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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

AVIA VOLT Suisse AG Logo

AVIA VOLT Suisse AG 

Frauenfeld · Since 2023

The core activity of AVIA VOLT is the planning, installation and maintenance of charging infrastructure for electric vehicles, in particular fast charging stations and large battery storage systems, as well as the provision of services and products in the field of electromobility.

Energy SuppliersSoftware DevelopmentMobility Services
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Solar3 di Fornera Thomas Logo

Solar3 di Fornera Thomas 

Ascona · Since 2022

The core activity of AVONIA Solar Energy is the planning, implementation and distribution of solar systems and other renewable energy systems, including consulting and support for the transition to alternative energy sources such as photovoltaics and heat pumps.

Solar & Photovoltaics
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AVO Wiederkehr Recycling AG Logo

AVO Wiederkehr Recycling AG 

Schwarzenbach Sg · Since 1971

AVO Wiederkehr Recycling AG operates recycling facilities, including a shredder and various sorting and separation systems, and trades in recyclable materials. The company provides logistics and waste-disposal services such as collection, demolition and skip services.

Waste Management Industry
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AWV Abwasserwärmeverbund Sissach AG Logo

AWV Abwasserwärmeverbund Sissach AG 

Sissach · Since 1994

The company's core activity is the production and distribution of district heating, particularly through the use of wood chip firing and wastewater heat using heat pumps, as well as providing services in the field of heat supply for private and business customers.

Energy Suppliers
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AXEL FIBRO AG Logo

AXEL FIBRO AG 

Schaffhausen · Since 2016

The core activity of Axel Fibro AG is the development, implementation, financing and operation of projects in the field of bioenergy, particularly the production of electricity and heat from local, renewable energy sources, while meeting the highest ecological requirements and using circular economy principles.

Energy SuppliersWaste Management Industry
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Axpo Tegra AG Logo

Axpo Tegra AG 

Domat/Ems · Since 2004

The company's core activity is the production, procurement, marketing and delivery of energy products such as electricity and natural gas, as well as the provision of services in the field of energy supply, including the purchase and marketing of electricity from power plants, trading in CO2 emission certificates and guarantees of origin, as well as the provision of digital solutions for the energy industry.

Energy Suppliers
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Ayron Energy GmbH Logo

Ayron Energy GmbH 

Basel · Since 2002

The core activity of Ayron Energy GmbH is consulting and managing projects in the field of sustainable energy development, including energy management and consulting.

Management ConsultingSustainability Sector
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AZA Transport AG Logo

AZA Transport AG 

Niederurnen · Since 2024

The core activity of AZA Transport AG is the execution of crane and disposal work.

Waste Management Industry
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Aziende Industriali di Lugano (AIL) SA Logo

Aziende Industriali di Lugano (AIL) SA 

Lugano · Since 2000

The core activity of AIL (Appalti Industriali di Lugano) SA is the production, distribution and marketing of energy, particularly thermal energy, natural gas, biogas and solar energy. The company also offers consulting services and products such as industrial water, ComfortBox, district heating networks and combined heat and power plants. Additionally, it is active in the fields of contracting and renewable energies.

Energy Suppliers
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Azolla GmbH Logo

Azolla GmbH 

Zurich · Since 2021

The company Azolla supports other companies in defining and implementing their sustainability goals, particularly in the area of climate change. The core activities include: calculation and reduction of CO2 emissions, development of compensation strategies for remaining emissions through carbon removal projects, conducting sustainability workshops for management and employees, and consulting on the implementation of sustainability measures and projects. Azolla thus offers a wide range of services to support companies in achieving their sustainability goals, particularly in the area of climate protection.

Sustainability Sector
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AZZERA INC., Montréal (Québec/Canada), Zweigniederlassung Zürich Logo

AZZERA INC., Montréal (Québec/Canada), Zweigniederlassung Zürich 

Zurich · Since 2022

The core activity of Azzera is the development and provision of solutions for companies to minimize their environmental impact and achieve a positive climate balance. This includes the development of software platforms such as CELESTE, which enables companies to track, reduce and compensate their CO2 emissions, as well as consulting services for companies to develop and implement their sustainability strategies.

Sustainability Sector
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B10 Char Trading AG Logo

B10 Char Trading AG 

Walchwil · Since 2017

B10 Char Trading AG is a producer of biochar that converts waste biomass into stable carbon using automated continuous kilns. The company offers raw and pre-charged biochar for agricultural use in retail and wholesale quantities, provides technical guidance to users, and intends an initial operational focus in South Africa.

Sustainability SectorGeneral Goods Production
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BÄCHI POWER Logo

BÄCHI POWER 

Haag (Rheintal) · Since 2023

BÄCHI POWER is primarily engaged in the development, manufacture and distribution of products and services in the field of renewable energies, particularly solar energy and energy storage. The core activities include consulting, delivery and installation of photovoltaic systems, energy storage systems and related components such as inverters and batteries. In addition, the company also offers services such as planning and project planning of energy storage and photovoltaic systems.

Solar & Photovoltaics
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Bächler Energie AG Logo

Bächler Energie AG 

Rechthalten · Since 2012

The company's core activity is the management and provision of information and services for the municipality of Rechthalten, including the areas of waste management, social services, commerce, tourism, education, churches and administration. It is an official website of the municipality, providing information and services to citizens.

Energy SuppliersSolar & Photovoltaics
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Bach und Flur Inh. Manuel Freiburghaus Logo

Bach und Flur Inh. Manuel Freiburghaus 

Thun · Since 2022

The core activity of the company 'Bach und Flur' is the provision of services in the field of environmental and nature conservation consulting, particularly in the areas of: biological water assessment and bioindication, species identification and promotion, especially of aquatic and terrestrial organisms such as insects, reptiles and amphibians, revitalization and rehabilitation of waters and habitats, conducting inventories, monitoring and success controls in the field of biodiversity, and creating expert opinions and consulting in matters of aquatic and terrestrial ecology. The company also offers excursions and hikes to insects and aquatic organisms and conducts habitat mapping.

Sustainability Sector
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Bader Paul Transporte AG Logo

Bader Paul Transporte AG 

Regensdorf · Since 2006

The core activity of Bader Paul Transporte AG primarily encompasses the areas of logistics, waste management, recycling, and construction. Specifically, the company offers the following services: transport of building materials and other goods, waste disposal of household and industrial waste, recycling services, operation of a waste disposal site, rental of skips and containers, and sale of building materials in its own shop. The company focuses on sustainability and e-mobility, as evidenced by the use of electric trucks.

Waste Management Industry
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Badertscher Haustechnik GmbH Logo

Badertscher Haustechnik GmbH 

Walkringen · Since 2003

The core activity of Badertscher Haustechnik GmbH is the planning, consulting, sales, installation and maintenance of heating and sanitary systems, including the use of various energy sources such as oil, gas, pellets, wood chips and solar energy. The company also operates an exhibition and a shop for heating and sanitary systems and offers service and maintenance services for these systems.

Plumbing & Building ServicesSheet Metal WorkSolar & Photovoltaics
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BALATEK GmbH Logo

BALATEK GmbH 

Au Sg · Since 2024

BALATEK GmbH provides planning, supply, installation and maintenance of residential solar power systems, including battery storage and solar-powered charging solutions.

Electrical Planning & InstallationSolar & Photovoltaics
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Bally Énergie Sàrl Logo

Bally Énergie Sàrl 

Nyon · Since 2024

The core activity of Bally énergie is the planning, installation and maintenance of systems for the production and distribution of renewable energy, particularly: photovoltaic installations, energy storage systems (batteries), electric vehicle charging points (charging stations) and monitoring and optimization of energy consumption. The company also provides consulting and planning services for the implementation of energy projects, with the aim of finding an efficient and aesthetic solution that is both cost-effective and environmentally friendly.

Solar & Photovoltaics
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BAMA Recycling AG Logo

BAMA Recycling AG 

Lenzburg · Since 2019

BAMA Recycling AG processes mineral construction waste and supplies mineral recycling construction materials, including processed recycled concrete and gravel. Price lists and contact details for orders and deliveries are provided on the website.

Waste Management Industry
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BAQ GmbH Logo

BAQ GmbH 

Stetten Ag · Since 2011

The core activity of BAQ GmbH is the provision of services in the field of manure and compost services, including the production and transportation of natural fertilizers, as well as the provision of rake equipment, winter storage and farm fertilizers.

Waste Management Industry
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BARBUL Recycling Logo

BARBUL Recycling 

Oetwil Am See · Since 2016

The core activity of Barbul Recycling is the collection, transportation, storage, sorting and processing of iron, steel and non-ferrous metal scrap as well as other metallic materials for use in the iron, steel and metal industry. In addition, the company offers services in the field of clearance and disposal, including the collection and disposal of scrap, old metal and other materials, as well as the dismantling of equipment and appliances.

Waste Management Industry
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BARCIKOWSKI CONSULTING AG Logo

BARCIKOWSKI CONSULTING AG 

Zurich · Since 1977

BARCIKOWSKI CONSULTING AG provides consulting services in the cleantech sector and supports projects and investments in advanced environmental technologies. The firm's activities include IP-related consulting and involvement in technologies such as third‑generation biodiesel production and filter, insulation and battery technologies.

Management ConsultingSustainability Sector
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Bärenbach GmbH Logo

Bärenbach GmbH 

Milken · Since 2004

The core activity of the company is the management of a farm with various offers such as accommodation options (farmhouse, yurts, campsites), agricultural activities (pastures, animals), events (parties, concerts, lectures) and services (consulting, focusing, sensitive-media consulting). The farm is operated as a community project and aims to create a sustainable and self-sufficient community.

Sustainability Sector
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Barko Energie AG Logo

Barko Energie AG 

Sursee · Since 2021

The core activity of Barko Energie AG is the production and sale of sustainable energy, in particular through the installation and operation of photovoltaic systems (PV systems) on the roofs of buildings owned by Barko Immobau AG.

Solar & Photovoltaics
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Bar.Lo Immobilier SA Logo

Bar.Lo Immobilier SA 

Bellinzona · Since 2004

Bar.Lo Immobilier SA provides tailored services to companies and investors in real estate, energy and strategic consulting. Offerings include studies and technology transfer, corporate development and project management, environmental and energy audits and services, advisory on property transactions, and financial/holding-related consulting.

Energy Suppliers
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Baron Sustainability GmbH Logo

Baron Sustainability GmbH 

Zurich · Since 2022

The core activity of Baron Sustainability GmbH is the provision of sustainability-related consulting services for companies, particularly in the areas of environmental consulting, climate strategies, sustainability management and business transformation.

Sustainability Sector
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base10 Sàrl Logo

base10 Sàrl 

Portalban · Since 2023

base10 Sàrl develops and produces biostimulants and soil-revitalization products for agricultural use. Services include soil diagnostics and seed conditioning, and the product range (e.g., B10STARTER, B10VIVA, B10FERTILIZER, B10STABILIZER, B10ROBUSTA, B10SENTINEL) targets soil biological activity, nutrient availability and plant health.

Sustainability Sector
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Baskarad Umweltservice AG Logo

Baskarad Umweltservice AG 

Würenlingen · Since 2023

The core activity of Baskarad AG includes the execution of demolition, dismantling and gutting work as well as the remediation of pollutants, disposal of demolition materials and recycling. The company offers these services to industrial, large-scale and private customers, with a focus on sustainable cycles, cost and resource saving potential.

Waste Management Industry
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Battaglia Elektro-Bau GmbH Logo

Battaglia Elektro-Bau GmbH 

Sarmenstorf · Since 2023

The core activity of Battaglia Elektro-Bau GmbH is the provision of services in the field of electrical installation and construction, particularly in the field of solar energy.

Solar & Photovoltaics
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Batteries & Concept à Champagne Sàrl Logo

Batteries & Concept à Champagne Sàrl 

Champagne · Since 2005

The core activity of Batteries & Concept is the development, integration and distribution of energy and battery solutions, particularly for use in vehicles such as trains, buses and metros, as well as for stationary applications. The company offers a wide range of batteries and charging devices, including lead-gel batteries, lithium-ion batteries and solar batteries. It supports customers in selecting and implementing suitable energy and battery solutions and also offers maintenance and repair services.

Sustainability Sector
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BatteryBoost AG Logo

BatteryBoost AG 

Basel · Since 2024

BatteryBoost AG provides battery energy storage solutions and offers planning, procurement, installation, commissioning and operation of battery storage systems. The company supplies ready-to-deploy systems, kit-based components or turnkey projects and advises on selection of battery systems, inverters and MV skids in cooperation with partners.

Technical Consulting & EngineeringSustainability Sector
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Bauen mit Leuppi Logo

Bauen mit Leuppi 

Bremgarten Ag · Since 2020

The core activity of the company 'Bauen mit Leuppi' consists of planning, manufacturing, assembling and supervising facades, particularly glass facades, metal facades and other specialized facade solutions for buildings. The company offers full-service solutions, from consulting and planning to execution and billing of facade projects.

Interior ConstructionMetal ConstructionSolar & Photovoltaics
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Baumann Enertech Logo

Baumann Enertech 

Altendorf · Since 2006

Baumann Enertech supplies electric heating and climate-control equipment, including direct heaters, infrared heaters, bathroom radiators, storage and underfloor heating systems, heating cables and control devices. The company also provides photovoltaic systems, air-conditioning and dehumidification units, spare parts, technical consulting, installation documentation and after-sales support.

Solar & Photovoltaics
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Baumann & Partner Logo

Baumann & Partner 

Altendorf · Since 2009

Baumann & Partner supplies electric heating systems and climate-control devices, including heating cables, bathroom heaters, infrared panels and storage heaters. The company also provides photovoltaic systems, control/regulation devices, spare parts, technical support and consulting for project planning and installation.

Solar & Photovoltaics
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Bau N GmbH Logo

Bau N GmbH 

Bern · Since 2014

The company "Bau N GmbH" is a construction office specializing in sustainability, focusing on the planning, coordination, and implementation of sustainable construction projects. The core activities include: Development of individual solutions for building objects, taking into account physical, chemical, and biological aspects; Energy consulting and analysis, including the recording and evaluation of energy consumption; Building pollutant analysis and consulting; Interior construction and renovation of buildings, including planning, construction cost control, construction coordination, and design management; Construction management and project accompaniment; Collaboration with architects and other specialists. The company concentrates on sustainable and environmentally friendly solutions and advises customers on the selection of suitable materials and technologies.

Construction & Project ManagementSustainability SectorProperty Management
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baurec gmbh Logo

baurec gmbh 

Obergerlafingen · Since 2021

The core activity of Baurec GmbH encompasses environmentally friendly disposal and recycling of materials, as well as related services such as dismantling, clearing, renovation, and reconstruction. Specifically, the company offers the following services: disposal and recycling of materials, dismantling of old facilities and objects, clearing and cleaning of buildings and properties, and renovation and reconstruction of buildings and rooms. The company positions itself as a reliable partner for industry, commerce, and private individuals in the region, emphasizing environmentally friendly and professional work methods.

Waste Management Industry
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baustatt GmbH Logo

baustatt GmbH 

Basel · Since 2022

The company baustatt GmbH specializes in the planning, coordination and implementation of aesthetically pleasing photovoltaic systems that harmoniously integrate into the architecture of buildings. The core activity includes the installation of solar systems, often in combination with sustainable roof renovations, using natural materials and climate-positive insulation. The company also offers customers the opportunity to actively participate in the construction of their own solar system.

Solar & Photovoltaics
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BavoisEole SA Logo

BavoisEole SA 

Bavois · Since 2016

The core activity of BavoisEole SA is the planning, development and realization of wind farms, particularly the Parc éolien de Bavois in the canton of Vaud, Switzerland. The company focuses on the production of renewable energy through wind power, thereby covering the energy needs of households and municipalities.

Energy Suppliers
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Bayer Engineering Logo

Bayer Engineering 

Weinfelden · Since 2022

Bayer Engineering provides consulting and project support for renewable energy projects, with services including photovoltaic advice, system planning, project coordination/technical site management, and energy billing (ZEV, vZEV, LEG). Services include analysis and optimisation of existing systems and support for residential and industrial projects from planning through implementation.

Solar & Photovoltaics
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Bayer Gastro GmbH, J. Steiner Logo

Bayer Gastro GmbH, J. Steiner 

Wolfhausen · Since 2023

The core activity of Bayer Gastro GmbH is the sustainable disposal of gastronomy waste, particularly the recycling of used oil, food waste, glass, PET bottles, aluminum cans and other valuable materials. The company offers flexible collection times and individual solutions for restaurants, bars, hotels and catering businesses in Zurich and Eastern Switzerland.

Waste Management Industry
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Bayer Solar AG Logo

Bayer Solar AG 

Weinfelden · Since 2024

Bayer Solar AG provides consultancy for renewable energy and photovoltaic systems, including system design, project support and technical site supervision. Services include analysis and optimization of existing installations and energy billing for ZEV, vZEV and LEG.

Solar & Photovoltaics
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BBF & Partner AG Logo

BBF & Partner AG 

Zurich · Since 2014

The core activity of BBF & Partner AG is the execution of dismantling, transportation and disposal in the field of heating, construction and sanitary systems, including the dismantling of oil tanks and the disposal of materials at regional recycling stations. This also includes crane work, demolition and dismantling work as well as the installation of new equipment and systems.

Waste Management Industry
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BEB SA Logo

BEB SA 

Aigle · Since 2012

Sustainability Sector
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BeeNova SA Logo

BeeNova SA 

Forel (Lavaux) · Since 2017

The core activity of BeeSolar is to offer a solution for the installation and operation of solar energy systems on the roofs of rental buildings. The company analyzes the potential of the buildings, creates an investment plan and takes care of the administrative processing, including installation, sale of electricity to tenants and communication with the various parties involved. The goal is to provide building owners with a simple and profitable way to equip their properties with solar energy.

Solar & Photovoltaics
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Bega Grünabfallverwertungs AG Logo

Bega Grünabfallverwertungs AG 

Liebefeld · Since 1988

Bega Grünabfallverwertungs AG processes and recycles green waste, offers machinery rental with operators, provides recycling and rootstock processing services, and converts wood residues into energy wood for heat production.

Waste Management Industry
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BeGlobe AG Logo

BeGlobe AG 

Basel · Since 2013

The core activity of BeGlobe is the development and implementation of innovative cultivation methods and technologies for agriculture, particularly in the field of vertical farming and aquaponics, with the aim of producing more with fewer resources and ensuring the supply of future generations.

Agricultural ServicesSustainability Sector
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Belbenna Sagl Logo

Belbenna Sagl 

Castione · Since 2000

The core activity of Belbenna Sagl is the collection, transportation and disposal of various types of waste, including: household waste, commercial waste, construction waste, metal waste (e.g. iron, aluminum, copper), electronic waste (e.g. batteries, neon tubes) and special waste (e.g. asbestos, paints, gases). The company also offers a container and tipper service to transport and dispose of waste. It has its own disposal center in Castione and is authorized to dispose of waste in accordance with applicable regulations.

Waste Management Industry
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Bel Coster SA Logo

Bel Coster SA 

L'Abergement · Since 2018

The core activity of Alpiq is the generation, trading and management of energy, particularly in the field of renewable energies such as hydropower, wind energy, solar energy and storage solutions. The company develops and operates energy plants, trades in electricity and gas, and offers services in the field of energy and risk management.

Energy Suppliers
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bemepro beat meier projekte Logo

bemepro beat meier projekte 

Winterthur · Since 2004

The core activity of bemepro is the conduct of economic research and consulting, particularly in the fields of climate, energy, agriculture and nutrition.

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.