What Allier Gruppen does

Allier Gruppen is a privately held Norwegian technical construction and services conglomerate headquartered in Bergen (Midtunhaugen 13a), operating through wholly owned subsidiaries that deliver an integrated range of building technical services. The group traces its roots to Anders O. Grevstad (AOG), a plumbing company founded in 1911, and has expanded through a combination of organic growth, mergers (the 2020 AOG borettslagsavdeling/Unik VVS merger, the September 2021 Tevas consolidation of Teknisk Entreprenør Vest, Teknikon and Prepart) and asset acquisitions (Tore Eide AS fire protection assets, BOB TWA Elektro, Bergen Eltektnikk personnel) over the past five years. Operating subsidiaries include AOG, Unik VVS, Tevas AS, Monsen Elektro, Rørhab Bergen, Kaliber, Sotra Rør, AOG Bygg and Unik BRL, collectively employing several hundred people across plumbing/HVAC, electrical, ventilation, sprinkler/fire protection, pipe rehabilitation, total technical contracting and housing cooperative rehabilitation.

The group serves three primary verticals: housing cooperatives (borettslag) requiring pipe and bathroom rehabilitation; commercial and institutional construction (offices, schools, cultural venues such as Skipet, Langhaugen VGS and Sentralbadet); and municipal/developer housing projects (the BoligPartner partnership for Trehusene and Kommunalt boligsamarbeid). Underlying technologies include epoxy pipe relining (Rørhab), modular pre-fabricated technical modules (Prepart within Tevas) and a structured 'trimmet bygg' delivery process for predictable rehabilitation schedules. Notable technical components include a long-running service framework with the University of Bergen (16 years via AOG), multi-trade coordination on borettslag projects (e.g., Skjold 199 apartments, Ortuvann 266 apartments, Østre Sælemyr 125 apartments), and BREEAM Excellent-targeted deliveries. Sustainability credentials include group-wide Miljøfyrtårn certification, Futurebuilt/Føniks material-reuse collaboration and circular-economy plumbing reuse programs.

Allier Gruppen generates revenue through competitive tenders and framework agreements on public and private sector projects, typically as totalentreprenør or specialist subcontractor, with pricing determined per project rather than via published rates. Go-to-market is enterprise field sales focused on Western Norway (Vestlandet), supplemented by channel partnership with BoligPartner and participation in the nationwide Konekta alliance (formerly Norsk Rørallianse) which provides joint purchasing, competency development and experience sharing across member companies totaling more than 2,000 employees and over 4.3 billion NOK in combined annual revenue. Recurring service revenue exists through long-term framework agreements (UiB), while most revenue is project-based with multi-year contract cycles. The group is controlled by Allier AS with no disclosed external private equity or venture capital investment.

Name

Allier Gruppen

Legal name

Allier Gruppen

Website

https://alliernytt.no

Company type

Private

Founded year

1911

Operating status

Operating

Headcount range

11–50 employees

Short description

Allier Gruppen is a privately held Norwegian technical construction conglomerate in Bergen, operating subsidiaries (AOG, Unik VVS, Tevas, Monsen Elektro, Rørhab and others) that deliver integrated VVS, electrical, sprinkler, pipe rehabilitation and total technical contracting services to housing cooperatives, commercial/institutional clients and municipal housing projects in Western Norway.

Ownership category

akta.pro rank

Headquarters

HQ city

Bergen

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Project-based Technical Construction Services: Allier Gruppen operates through subsidiaries (AOG, Unik VVS, Monsen Elektro, Tevas, Sotra Rør, Rørhab, etc.) delivering VVS/installation, electrical, ventilation, sprinkler and pipe rehabilitation services on construction and rehabilitation projects. Revenue is generated through competitive tendering on public and private sector projects, typically as main contractor (totalentreprenør) or specialist subcontractor.
2. Service and Maintenance Contracts: Companies like AOG hold long-term framework agreements (rammeavtaler) with large institutional customers such as the University of Bergen (UiB), providing ongoing service, maintenance, and smaller project delivery. Recurring service revenue through established client relationships.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Allier Gruppen is a multi-subsidiary technical construction group delivering VVS (plumbing, heating, sanitation), ventilation, electrical, sprinkler/fire protection, and pipe rehabilitation services for housing cooperatives, commercial, institutional, and municipal construction projects in Norway. The group operates as both main contractor (totalentreprenør) and specialist subcontractor, with subsidiaries coordinated to deliver integrated technical building solutions. Services are sold through competitive tenders and long-term framework agreements to enterprise and public-sector clients.

Product overview

Allier Gruppen is a construction and technical services conglomerate operating primarily in the Bergen region of Norway. The company consists of multiple subsidiary brands offering complementary services: Anders O. Grevstad (AOG) provides VVS/plumbing and sprinkler services; Unik VVS specializes in housing cooperative rehabilitation as main contractor; Monsen Elektro handles electrical contracting; Tevas AS serves as a total technical contractor with consulting and engineering capabilities; Kaliber and Sotra Rør provide specialized plumbing and water/drainage services; Rørhab Bergen offers pipe renovation through re-lining technology; and AOG Bygg supports construction operations. The group also participates in the Konekta alliance (formerly Norsk Rørallianse) for nationwide cooperation. Rather than a unified software product, the portfolio is a collection of specialized construction and technical service companies.

Differentiator

Problem solved

Functional benefit

Products and services

• VVS and Fire Protection Installation (Anders O. Grevstad / AOG) Delivery of VVS (plumbing, heating, sanitation) and active fire protection (sprinkler systems) for commercial, institutional, and residential projects. Serves as subcontractor and totalentreprenør on projects. As of 2021, market leader in fire protection in Western Norway following the acquisition of Tore Eide AS assets.
• Housing Cooperative Rehabilitation (Unik VVS) Full pipe system and bathroom rehabilitation for housing cooperatives (borettslag) as main contractor (totalentreprenør). Uses the 'trimmet bygg' (efficient construction) process for predictable scheduling. Has delivered 3,500+ bathroom renovations on schedule across multiple housing cooperative projects.
• Electrical Contracting (Monsen Elektro) Electrical installation, service, and EV charging solutions for residential, commercial, and housing cooperative clients. Employs 43 people as of 2021 following the acquisition of BOB TWA Elektro AS.
• Total Technical Contracting (Tevas AS) Total technical contracting (totalteknisk entreprise) encompassing all technical installations including consulting, engineering, and project execution for commercial, institutional, and cultural buildings. Reduces risk and simplifies project execution for clients through integrated delivery.
• Pipe Rehabilitation (Rørhab Bergen) Pipe renovation using epoxy relining (strømpeforing) technology — an epoxy-saturated sock is blown into old pipes, inflated, and hardened to create a new pipe within the existing one. A cost-efficient alternative to full pipe replacement, especially for pipes embedded in concrete.
• External Water and Drainage (Kaliber) External water and sewage (VA) installation services for construction projects. Operates as a specialist Allier Gruppen subsidiary delivering external site water and drainage infrastructure.
• Plumbing Services (Sotra Rør) Plumbing services for residential and commercial projects in the Sotra region. Acts as core operating subsidiary within Allier Gruppen.
• Construction Services (AOG Bygg) General construction and building services supporting the group's technical contracting operations. Functions as a subcontractor within Allier Gruppen on housing cooperative rehabilitation projects.
• Trehusene and Kommunalt boligsamarbeid Housing Concepts (with BoligPartner) Construction of timber apartment buildings (Trehusene) and municipal housing cooperation (Kommunalt boligsamarbeid) under channel partnership with BoligPartner. Targets Vestlandet municipalities with housing shortages; includes Husbank financing support and pre-designed multi-family housing.
• Long-Term Service and Maintenance Framework Agreements Recurring service, maintenance, and small-to-medium project delivery under long-term framework agreements (rammeavtaler) with major institutional clients. AOG has held the University of Bergen (UiB) plumbing framework agreement for 16 consecutive years.
• Prepart Modular Pre-Fabricated Technical Modules Pre-fabricated modular technical modules for building installation, replacing traditional on-site installation methods to accelerate construction and improve efficiency. Demonstrated in the Espehaugen project.

Quantifiable outcome

• 3,500+ bathroom renovations delivered on schedule across housing cooperative projects
• +3 more outcomes

Named customers10 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

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• BoligPartnercoreStrategic or Co-development Partner · 18 October 2023BoligPartner and Allier Gruppen entered a partnership for sales and construction of housing concepts 'Trehusene' (timber apartment buildings) and 'Kommunalt boligsamarbeid' (municipal housing cooperation) targeting Vestlandet county municipalities. The partnership aims to address municipal housing shortages, rapid housing for refugees, and residents needing proximity to healthcare. Allier Gruppen provides technical execution; BoligPartner provides housing concepts, sales, and Husbank financing expertise. A seminar for Vestlandet municipalities was planned for November 2023.
• Hult ITminorStrategic or Co-development Partner · 22 June 2023Hult IT initiated a technology reuse programme with partners including Allier Gruppen. Allier Gruppen donated used IT equipment (computers, monitors, components) to Årstad Videregående Skole for use in data and electronics vocational training. Materials that cannot be reused go to certified recyclers. Initiative supports Allier Gruppen's sustainability goals.
• Proptech InnovationminorStrategic or Co-development Partner · 25 November 2021Allier Gruppen is a partner in Proptech Innovation's data-driven innovation working group, developing a Property Improvement System (PIS) — a digital registration and logbook platform. The system aggregates building data from various sources to generate sustainability scores and identify green opportunities. Magne Stunner (Adm. dir. AOG) participates in the working group. The initiative also involves researchers, building owners, technology vendors, and the municipality.
• Konekta (formerly Norsk Rørallianse)coreStrategic or Co-development Partner · 1 September 2021Konekta is a nationwide alliance of local technical contractors. Allier Gruppen participates through its subsidiaries. Konekta provides joint purchasing agreements with wholesalers and suppliers, competency development, experience sharing, and monthly gatherings. Member companies collectively have over 2000 employees and combined annual revenue exceeding 4.3 billion NOK. All member companies are organised in Byggenæringens Landsforening, Rørentreprenørene Norge, and NHO.
• Frydenbø EiendomminorStrategic or Co-development Partner · 1 August 2021Unik VVS supplied used sinks and toilets from housing cooperative rehabilitation projects to Frydenbø Eiendoms Futurebuilt Føniks project in Damsgårdsveien 127, Bergen. The project aims for near 100% material reuse in a total rehabilitation. Artec is the architect and building manager.
• Tore Eide AS (acquisition of business assets)coreStrategic or Co-development Partner · 4 May 2021Following Tore Eide AS's bankruptcy in 2021, AOG acquired parts of the business and hired key personnel including Stein Erik Stordal and Hallgeir Wiik as project managers. Tore Eide had 45 employees across Bergen, Oslo, and Stavanger, specialising in active fire protection (sprinkler systems). The acquisition established AOG as market leader in fire protection in Western Norway, building on AOG's existing sprinkler competency.
• Kaliber (VA/utendørs vann og avløp)minorStrategic or Co-development Partner · 8 April 2020Kaliber delivered external water and drainage (VA) for the Skipet project in Solheimsviken. One of multiple subsidiaries collaborating on major projects within Allier Gruppen.
• Veidekke Entreprenør ASminorStrategic or Co-development Partner · 8 April 2020Veidekke is main contractor for Sentralbadet Scenekunsthus project. AOG is VVS subcontractor under Veidekke, delivering sanitation, heating, cooling, sprinkler, and external water/drainage. Other technical subcontractors include Bravida (electrical), GK (ventilation and automation), and Sweco (engineering).

Scale indicators11 records

Recent moves9 records

Expansion highlights6 records

Broad incumbents

• Veidekke Entreprenør: Major Norwegian general contractor and Allier's main-contractor counterpart on Sentralbadet. Larger scale and broader scope but uses similar technical subcontractors, positioning it as both a customer and an indirect competitor.
• Sweco Norge: Norwegian engineering consultancy (also named as engineering subcontractor on Sentralbadet). Comparable to Tevas's consulting and engineering division in technical design services, though at much larger scale.
• YIT Norge: Finnish-origin building services and construction group with Norwegian operations covering technical installations and broader construction services. Significantly larger scale than Allier but operates in overlapping segments.
• Multiconsult Norge: Large Norwegian engineering and architectural consultancy. Overlaps with Allier/Tevas's technical design and engineering services, particularly on BREEAM-certified institutional projects, though with a national/portfolio scale.
• AF Gruppen: Larger Norwegian construction and civil engineering group with building-services exposure. Competes for large Norwegian tenders and provides an M&A-led growth benchmark relevant to Allier's roll-up strategy.

Direct peers

• Caverion Norge: Nordic technical building services provider (HVAC, electrical, security, automation). Targets the same enterprise and institutional customers in Norway with similar multi-trade capabilities.
• GK Norge (GK Inneklima): Norwegian HVAC and ventilation specialist, also a subcontractor to Veidekke on Sentralbadet. Closest direct competitor in the Vestlandet technical services market with comparable building-services scope.
• Bravida Norge: Largest Nordic multi-trade technical installation services group (electrical, HVAC, plumbing, sprinkler). Competes head-to-head with Allier Gruppen on Norwegian tenders like Sentralbadet and shares the same total-teknisk entreprise model.
• Assemblin Norge: Nordic multi-trade technical installation services group (electrical, plumbing, HVAC). Recent Norwegian expansion through acquisitions gives them a comparable integrated-service positioning to Allier Gruppen.

Others

• Heidenreich (Norgros): Norwegian technical wholesaler and distributor for plumbing/HVAC products. Functions as a supplier ecosystem partner rather than direct competitor; relevant for understanding supply-chain economics and Konekta's joint purchasing power.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/allier-gruppen

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles25 records

Subsidiaries10 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 Allier Gruppen