What Assemblin does

Assemblin is a Nordic technical installation and service company operating as part of the Assemblin Caverion Group, a privately held portfolio company of Triton Investment Advisers LLP formed through the April 2024 merger of Assemblin and Caverion Corporation. The group operates across ten Northern European countries with approximately 21,900 employees and EUR 3.8 billion in annual revenue, organized around three core service divisions: Assemblin Electrical (low- and high-voltage installations, EV charging infrastructure, fibre-optic networks, security and fire alarm systems), Assemblin H&S (heating, sanitation, and water/sewerage solutions), and Assemblin Ventilation (cooling, refrigeration, ventilation, and heat pump systems).

The company delivers technical building and infrastructure solutions through two revenue streams: project-based installation contracts secured via competitive tendering and direct enterprise sales, and recurring service and maintenance agreements on installed equipment. Active customer segments include property companies, retail and industrial operators, municipalities and other public-sector clients, energy and utility companies (notably E.ON grid substation work), and logistics operators (NewCold, Ahlsell). Recent contract wins include a SEK 37 million electrical and security installation at Malmen School in Kumla, a four-year framework to deliver up to 3,000 EV charging points for Parking Malmö, and a multi-year electrical installation framework with E.ON Energidistribution valued at SEK 2-30 million per assignment.

Beyond organic contract growth, Assemblin pursues a programmatic regional acquisition strategy, completing multiple bolt-ons per year since 2022 across Sweden, Norway, and other Nordic markets to deepen local density, add specialized capabilities (high voltage, fibre optics, ammonia-based refrigeration), and enter adjacent verticals. Pricing is project-specific and quote-based rather than standardized, with framework agreements providing multi-year revenue visibility against a backdrop of fundamentally project-cyclical installation work. The company does not operate a consumer-facing software product, mobile app, or public API.

Name

Assemblin

Legal name

Assemblin

Website

https://fi.assemblin.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

251–500 employees

Short description

Assemblin is a Nordic technical installation and service company, part of the Triton-owned Assemblin Caverion Group operating across ten countries with 21,900 employees and EUR 3.8 billion in revenue, delivering electrical, HVAC, ventilation, refrigeration, and security installations and maintenance to commercial, industrial, municipal, and utility clients.

Ownership category

akta.pro rank

Product category

Technical Installation and Building Services

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Refrigeration Equipment and Supplies Merchant Wholesalers (423740)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Humidifier & Dehumidifier Installation & Service (HSAOAIAJ)

akta.pro secondary industry

Ventilation, Ducting & Air Distribution Equipment (IMAHAKAG)

Keywords

• Technical installation services
• Electrical contracting services
• HVAC installation maintenance
• EV charging infrastructure
• Building technical systems

Headquarters

HQ city

Helsinki

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Installation Services: Project-based installation services for electrical, ventilation, heating, sanitation, cooling, and refrigeration systems. Revenue is generated through competitive tendering and direct commissions for construction and renovation projects.
2. Service and Maintenance Agreements: Recurring service contracts for maintenance of technical building systems including cooling systems, refrigeration, and infrastructure. Includes advisory services and scheduled maintenance.
3. Charging Infrastructure Services: Framework agreement for EV charging infrastructure including sale, installation, and maintenance of charging points over multi-year periods.

Go-to-market motion2 records

Distribution channels2 records

Core offering

Assemblin is a Nordic technical installation and service company that designs, installs, and maintains electrical, ventilation, heating, sanitation, cooling, refrigeration, security, EV charging, and high-voltage systems for commercial, industrial, municipal, and utility clients across Sweden, Norway, and other Northern European markets. Following the April 2024 merger with Caverion Corporation, the combined Assemblin Caverion Group operates across ten countries.

Product overview

Assemblin is a Nordic technical installation and service company operating across multiple divisions. The company is organized into three main service divisions: Assemblin Electrical (electrical installations, EV charging, security, high voltage, and fibre-optic networks), Assemblin H&S (heating, sanitation, and water/sewerage solutions), and Assemblin Ventilation (cooling, refrigeration, and ventilation systems). These divisions operate as a unified installation platform offering comprehensive technical services to retail, industrial, construction, logistics, and municipal clients across Sweden, Norway, and other Nordic countries. In April 2024, Assemblin completed a strategic merger with Caverion Corporation, forming the Assemblin Caverion Group operating across ten countries with approximately EUR 3.8 billion in annual revenue and around 21,900 employees.

Differentiator

Problem solved

Functional benefit

Products and services

• Assemblin Electrical Electrical installation services including EV charging infrastructure, industrial electrical installations, high voltage services, fibre-optic networks, and security solutions for commercial, industrial, and municipal clients across Sweden and Norway.
• Assemblin H&S Heating and sanitation (HVAC) installation and service solutions, including water and sewerage systems, for property companies and local clients in the Greater Stockholm region.
• Assemblin Ventilation Ventilation, cooling, and refrigeration installation and maintenance services, including environmentally efficient cooling solutions, ammonia-based refrigeration systems, and heat pump installations for private and municipal property owners.
• EV Charging Infrastructure Design, installation, and maintenance of electric vehicle charging points for property owners and municipalities, including both residential and commercial charging solutions.
• Cooling and Refrigeration Systems Environmentally efficient cooling solutions, ammonia-based refrigeration systems, and cooling maintenance services for industrial and municipal facilities such as ice rinks and cold storage.
• Security and Fire Alarm Systems Complete security installations including fire alarms, security systems, and integrated safety solutions for commercial and institutional buildings.
• High Voltage Electrical Services High voltage electrical installation projects at regional grid substations and power distribution infrastructure.

Quantifiable outcome

• Combined entity operates across 10 countries with EUR 3.8 billion revenue and 21,900 employees
• +2 more outcomes

Named customers7 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

Partnerships

Four partnerships are on record, tiered core and minor.

• Caverion CorporationcoreStrategic or Co-development Partner · 1 April 2024Strategic merger combining Assemblin and Caverion into the Assemblin Caverion Group. The merged entity operates across ten countries, serving as a leading Northern European technical service and installation company with focus on sustainable and smart solutions.
• E.ON Energidistribution ABcoreStrategic or Co-development PartnerTwo-year framework agreement covering electrical installation projects at regional grid substations in Central and Southern Sweden, with option to extend for one year. Covers projects valued at SEK 2-30 million per assignment. High voltage installation is identified as a strategic focus area.
• Parking MalmöcoreStrategic or Co-development PartnerFramework agreement to supply up to 3,000 electric vehicle charging points over four years, including sale, installation, and maintenance. Assemblin positioned as a key provider for Malmö's expanding charging infrastructure.
• LC Entreprenad ABminorImplementation/ SI/ Consulting PartnerAssemblin Electrical commissioned by LC Entreprenad AB to carry out electrical installations and security solutions at NewCold's automated cold storage facility in Flen, Sweden. Project scheduled for completion in January 2027.

Scale indicators11 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Bravida Holding AB: Sweden-listed Nordic multi-technical installation and service provider offering electrical, HVAC, and plumbing services to commercial, industrial, and public clients — the closest direct peer to Assemblin Caverion Group across the Nordics.
• Instalco AB: Sweden-listed installer focused on electrical, heating/plumbing, ventilation, and industrial installations in the Nordics, executing a similar serial-acquisition growth strategy to Assemblin, serving overlapping end-markets in Sweden, Norway, and Finland.
• Caverion Corporation (standalone pre-merger): Finnish-listed technical building services and installation specialist that merged with Assemblin in April 2024; the pre-merger Caverion stood as a direct competitor with comparable HVAC, electrical, and facility services across the Nordics and Baltics.
• Eltel Networks Oy: Pan-Nordic power and communication network installation and maintenance specialist directly competing with Assemblin Electrical for high-voltage substation, EV charging, and fibre-optic framework agreements (e.g., similar to E.ON contracts).

Broad incumbents

• NCC Group: Major Swedish construction company with a building solutions/services arm providing technical installations to commercial and public clients, operating at larger construction-contractor scale but overlapping on technical MEP/electrical installation work.
• Skanska AB: Global Swedish construction and project-development group whose Nordic building operations include significant mechanical and electrical installation services, often via self-delivery or partnerships that compete with Assemblin for large commercial projects.
• YIT Oyj: Finnish construction and building services company active in the Nordics and Baltic with technical installation offerings in HVAC, electrical, and energy efficiency — competes directly with Assemblin Caverion's Finnish operations.
• ISS A/S: Danish-headquartered global facility services company with a strong Nordic presence offering technical building services, maintenance, and energy management solutions that overlap with Assemblin's service and maintenance portfolio.

Regional players

• Coor Service Management Holding AB: Sweden-listed provider of integrated facility management and technical services across the Nordics, with overlapping technical installation and maintenance capabilities serving many of the same enterprise and public-sector clients as Assemblin.

Emerging players

• Greenplay Holding (by Citec/Apex): Smaller Nordic technical installation specialists focused on renewable energy installations including heat pumps, EV charging, and energy-efficient HVAC — adjacencies into which Assemblin is expanding via acquisitions like Rosendahl Ögrens.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/imtechsverige
• LinkedInlinkedin.com/company/assemblin

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A19 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Assemblin