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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,219 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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IndustryEnergy & Environment
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Matching companies

9'014 companies found

Sustainserv GmbH Logo

Sustainserv GmbH 

Zurich · Since 2001

SustainServ is a globally active management consulting firm specializing in the integration of sustainability aspects into companies' strategies, day-to-day operations, and reporting. The company's core activities include: * Development of sustainability strategies * Materiality analysis * Greenhouse gas accounting * Human rights assessments * Stakeholder engagement * GRI reporting * Implementation and monitoring of sustainability measures * Reporting and communication of sustainability performance The company supports its clients in integrating sustainability into their business practices and helps them achieve their long-term goals.

Management ConsultingSustainability Sector
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SW Consulting SA Logo

SW Consulting SA 

Geneva · Since 1986

The core activity of SW Consulting SA encompasses two main areas: 1. **Resource and Energy Economics**: The company examines global supply chains of fossil fuels and the possibilities of replacing them with CO2-free energy sources. Additionally, related topics such as water and the interconnection of energy, water, and agriculture (energy-water-agriculture "nexus") are analyzed. 2. **IT Support**: SW Consulting offers consulting services in various IT areas, including database design, internet protocols, software design, and custom programming.

Sustainability Sector
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Swiss Better Gold Association Logo

Swiss Better Gold Association 

Tannay · Since 2018

The core activity of Swiss Better Gold Association is to promote and support the development of responsible and sustainable supply chains for gold from small and medium-sized mining operations (Artisanal and Small-scale Mining, ASGM). This includes providing technical support, social investments and establishing direct supply chains between the mining operations and the association's members. The goal is to improve the living conditions of mining communities and establish responsible, sustainable and transparent supply chains in the gold sector.

Sustainability Sector
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Swiss Clever Energy AG Logo

Swiss Clever Energy AG 

Bern · Since 2012

The core activity of Swiss Clever Energy AG includes the purchase and sale of its own plots of land, buildings and apartments, as well as the development and implementation of sustainable energy supply models, including decentralized power generation plants and electromobility solutions.

Energy SuppliersSolar & Photovoltaics
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Swiss Climate AG Logo

Swiss Climate AG 

Naters · Since 2021

Swiss Climate AG is a consultancy specialising in CO2 management, sustainability, climate protection projects and energy. Its services include carbon footprinting for companies, products and events, sustainability strategy and reporting, climate project development and financing, training courses, and communication and advisory services for public institutions and businesses.

Sustainability Sector
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Swiss Climate AG Logo

Swiss Climate AG 

Bern · Since 2006

Swiss Climate AG is a consultancy focused on CO₂ management, sustainability management, climate protection projects and energy. The company provides services for businesses, product and event assessments, and public entities, including carbon accounting, advisory on mitigation measures, climate reporting and project development. Its services also include training, communication support and assistance with net‑zero roadmaps.

Sustainability Sector
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Smart City AG Logo

Smart City AG 

Basel · Since 2024

Smart City AG is a company in electrical engineering and energy innovation that develops and implements technologies for smart cities, cyberkinetics and renewable energy. Services include solar and wind energy systems, energy‑efficient data centers, blockchain‑based energy projects and Bitcoin mining, IoT and cyberkinetic solutions, modern agricultural technology, gas power plant modernization, water distillation, waste‑to‑energy systems, BIM and project management for urban infrastructure.

Technical Consulting & EngineeringElectrical Planning & InstallationSolar & Photovoltaics
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SwissEcoSystems GmbH Logo

SwissEcoSystems GmbH 

Bülach · Since 2008

The core activity of SwissEcoSystems GmbH is the planning, development and implementation of projects in the field of renewable energies, particularly photovoltaics (PV), as well as consulting and supporting private individuals, companies and administrations in the sustainable and resource-efficient design of their projects.

Solar & Photovoltaics
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swissEmbedded GmbH Logo

swissEmbedded GmbH 

Nussbaumen Ag · Since 2002

The company is a provider of solar systems and related products and services. The core activities include: * Sales of complete solar systems, solar modules, inverters, storage systems and other related products * Consulting and planning of solar systems for private and commercial customers * Provision of services such as installation, maintenance and repair of solar systems * Sales of storage solutions for solar systems, including the integration of products like the Tesla Powerwall * Provision of additional products and services such as data loggers, monitoring systems and insurance for solar systems.

Solar & Photovoltaics
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Swiss Energie Luzern AG Logo

Swiss Energie Luzern AG 

Lucerne · Since 2022

The core activity of Swiss Energie Luzern AG is the planning, installation and maintenance of photovoltaic systems (PV systems) for companies, in order to support them in the use of renewable energy and the reduction of electricity costs.

Energy SuppliersSolar & 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.