Geg Elektro Und Gebaudetechnik Gmbh

What Geg Elektro Und Gebaudetechnik Gmbh does

GEG Elektro und Gebäudetechnik GmbH is a Gmunden-headquartered Austrian electrical and building technology services provider and wholly-owned subsidiary of the family-owned Stern-Gruppe conglomerate (Stern Holding GmbH, founded 1883). Tracing its origins to the 1895 founding of G.E.A.G. (Gmundner Elektrizitäts-Aktien-Gesellschaft) — the first public electricity supplier in Upper Austria — GEG today delivers four integrated service lines from approximately 100 employees across its Gmunden headquarters and its 2015-established Traun branch: Elektrotechnik (electrical engineering, ~two-thirds of workforce), Gebäudetechnik/HKLS (heating, climate, ventilation, sanitary), Erneuerbare Energien (photovoltaic, solar thermal, heat pumps, energy management), and Service/Wartung/Reparatur. The company completes over 1,000 projects per year and positions itself as one of the largest electrical and building technology contractors in Upper Austria. Leadership passed in 2017 to the first non-family managing directors, DI Herbert Hartl, MBA (Finance/Administration) and Gerhard Rastinger (Sales/Technology), under Stern-Gruppe CEO Dipl.-Ing. Karl Neumann.

The technical stack is built on KNX-standard building automation integrated with Gira home-control systems, energy management platforms for combined heating/PV systems, and photovoltaic installations with online monitoring — delivered as complete "All-Inclusive-Packages" bundling electrical and HKLS scopes. GEG serves three primary segments: private homeowners (smart home, PV retrofit, residential installations), commercial and industrial enterprises (named logos include Raiffeisenbank Salzkammergut, SPAR, Gmundner Fertigteile, Hotel Post Traunkirchen, TechnoZ Salzkammergut, KNV Wärmepumpen, Robamat, Autohaus Swoboda), and residential construction (Wohnbau) developers. Certifications held include ISO 50001 (energy management, 2024), ANKÖ contractor registration, ARA recycling license, and Leitbetrieb model-company status; workplace awards include Felix Familia (2nd place, 2022 and 2024) and the Staatspreis Familie & Beruf 2024 (2nd place).

Revenue is generated through three streams: one-time project-based installation contracts for new construction and renovation, recurring maintenance contracts (annual or three-year terms), and on-demand repair/troubleshooting services. Distribution is fully direct — a regional field service team (Außendienst) and in-office consultation staff (Innendienst) — with pricing quote-based and not publicly disclosed. Marketing relies on a corporate website, LinkedIn and Facebook presence, video content, and employer branding. GEG remains privately held under Stern-Gruppe family control with no external funding rounds, no public listing, and 130 years of continuous operating history as of 2025.

Name

Geg Elektro Und Gebaudetechnik Gmbh

Legal name

GEG Elektro und Gebäudetechnik GmbH

Website

https://geg.co.at

Company type

Private

Founded year

1895

Operating status

Operating

Headcount range

51–100 employees

Short description

GEG Elektro und Gebäudetechnik GmbH is a 130-year-old Austrian electrical and building technology contractor in Gmunden, Upper Austria, delivering integrated Elektrotechnik, HKLS, renewable energy, and maintenance services to private, commercial, and industrial customers as a subsidiary of the Stern-Gruppe conglomerate.

Ownership category

akta.pro rank

NAICS

Engineering Services (54133), Architectural, Engineering, and Related Services (5413)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Misc Industrial & Commercial Machinery & Equipment (3590)

akta.pro industry

PRIMARYIMAFALAJ

Energy & Renewables Specialty Contracting (Solar PV, Storage, EV Charging)

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

SECONDARYBPABACAI

Refrigeration Systems Maintenance (Commercial/Industrial)

Business & Public Services/Facilities Management & Building Services/Building Engineering & Technical Maintenance (MEP/HVAC)

SECONDARYIMAIAAAM

Energy & Sustainability Management (Energy Audits/Optimization/Carbon & ESG Programs)

Industrials, Manufacturing & Construction/Industrial Services & Facility Operations/Facilities Management (Integrated FM)

Keywords

• Electrical installation services
• Building technology systems
• Renewable energy solutions
• HVAC engineering services
• Facility maintenance services

Headquarters

HQ city

Gmunden

HQ country

Austria

HQ region

Europe

Offices2 records

Markets served

Revenue model

1. Installation Services: One-time project-based revenue from electrical and building technology installations for new construction and renovation projects
2. Maintenance and Service Contracts: Recurring revenue from periodic maintenance services, heating system care, and individual maintenance contracts (annual or 3-year options)
3. Repair and Troubleshooting Services: On-demand repair services for electrical systems, heating, and building technology equipment

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

GEG Elektro und Gebäudetechnik GmbH is an Austrian electrical and building technology contractor headquartered in Gmunden, founded in 1895. The company delivers Elektrotechnik (electrical installation), Gebäudetechnik (building/HKLS systems), Erneuerbare Energien (renewable energy installations), and Service/Wartung/Reparatur (maintenance and repair) for residential, commercial, and industrial customers. With approximately 100 employees, the firm operates as a regional full-service electrical and building-systems provider.

Product overview

GEG Elektro und Gebäudetechnik GmbH is an Austrian electrical and building technology company offering four integrated core service areas: Elektrotechnik (electrical engineering with ~2/3 of workforce), Gebäudetechnik/HKLS (heating, climate, ventilation, sanitary systems), Erneuerbare Energien (renewable energy including PV, solar thermal, heat pumps), and Service/Wartung/Reparatur (maintenance and repair services). The company delivers complete 'All-Inclusive-Packages' combining electrical and HKLS services from a single source, serving residential, commercial, and industrial clients across the Gmunden/Vöcklabruck region in Upper Austria.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Over 1,000 projects completed per year
• +1 more outcomes

Named customers8 records

Segments3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature3 records

Partnerships

One partnership is on record.

• Stern-GruppecoreStrategic or Co-development PartnerGEG is a subsidiary of the Stern-Gruppe (formerly Stern & Hafferl), a family-owned conglomerate founded in 1883. The group operates in energy supply, construction (highway and civil engineering), concrete prefabrication for public transport (rail and bus lines), and shipping. GEG complements the group with electrical and building technology services, contributing to the group's economic stability and technical expertise.

Scale indicators5 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Wiener Stadtwerke: Vienna municipal energy and services holding with subsidiaries in energy supply, facility services, and building technology. Comparable as a broad Austrian incumbent offering building technology services primarily in a different geographic market.
• PORR AG: One of Austria's largest construction groups with full building services capabilities including MEP installations. Comparable as a broad Austrian incumbent offering overlapping electrical and HKLS services as part of a much wider construction portfolio.
• ENGIE Austria: Austrian subsidiary of global energy and facility services group ENGIE. Comparable as a broad incumbent offering energy management, building services, and renewable energy installations in Austria, with much greater scale.
• SPIE GmbH: European technical facility services and energy infrastructure provider with Austrian presence. Offers MEP installations, building technology, and energy services directly overlapping with GEG's portfolio.
• Strabag AG: Major European construction group with significant Austrian operations across building construction and infrastructure. Offers overlapping MEP and building technology services within a much broader portfolio than GEG.

Direct peers

• Klenk & Meder Elektro: Austrian regional electrical contractor with multiple branch offices offering electrical installations, building technology, and renewable energy services across Austria. Directly comparable as a multi-location Austrian MEP contractor serving residential, commercial, and industrial customers.
• ELIN Motoren: Austrian electrical engineering company specialising in rotating electrical machines, drives, and related services. Comparable as an Austrian electrical engineering services firm with industrial customer focus.
• Teich AG: Austrian building services contractor providing HVAC, sanitary, and electrical solutions. Directly comparable as an Austrian regional MEP/HKLS contractor serving residential, commercial, and industrial customers with a similar one-stop-shop model.

Regional players

• Energie AG Oberösterreich: Upper Austrian energy and services company headquartered in Linz. Comparable as a regional Austrian energy/services player operating in GEG's home market with renewable energy, building services, and contracting offerings.
• KELAG: Austrian regional energy and heat supplier active in building services, heat pumps, and renewable energy installations. Comparable as an Austrian regional player in renewable energy and building technology.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/GEGELEKTROUNDGEBAEUDETECHNIK

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 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 Geg Elektro Und Gebaudetechnik Gmbh