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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

mafi geo Sàrl Logo

mafi geo Sàrl 

Savièse · Since 2024

The core activity of mafi geo Sàrl is the provision of services in the fields of geology, environmental protection and water management. Specifically, this includes acting as an office for geological and environmental studies.

Sustainability Sector
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magnefico GmbH Logo

magnefico GmbH 

Zurich · Since 2014

Magnefico GmbH provides consulting services to companies in the field of sustainable economy, particularly in the areas of circular economy, renewable energies, energy efficiency, digitalization and ESG (Environmental, Social and Governance). The company's core activity is to support companies in developing and implementing sustainable business models and strategies to increase their value creation and improve their environmental and social responsibility.

Management ConsultingSustainability Sector
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Magnetify AG Logo

Magnetify AG 

Baar · Since 2013

Magnetify AG is a company focused on the renewable energy sector that provides consulting and development services for energy projects. Services include technical due diligence, site selection, interconnection and offtake (PPA) support, managing RFPs and contractor selection, quality assurance and project management during construction, and performance checks, O&M support and issue resolution during operation.

Technical Consulting & EngineeringSustainability Sector
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Maidan Energy Sàrl Logo

Maidan Energy Sàrl 

Geneva · Since 2024

The core activity of Maidan Energy is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, battery storage systems and other energy efficiency solutions. The company offers its customers tailored solutions for the transition to renewable energy and supports them in achieving their sustainable development goals.

Solar & Photovoltaics
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Maison de l'Alimentation du Territoire de Genève (ma-terre) Logo

Maison de l'Alimentation du Territoire de Genève (ma-terre) 

Geneva · Since 2024

The core activity of the company 'Ma-Terre' consists of organizing and conducting workshops, team-building events and other activities in the field of sustainable nutrition and agriculture. The company also offers spaces for the organization of events and workshops. The activities are aimed at various target groups, including families, children, adults and professional teams.

Sustainability Sector
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Malenta GmbH Logo

Malenta GmbH 

Baar · Since 2022

The core activity of Malenta GmbH is the development, manufacture and marketing of innovative, ecological and patented cleaning products, particularly in the field of household and kitchen cleaning, such as washing and cleaning concepts, dishwasher detergents, iron sole cleaners and wash pads.

Sustainability Sector
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Mani Trans GmbH Logo

Mani Trans GmbH 

Oey · Since 2015

The core activity of ManiTrans is the provision of skip container services and waste disposal.

Waste Management Industry
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Marbridge GmbH Logo

Marbridge GmbH 

Lucerne · Since 2017

The core activity of Marbridge GmbH is the brokerage of environmental products and services in the energy sector, particularly as a broker for the trade of environmental products.

Sustainability Sector
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Marcel Levy GmbH Logo

Marcel Levy GmbH 

Segnas · Since 1998

The core activity of Levy Solar is the installation and servicing of home technology, particularly in the field of solar systems and home automation.

Solar & Photovoltaics
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Maria Jakober Umwelt GmbH Logo

Maria Jakober Umwelt GmbH 

Stalden (Sarnen) · Since 2017

The core activity of Maria Jakober's company encompasses services in the fields of environment and communication. Specifically, it offers the following activities: In the environmental sector: capturing, planning, accompanying, enhancing and informing. In the communication/human sector: guiding, shaping, writing, progressing, mediating and moderating. Thus, it is a company specialized in environmental consulting and communication services.

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.