End‑to‑end technical installation and service — across Sweden and Norway
Assemblin designs, installs, and maintains the technical systems that keep buildings and infrastructure running. We deliver reliable projects and long‑term service that improves safety, efficiency, and sustainability.
What we do
Assemblin is a leading Nordic installation and service partner, delivering integrated technical solutions for buildings and infrastructure. We combine broad multidisciplinary expertise with deep specialist knowledge across electrical engineering, heating and sanitation, ventilation, automation and BMS, data and telecom, cooling, sprinklers, security, and related technologies.
We manage both small and complex large‑scale projects, as well as local and nationwide service assignments. By taking full responsibility throughout the entire process, we ensure safe, efficient and future‑ready solutions – from installation and commissioning to long‑term service, optimization and modernization.
With a lifecycle perspective at the core of our offering, we help our customers improve performance, energy efficiency and reliability, while ensuring buildings work better for the people who use them – today and tomorrow.
Complex installation solutions
We make properties, facilities and industries work using smart solutions for technical installations. We perform complex installations in connection with new construction or renovation works. You can trust us to have all the necessary specialist knowledge in all our areas of technical work.
You can have peace of mind with our customer-focused service agreement. We offer services in the full range of technical areas, but you only choose the areas you need. If you operate throughout the country, we also offer a national service agreement.
Intelligent installations for energy-efficient buildings
Our smart buildings integrate HVAC, lightning, and automation systems that respond in real time to occupancy and weather conditions. This ensures optimal comfort, reduced energy use, and long-term operational efficiency.
Our technology areas
Electrical engineering
We get properties, facilities and industries working using smart solutions for technical installations within electrical engineering. Our offer covers all types of electrical installations, from low current to high voltage up to 24 kV. We also have expertise in the industrial segment.
Heating and sanitation
We can offer combined expertise in various specialist areas within heating and sanitation. We work with the utmost care when it comes to quality, the environment, work environment and finances, and our employees are certified in accordance with the industry rules for Säker Vatteninstallation (Safe Water Installation).
Ventilation
Whatever your indoor climate requirements, we offer complete customised concepts and solutions. Our designers work closely with our production staff, which further enhances the quality of our deliveries. We can also assume responsibility for design coordination for all installations in an assignment.
Automation
We specialise in all property and industrial automation issues. Our main focus is on delivering equipment and functionality that supports property owners in their management, when operating finances, climate impact and indoor climate are important.
Data & telecom
We have extensive experience of installation solutions for data and telecom, in all types of properties and facilities. We can also develop integration solutions using your security technology or automation system.
District heating
As far as district heating is concerned we perform both turnkey contracts and smaller individual elements of district heating projects. Our broad expertise saves time, money and the environment, while guaranteeing sustainable long-term results. Our employees are certified in accordance with the Säker Vatteninstallation (Safe Water Installation) scheme.
Industrial piping
We have extensive and broad experience of industrial installation and service. Within the industrial pipes segment, we focus on thermal power plants, nuclear power plants, cellulose industries, refineries, petrochemical and other chemical industries, as well as food and pharmaceutical industries.
Instruments
We are a reliable, system-independent supplier of systems and instrumentation for industrial and process plants. In all instrumentation assignments we take overall responsibility for everything from materials, deliveries and assembly, through to commissioning and servicing of control and electrical equipment.
Cooling
We are your competent and reliable expert in refrigeration technology and deliver everything from complete solutions for climate control with the greatest possible energy efficiency to simpler systems. Our refrigeration technology companies have been certified category 1 for refrigeration works.
Sprinklers
For many years we have been a leading player in Sweden in sprinklers and are happy to take on your project – whether large or small. We make sure that your sprinkler system is adapted to your needs and complies with regulatory requirements and the demands of insurance companies. We are certified by Svensk Brand och Säkerhetscertifiering AB.
Security
Our offer encompasses all aspects of security: access control systems, fire safety, burglar alarms and camera surveillance. We offer both separate security installations and solutions for integrated security, where we incorporate the security solution or system into other property systems.
Energy efficiency that delivers results
There is much to be done to reduce energy consumption, not only in new construction but also in the existing property portfolio. We are aware of the new solutions, but are equally passionate about tuning the current technical systems to perfection.
Sustainable installations that save energy and costs
We design and deliver installations that reduce energy use, minimize resource consumption, and lower long-term operating costs—benefiting both the environment and your property.
Assemblin as supplier
A responsible and committed partner
Quality, efficiency and productivity
With committed and competent employees who work systematically based on established and certified processes, we carry out our assignments efficiently and professionally according to good professional practice.
Assemblin is permeated by a healthy culture and a strong focus on work environment and safety. With common values and common policies, we ensure a high standard throughout the company.