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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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IndustryEnergy & Environment
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9'016 companies found

Energie21 GmbH Logo

Energie21 GmbH 

Basel · Since 2022

The core activity of Energie21 GmbH is consulting and planning projects in the field of renewable energies, particularly photovoltaics, as well as decarbonizing businesses and households. The company supports customers in planning and implementing photovoltaic systems and helps them find solutions to reduce their energy consumption and switch to renewable energies.

Solar & Photovoltaics
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Energie 360 Grad SA, succursale de Lausanne Logo

Energie 360 Grad SA, succursale de Lausanne 

Lausanne · Since 2024

Energie 360 Grad SA, succursale de Lausanne provides sustainable energy and mobility solutions, including integrated energy concepts for properties and districts, district heating and cooling networks, electromobility services, solar installations, gas supply and network-related services.

Energy Suppliers
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EnergieBauStelle GmbH Logo

EnergieBauStelle GmbH 

Breitenbach · Since 2023

EnergieBauStelle GmbH provides consulting, concept and planning services for energy-related issues in buildings. Led by an architect and construction manager, the practice supports clients through advice, concept development, planning, implementation, handover and operation, including heating replacement and an initial "renewable heating" consultation (free if the existing heating system is older than 10 years).

Architecture FirmsConstruction & Project ManagementSustainability Sector
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Énergie Broye-Vully SA Logo

Énergie Broye-Vully SA 

Payerne · Since 2022

Energy Suppliers
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Energiecenter Abend GmbH Logo

Energiecenter Abend GmbH 

Schaffhausen · Since 2012

The core activity of Energiecenter Abend GmbH is the planning and installation of photovoltaic systems as well as the provision of services in the field of solar technology and photovoltaics.

Solar & Photovoltaics
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energie-buser Logo

energie-buser 

Rheinfelden · Since 2023

The core activity of energie-buser is the development and implementation of customized solutions for efficient energy management in the areas of electricity, heat and water for private households. This includes, in particular, consulting and implementation of energy-saving measures, the installation of smart home systems and the optimization of heating and lighting controls. The goal is to reduce energy consumption and the associated costs for customers while protecting the environment.

Sustainability Sector
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energiecheck bern ag Logo

energiecheck bern ag 

Bern · Since 2003

The core activity of Energiecheck Bern AG is the performance of electrical inspections, measurements and analyses in the field of electrical energy supply. This includes in particular: acceptance tests and periodic inspections of electrical installations, accredited inspections and expert opinions, measurements and analyses such as lightning protection measurements, device tests, load profile measurements, voltage quality analyses and thermal imaging (infrared), certification of photovoltaic systems and creation of certificates of origin, consulting and creation of safety concepts in the field of electrical energy supply.

Solar & Photovoltaics
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energie-cluster.ch Logo

energie-cluster.ch 

Bern · Since 2017

The company energie-cluster.ch is a network committed to a CO₂-neutral Switzerland. The core activities include: Organisation of events, courses and conferences on topics such as energy efficiency and renewable energies; Consulting and supporting small and medium-sized enterprises (SMEs) in the implementation of energy projects; Promoting innovation groups and projects in the field of renewable energies; Offering services such as monitoring, billing and maintenance of energy systems; Networking of companies, organisations and experts in the field of renewable energies. The company serves as a platform for the exchange of ideas, solutions and expert knowledge in the field of renewable energies and energy efficiency.

Sustainability Sector
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Energie Corgémont SA Logo

Energie Corgémont SA 

Corgémont · Since 2020

The core activity of Energie Corgémont SA is the production and distribution of heat energy through a district heating network, which relies on the use of wood from regional forests as an energy source.

Energy Suppliers
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Energie Dotzigen AG Logo

Energie Dotzigen AG 

Dotzigen · Since 2019

The core activity of Energie Dotzigen AG is the generation and distribution of district heating, in particular through the operation of a heat network that supplies renewable energy.

Energy Suppliers
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.