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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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9'016 companies found

simpal consulting gmbh Logo

simpal consulting gmbh 

Münchenstein · Since 2023

simpal consulting gmbh provides customized, stepwise risk and impact assessments to measure the real-world effects of projects and initiatives across health, environmental and economic dimensions. The firm uses a systems-based approach and tools such as Simpal-KAP (behavioral-science assessments of training outcomes) and Simpal-RisX (microbial risk modelling combined with cost-effectiveness analysis) to design and evaluate interventions.

Technical Consulting & EngineeringSustainability Sector
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Simpligy GmbH Logo

Simpligy GmbH 

Guntershausen B. Aadorf · Since 2022

The core activity of Simpligy is the planning, construction and operation of photovoltaic systems in Switzerland. They offer turnkey solar power plants, taking care of all aspects, including project planning, coordination with partners, application for funding, quality checks and long-term support.

Solar & Photovoltaics
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sineco GmbH Logo

sineco GmbH 

Uster · Since 2018

The core activity of sineco GmbH is the development, manufacture and distribution of waterless urinals and related accessories, such as valves and adapter systems, for various brands. The company offers both completely waterless and hybrid versions and focuses on the development of innovative and odorless solutions for the sanitary industry.

Sustainability Sector
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Sinovis AG Logo

Sinovis AG 

Binningen · Since 2013

The core activity of Sinovis is to advise and support property owners and investors in the sustainable design of living spaces, climate-neutral and resource-efficient construction and operation of buildings, as well as the implementation of processes within the company for sustainable development. This includes in particular: energetic operational optimization of buildings, creation of CO2 reduction paths to achieve climate neutrality, planning, realization and operation of MeteoViva Climate, certification of buildings according to DGNB standard, development of digital tools for property management, and consulting on the sustainable design of real estate portfolios. Sinovis combines technical expertise with ecological, economic and social expertise to offer a holistic consulting service.

Sustainability Sector
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Sinum AG Logo

Sinum AG 

St. Gallen · Since 1993

The core activity of sinum AG is to advise companies, organizations and municipalities in the field of environmental management, with the aim of reducing environmental impacts and costs. To this end, the company offers in-depth analyses (life cycle assessments, CO2 balances, life cycle costs) and tools to support management in decision-making and goal-setting. In addition, sinum AG develops and offers standardized services and software applications, such as the self-developed REGIS software, to efficiently process complex issues.

Sustainability Sector
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Site de la Féronde SA Logo

Site de la Féronde SA 

Charrat · Since 2006

The core activity of Féronde SA is the operation of an inert material landfill (DCMI), where customers can deposit inert materials.

Waste Management Industry
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skat foundation Logo

skat foundation 

St. Gallen · Since 2002

The core activity of Skat Foundation is to promote sustainable development and environmental protection through projects and networks in the areas of renewable energy, waste management, water supply and management. The company acts as a "connector, enabler and facilitator" and offers services such as project management, capacity building, knowledge management and social and economic development.

Sustainability Sector
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SKB Rohstoff und Recycling AG Logo

SKB Rohstoff und Recycling AG 

Gossau Sg · Since 2021

The core activity of SKB Rohstoff & Recycling is the procurement, sale and processing of raw materials, in particular scrap and metals, as well as the provision of services in the fields of logistics and waste management. The company trades in various types of scrap, such as steel scrap, alloyed steel scrap and non-ferrous metals, and also offers services such as classification and processing of waste.

Waste Management Industry
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Skoglund Environmental Advisory GmbH Logo

Skoglund Environmental Advisory GmbH 

Küsnacht Zh · Since 2020

The core activity of Skoglund Environmental Advisory GmbH is the provision of environmental and sustainability services to the raw materials industry, particularly the metal and mining industry. The services include, among others, environmental assessments, sustainability reporting, risk management, due diligence audits, performance improvement and the remediation of contaminated sites.

Sustainability Sector
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SLM LAND MANAGEMENT STIFTUNG Logo

SLM LAND MANAGEMENT STIFTUNG 

Bern · Since 2012

The core activity of the company "Swiss Land Management Foundation" is the promotion and support of sustainable land use and land management in Switzerland and internationally. This includes the development of integrated approaches to sustainable land use, the promotion of North-South-East exchange, the provision of technical expertise and the support of projects in the field of land management, land policy and sustainable development.

Sustainability Sector
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SLT énergie Sàrl Logo

SLT énergie Sàrl 

Orbe · Since 2024

The core activity of SLT énergie Sàrl is the conception, realization and maintenance of photovoltaic systems and energy storage systems for private and commercial customers.

Solar & Photovoltaics
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SMAPUNTOCH SA Logo

SMAPUNTOCH SA 

S. Pietro · Since 2021

The core activity of Smapuntoch is the planning, installation and maintenance of photovoltaic systems for private and commercial customers, with the aim of supporting them in generating renewable energy and reducing their energy costs.

Solar & Photovoltaics
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Smart Energy Link AG Logo

Smart Energy Link AG 

Frutigen · Since 2017

The core activity of Smart Energy Link AG is the development and implementation of energy solutions, particularly in the field of solar energy and electromobility. The company offers intelligent solar power controls that enable the economic and convenient use of self-produced solar power. In addition, Smart Energy Link AG also provides energy concepts and specialized planning to turn buildings into profitable power plants.

Technical Consulting & EngineeringSolar & Photovoltaics
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SMART HOME SA Logo

SMART HOME SA 

Gland · Since 2002

The core activity of SmartHome is the development and distribution of solutions for home automation, particularly in the field of sustainable and environmentally friendly technologies. The company focuses on creating products and systems that enable living spaces to be designed more efficiently and in an environmentally friendly manner, offering a wide range of services and products tailored to the needs of private customers and professional users.

Sustainability Sector
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Smart Resources GmbH Logo

Smart Resources GmbH 

Stans · Since 2013

The core activity of Smart Resources GmbH is in the field of environmental technology, particularly in the planning, implementation and optimization of recycling and waste projects, as well as in consulting and supporting companies in resource efficiency, utilization of military stocks and waste management. Specific focuses are on electrical and electronic waste recycling, military and industrial disposal, as well as the development of solutions for the safe disposal of lithium batteries.

Technical Consulting & EngineeringWaste Management Industry
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Smartsuna SA Logo

Smartsuna SA 

Sion · Since 2020

Smartsuna provides solutions for companies to increase their energy autonomy by installing solar systems and implementing energy management systems to optimize energy consumption and reduce dependence on the power grid.

Solar & Photovoltaics
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smartvolt AG Logo

smartvolt AG 

Selzach · Since 2013

The core activity of Smartvolt AG is the development and licensing of a foldable solar system called SmartSolarBox, designed for installation on flat roofs and other surfaces. The company provides license partners with the necessary plans, parts and training to manufacture and install the SmartSolarBox in their own production facilities.

Industrial & Product DesignSolar & Photovoltaics
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SmartWaste AG Logo

SmartWaste AG 

Volketswil · Since 1980

Waste Management Industry
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smaXtec AG Logo

smaXtec AG 

Meilen · Since 2022

The company smaXtec animal care GmbH develops and distributes a system for monitoring and improving the health and well-being of livestock, particularly in agriculture. The company's core activity is providing technologies and services to support farmers and animal owners in optimizing animal health, reproduction and nutrition.

Sustainability Sector
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Smidt Toitures Sàrl Logo

Smidt Toitures Sàrl 

St-Triphon · Since 2022

The core activity of Smidt Toitures Sàrl is Ferblanterie-Couverture, i.e. roofing and the installation of roofing systems, including the installation of solar systems, as well as the maintenance and upkeep of roofs, including the installation of Velux roof windows and ensuring the watertightness of roofs.

Solar & Photovoltaics
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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.