway infrastructure, and bespoke special constructions.

Product overview

GS Staalwerken Groep is a steel construction group offering total solutions from engineering to assembly. The group operates through multiple specialized divisions: GS Staalwerken Helmond handles utility construction (distribution centers, industrial halls); GS Staalwerken Gerwen specializes in steel stairs; GS Birkhoff Staalwerken focuses on traffic portals for infrastructure; and Moeskops Staalbouw creates special custom constructions. The company provides end-to-end services including design, production, conservation, and assembly of steel structures for various sectors including commercial construction, infrastructure, and specialized architectural projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Utiliteitsbouw (Utility Construction) Complete steel structures for non-residential buildings including logistics centers, industrial halls, offices, and public facilities, with project sizes ranging from 5 to 5,000 tons of steel. Delivered to general contractors and project developers as a full engineering, production, and assembly service.
• Stalen Trappen (Steel Stairs) Manufactured steel stairs in various executions including design stairs, industrial stairs, fire escapes, spiral stairs, and floating stairs, using steel and stainless steel with optional wood treads and glass balustrades. Produced by GS Staalwerken Gerwen for utility buildings, offices, and distribution centers.
• Verkeersportalen (Traffic Portals) Highway traffic portals that carry traffic signs, cameras, and matrix boards, supplied both as new constructions and as reusable renovation portals. Produced by GS Birkhoff Staalwerken in Oude-Tonge for highway authorities and main contractors.
• Speciale Constructies (Special Constructions) Bespoke steel constructions and architectural highlights requiring specialized expertise, including bridges, metro stations, and landmark structures. Delivered by Moeskops Staalbouw for complex custom steel projects.

Quantifiable outcome

• 990 tons of steel installed in 9 weeks for LC Packaging distribution center
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered minor.

• Dutch Studwelding ServicesminorImplementation/ SI/ Consulting PartnerConstruction partner for the Polanenpark datacenter project. Dutch Studwelding Services served as the welding specialist, welding 50,000 studs onto floor beams in collaboration with GS Staalwerken.
• Samenwerkende Nederlandse Staalbouw (SNS)minorOthersIndustry association grouping approximately 100 steel construction companies across five regional associations (SNS Intra, SNS Noord, SNS Oost, SNS Zuid, SNS West). GS Staalwerken participates through this industry body.
• Bouwen met StaalminorOthersIndustry organization active in promotion, advice, knowledge transfer, and research for steel use in construction. Activities include training, courses, seminars, design tools, publications, and the National Steel Prize.

Scale indicators7 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Victor Buyck Steel Construction: Belgian structural steel contractor delivering bridges, industrial buildings, and architectural steel projects across the Benelux. Comparable in execution class capability, complex project references, and client mix.
• ASK Romein Steel Construction: Dutch steel construction group with multiple sites in the Netherlands, offering integrated engineering, production, and assembly of steel structures for utility, industrial, and infrastructure projects. Directly comparable in scale, service model, and customer base to GS Staalwerken.
• Iemants: Belgian steel construction specialist (now part of Smulders group) producing heavy structural steel for industrial plants, infrastructure, and offshore-related projects. Highly comparable in service scope and geographic footprint to GS Staalwerken.
• Hollandia Structures: Long-standing Dutch steel construction company producing structural steel for bridges, buildings, and infrastructure. Operates in comparable Benelux markets with similar integrated engineering-fabrication-assembly capabilities.
• Smulders: Direct successor of the original Smulders Groep from which GS Staalwerken was carved out in 2011. Active in heavy steel construction, offshore foundations, and industrial projects across Benelux; comparable in heritage, certifications, and project scale.
• Voets Staalconstructie: Dutch steel fabricator and erector serving utility construction, industrial, and infrastructure clients in the Netherlands. Closely comparable in size, service offering, and subcontractor go-to-market.

Broad incumbents

• Permasteelisa Group: Italian-headquartered global leader in architectural steel and facade engineering. Overlaps in steel stairs, design stairs, and architectural metalwork but at much larger international scale.
• Wagenborg: Large Dutch group with steel construction, heavy lifting, and marine services. Comparable in heavy steel execution capability but operates at significantly larger scale across multiple verticals.

Others

• Royal HaskoningDHV (Engineering): Dutch engineering consultancy involved in structural design of buildings and infrastructure. Adjacent rather than competitive: GS provides fabrication while Royal HaskoningDHV provides upstream design specifications.

Regional players

• Hercuton: Dutch turnkey contractor for distribution centers and logistics real estate. Listed as a customer of GS Staalwerken but also a related competitor in the broader Dutch industrial-build supply chain.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/gsstaalwerkengroep
• LinkedInlinkedin.com/company/gs-staalwerken-groep-b-v-

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about GS STAALWERKEN GROEP