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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

IBS Intelligent Battery System GmbH Logo

IBS Intelligent Battery System GmbH 

Thun · Since 2007

IBS Intelligent Battery System GmbH designs, manufactures and sells electronic systems and modules for 12V and 24V mobile power, including dual-battery systems, pure-sine inverters, low-voltage disconnects, portable solar kits and lithium batteries. The company also supplies installation kits, portable power boxes and accessories for 4WD, commercial and emergency vehicles.

Solar & PhotovoltaicsElectrical Industry
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IBW Technik AG Logo

IBW Technik AG 

Wohlen Ag · Since 2001

IBW Technik AG provides electricity, gas and water supply services and related technical services such as network connections, installation inspections, public lighting, leak detection and geoinformation. Its services also include energy consulting, heat contracting (Wärme‑Contracting), installation solutions (including PV systems and e‑mobility) and a 24‑hour emergency service.

Energy Suppliers
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IDREL SA Logo

IDREL SA 

Baar · Since 2010

The core activity of IDREL SA is the production of renewable energy from domestic hydropower through the operation of hydroelectric power plants.

Energy Suppliers
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Idrogen Engiadinais SA Logo

Idrogen Engiadinais SA 

Samedan · Since 2021

The core activity of Idrogen Engiadinais SA is the construction and operation of emission-free and grid-friendly ecosystems around hydrogen in the Engadine region, including the production of hydrogen from renewable energy, the construction of hydrogen refueling stations and the operation of hydrogen ecosystems. The company aims to build a complete hydrogen value chain and infrastructure in the Engadine region.

Energy SuppliersGas Stations
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iFront AG Logo

iFront AG 

Lampenberg · Since 2022

The core activity of iFRONT is the development and implementation of intelligent facade control and building automation systems, aiming to reduce energy costs, decrease CO₂ emissions and promote the use of natural resources.

Sustainability Sector
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IG Appenzeller Naturstrom Genossenschaft Logo

IG Appenzeller Naturstrom Genossenschaft 

Oberegg · Since 2011

The core activity of IG Appenzeller Naturstrom is the production and supply of renewable energy, particularly through the construction and operation of eco-power generation facilities such as photovoltaic, biogas, hydro and wind power plants, with the aim of providing the region with sustainable energy.

Energy Suppliers
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IHS Group GmbH Logo

IHS Group GmbH 

Sursee · Since 2019

The core activity of IHS Group is the implementation and support of projects in the field of sustainability and energy, particularly in the development and implementation of environmentally friendly and economic solutions. This also includes the cleaning and recycling of decommissioned oil cables, as well as the distribution of products and services in the German and Danish markets.

Sustainability Sector
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ILE VERTE Logo

ILE VERTE 

Carouge Ge · Since 2022

The company is a tourist office whose core activity is to provide tourist information and services to facilitate visitors' exploration of the city of La Ciotat and its surroundings. This includes providing information on cultural and natural attractions, activities and events, as well as supporting the planning of stays and booking of accommodations.

Sustainability Sector
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IMION AG Logo

IMION AG 

Susten · Since 2022

The core activity of IMION AG is the generation, transportation and delivery of heat and cold through thermal networks, providing households and businesses with efficiently produced energy.

Energy Suppliers
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Imkerbildung Schweiz GmbH Logo

Imkerbildung Schweiz GmbH 

Appenzell · Since 2017

The company's core activity is the promotion and support of the health of honey bees, as well as the implementation of beekeeper training and education. The company also offers various services and resources for beekeepers and beekeepers, such as courses, workshops, consulting and materials. It is also committed to promoting bee friendliness and environmental protection.

Sustainability Sector
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Immark AG Logo

Immark AG 

Regensdorf · Since 1979

Immark AG is a recycling company that manages the recovery and proper disposal of electronic equipment and related composite materials. The company provides services such as data‑media destruction, collection and logistics solutions, dismantling operations, purchase of material fractions, and reporting/analytics.

Waste Management Industry
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Immark AG Aarwangen Logo

Immark AG Aarwangen 

Aarwangen · Since 2010

Immark AG Aarwangen operates a recycling facility for cooling equipment, processing refrigerators and other refrigeration units. The location page provides contact and dispatch details and lists certificates and site contacts.

Waste Management Industry
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Immo-Genossenschaft Convivere Logo

Immo-Genossenschaft Convivere 

Liestal · Since 2020

The company's core activity is the promotion and support of renewable energies, particularly solar energy and photovoltaics, as well as the development of socio-ecological economic models and the promotion of economic democracy.

Solar & Photovoltaics
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Impact Gstaad AG Logo

Impact Gstaad AG 

Schönried · Since 2023

The core activity of the company 'Impact Gstaad' is to promote sustainable development and social responsibility through the organization of events, the awarding of prizes (Green Business Award) and the networking of companies, experts and personalities from business, science and politics. The company focuses on topics such as Impact Investing, education and awareness-raising to advance regional and global sustainability goals.

Sustainability Sector
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improov gmbh Logo

improov gmbh 

Zurich · Since 2014

The core activity of improov gmbh is environmental consulting and management, particularly in the development of sustainability concepts, environmental management, Corporate Social Responsibility (CSR) and sustainability reporting. The company supports businesses in increasing their product and resource efficiency and offers services such as environmental awareness and energy consulting.

Technical Consulting & EngineeringSustainability Sector
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incolab GmbH Logo

incolab GmbH 

Zurich · Since 2018

The core activity of incolab is the development and implementation of projects and strategies for sustainable landscape development, particularly in the areas of agriculture, nature conservation and spatial planning. This includes the analysis and visioning of landscapes, the development of value chains, the promotion of local innovation processes and the implementation of measures to protect the environment and natural resources. The company works closely with various stakeholders from science, politics and economy and develops tools and methods to promote cooperation and knowledge exchange.

Sustainability Sector
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INDAVER Schweiz AG Logo

INDAVER Schweiz AG 

Tägerwilen · Since 2007

INDAVER Schweiz AG provides total waste management solutions for large‑scale industry and public authorities, offering services such as industrial and hazardous waste treatment, solvent recycling, wastewater treatment and recovery of valuable materials from waste.

Waste Management Industry
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Inderbitzin Metall-Recycling AG Logo

Inderbitzin Metall-Recycling AG 

Pfäffikon Sz · Since 1998

The core activity of Inderbitzin Metall-Recycling AG is metal recycling, particularly the collection, processing and utilization of scrap metal and waste metal.

Waste Management Industry
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Indigo Agriculture Europe GmbH Logo

Indigo Agriculture Europe GmbH 

Basel · Since 2020

The company's core activity is the development and marketing of biostimulants, in particular products such as N-Collect and PK-Release i30 duo, which are based on the "Carbon by Indigo" technology. The company offers these products to businesses and has a partnership with Wasa.

Sustainability Sector
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Indigo Partners AG Logo

Indigo Partners AG 

Montreux · Since 2022

Indigo Partners AG provides photovoltaic solar solutions, including solar panels, energy storage systems and design and installation services for residential and commercial clients.

Technical Consulting & EngineeringSolar & Photovoltaics
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INDULINE SA Logo

INDULINE SA 

Pully · Since 2013

Induline SA is specialized in the manufacture and distribution of fittings, accessories and systems for water supply, wastewater disposal, gas supply and other industrial applications. The core activities include the development and distribution of products such as valves, pipes, hose lines, shut-off valves, overflow valves, repair sleeves and other accessories for water and gas supply.

Water Supply
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Industrial Innovation Group SARL Logo

Industrial Innovation Group SARL 

Geneva · Since 2016

Industrial Innovation Group SARL is a system integrator that designs and implements electronic identification documents and the associated IT and production systems. Its products and services include electronic passports and ID cards, personalization and security‑printing solutions, payment cards, tax stamps, population registration and track‑and‑trace systems, and turnkey manufacturing and automation solutions for government projects.

Sustainability Sector
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Industrielle Betriebe Kloten AG Logo

Industrielle Betriebe Kloten AG 

Kloten · Since 1999

The core activity of Industrielle Betriebe Kloten AG (ibk) is the supply of households and businesses with energy and water, as well as the provision of services in the areas of energy efficiency and environmental protection. Specifically, this includes the delivery of electricity, water, natural gas, and heat, as well as the maintenance of photovoltaic systems, e-charging stations, and fiber optic networks. In addition, the company offers energy consulting, maintenance work, and guided tours.

Energy SuppliersWater Supply
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Industrielle Betriebe Huttwil AG Logo

Industrielle Betriebe Huttwil AG 

Huttwil · Since 2002

The core activity of Industrielle Betriebe Huttwil AG (IBH AG) is the safe, sufficient, rational, environmentally friendly and economic supply of its customers with electricity and communication services. This includes in particular: the production and distribution of electricity; the operation and maintenance of power grids and plants; the provision of communication services, including internet, telephony and mobile communications; and the operation and maintenance of communication networks and plants, including cable networks and fiber optic lines.

Energy Suppliers
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INERA SA Logo

INERA SA 

Fully · Since 2018

The core activity of INERA includes the development and marketing of products and services in the field of energy transition, particularly in the areas of electromobility, promotion of renewable energies and energy efficiency. The company offers solutions for private individuals, businesses and properties, and has a network of local distribution partners in Western Switzerland.

Sustainability SectorSoftware Development
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INERTA Umwelttechnik AG Logo

INERTA Umwelttechnik AG 

Locarno · Since 2002

INERTA Umwelttechnik AG designs, installs and commissions plants for the treatment of clean, lightly contaminated and heavily contaminated excavated soil, including wash-water treatment. The company also plans and delivers recycling, decontamination and material-recovery systems for construction waste, sludge and industrial waters, and provides services addressing PFAS contamination.

Waste Management Industry
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Inertstoffdeponie Emmet AG Logo

Inertstoffdeponie Emmet AG 

Seon · Since 2011

The core activity of Inertstoffdeponie Emmet AG is the disposal and storage of non-degradable materials, in particular inert materials such as excavation soil, bricks, concrete demolition waste, Eternit and other mineral construction waste, in a landfill in Seon.

Waste Management Industry
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Inertstoffdeponie Tannenbad GmbH Logo

Inertstoffdeponie Tannenbad GmbH 

Huttwil · Since 2001

The core activity of ISD Tannenbad GmbH is the operation of an inert waste landfill, where inert materials (e.g. excavation material, construction waste) are accepted, stored and rehabilitated to create high-quality arable land.

Waste Management Industry
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INES Energieplanung GmbH Logo

INES Energieplanung GmbH 

Bern · Since 2012

The core activity of INES Energieplanung GmbH is the provision of services in the field of energy and heating consulting, particularly for private property owners, the public sector, the real estate industry, and architects. The services include, among others: replacement of heating systems with renewable energies, district heating projects, succession solutions, heat contracting, energy and heating consulting, project development and project support, as well as general planning mandates. The company supports its customers in planning, implementing, and operating efficient and sustainable energy and heating solutions.

Technical Consulting & EngineeringSustainability Sector
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InfiniteSea AG Logo

InfiniteSea AG 

Zug · Since 2015

The core activity of InfiniteSea is the sustainable and regional production of sea fish and seafood through urban sea fish farming in Germany, using a closed-loop technology that is resource-efficient and environmentally friendly.

Sustainability Sector
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IN-FINITUDE AG Logo

IN-FINITUDE AG 

Herrliberg · Since 1983

The core activity of IN-FINITUDE AG is the development and implementation of sustainable solutions, particularly in the field of nature-based solutions (Nature-based Solutions, NbS), environmental monitoring and project management. The company offers consulting, education and networking services to support organizations in achieving their sustainability goals.

Management ConsultingSustainability Sector
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INFINITY NETWORK SA Logo

INFINITY NETWORK SA 

Vico Morcote · Since 2023

The core activity of Infinity Network SA is the provision of IT services, including: IT Managed Service Provider (MSP), hardware rental, virtual machine, complete management of IT systems, installation and sale of telephone systems (VoIP), and installation and sale of air conditioning systems. The company thus offers a wide range of IT services and products to support companies in managing and operating their IT systems.

Sustainability SectorIT Consulting & ServicesTelecommunications
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Infobridge GmbH Logo

Infobridge GmbH 

Zurich · Since 2003

The core activity of CEEX is the intelligent optimization of grid, energy and system services in the field of renewable energies, particularly photovoltaics. The company develops and offers solutions for the forecasting and optimization of energy flows, grid congestion and stability, as well as for the integration of renewable energies into the distribution grid. CEEX also provides services such as dispatch management, decentralized flexibility and energy marketplaces to improve the efficiency and sustainability of the energy supply system.

Sustainability SectorSoftware Development
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INFRAconcept AG Logo

INFRAconcept AG 

Bern · Since 2013

The company offers services in the field of sustainable infrastructure and environmental development. The core activities include: * Development of projects and programs to reduce greenhouse gas emissions and sell emission certificates (carbon credits) * Creation of greenhouse gas balances and support for customers on the path to net-zero emissions * Water and energy data management through the collection, evaluation and comparison of cost, performance and energy data * Benchmarking of cost and performance data * Analysis, consulting and development of solutions for infrastructure operators, associations and regulatory authorities in the fields of environment, energy and infrastructure.

Sustainability Sector
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InfraRoss SA Logo

InfraRoss SA 

Rossinière · Since 2021

InfraRoss SA develops, finances and operates technical, energy and sustainable infrastructures to provide public services. The company aims to support the energy transition and achieve local carbon neutrality.

Energy SuppliersSustainability Sector
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Infrasolar Sàrl Logo

Infrasolar Sàrl 

Le Locle · Since 2012

The core activity of Infrasolar Sàrl is the planning, installation, maintenance and repair of photovoltaic systems. The company offers specialized services for the conversion of solar energy into electrical energy and supports customers in the selection and implementation of customized photovoltaic systems.

Solar & Photovoltaics
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Infra Waste International AG Logo

Infra Waste International AG 

Pfäffikon Sz · Since 2019

The core activity of Infra Waste is the development, manufacture and marketing of technologies for the disposal of municipal waste through catalytic mineralization. This technology enables the treatment of various types of waste, including hazardous, liquid and medical waste, at low temperatures without releasing harmful gases and particles. The company offers modular plants available in various sizes with a capacity of 1.5 to 300 tons of waste per day. The technology reduces waste by up to 99% and produces a mineral dust that can be used in the construction industry.

Waste Management Industry
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Inmova AG Logo

Inmova AG 

Winterthur · Since 2024

Inmova AG specializes in electrical installations for caravans, marine vessels and off‑grid photovoltaic systems. The company provides consulting, system design, installation and support, and supplies components such as batteries, chargers, navigation equipment and related accessories, including products from manufacturers like Mastervolt.

Technical Consulting & EngineeringSolar & PhotovoltaicsWholesale - Machinery & Technical Equipment
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inNET Monitoring AG Logo

inNET Monitoring AG 

Altdorf Ur · Since 2004

The core activity of inNET Monitoring AG is the provision of environmental services, particularly in the areas of: consulting, measurements, data processing, installation and operation of environmental monitoring systems, data collection, processing and storage, cloud services with its own high-performance data center, scientific data analysis, specific presentations, environmental communication, and applied research. The company is thus a competence center for environmental monitoring and consulting.

Sustainability Sector
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InoSmart Consulting GmbH Logo

InoSmart Consulting GmbH 

Reinach Bl · Since 2020

The core activity of InoSmart Consulting GmbH is the provision of consulting, project management and association services in the fields of sustainability, environment, energy, urban development and education.

Sustainability Sector
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inoxsa sàrl Logo

inoxsa sàrl 

Bévilard · Since 2012

The core activity of INOXSA is the manufacture and distribution of products for the collection and storage of rainwater, particularly cisterns, as well as providing services for detecting water leaks. Additionally, the company also offers consulting services for projects in the field of solar energy and water management.

Sustainability Sector
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InstaWorks Massimo Ravanelli Logo

InstaWorks Massimo Ravanelli 

Reinach Bl · Since 2016

Solar & Photovoltaics
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Institut für Agrarökologie (agroecology.science) AG Logo

Institut für Agrarökologie (agroecology.science) AG 

Aarau · Since 2020

Institut für Agrarökologie (agroecology.science) AG provides scientific advisory and sustainability services for agriculture and the food sector. The institute develops practical measurement and assessment tools (including environmental, biodiversity and climate calculators), supports project development and implementation, and produces expert reports, studies and presentations.

Sustainability Sector
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Institut für angewandte Pflanzenbiologie AG Logo

Institut für angewandte Pflanzenbiologie AG 

Witterswil · Since 2018

The company's core activity is the monitoring and analysis of forest ecosystems and urban trees, including the study of influences such as climate change, air pollutants and soil compaction. This also includes laboratory analysis of plant, soil and water samples, as well as conducting measurements and observations in forest and urban areas.

Sustainability Sector
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Institutional Shareholder Services Switzerland AG Logo

Institutional Shareholder Services Switzerland AG 

Zurich · Since 2010

Institutional Shareholder Services Switzerland AG provides governance research and proxy voting services, together with sustainability/ESG solutions and data & analytics products for investors and corporate issuers.

Management ConsultingSustainability Sector
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Integrated Sustainable Development Foundation Logo

Integrated Sustainable Development Foundation 

Basel · Since 2022

The core activity of ISD Foundation is to promote sustainable development in underserved areas of the global South. To achieve this, the company works closely with local communities and multidisciplinary teams to create resilient neighborhoods that are in harmony with nature and community needs. Specifically, the company's core activity includes: Developing planning strategies and spatial concepts; Designing systems and frameworks with social and ecological sensitivity and economic viability; Collaborating with academic institutions to conduct research projects and apply for grants; Advising financiers and implementation partners; Conducting research and monitoring activities to understand complex contexts and assess risks; Supporting companies in achieving ESG goals (Environmental, Social, and Governance) by engaging employees in charitable projects.

Sustainability Sector
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Intended Foods AG Logo

Intended Foods AG 

Baar · Since 2021

The core activity of Intended Foods is to develop and implement innovative market solutions for problematic frozen food products. The company helps frozen food manufacturers find new uses for their unsold or hard-to-sell products, rather than destroying them or using them as animal feed. Intended Foods focuses on creating sustainable and socially responsible solutions that meet the highest standards in terms of safety, quality, and brand reputation.

Sustainability Sector
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Intently Sàrl Logo

Intently Sàrl 

Geneva · Since 2024

Intently Sàrl provides sustainability consulting services, including tailored consulting projects, online stakeholder engagement campaigns, and facilitated workshops. Its activities focus on integrating sustainability into business models and aligning projects with evolving sustainability frameworks and standards.

Management ConsultingSustainability Sector
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Interessengemeinschaft Orgakomp AG Logo

Interessengemeinschaft Orgakomp AG 

Läufelfingen · Since 1999

The core activity of Orgakomp AG is the processing of organic materials such as green waste, branch material and organic waste to produce high-quality compost, which is used as an ecological fertilizer in regional agriculture and by private individuals.

Waste Management Industry
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INTERNATIONAL EMISSIONS TRADING ASSOCIATION (I.E.T.A.) Logo

INTERNATIONAL EMISSIONS TRADING ASSOCIATION (I.E.T.A.) 

Geneva · Since 2000

Terra Global is primarily engaged in sustainable landscape management, climate finance, and the development of models for sustainable solutions. It provides technical expertise and investment capital to governments, NGOs, and private companies to finance and develop commercially viable programs for sustainable landscape management.

Sustainability Sector
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LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

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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.