Sterkstrøm AS

Name

Sterkstrøm AS

Legal name

Sterkstrøm AS

Website

https://sterkstrom.no

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1–10 employees

Short description

Sterkstrøm AS is a family-owned Norwegian electrical installation contractor, founded in 1946, providing new-build wiring and service/maintenance for residential developers and private clients in the Oslo and Akershus region.

Ownership category

akta.pro rank

Product category

Electrical Contracting Services

NAICS

Other Building Equipment Contractors (23829), Residential Building Construction (2361)

SIC

Electrical Work (1731), Construction - Special Trade Contractors (1700)

akta.pro industry

PRIMARYIMAFALAB

HVAC & Refrigeration Contracting

Industrials, Manufacturing & Construction/Construction & Civil Engineering/Specialty Trade Contractors (MEP, HVAC, Plumbing, Electrical)

Keywords

• Electrical installation services
• Residential electrical contracting
• Electrical maintenance services
• New construction wiring
• Low voltage systems

Headquarters

HQ city

Oslo

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electrical installation projects: Project-based professional services revenue from electrical installations in new residential construction and rehabilitation assignments. Projects range from individual single-family homes to multi-unit residential developments of up to 120 units.
2. Service and maintenance contracts: Ongoing service, maintenance and rehabilitation assignments for private clients, offices, hotels, and businesses, including service contracts for internal control (internkontroll/HMS) of electrical installations.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels1 record

Core offering

Sterkstrøm AS is a Norwegian electrical contractor providing complete electrical installations for new residential construction (single-family homes, townhouses, apartment buildings) and commercial properties, along with service, maintenance and rehabilitation of existing electrical systems. The company also installs low-voltage systems (data, alarms, access control), heat cable and snow-melting systems, and offers energy advisory services. It operates two main divisions: a new construction division partnering with major Norwegian housing developers (such as Block Watne and Mesterhus), and a service/maintenance division serving private homeowners, offices, hotels, and businesses in the Oslo and Akershus region.

Product overview

Sterkstrøm AS is a traditional electrical contractor company offering two main service divisions: Nybygg (new construction) for electrical installations in new residential buildings, and Service (maintenance and rehabilitation) for ongoing electrical work. The company also provides specialized services including low voltage systems (data, alarms, access control), heat cable installations, and energy consulting. Founded in 1946, the company has operated in the electrical industry for over 75 years, completing installations in over 250 units annually.

Differentiator

Problem solved

Functional benefit

Products and services

• Nybygg (New Construction Electrical Installations) Complete electrical installations for new-build residential projects, including single-family homes, townhouses and apartment buildings. Delivered in partnership with major Norwegian housing developers such as Block Watne and Mesterhus across eastern Norway.
• Service (Maintenance, Service and Rehabilitation) Maintenance, service and rehabilitation of electrical installations for private clients, offices, hotels and businesses, including recurring service contracts for internal control (internkontroll) compliance.
• Svakstrøm (Low-Voltage Systems) Low-voltage (weak current) electrical work covering data networks, telephone systems, burglar alarms, fire alarms, access control systems and intercom/door phone installations.
• Varmekabler (Heat Cable and Snow-Melting Systems) Installation of underfloor heating systems (low-profile heat cables, heat foil, standard heat cables) and outdoor snow-melting systems.
• ENØK Rådgiver (Energy Advisory) Energy consulting service offering energy-saving recommendations, energy calculation estimates, payback period calculations and energy classification for buildings.

Quantifiable outcome

• Over 250 residential units wired per year
• +2 more outcomes

Named customers3 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

Partnerships

Five partnerships are on record, tiered core and minor.

• Block WatnecoreStrategic or Co-development PartnerSterkstrøm has worked with Block Watne (one of Norway's largest prefabricated house manufacturers) for over 40 years. The company performs electrical installations across Block Watne's residential development projects throughout eastern Norway, including single-family homes, townhouses, and apartment complexes ranging from a few units to 120+ units per development. Multiple Block Watne divisions are served (Block Watne Romerike, Block Watne Follo, Block Watne Drammen-Asker).
• MesterhuscoreStrategic or Co-development PartnerSterkstrøm has a close partnership with Mesterhus, one of Norway's leading residential developers. The collaboration involves electrical installations in new residential construction projects.
• Riis Bygg ASminorStrategic or Co-development PartnerSterkstrøm collaborates with Riis Bygg AS on electrical installations for exclusive single-family homes, such as the Stilla Hageby project in Lillestrøm.
• NHO Elektro (NELFO)minorOthersSterkstrøm AS is affiliated with NHO Elektro (NELFO), Norway's trade and employer organization for the electrical installation industry, covering more than 1,300 member companies.
• Oslo opplæringskontorminorOthersSterkstrøm AS has always trained apprentices and is currently affiliated with Oslo opplæringskontor, which handles the theoretical part of the apprenticeship education for their learners.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Assemblin Norge: Nordic-listed Assemblin's Norwegian operations deliver electrical and technical installation services across building and infrastructure projects. Comparable to Sterkstrøm in core electrical contracting capability but operating at much larger scale with multi-trade offerings.
• Bravida Norge: Norwegian arm of the Nordic-listed Bravida Group, providing electrical, plumbing, and HVAC installation and service to commercial and residential customers. Directly comparable in the electrical contracting space, though operating at significantly larger scale and broader geographic footprint than Sterkstrøm.
• Caverion Norge: Norwegian subsidiary of the Nordic Caverion Group, offering electrical, HVAC, and building technology solutions for residential, commercial, and industrial clients. Comparable as a full-service building equipment contractor with significantly larger scale and broader service portfolio.
• YIT Norge: Norwegian arm of the Finnish construction and building services group, providing residential development and related technical installations. Comparable as a residential construction services player, though significantly larger and vertically integrated into development.
• Instalco Norge: Norwegian operations of Swedish-listed Instalco Group, an electrical and technical installation contractor serving residential and commercial construction. Closely comparable business model to Sterkstrøm, though operating as part of a larger multi-country roll-up with acquisition-driven growth.

Others

• Norgeselektro: Norwegian purchasing and marketing chain for independent electrical contractors, of which Sterkstrøm and many similar firms are members. Adjacent peer as a cooperative-style organization that influences cost competitiveness and procurement leverage for member contractors in the same market.
• NHO Elektro (NELFO): Norwegian trade and employer organization for the electrical installation industry, of which Sterkstrøm is a member. Adjacent peer as the industry body that shapes labor standards, collective bargaining, and policy advocacy affecting all comparable electrical contractors.

Regional players

• Heimdal Elektro: Mid-sized regional electrical contractor operating in the greater Oslo region, serving residential and commercial customers. Comparable to Sterkstrøm in service mix (new construction, service, and rehabilitation) and geographic focus, though at a similar or modestly larger scale.
• Magne Fjeldheim Elektro: Bærum/Oslo-area electrical contractor serving residential and commercial clients with new construction, service, and rehabilitation work. Comparable as a small-to-mid sized local electrical contractor in the same Viken/Oslo market as Sterkstrøm.
• Holen Elektro: Oslo-based electrical contractor offering residential and commercial installation, service, and maintenance. Comparable to Sterkstrøm as a same-region specialty contractor, though with somewhat broader service scope and a longer presence in commercial markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/sterkstrom
• LinkedInlinkedin.com/company/sterkstr%C3%B8m-as

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

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 Sterkstrøm AS