What Kärrberg Welding does

Kärrberg Welding AB is a Swedish private manufacturing company founded in 1992 and headquartered at Industrigatan 34 in Kristianstad. The company designs, constructs, and manufactures pressure vessels (tryckkärl) and heat exchangers (värmeväxlare) for both series production and single-unit orders. Its customers are Nordic process industry firms — both listed and mid-sized — across pharmaceutical, chemical, pulp and paper, and water treatment verticals, with named clients including Tetra Pak, SCA, AkzoNobel, Nordheat, Aqua-Nova, and Sofinn.

The technical offering is built around multi-method welding capability: orbital welding for pipe-to-tube-plate connections, plus TIG, MAG, and MIG welding across carbon steel, stainless steel, titanium, and special alloys. Quality assurance is performed in-house via boroscopy (optical inspection of internal welds), penetrant testing, and electropolishing surface treatment. The company holds EN certification for pressure vessel welding in the named material set, and partners with Ekström & Son Engineering for external review of new welding procedures.

Commercially, Kärrberg operates a direct, project-based B2B model: customers submit inquiries and receive custom quotes, with the VD (CEO Sven-Erik Olsson) serving as the primary relationship contact. Revenue streams include custom manufacturing, project management (including material procurement and Factory Acceptance Testing for pharmaceutical buyers), and repair/assembly services. The company is independently owned with no disclosed external investors, no parent company, and no subsidiaries. Public evidence of activity is consistent through 2024–2026, including a February 2024 orbital welding capacity expansion and project deliveries to chemical (March 2024, AkzoNobel), pharmaceutical (August 2025), and pulp (February 2026) customers.

Name

Kärrberg Welding

Legal name

Kärrberg Welding AB

Website

https://karrberg-welding.se

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

1–10 employees

Short description

Kärrberg Welding AB is a Swedish manufacturer founded in 1992 that designs and fabricates EN-certified pressure vessels, heat exchangers, and welded components for Nordic process industry clients including Tetra Pak, SCA, and AkzoNobel.

Ownership category

akta.pro rank

Product category

Industrial Pressure Vessels and Heat Exchangers

NAICS

Power Boiler and Heat Exchanger Manufacturing (332410), Fabricated Pipe and Pipe Fitting Manufacturing (332996)

SIC

Fabricated Plate Work (Boiler Shops) (3443), Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Welding, Joining & Soldering Equipment (Arc, Resistance, Friction, Brazing) (IMAHADAH)

akta.pro secondary industry

Industrial Furnaces, Kilns & Thermal Processing Equipment (IMAHAEAE)

Keywords

• Pressure vessel welding
• Heat exchanger manufacturing
• Industrial welding services
• Process equipment fabrication
• Orbital welding services

Headquarters

HQ city

Kristianstad

HQ country

Sweden

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Manufacturing: Design, construction and manufacturing of pressure vessels and heat exchangers for series production and single-piece manufacturing. Includes just-in-time and call-off deliveries.
2. Project Management Services: Complete project management including material procurement and Factory Acceptance Testing for pharmaceutical industry. Quality controls and inspections included.
3. Repairs and Assembly: Repair services and assembly work for pressure vessels and process equipment

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Kärrberg Welding designs, constructs, and manufactures custom pressure vessels and heat exchangers for Nordic process industry customers in pharmaceutical, chemical, pulp and paper, and water treatment sectors. The company provides EN-certified welding services (orbital, TIG, MAG, MIG) across carbon steel, stainless steel, titanium, and special alloys, complemented by surface treatment (electropolishing), quality inspection (borescopy, penetrant testing), project management, and Factory Acceptance Testing from its workshop in Kristianstad, Sweden.

Product overview

Kärrberg Welding is a manufacturing company offering a portfolio of industrial products and services focused on pressure vessel and heat exchanger construction. The core products include pressure vessels (tryckkärl) and heat exchangers (värmeväxlare), both available for series and single-unit manufacturing. These are complemented by comprehensive services including manufacturing, project management, welding methods (TIG, MAG, MIG, orbital welding), surface treatment (electropolishing), quality control (penetrant testing, boroscopy), and technical support. The company operates from their own workshop in Kristianstad, Sweden.

Differentiator

Problem solved

Functional benefit

Products and services

• Pressure Vessels (Tryckkärl) Custom-designed and manufactured pressure vessels for process industry applications in pharmaceutical, chemical, pulp and paper, and water treatment sectors. Available for series production and single-unit manufacturing, with EN-certified welding across carbon steel, stainless steel, titanium, and special alloys.
• Heat Exchangers (Värmeväxlare) Constructed and manufactured heat exchangers for process industry customers. Available for both series and single-unit production, with design support capabilities referenced by customer Nordheat.
• Manufacturing Services (Tillverkning) Construction and manufacturing of pressure vessels and heat exchangers at the company's own workshop in Kristianstad, Sweden. Supports just-in-time and call-off deliveries with an efficient organization.
• Project Management Services (Projektledning) Complete project management including material procurement, Factory Acceptance Testing for pharmaceutical industry customers, and quality controls including penetrant testing (PT).
• Welding Services Welding services including orbital welding, TIG, MAG, and MIG welding in standard and special steels for pressure vessel applications. Includes surface treatment (electropolishing) and optical weld inspection (borescopy).
• Technical Support Services Development of new welding procedures as needed, with collaboration with Ekström & Son Engineering for external review of welding procedures.

Quantifiable outcome

• Long-term customer relationships spanning 15+ years with key accounts
• +1 more outcomes

Named customers6 records

Segments2 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

Partnerships

One partnership is on record.

• Ekström & Son EngineeringminorImplementation/ SI/ Consulting PartnerExternal review partner for welding procedure development. Collaboration on new welding procedures when needed, providing third-party technical review services.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Alfa Laval: Global Swedish-headquartered leader in heat transfer, separation, and fluid handling — directly comparable to Kärrberg's heat exchanger work, but operates at vastly larger scale across multiple product lines worldwide.
• GEA Group: German multinational engineering group supplying process equipment including heat exchangers and separators to food, chemical, and pharmaceutical industries — overlapping customer base with Kärrberg in pharmaceutical and chemical process sectors.
• Chart Industries: US-based manufacturer of cryogenic and process heat transfer equipment — overlaps with Kärrberg's heat exchanger and pressure vessel offerings for industrial process customers.
• Kelvion: Specialist heat exchanger manufacturer serving power, chemical, oil & gas, and process industries — directly comparable product category (heat exchangers) but operates globally with much broader scope than Kärrberg.
• Babcock & Wilcox: Manufacturer of power boilers and heat exchangers for utilities and industrial customers — directly comparable in heat exchanger and pressure vessel fabrication, though far larger and US-centric.
• Sondex (part of Danfoss): Danish-based plate heat exchanger manufacturer serving HVAC, district heating, and process industries — Nordic regional peer comparable on heat exchanger technology and Nordic customer overlap.

Others

• Sandvik Materials Technology: Swedish-headquartered supplier of stainless steels, special alloys, and welding products — adjacent peer relevant because Kärrberg relies on certified alloys and welding consumables that Sandvik produces.
• ESAB Corporation: Global leader in welding and cutting equipment and consumables — adjacent peer as a supplier/upstream enabler for the welding processes Kärrberg performs in its fabrication work.

Emerging players

• Holtec International: US manufacturer of pressure vessels and heat exchangers for nuclear and industrial applications — comparable core fabrication capability in custom pressure vessels and heat transfer equipment.
• API Heat Transfer: Mid-sized specialty manufacturer of heat exchangers and thermal management products for industrial markets — comparable product mix to Kärrberg but with broader geographic reach.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Kärrberg Welding