Energy & Environment

Wild Recycling GmbH 

Dübendorf · Since 2009

The core activity of Wild Recycling GmbH is the disposal of metals and related services, including consulting, container service and environmentally and resource-friendly disposal solutions.

WildPunktNef GmbH 

Ramosch · Since 2022

The core activity of WildPunktNef GmbH is consulting and supporting in the fields of ecology, nature conservation, wildlife and hunting. Specifically, this includes: wildlife management (theory and practice), project management and accompaniment, training and further education, wildlife damage prevention, herd protection, hunting planning, hunting dog management, hunting exam preparation, excursions, lectures, media work, specialist events, nature conservation (particularly enhancement and protection of habitats), and ecological enhancement of gardens and landscapes. The company offers these services to administrations, NGOs, associations, and private individuals and is active throughout Switzerland.

Wild Spots GmbH 

Winterthur · Since 2021

The core activity of Wild Spots GmbH is the promotion of biodiversity and quality of life in urban green spaces through design. This includes in particular: Consulting and process design for the integration of biodiversity in construction projects and open space planning; Conceptualization and realization of workshops, networking events and exhibition formats; Visualization and documentation of best-practice examples for biodiversity in urban areas; Conceptualization and implementation of expert excursions and audio walks; Mediation of knowledge and expertise on current trends and needs in open space design and settlement ecology. The company supports professionals from architecture and planning, municipalities and institutions in designing and promoting biodiversity in urban green spaces.

Winasolar AG 

Muotathal · Since 2008

Winasolar AG plans, sells, installs and services photovoltaic systems and related components such as inverters and energy storage. The company also supplies heat pumps under the Winatherm brand and carries out roofing and metalwork (spenglerei) services. Winasolar handles subsidy applications for customers and offers an online PV configurator and appointment booking.

Winasolar Produkt GmbH 

Ettingen · Since 1996

Winasolar Produkt GmbH supplies photovoltaic systems, heat pumps (including the Winatherm brand) and roofing/sheet-metal services, and provides consultation, planning, installation and maintenance.

Windenergie Lindenberg AG 

Müswangen · Since 2009

The core activity of Windenergie Lindenberg AG is the planning, development and operation of wind energy plants for the production of clean energy from renewable sources. The company focuses on the use of wind energy for electricity generation and offers opportunities for private participation in the projects.

Windhubel AG 

Guttet-Feschel · Since 2013

Windhubel AG provides energy consulting, yield calculations and planning for photovoltaic systems with battery storage. Its services include consulting for new buildings, assessment of investment projects, client representation for energy-related building projects, and activities related to renewable-energy equipment and real-estate acquisition, construction and rental.

Wind Infinity AG 

Steinhausen · Since 2022

The core activity of Wind Infinity AG is to provide services and solutions in the field of renewable energies, particularly in the areas of offshore wind energy, green hydrogen, solar energy, batteries and energy storage, CO2 compensation and reduction, renewable energy certificates, and research and development. The company also offers consulting and advisory services, including strategic alliances and mergers & acquisitions, international financing, market analysis and intelligence, and consulting and advisory services for companies and investors in the field of renewable energies. The company's mission is to create a better world for the future by providing green energy and developing innovative solutions for the transition to a more sustainable energy supply.

WIN Energie AG 

Seuzach · Since 2018

The core activity of GRAVAG Energie AG and GRAVAG Thermo is energy supply and consulting, particularly in the field of heat and energy solutions. This includes the planning, installation, maintenance and repair of heating systems, such as heat pumps, gas and oil heating systems, pellet heating systems, hybrid systems, electricity-generating heating systems and photovoltaic systems. Additionally, the company offers energy consulting, network and technical services, as well as the issuance of building energy certificates (GEAK).

Winzeler + Bühl 

Schaffhausen · Since 2011

Winzeler + Bühl provides services in spatial planning and regional development. Activities include municipal land-use and zoning plans, environmental impact reports, strategic advice to municipal authorities, organisational and conflict consulting, and project development such as competitions and specialist plans.

WIPA GreenEnergy AG 

Zug · Since 2009

WIPA GreenEnergy AG provides services, consulting and financial solutions in the field of renewable energies and handles asset and transaction management for wind, photovoltaic, hydropower and gas & steam turbine plants. The company also operates a real estate marketplace and offers property brokerage services.

Ökoversum GmbH 

Schönholzerswilen · Since 2021

The core activity of Wirkstatt Auboden is sustainable agriculture, gardening and animal husbandry, combined with educational and event offers as well as gastronomy. The company operates a garden, a restaurant, a forest garden and keeps animals such as quails, bees, goats and pigs. It also offers spaces for events, coaching and diploma courses. The activities are characterized by the principles of permaculture and the goal of promoting a sustainable and regenerative ecology.

Wiser impact Sàrl 

Paudex · Since 2020

Wiser impact Sàrl provides sustainability and impact consulting, supporting SMEs and mid‑sized companies in developing and implementing impact strategies. Its services include the "B Corp Booster" preparation program for B Corp™ certification, the "Atelier 2tonnes" climate workshop, tailored coaching and training, and a collection of resources and webinars.

WK-Technik Werner Krähenmann 

Frauenfeld · Since 2000

The core activity of WK-Technik is the planning and installation of products, in particular SolarStreetBin and other products from the Finncont Luowia Collection. The company provides expert support from planning to installation.

WL Wärmeversorgung Lausen AG 

Lausen · Since 1994

The core activity of WL Wärmeversorgung Lausen AG is the generation and distribution of district heating to households and companies in Lausen, using renewable energy sources such as wood firing, heat pumps and solar energy.

Wolfstouren GmbH 

Biembach Im Emmental · Since 2021

The core activity of Wolfstouren GmbH is the organization of nature and wildlife tours in Switzerland, particularly on the tracks of wolves and lynxes. The company offers guided excursions and hikes, where participants have the opportunity to observe wild animals in their natural habitat and experience the Swiss nature.

Wonder-Suisse Sàrl 

Châbles Fr · Since 2010

The core activity of Wonder Suisse is the development, manufacture and distribution of products and solutions for the cleaning and maintenance of photovoltaic systems, in particular robots and systems for cleaning solar modules, as well as the provision of services in the field of battery disposal and other environmentally relevant activities.

wooftiger KlG 

Zurich · Since 2021

The company wooftiger develops and sells products made from recycled PET bottles, with the goal of having a positive impact on the environment. The products are practical and stylishly designed, targeting dog owners.

WOOLTI Sagl 

Brione (Verzasca) · Since 1998

The core activity of Woolti is the application of biological treatment methods to reduce ammonia emissions, minimize unpleasant odors and restore balance in ecosystems and biomass. In particular, the company focuses on the treatment of: - Stables - Alpine pastures - Manure storage facilities - Slurry tanks - Sewage treatment plants - Leachate collection systems - Composting facilities - Wastewater treatment plants and clarifiers. In summary, the focus is on environmentally friendly solutions for agriculture and wastewater treatment.

World of Pi AG 

Zurich · Since 2024

World of Pi AG provides the smart product passport “Pi”, a digital product identity and platform that lets manufacturers publish product information and services via QR codes to support maintenance, traceability and circular-economy use cases.