Kelag Ag

Name

Kelag Ag

Legal name

Kelag Systems AG

Website

https://kelag-ag.ch

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Industrial Piping & Welding Services

NAICS

Fabricated Pipe and Pipe Fitting Manufacturing (332996), Metal Tank (Heavy Gauge) Manufacturing (33242), Other Metal Valve and Pipe Fitting Manufacturing (332919)

SIC

Special Industry Machinery (No Metalworking Machinery) (3550), Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Oilfield Equipment Manufacturing & Supply (Wellheads, BOPs, Surface Equipment) (EUALABAL)

Keywords

• Industrial piping systems
• Welding fabrication services
• Pressure pipeline construction
• Steel water construction
• Plant engineering services

Headquarters

HQ city

Walenstadt

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Project-Based Engineering and Construction Services: Complete system solutions including engineering, fabrication, assembly, and maintenance for piping systems, pressure pipelines, and steel water construction. Revenue generated through project contracts with custom specifications.
2. Manufacturing and Fabrication: Production of pipes, fittings, pressure vessels, reactors, tanks, heat exchangers, and specialized equipment in own workshops. Includes cutting, welding, surface treatments, and mechanical processing.
3. Personnel Leasing and Contract Welding: Lohnschweissarbeiten and Personalverleih - providing skilled welding personnel and contract welding services to other companies.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Kelag Systems AG is a Swiss welding specialist that delivers complete piping system solutions from a single source. The company provides engineering, in-house manufacturing in own workshops (cutting, welding, CNC pipe bending, surface treatment), and on-site assembly for industrial and infrastructure clients. Its portfolio covers pipeline construction, pressure pipelines, steel water construction, plant and special plant construction, and container/apparatus construction for sectors such as hydroelectric power, district heating, water supply, and industrial manufacturing.

Product overview

Kelag Systems AG is a Swiss welding specialist company offering integrated system solutions from a single source. The company provides a comprehensive portfolio of services organized as interconnected offerings: Engineering services (Basic through Detail Engineering, FE calculations), Factory Manufacturing (weld preparation, CNC pipe bending, surface treatments, mechanical processing), and on-site Services (personnel leasing, contract welding, retrofits). These core capabilities support specialized divisions including Pipeline Construction (for industry and infrastructure), Pressure Pipeline Construction (for hydroelectric power plants), Steel Water Construction and Armorings (gates, dams, weirs), Plant and Special Plant Construction (fuel systems, lubrication, gas shut-off), Container and Apparatus Construction (reactors, tanks, pressure vessels), and Construction Site Assembly. The company manufactures in its own workshop halls and provides installation either in-house, at customer facilities, or on construction sites.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering
• Werksfertigung (Factory Manufacturing)
• Dienstleistungen und Services
• Rohrleitungsbau (Pipeline Construction)
• Stahlwasserbau und Panzerungen (Steel Water Construction and Armorings)
• Fertigeinheiten, Anlagen- und Spezialanlagenbau (Complete Units and Special Plant Construction)
• Behälter- und Apparatebau (Container and Apparatus Construction)
• Druckrohrleitungsbau (Pressure Pipeline Construction)
• Baustellenmontage (Construction Site Assembly)

Named customers9 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Jörimann GruppecoreStrategic or Co-development PartnerKelag Systems AG is a company within the Jörimann Gruppe (Jörimann Group). The group comprises multiple companies specializing in industrial services, with Kelag Systems serving as the specialist in welding technology and piping systems solutions.

Scale indicators1 record

Recent moves4 records

Expansion highlights4 records

Direct peers

• Butting Group: German manufacturer of longitudinally welded stainless steel pipes, pipe spools, and pressure vessels — directly comparable to Kelag's welded piping and vessel fabrication business for industrial/process plant customers.
• Josef Muff AG: Swiss metal-construction, apparatus, and pipeline fabrication specialist. Most directly comparable domestic peer — similar Swiss Mittelstand scale, welding-centric, serving industrial and infrastructure clients with in-house manufacturing.
• Eisenwerk Würth GmbH: Specialist German fabricator of pressure vessels, apparatus, and complex welded assemblies — directly comparable to Kelag's Behälter- und Apparatebau (reactors, tanks, pressure vessels, columns, heat exchangers) and project welding capabilities.

Broad incumbents

• ANDRITZ AG: Austrian supplier of large-scale hydroelectric plants, penstocks, and pumps. Comparable at the project level where Kelag fabricates pressure pipelines/penstocks for hydropower customers such as Kraftwerk Schils and Realp II.
• Linde Engineering: Process-plant EPC contractor building refineries, gas processing, and chemical plants — comparable to Kelag's industrial plant piping, apparatus, and special-plant construction capabilities at much larger project scale.
• Babcock & Wilcox: Designer and manufacturer of industrial boilers, heat exchangers, and pressure vessels — directly comparable technology to Kelag's heat-exchanger, reactor, and pressure-vessel fabrication work.
• Sulzer Ltd: Swiss industrial group providing pumps, process equipment, and related engineered solutions — overlaps with Kelag's industrial/infrastructure process-equipment work, including applications in water, energy, and hydrocarbons.
• Voith GmbH: Global technology group with strong hydropower business (turbines, generators, penstocks). Comparable to Kelag in the hydro penstock fabrication and pressure-pipeline construction space, though at substantially larger scale.
• MAN Energy Solutions: Provider of large-bore diesel and gas engines, turbochargers, and process equipment for power and industrial markets — comparable to Kelag in supplying high-pressure fuel and gas systems (e.g., Gasturbine Birr fuel-injection project).
• Georg Fischer AG: Swiss-listed leader in piping systems for industrial, utility, and process applications. Broad incumbent serving overlapping customer segments (water, gas, district heating, industrial) with a much larger global footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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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 Kelag Ag