Rørentreprenøren AS

What Rørentreprenøren AS does

Rørentreprenøren AS is a Norwegian specialty plumbing and construction contractor headquartered in Oslo, operating under the AS private limited company structure and led by CEO Per Anders (master craftsman since 2004). The firm delivers VVS (heating, ventilation, and sanitation), VA/ADK (water supply and sewage), construction and concrete work, fire safety and sprinkler systems, heating and cooling installations, commercial building operations management, and bathroom/wet room renovations across the Oslo, Akershus, and Østfold regions. Its customer base spans public agencies (Statsbygg, Asker Kommune), large commercial accounts (Byporten, Egon Restauranter, KLP Eiendom, Vulkan Infrastruktur og Drift), main construction contractors (Implenia, Malling & Co, M3 Bygg, Kreativt Bygg, Steen-Lund, Topaas og Haug), housing cooperatives, residential associations, and private homeowners.

The technology stack is defined by certified trade competencies rather than software: sentral godkjenning for executing and designing VVS systems and water/drainage in tiltaksklasse 2, FG-910 sprinkler certification, ADK certification, våtromssertifikat, and certified PE welding and mirror welding (speilsveising) of main water pipelines up to 400mm diameter, including the Operaen main water supply in Bjørvika. The company owns its equipment fleet (Kubota KX60-5 excavator, John Deere 6115, Evo 36HC Lite, Furst TR8D chipper, certified mirror welding machines), enabling self-sufficient excavation and pipe work. There is no AI/ML capability disclosed; the company does not maintain any application or SDK.

The business model combines project-based work (rehabilitation and new construction for residential and commercial properties, infrastructure projects) with subscription-style service and framework agreements that provide recurring maintenance, priority response times, and customized pricing for property companies, housing cooperatives, and commercial clients. Emergency after-hours services, Enova-assisted energy efficiency upgrades, and water mist fire suppression in partnership with Vanttåke AS round out the revenue mix. Pricing is quote-based and not publicly disclosed. Go-to-market is sales-led and direct, supported by a website, Facebook, Instagram, Google Ads, LinkedIn, and Bing Ads. Public financials are not disclosed, and the company has no funding rounds, subsidiaries, or M&A activity on record.

Name

Rørentreprenøren AS

Legal name

Rørentreprenøren AS

Website

https://rorentreprenoren.no

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Rørentreprenøren AS is a Norwegian specialty plumbing, water/sewage, and construction contractor serving public agencies, commercial properties, housing cooperatives, and private homeowners across Oslo, Akershus, and Østfold. It is differentiated by certified PE welding, sprinkler, and wet room credentials.

Ownership category

akta.pro rank

Product category

Plumbing and VVS Contracting Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Water and Sewer Line and Related Structures Construction (23711), Site Preparation Contractors (23891)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Plumbing & Pipefitting Contracting (IMAFALAC)

akta.pro secondary industries

Fire Protection Systems Contracting (Sprinklers, Alarms, Suppression) (IMAFALAD), Pipe Installation, Repair & Repiping (HSAOAAAB), Emergency Water Main/Service Line Repair (HSAOAMAK)

Keywords

• Plumbing services
• Water supply infrastructure
• Heating installation
• Sprinkler systems
• Bathroom renovation

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, Infrastructure, Marketing or Sales, Supply Chain, Technology or R&D

Revenue model

1. Service and Framework Agreements: Recurring service and framework contracts with property companies, caretaking services, housing cooperatives and residential associations. Provides regular maintenance visits, priority response times, and discounted pricing on products and services.
2. Building Operations Management: Managing commercial buildings including shopping centers, restaurants, and larger VVS facilities. Includes piping installations, design, management, VVS operations, PE welding, VA work, and sprinkler/fire safety services.
3. Infrastructure and Construction Projects: Project-based work including excavation, drainage, natural stone work, green areas, soil movement, concrete pouring, main water pipe installation, and road construction.
4. Heating and Cooling System Installation: Design and installation of heating systems including floor heating/water-borne systems, heat pumps, ground and rock heat, central heating, and Enova-subsidized solutions.
5. Emergency and After-Hours Services: Emergency plumbing services outside normal working hours (07:00-16:00), including emergency response for water leaks in bathrooms, basements, kitchens, or laundry rooms. Subject to evening and weekend surcharges.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Rørentreprenøren AS is a master plumber and infrastructure contractor executing VVS, VA/ADK, and construction/concrete services for residential, commercial, and public-sector clients in the Oslo, Akershus, and Østfold regions. Core service lines cover general plumbing, water and sewerage infrastructure with PE welding, sprinkler and fire safety, heating and cooling, commercial building management, service/framework agreements, and bathroom/wet-room renovation. The company also acts as a subcontractor to main contractors on construction projects.

Product overview

Rørentreprenøren AS is a service-based plumbing and construction company offering an integrated portfolio of services. The core offerings consist of three main service lines: Rørlegger (general plumbing), VA/ADK (water supply and sewage/infrastructure), and Anlegg/Betong (construction and concrete work). Supporting these are specialized add-on services including fire safety and sprinkler systems, heating and cooling installations, commercial building management, service/maintenance agreements, and bathroom/wet room renovations. The company operates as a master plumber business serving both residential and commercial customers across Oslo, Akershus, and Østfold.

Differentiator

Problem solved

Functional benefit

Products and services

• Rørlegger (Plumbing Services) Core plumbing services including installation, repair, and maintenance of water, drainage, and heating systems for residential, commercial, and public buildings in Oslo, Akershus, and Østfold regions.
• VA / ADK (Water Supply and Sewerage) Water supply and sewage services including PE welding, mirror welding, and certified installation of main water pipelines for municipalities and private developers. The company holds central approval for water supply and drainage systems in intervention class 2.
• Anlegg / Betong (Construction and Concrete) Construction services including excavation, drainage, foundation work, concrete pouring, road construction, and green area development with the company's own machinery and personnel.
• Brannsikring og sprinkleranlegg (Fire Safety and Sprinkler Systems) Fire safety and sprinkler system installation, inspection, and maintenance including water mist systems in partnership with Vanntåke AS, serving commercial buildings, nursing homes, kindergartens, and residential complexes.
• Varme- og kjøleanlegg (Heating and Cooling Systems) Heating and cooling system design and installation including floor heating, water-borne energy systems, heat pumps, ground and rock thermal systems, and central heating, with assistance obtaining Enova subsidies for energy-efficient replacements.
• Drift av næringsbygg (Commercial Building Management) Comprehensive management and operation of commercial buildings including pipe technical installations, project management, PE welding, mirror welding, sprinkler systems, and fire safety for shopping centers and restaurants.
• Service og rammeavtale (Service and Framework Agreements) Long-term service and maintenance agreements with short response times, customized pricing, and dedicated contact persons for housing cooperatives, property management companies, and commercial clients.
• Baderom og våtrom (Bathrooms and Wet Rooms) Complete bathroom renovation services including wet room certification, leak detection systems, technical room installation, and full documentation for compliance and property value enhancement.

Quantifiable outcome

• Zero liability insurance claims - companies have NEVER had insurance payouts on liability insurance
• +2 more outcomes

Named customers15 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Vanntåke AScoreStrategic or Co-development PartnerPartnership with Vanntåke AS for water mist fire suppression systems. Vanntåke AS has long experience and is certified in water mist systems. Rørentreprenøren AS collaborates with them for automated fire suppression using mist instead of large water quantities, which smothers flames and extinguishes fire faster with less damage.
• Adjoy ASminorImplementation/ SI/ Consulting PartnerAdjoy AS is the web development and maintenance provider for rorentreprenoren.no. They provide website development, maintenance, and server hosting services. Data processor agreements regulate information access and handling between Rørentreprenøren AS and Adjoy AS.
• Enova SFcoreOthersEnova SF (Trondheim - Org: 983 609 155) is 100% owned by Norway's Oil and Energy Department. They provide state subsidies for replacing fossil fuel heat sources. Rørentreprenøren AS helps customers with Enova applications for energy-efficient heating systems, enabling customers to receive partial coverage for heat source replacement costs.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Caverion Norge AS: Caverion provides building technical solutions including HVAC, plumbing, and sprinkler systems across Norway, serving commercial, public, and industrial clients — directly overlapping with Rørentreprenøren's commercial-building management and fire safety offerings.
• Assemblin Norge AS: Assemblin is a major Nordic technical installation contractor with strong Norwegian VVS operations, competing for the same housing cooperative, commercial, and municipal plumbing contracts as the subject company.
• GK Norge AS: GK provides technical installations including plumbing, HVAC, and sprinkler systems in Norway with national coverage, comparable customer segments, and overlapping capability in commercial-building operations management.
• Bravida Norge AS: Bravida is one of the largest Nordic technical installation contractors with substantial VVS/HVAC operations in Norway, competing for the same commercial framework agreements and municipal infrastructure contracts as Rørentreprenøren, but at significantly greater scale and national reach.

Direct peers

• Comfort (kjede): Comfort is a Norwegian franchise chain of independent plumbing companies offering residential and light-commercial VVS services; local Comfort affiliates directly compete with Rørentreprenøren for housing cooperative and homeowner work in the Oslo region.
• VVS-Experten AS: VVS-Experten is a Norwegian VVS franchise chain serving residential and commercial plumbing customers with comparable service offerings to Rørentreprenøren's core plumbing and bathroom renovation lines.
• Malling & Co VVS: Malling & Co is an Oslo-area VVS contractor referenced as a peer construction project partner in the subject company's customer list, offering comparable plumbing and HVAC installation services to commercial and residential customers.
• Rørpartner AS: Rørpartner is a Norwegian VVS franchise focused on plumbing services for residential and commercial customers, operating as a direct competitor to Rørentreprenøren in the Oslo/Akershus service area.

Others

• Heidenreich (norsk VVS-distributør): Heidenreich is a major Norwegian VVS product wholesaler and supply partner to plumbing contractors; it is a key supplier/enabler in the same ecosystem as Rørentreprenøren rather than a direct competitor.

Regional players

• Aarsleff Norge AS (Per Aarsleff): Per Aarsleff is a Danish-headquartered heavy civil contractor with Norwegian operations in pipeline and infrastructure construction, comparable to Rørentreprenøren's VA/ADK and main water pipeline work but at significantly larger project scale.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/rorentreprenoren.no
• Instagraminstagram.com/rorentreprenoren
• LinkedInlinkedin.com/company/r%C3%B8rentrepren%C3%B8ren-as

Compliance6 records

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 Rørentreprenøren AS