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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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9'016 companies found

Peter Jossi, dipl. Ing. FH in Lebensmitteltechnologie Logo

Peter Jossi, dipl. Ing. FH in Lebensmitteltechnologie 

Basel · Since 2003

The core activity of jossi.bio is to provide services and consulting in the bio and food industry, particularly in the areas of sustainability and nutrition economics, organic and label requirements, food law and quality management. This also includes specialized journalistic mandates, such as publishing articles and contributions in trade journals and coordinating projects like the "Bio-BäckerInnen-Gruppe Schweiz".

Sustainability Sector
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Peter Klucker Transporte Logo

Peter Klucker Transporte 

Klosters Dorf · Since 2013

The core activity of the company 'Peter Klucker Transporte' consists of providing services in the field of waste disposal, particularly muck away transport, as well as carrying out crane work and transportation.

Waste Management Industry
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Peter Wyss Logo

Peter Wyss 

Alosen · Since 2005

The core activity of Peter Wyss Sanitär und Heizungen consists of the installation, maintenance and repair of sanitary facilities and heating systems, including the planning and execution of sanitary and heating projects, as well as the construction of solar systems and the implementation of water treatment works.

Solar & Photovoltaics
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Petra Ingold-Huber Logo

Petra Ingold-Huber 

Bonstetten · Since 2015

Petra Ingold-Huber offers llama trekking and guided outdoor experiences with llamas. Services include bookable half-day or shorter treks and events for children, birthday parties and therapeutic uses.

Sustainability Sector
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Pferdewellness Katharina Allemann Logo

Pferdewellness Katharina Allemann 

Allmendingen B. Bern · Since 2018

The core activity of Pferde-Wellness.ch is the application of a sustainable treatment concept for horses, including horse feeding and horse-assisted coaching, to promote the well-being of horses.

Sustainability Sector
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PFS Global Solutions Sagl Logo

PFS Global Solutions Sagl 

Agno · Since 2022

PFS Global Solutions Sagl provides design, installation and maintenance of electrical and technological systems, including electrical installations, home automation, alarm and video surveillance systems, and photovoltaic installations.

Electrical Planning & InstallationSolar & Photovoltaics
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pg-consult güntert Logo

pg-consult güntert 

Basel · Since 2017

The core activity of pg consult is to advise and support sustainable construction projects, particularly in the areas of sustainable building, climate protection, and the political and social aspects of sustainability. Specifically, this includes: Consulting and quality and process support for sustainable construction projects, team-oriented planning and quality management, energy and operational consulting, political and social awareness-raising for sustainable topics, and strategic consulting and short and initial checks for sustainable construction projects. The company supports planning teams, builders, investors, architects, and general contractors in the planning and implementation of future-proof areas and buildings.

Technical Consulting & EngineeringSustainability Sector
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philoro International Holding AG Logo

philoro International Holding AG 

Zurich · Since 2021

The core activity of philoro is investing in precious metals, including buying and selling, storing precious metals, offering precious metal subscriptions and providing personal advice for private and institutional investors.

Waste Management Industry
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Phönix Dr. Clemens Lang Logo

Phönix Dr. Clemens Lang 

Zimmerwald · Since 2009

The core activity of Phönix Dr. Clemens Lang is consulting and supporting organizations and individuals in the areas of sustainability, team and organizational development, as well as coaching. This specifically includes: Sustainability consulting and management, Team and organizational development, Coaching for executives and teams, Intuitive bodywork (AMW), Men's encounters and seminars, Supervision and team development, Organizational change and cultural transformation. The company also offers courses and workshops to support organizations and individuals in implementing sustainability strategies and developing teams and organizations.

Coaching & Personal DevelopmentManagement ConsultingSustainability Sector
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PhotonicEnergy GmbH Logo

PhotonicEnergy GmbH 

Kesswil · Since 2022

The core activity of PhotonicEnergy GmbH is the planning, installation and maintenance of photovoltaic systems, in particular the creation of comprehensive solutions for customers' energy future, including consulting, installation and operation of solar systems.

Electrical Planning & InstallationSolar & Photovoltaics
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Pick8ship Technology AG Logo

Pick8ship Technology AG 

Dübendorf · Since 2018

The core activity of Pick8ship Technology AG is the development and provision of a reusable logistics system focused on sustainability, flexibility and efficiency. The system is intended to be used in various industries such as food, fashion, beauty, healthcare and nursing as well as industrial assembly.

Sustainability Sector
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Pizol Energie AG Logo

Pizol Energie AG 

Wangs · Since 2021

The core activity of Pizol Energie AG is the production and supply of renewable heat energy through the operation of a wood-fired power plant in Wangs. The company primarily uses untreated wood chips from regional forests, landscape maintenance and sawmills as fuel and operates a district heating network to deliver the produced heat energy to customers in the surrounding municipalities of Wangs, Mels and Sargans.

Energy Suppliers
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PJ Leasing AG Logo

PJ Leasing AG 

Stein Ag · Since 2023

The core activity of PJ Leasing AG is the leasing of energy systems, particularly PV systems, heat pumps and wallboxes for electromobility, with flexible financing options for owners who would not otherwise be able to make such an investment.

Sustainability Sector
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Planair Vision SA Logo

Planair Vision SA 

La Sagne Ne · Since 2017

Planair Vision SA provides engineering services for the energy transition, focusing on sustainable buildings, energy‑efficient industrial solutions and resilient territories. The firm also offers training programmes and publishes project references, and holds ISO 9001 and ISO 14001 certifications.

Solar & Photovoltaics
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PLAN-B NET ZERO AG Logo

PLAN-B NET ZERO AG 

Zug · Since 2009

The core activity of PLAN-B NET ZERO AG is the construction of solar systems and the supply of customers with ecologically produced electricity. The company offers energy autonomy concepts for private customers and businesses, including solutions for the emergency power sector.

Solar & Photovoltaics
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Planctons GmbH Logo

Planctons GmbH 

Sarnen · Since 2021

Planctons is a Swiss manufacturer of sustainable eyewear made from 100% recycled ocean plastic. The company's core activity is the design, production and marketing of environmentally friendly glasses that are both fashionable and ecologically sustainable.

Sustainability Sector
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Plan-E AG Logo

Plan-E AG 

Lucerne · Since 2023

The core activity of Plan-E AG is the specialized planning of photovoltaic systems, integral energy planning and the operation of energy systems, including the planning and implementation of PV systems, battery storage and other energy infrastructure.

Solar & Photovoltaics
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Aero Wings Swiss SA Logo

Aero Wings Swiss SA 

Borex · Since 2008

The core activity of PlanetSolar SA consists of developing and implementing sustainable projects that apply innovative technologies to address environmental issues such as renewable energy, reduction of harmful emissions, marine and coastal protection, and social improvements for local populations. The company offers services ranging from feasibility studies to project implementation, including financing alternatives and collaboration with local companies.

Solar & Photovoltaics
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Planium GmbH Logo

Planium GmbH 

Hüttwilen · Since 2008

The PLANiUM GmbH primarily deals with environmental and contaminated site consulting, in particular with the detection, assessment and remediation of contaminated sites, as well as with the creation of expert opinions, assessments and cost allocation decisions in the field of contaminated sites. Furthermore, the company offers services in the field of environmental impact assessment, landscape and nature conservation planning, as well as the coordination of species promotion projects.

Waste Management Industry
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Plankton First Holding SA Logo

Plankton First Holding SA 

Baar · Since 2019

The core activity of Plankton First is the production and distribution of phytoplankton, particularly the species Nannochloropsis Oceanica, as a sustainable source for dietary supplements, animal feed, cosmetics and other applications.

Sustainability Sector
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Planval Partners AG Logo

Planval Partners AG 

Glis · Since 1979

The core activity of Planval is to advise and support municipalities, regions and companies in developing strategies and concepts for a sustainable future. This includes offers such as the 360° scan for municipalities, the development of climate strategies for companies and the implementation of short-term consulting for various concerns. The company also supports municipal and regional development, policy design, knowledge management and communities.

Sustainability Sector
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Plastrec GmbH Logo

Plastrec GmbH 

Marbach Sg · Since 2004

The core activity of Plastrec GmbH is the production and trade of substitute fuels (EBS) made from plastic and textile waste as well as other residual materials from industry and commerce. These substitute fuels can replace conventional fuels such as coal and oil and offer an environmentally friendly alternative. The company also provides services in the field of recycling and waste management to support companies in reducing their waste disposal costs and improving their ecological balance.

Waste Management Industry
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PLIASYS Montagesysteme GmbH Logo

PLIASYS Montagesysteme GmbH 

Untersiggenthal · Since 2020

Pliasys is a company that specializes in the development and production of products for the construction and architecture sector, particularly in the area of roof and facade solutions. The company's core activity involves the manufacture of high-quality products, such as Pliasol, PliasolG, and PliaTherm, tailored to the needs of architects and installers. Emphasizing quality, innovation, and aesthetics, the company offers a comprehensive solution for construction projects, including timely delivery and maximum efficiency.

Solar & Photovoltaics
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P. Löhrer Heizungen GmbH Logo

P. Löhrer Heizungen GmbH 

Riehen · Since 2002

The core activity of P. Löhrer Heizungen GmbH encompasses the planning, execution and maintenance of heating systems, sanitary installations and solar systems, including the installation of geothermal and photovoltaic systems. The company also offers repair services and renovation as well as new construction services in these areas.

Solar & Photovoltaics
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plugX GmbH Logo

plugX GmbH 

Zurich · Since 2021

plugX GmbH operates a platform and mobile app to locate, book and pay for charging points, and provides charging stations and 230‑V modules for cars, e‑bikes, scooters and mobile devices.

Energy SuppliersWeb Portals & Platform Companies
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Plus34 AG Logo

Plus34 AG 

St. Gallen · Since 2021

Sustainability Sector
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PLUSPUNKT JUTZ Logo

PLUSPUNKT JUTZ 

Zurich · Since 2005

PLUSPUNKT JUTZ provides ecological consulting and planning services, including project management, moor/peatland restoration, GIS analyses and species and habitat surveys. Services also include monitoring, environmental education/communication and implementation of habitat enhancement and area management measures.

Sustainability Sector
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PMC Elektro GmbH Logo

PMC Elektro GmbH 

Volketswil · Since 2024

PMC Elektro GmbH provides planning, installation and modernization of electrical systems for private, commercial and industrial clients. Services include electrical inspections, photovoltaic system design and installation, smart‑home integration, installations for new builds and renovations, plus maintenance, emergency service and repairs.

Electrical Planning & InstallationSolar & Photovoltaics
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Polarstern Montagen AG Logo

Polarstern Montagen AG 

Oberuzwil · Since 2024

Polarstern Montagen AG is an assembly contractor that executes complex installation projects and operates as a subcontractor offering photovoltaic, roof, facade, electrical-installation, modular construction and event-assembly services. The company works with planners, installers and specialist firms and holds the ESTI general installation authorization.

Specialized Construction ActivitiesSolar & Photovoltaics
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PôleBio Energies SA Logo

PôleBio Energies SA 

Le Lignon · Since 2011

The core activity of PôleBio Energies SA is the valorization of organic waste through methanization and composting to produce biomethane and organic fertilizers. The company aims to recover household waste in the canton of Geneva, thereby contributing to the creation of a sustainable and resilient environment.

Sustainability Sector
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Popsite AG Logo

Popsite AG 

Appenzell · Since 2007

The core activity of popsite AG includes IT services, network and fiber optic installation, as well as photovoltaic and electrical planning and installation.

Solar & Photovoltaics
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PORINI FOUNDATION Logo

PORINI FOUNDATION 

Fribourg · Since 2017

The core activity of Porini Foundation is the development and promotion of innovative technologies, particularly zero-carbon blockchains, to support nature conservation and sustainable resource use. This includes creating platforms such as the global marketplace for Nature Collectibles, developing zero-carbon blockchains that align with the UN Sustainable Development Goals (SDGs), and partnering with organizations like the IUCN Green List and Tech4Nature to implement innovative technologies for nature conservation.

Sustainability Sector
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Power the Nature sa Logo

Power the Nature sa 

Lausanne · Since 2021

The company Power The Nature develops and commercializes innovative solutions for sustainable agriculture. The core activity of the company consists in the development and manufacture of products that improve the agronomic and ecological performance of crops, such as biostimulants like FertiRoc. These products are designed to minimize environmental impact and increase resource efficiency.

Sustainability Sector
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Pradervand Transports Sàrl Logo

Pradervand Transports Sàrl 

Vandoeuvres · Since 1997

The core activity of Pradervand Transports Sàrl is the provision of transport and waste management services, particularly in the field of waste management. This includes: waste disposal (traitement des déchets), transport services with various vehicles, such as containers and dump trucks (service de bennes), high-pressure cleaning of containers and vehicles (lavage à haute pression), the use of crane trucks for various tasks (camion grue), and winter services such as snow removal (déneigement). The company thus offers a wide range of services in the field of transport and waste management.

Waste Management IndustryLogistics & Transport Companies
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Precycling SA Logo

Precycling SA 

Reconvilier · Since 2018

Precycling SA operates a regional recycling centre providing collection, sorting and processing of materials such as paper and cardboard, wood, glass, metals and electrical cables, and offers vehicle depollution and demolition services. The company also manages a waste collection site and provides practical solutions for environmental waste management.

Waste Management IndustryMetal Industry
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Preen Technologies AG Logo

Preen Technologies AG 

Rümlang · Since 2023

The core activity of PREEN Technologies is the development and provision of artificially intelligent (AI), touchless, robotic car wash systems. The company offers innovative solutions for car wash operators that enable efficient, environmentally friendly and sustainable car care.

Sustainability Sector
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Prefa Schweiz Vertriebs AG Logo

Prefa Schweiz Vertriebs AG 

Niederbipp · Since 2008

Prefa Schweiz Vertriebs AG is the Swiss distribution company of the PREFA brand, providing product information and contact services for aluminium roofs, façades and solar systems. The product range includes roof systems, façade systems, solar systems, roof drainage, flood protection and aluminium bands and sheets.

Solar & Photovoltaics
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Prestaball Sàrl Logo

Prestaball Sàrl 

Reconvilier · Since 2002

Prestaball Sàrl provides packaging solutions for municipal and industrial waste, focusing on forming and wrapping round bales for storage and volume reduction. Services include planning, shredding, packaging, stacking and opening of bales to simplify waste logistics and reduce transport needs.

Waste Management Industry
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Pretty Good GmbH Logo

Pretty Good GmbH 

Bern · Since 2020

The core activity of the company "Pretty Good" is the sale, repair and refurbishment of used everyday items, with the aim of extending the lifespan of these products and thus protecting the environment.

Waste Management Industry
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Pretty Good Logo

Pretty Good 

Langnau Im Emmental · Since 2023

Pretty Good is an association that operates repair, reuse and retail services for used and repairable goods. The organisation provides an online repair-manager, an inventory/reuse tool, and handles orders, repair requests and sales both online and at physical locations.

Waste Management Industry
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Primeo Holding AG Logo

Primeo Holding AG 

Münchenstein · Since 2007

Energy Suppliers
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Primfer SA Logo

Primfer SA 

Dorénaz · Since 1996

Primfer SA operates in vehicle dismantling and ferrous-metal recovery and provides buying and selling of cars, trucks and construction machinery.

Waste Management Industry
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PRO AMIANTE SA Logo

PRO AMIANTE SA 

Monthey · Since 2022

The core activity of ProAmiante SA is the elimination of environmental pollutants, particularly asbestos (Amiante), as well as other harmful substances such as PCB, HAP, lead and silicates. The company provides services in the field of asbestos removal (Désamiantage) and the removal of other environmental pollutants to ensure the safety of people and the environment.

Waste Management Industry
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Pro Aqua Pura AG Logo

Pro Aqua Pura AG 

Zizers · Since 1960

The core activity of PRO AQUA PURA AG is the planning, design, delivery, installation and commissioning of plants for water and wastewater treatment, including pumping stations, environmental plants, hydroelectric power plants and plants for the Rhaetian Railway. The company also offers services such as MSR technology, service, renovations and industrial wastewater treatment.

Technical Consulting & EngineeringWaste Management Industry
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ProDecipher GmbH Logo

ProDecipher GmbH 

Alpnachstad · Since 2021

The core activity of ProDecipher is the development and provision of digital solutions for sustainability and environmental management. The company combines sustainability consulting with modern digital technology, including IoT devices and blockchain technology, to develop scalable solutions for companies that meet regulatory requirements and sustainability goals. The solutions include emission management, traceability, certification and validation of sustainability claims.

Sustainability SectorSoftware Development
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ProFishCare GmbH Logo

ProFishCare GmbH 

Hünenberg · Since 2022

The core activity of ProFishCare is the development and provision of solutions for assessing and improving the welfare of fish in aquaculture. This includes expert consulting, audits, and the development of objective evaluation tools to optimize husbandry conditions and promote stress-reducing measures. The goal is to improve the sustainability and economic efficiency of aquaculture by prioritizing fish welfare.

Sustainability Sector
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PROJEDA AG Logo

PROJEDA AG 

Uster · Since 2011

The company PROJEDA offers creative solutions for various areas such as home cinemas, offices, restaurants and private apartments. The core activity of the company includes planning, installation and implementation of: audio and video technology, control technology, solar energy and energy efficiency, digital marketing and online presence. The company also provides consulting and service services to support customers in implementing their projects.

Solar & PhotovoltaicsAdvertising Agencies
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PROJELEC SARL Logo

PROJELEC SARL 

Troinex · Since 2015

The core activity of Projelec Sàrl includes the planning, installation and maintenance of electrical systems, particularly in the field of photovoltaics, as well as the provision of services such as electrical system testing (OIBT), expert opinions, domotics (as a KNX integrator) and the installation of charging stations for electric vehicles.

Electrical Planning & InstallationSolar & Photovoltaics
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Pro Lej da Segl Logo

Pro Lej da Segl 

Samedan · Since 1946

The core activity of Pro Lej da Segl is the protection and preservation of the Upper Engadine lake landscape, particularly through the purchase of land and the implementation of protective measures to maintain biodiversity and protect the landscape from excessive immissions and use.

Sustainability Sector
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PRO LUTRA Logo

PRO LUTRA 

Chur · Since 1997

The core activity of the company "Pro Lutra" is the protection and research of the otter in Switzerland. This includes projects such as mapping habitats, observing and protecting otter populations, conducting research projects and environmental education. The company also advocates for the protection of otters from threats such as road traffic, environmental toxins and hydropower.

Sustainability Sector
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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.