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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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Matching companies

9'016 companies found

Daniel Schilter DAWIROCA Logo

Daniel Schilter DAWIROCA 

Wollerau · Since 2010

Technical Consulting & EngineeringSustainability Sector
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wattss Holding AG Logo

wattss Holding AG 

Frauenfeld · Since 2011

The core activity of De Lorean Power GmbH is to advise and support companies in the field of renewable energies, mobility and digitalization. The company acts as a network company and supports the transformation towards a fossil fuel-free and nuclear-free energy economy. The activities include the development of strategies and solutions for a sustainable energy supply, particularly in the areas of power grids and renewable energies.

Sustainability SectorHolding Companies
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Denn Morina Sàrl Logo

Denn Morina Sàrl 

Le Mont-Sur-Lausanne · Since 1998

Denn Morina Sàrl is a Swiss company specializing in the planning and implementation of sustainable energy projects. The company's core activities include the installation of solar panels, radiant panels, ventilation systems, air conditioning systems, and heating systems. Additionally, the company offers a wide range of services in the field of sustainable energy and construction, including the planning and implementation of customized projects tailored to the needs of its clients.

Solar & Photovoltaics
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Deponie Bünztal AG Logo

Deponie Bünztal AG 

Nesselnbach · Since 2010

Waste Management Industry
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Deponie Höli Liestal AG Logo

Deponie Höli Liestal AG 

Liestal · Since 2008

Waste Management Industry
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DESAQUA GmbH Logo

DESAQUA GmbH 

Schindellegi · Since 2012

Water SupplyElectrical Industry
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Dezentral R. Jensen Logo

Dezentral R. Jensen 

Seeberg · Since 2013

Solar & Photovoltaics
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Die Sonnenstrom AG Logo

Die Sonnenstrom AG 

Chur · Since 2010

Solar & Photovoltaics
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Digital for Planet - D4P Logo

Digital for Planet - D4P 

Dübendorf · Since 2020

Sustainability Sector
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Di Leva Haustechnik GmbH Logo

Di Leva Haustechnik GmbH 

Dübendorf · Since 2016

Plumbing & Building ServicesSolar & Photovoltaics
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dinatum klg Logo

dinatum klg 

Davos Platz · Since 2016

The core activity of dinatum encompasses two main areas: 1. **Biodiversity promotion**: This includes networking and landscape quality projects, habitat enhancements, species conservation projects, and surveys (ornithology, botany). 2. **Environmental communication**: This area includes science journalism, conceptualization and writing of print products, editorial work, as well as courses and events. The company thus offers services in the field of promoting biodiversity and communicating environmental issues.

Sustainability Sector
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Disenns GmbH Logo

Disenns GmbH 

Treiten · Since 2023

The core activities of Disenns GmbH are: 1. Planning, installation and maintenance of photovoltaic systems, 2. Planning and support for property drainage, and 3. Client support (BHU) and drafting services for construction and civil engineering projects. These activities are carried out by the two founders, Susanne and Roland Senn, who each have many years of experience in their respective fields.

Solar & Photovoltaics
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Divus Investment AG Logo

Divus Investment AG 

Zurich · Since 2013

The core activity of Divus Investment AG is the development and implementation of sustainable solutions, focusing on two main areas: 1. **Solar Energy**: Developing and implementing innovative solar solutions to promote energy generation from renewable sources. 2. **Real Estate Development**: Strategically developing properties to increase the value of land and buildings, creating sustainable solutions for the future. By combining these two areas, the company aims to develop sustainable and economically viable solutions for a better future.

Sustainability Sector
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DPT Renew Sagl Logo

DPT Renew Sagl 

Chiasso · Since 2011

The core activity of DPT Renew Sagl is the provision of strategic and business consulting services for public institutions, utilities and private companies in the energy supply sector. This includes: Strategic consulting for utilities, project management for renewable energy projects (solar, wind and biomass plants), energy efficiency consulting for industry, commerce and public institutions, energy contracting services, planning, financing, procurement and construction of energy plants, and management of federal and regional subsidy procedures. In addition, DPT also offers engineering, procurement and construction (EPC) services for the construction and operation of photovoltaic systems.

Solar & Photovoltaics
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E4 Services GmbH Logo

E4 Services GmbH 

Utzenstorf · Since 2000

Management ConsultingSustainability Sector
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Eagle Consulting and Trading AG Logo

Eagle Consulting and Trading AG 

Cham · Since 2023

The core activity of Eagle Consulting And Trading AG is consulting and trading in raw materials (commodities) as well as supporting investors and producers in the field of renewable energies, particularly with regard to the increasing demand for electrical energy and the associated volatility of electricity prices.

Sustainability Sector
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EauSolar Sàrl Logo

EauSolar Sàrl 

Neuchâtel · Since 2015

EauSolar Sàrl provides individualized services for sanitary installations, heating, ventilation, air conditioning, solar panels and heat pumps. The company serves private clients, property managers, factories, hospitals and public institutions and focuses on techniques and materials that support sustainable management of water, energy and waste (equipment compliant with SSIGE standards).

Solar & Photovoltaics
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EauSud S.A. Logo

EauSud S.A. 

Bulle · Since 2005

Water Supply
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e-beta gmbh Logo

e-beta gmbh 

Kreuzlingen · Since 2020

The core activity of e-beta GmbH is energy consulting and analysis for buildings, particularly in the renovation and replacement of heating systems. This includes conducting energy analyses, creating building energy certificates (GEAK), advising on the search for new heating systems, and supporting the application for funding.

Technical Consulting & EngineeringSustainability Sector
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ecaVert Sàrl Logo

ecaVert Sàrl 

Morges · Since 2010

The company's core activity is the development and application of ecological solutions for the treatment of pollutants in water and soil, particularly through the use of biobeds such as the VG Biobed TM. This includes the purification of pesticide-contaminated wastewater and the promotion of agroecology and organic farming.

Sustainability Sector
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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.