Start // Our business areas

Tången’s business areas

We own to
develop – long-term
and profitably

Tången’s business areas

We own to
develop – long-term and profitably

Tången owns platform companies and niche companies within selected industries and business areas – where we have deep knowledge, experience, and the ability to make a difference. Today, we operate within three business areas and are the main owner in companies with a history of profitability and healthy cash flows. This provides a solid foundation for long-term and resilient growth.

All our investments follow clear criteria and are made within the framework of our business areas. Through active ownership, we help already strong companies continue to grow – in a structured, profitable, and sustainable way.

Tången owns platform companies and niche companies within selected industries and business areas – where we have deep knowledge, experience, and the ability to make a difference. Today, we operate within three business areas and are the main owner in companies with a history of profitability and healthy cash flows. This provides a solid foundation for long-term and resilient growth.


All our investments follow clear criteria and are made within the framework of our business areas. Through active ownership, we help already strong companies continue to grow – in a structured, profitable, and sustainable way.

How Our Companies Operate

All our companies are independent, with their own management and CEO leading daily operations. Tången acts as an active owner, providing industrial expertise and financial support to ensure long-term business development both centrally and strategically.

Long-Term Perspective

Tången is always a long-term owner, committed to fostering sustainable growth over time.

Active Ownership

Tången takes an active ownership role through board work and projects that contribute to the company's development. There is always an ongoing dialogue between Tången and company management.

Independent Companies with Strong Leadership

Each company within Tången operates with independent leadership while being part of our network, where shared experiences drive collective growth.

Own Profit Responsibility

Each company within Tången has its own profit responsibility and leads its development, while Tången provides strategic support for growth and long-term success.

Board of Directors

Tången ensures that every company has a strong board with industry-specific expertise.

Read about our portfolio companies

Worker operating machinery indoors – Tangen manufacturing site.

AB Sjuntorp

AB Sjuntorp is a full-service provider of material handling solutions and production technology services for the industry.

Cargo containers stacked at port – Tangen logistics hub.

Elfcon

Elfcon is a leading provider of service, maintenance, and repairs for the maritime industry, offering expertise in tank container repairs, container sales, and inspection services.

Worker constructing wooden frame – Tangen sustainable building.

Göfast Gruppen

Göfast Gruppen provides construction services including electrical work, HVAC, construction, sheet metal work, and fine carpentry.

Empty railway tunnel – Tangen infrastructure development.

Malux

Malux provides technically consultative product sales and operates within explosive environments, buildings, vehicles, and subsea electronics.

Workers in factory with machinery – Tangen production site.

STT Emtec

STT Emtec operates in the marine sector, where it develops and manufactures exhaust aftertreatment systems and key components, and provides engine testing services to its customers.

Laboratory testing with protective gloves – Tangen innovation and quality assurance.

NSI

NSI develops and produces paint, cleaning agents, and other surface treatment products.

Bilden visar Aluwaves laboratorium

Aluwave

Aluwave delivers customized och sustainable lighting technology to demanding environments worldwide, by combining technical excellence with a customer-focused approach.

Människa i teknisk miljö

Celab

Celab delivers secure, tailored mission-critical communication solutions for essential public-sector and infrastructure organisations across the Nordics.

Red offshore vessel with white superstructure and yellow details navigating through rough seas in stormy weather with all lights on.

D.E.C. Marine

D.E.C. Marine develops and supplies exhaust emission control systems for marine diesel engines, enabling reduced emissions and more sustainable marine operations.

Buses driving on a rural road surrounded by forest and grassland

TriNorth

TriNorth is a full-service system provider for public transport in the Nordic region, offering smart solutions for passenger information, ticketing systems, child safety, fleet management, and video surveillance.

En lastbil

Swemco

Swemco manufactures specialized machines for road maintenance and paving work, with a strong position in Sweden and the Nordic region.

Bilden visar spolar

Westcomp

Westcomp is a full-service supplier to the electronics industry, specializing in electronic components, material kits, replenishment stock, and sourcing services.