Stelweld

What Stelweld does

Stelweld Sp. z o.o. is a privately held Polish contract manufacturer of complex welded structures, headquartered in Jelcz-Laskowice, Poland, operating with a headcount of 501-1000 employees. The company serves four primary industrial verticals — automotive (bus and commercial vehicle), railway, lifting and handling equipment, and construction equipment — and exports finished and semi-finished welded assemblies across Europe (Sweden, Germany, France, Spain, Italy, Belgium, Netherlands, UK) as well as to North America (USA, Canada) and South America.

The company operates an integrated, end-to-end production chain spanning laser cutting of sheets and profiles, metal forming, robotic and manual welding (MAG, TIG, projection, SAW, CMT), CNC machining on gantry mills, painting (cataphoretic KTL, powder coating, wet painting), and final assembly. A 2019 Industry 4.0-compliant cataphoretic paint shop handles parts up to 2500x3000x1200mm at 1200kg per batch with 1000-hour salt chamber corrosion resistance. A Research and Development Center, operational since January 2023 and built with up to PLN 7.5M in EU co-funding, provides design, FEM engineering analysis, prototyping, testing, and serial production implementation. Product offerings include mobile vehicle components (axle frames, door and roof frames, dashboards), construction equipment attachments (buckets, forks, booms), and industrial tanks (oil, fuel, combination tanks).

The business model is B2B contract manufacturing sold through direct enterprise sales engagement at quote-based pricing with no public price disclosure. Revenue derives from serial production of OEM-spec welded components supplemented by manufacturing services (laser cutting, painting, machining, assembly) on a custom basis. The company holds a dense certification stack — IATF 16949, ISO 9001, ISO 14001, ISO 3834, EN 15085-2 CL1, DIN 2303, an Internal Control System certificate, and a 2025 MSWiA concession — which qualifies it as a tier-1 supplier in automotive and rail OEM supply chains and, increasingly, in defense-adjacent classified work. Ownership is private/founder-controlled with registered share capital of PLN 1,150,000 and no disclosed institutional or strategic investors.

Name

Stelweld

Legal name

Stelweld Sp. z o.o.

Website

https://stelweld.com.pl

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Stelweld is a privately held Polish contract manufacturer of complex welded structures serving automotive, railway, lifting equipment, and construction equipment OEMs, with integrated production from laser cutting through painting plus an in-house R&D Center and exports across Europe, North America, and South America.

Ownership category

akta.pro rank

Product category

Welded Structure Manufacturing

NAICS

Fabricated Structural Metal Manufacturing (332312), Coating, Engraving, Heat Treating, and Allied Activities (3328)

SIC

Fabricated Structural Metal Products (3440), Coating, Engraving & Allied Services (3470)

akta.pro primary industry

Structural Steel Fabrication (IMADACAA)

akta.pro secondary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

Keywords

• Welded structural components
• Contract metal manufacturing
• Automotive welding fabrication
• Railway welding certification
• Construction equipment fabrication

Headquarters

HQ city

Laskowice

HQ country

Poland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Welded Product Manufacturing: Production and supply of comprehensive welded products including structural components for automotive, railway, lifting/handling, and construction equipment industries. Services include design, prototype production, implementation, serial production, quality control, logistics, and after-sales service.
2. Contract Manufacturing Services: Providing manufacturing services for external customers including painting (cataphoretic, powder coating, wet painting) and machining operations.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Stelweld is a Polish contract manufacturer specializing in complex welded structural components and OEM parts for the automotive, railway, lifting/handling, and construction equipment industries. The company operates an end-to-end production process spanning design, prototyping, serial production, quality control, logistics, and after-sales service, with in-house capabilities covering laser cutting, metal forming, robotic and manual welding, CNC machining, painting (cataphoretic, powder, wet), and final assembly.

Product overview

Stelweld is a contract manufacturer specializing in comprehensive welded products for the automotive, railway, lifting and handling, and construction equipment industries. The company operates as a single unified offering combining design, prototype production, serial production, quality control, logistics, and after-sales service. The product portfolio includes mobile vehicle components (frames for axles, doors, roofs, dashboards), construction vehicle attachments (buckets, forks, booms), and industrial tanks (oil, fuel, combination). Manufacturing capabilities span six core processes: laser cutting of sheets and profiles, plastic processing (bending), robotic and manual welding, CNC machining, painting (cataphoretic, powder, wet), and assembly. A dedicated Research and Development Center provides engineering analysis, prototype construction, testing, and technology development services to support product innovation.

Differentiator

Problem solved

Functional benefit

Products and services

• Mobile Vehicles Components Welded structural components for mobile vehicles, including rear axle frames, front door frames, roof frames, dashboard frames, front axle frames, side frames, and center axle frames for automotive and bus manufacturers.
• Construction Vehicles Components Welded attachments and structures for construction equipment including buckets with teeth, standard buckets, fork carriages, tool boxes, booms, grading buckets, and 4-in-1 buckets.
• Industrial Tanks Welded steel tanks for industrial applications including oil tanks, fuel tanks, and combination oil-fuel tanks.
• Laser Cutting of Sheets and Profiles Laser cutting manufacturing service providing precise cutting of sheets of various thicknesses, plates, and profiles using innovative machines for complex and accurate material processing.
• Metal Forming / Plastic Processing Metal forming and bending services using advanced systems to produce complex shapes in a precise and repeatable manner from steel sheet plates.
• Robotic and Manual Welding Welding manufacturing service using MAG, TIG, projection welding, SAW (submerged arc), and CMT methods, performed by nearly 200 certified welders with robotic and manual welding capabilities.
• CNC Machining High precision CNC machining services including large-scale CNC milling on gantry milling machines, CNC and manual milling, CNC and manual turning, drilling, and tapping/threading.
• Painting Services Comprehensive painting services including cataphoretic painting (e-coating) with 16-bath immersion process, powder coating on manual and automatic lines, and wet painting with preparation processes such as shot blasting, pickling, and phosphating.
• Assembly Final assembly services for welded structures performed by qualified employees with appropriate equipment to ensure reliability and precision.
• Research and Development Center Services Comprehensive R&D services enabling testing of various parameters of metal elements, subassemblies, and constructions. Services include requirements analysis, design, computer engineering analysis (FEM), prototype construction, research and testing, technology development, and implementation into serial production.

Quantifiable outcome

• Cataphoretic coating achieves 15-45um thickness with 1000 hours salt chamber corrosion resistance
• +4 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Regional players

• Cognor Holding: Polish steel products and fabricated metal components group serving automotive, construction, and equipment manufacturers. Comparable by geography and contract metal-fabrication business model, though more upstream in steel production.
• Voortman Steel Machinery: Dutch manufacturer of steel processing and welding machinery plus structural steel fabrication services. Comparable in heavy welded structure capability, with focus on Western European markets similar to Stelweld's export geographies.
• Stalprodukt: Polish manufacturer of cold-rolled electrical steel and welded steel sections for industrial applications. Comparable Polish contract metal-fabrication footprint serving similar B2B OEM customers in construction and transport.

Broad incumbents

• Peddinghaus: German manufacturer of CNC steel processing and welding systems plus structural fabrication services. Overlaps with Stelweld's heavy welded structure fabrication activity, particularly in construction and industrial equipment.
• SSAB: Nordic specialty steel manufacturer with downstream fabrication and heavy welded plate components for construction, lifting, and rail equipment. Comparable in end-market exposure and welded structural capability, but operates at far greater scale.
• Voestalpine Steel & Service Centers Group: Austrian steel and automotive components conglomerate with significant welded structural component operations for rail, commercial vehicles, and construction equipment. Much larger and more diversified but overlaps in serial-production welded assemblies.

Direct peers

• Welser Profile: Austrian manufacturer of special steel sections and welded profile components serving automotive, construction equipment, and industrial customers. Closely comparable in the welded steel component business model with multi-vertical industrial exposure.
• Kirchhoff Automotive: German Tier-1 automotive supplier of complex welded and hydroformed structural components for OEMs. Directly comparable to Stelweld in automotive welded structures, multi-certification footprint, and B2B serial production model — though typically larger and OEM-anchored.
• Zeman Bauelemente: Austrian fabricator of welded steel structural components for construction, industrial, and transport applications. Closely comparable mid-sized European contract manufacturer with similar serial-production and certification-driven B2B model.

Others

• Hempel (Industrial Coatings): Global industrial coatings manufacturer. Comparable to Stelweld's in-house cataphoretic/powder/wet painting capability, with overlap in corrosion-protection finishing for structural steel components.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/watch?v=Pow1pkSQVyg
• Facebookpl-pl.facebook.com/people/Stelweld/100063329733046
• LinkedInlinkedin.com/company/stelweld-sp.-z-o.o.
• TikToktiktok.com/@stelweld

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

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 Stelweld