Energy & Environment

Solergy GmbH 

Würenlos · Since 2021

The core activity of Solergy is to provide a platform that enables the installation and operation of solar systems on rooftops to provide affordable green electricity to tenants and businesses in the buildings. In doing so, the company brings together property owners, investors and tenants, and enables property owners to benefit from solar systems on their rooftops without having to invest in the installation themselves or worry about management.

Solevia GmbH 

Entlebuch · Since 2009

The core activity of Solevia GmbH is the planning, design, installation, commissioning and maintenance of photovoltaic systems and energy storage solutions.

Solextron AG 

Zurich · Since 2024

The core activity of Solextron is the development and provision of a digital platform and tools for the solar industry, particularly for the optimization of solar installations, project management, digital twins and monitoring. The company also offers 3D visualization of offers and supports customers in creating commercial proposals.

Solfina Aktiengesellschaft, Mauren (LI), Zweigniederlassung Buchs SG 

Buchs Sg · Since 2016

The core activity of Solfina is the development and distribution of products and systems for the efficient and sustainable use of edible oil and other fats in the food industry, gastronomy and hotel sector. The company offers solutions for the filtration, reuse and optimization of edible oil to reduce oil consumption, improve product quality and save costs.

Solinor AG 

Gümligen · Since 2010

The core activity of Solinor AG is the planning, installation and commissioning of turnkey photovoltaic systems (solar systems) on roofs in Switzerland.

Solintegra AG 

Habsburg · Since 2024

Solintegra AG is a company providing professional installation services, specializing in solar construction and building envelope work from planning through on-site execution. Services include installation of photovoltaic systems, roof constructions and façade elements.

SolisTec AG 

Steinen · Since 2023

The core activity of SolisTec AG is the planning, installation and maintenance of photovoltaic systems, as well as the provision of storage solutions and e-mobility infrastructure. The company offers customized photovoltaic projects to help customers harness the full potential of solar energy and contribute to a sustainable future.

Solarkraft Energie AG 

Neudorf · Since 2024

Solarkraft Energie AG provides planning, installation and maintenance of photovoltaic systems for private homes, businesses and industry, and offers services such as contracting, roof leasing and project pre-financing. The company also operates a solar marketplace that connects system owners and investors and offers investment opportunities in solar and hydropower projects.

Solnur GmbH 

Lucerne · Since 2024

Solnur GmbH arranges teams of professional installers for solar-panel installation. The company organises mounting services including substructure installation, string routing, module mounting, DC installation up to the inverter, and initial inspections.

Solnow AG 

Zillis · Since 2024

Solnow AG offers an in-roof solar system for standard photovoltaic modules designed for integration into tiled roofs. The system’s prefabricated components are delivered ready for installation, enabling use on new and existing roofs with distribution directly or via regional installers.

Solör Bioenergi AG 

Zurich · Since 2014

The core activity of Solör Bioenergy Group is the production and distribution of renewable energy, specifically: production and distribution of district heating, steam and electricity for households, businesses and industries; energy recovery from impregnated wood; production of biofuels in the form of pellets and briquettes; and development of sustainable solutions for water systems. The company focuses on the use of wood as a renewable resource and offers solutions for energy supply and water management.

iconiQ Energy AG 

St. Margrethen Sg · Since 2024

iconiQ Energy AG provides planning, consulting, installation and maintenance of renewable energy systems, notably photovoltaic systems, battery storage, heat pumps and climate control solutions. The company delivers tailored solutions for residential, commercial and industrial clients and can integrate e-mobility charging and combined multi-energy systems.

solrex ag 

Gümligen · Since 2024

solrex ag designs, installs and maintains customised solar energy systems, integrating photovoltaics, storage solutions, electric mobility and heat pump technology.

Solstar Energy Sàrl 

Vétroz · Since 2023

The core activity of Solstar Energy is the planning, installation and maintenance of photovoltaic systems for private and commercial customers. The company offers comprehensive services, including the analysis of the potential of roofs and facades, the installation of solar modules, commissioning and electrical safety testing (Contrôle OIBT), as well as monitoring and maintenance of the systems.

Soltracting AG 

Sempach · Since 2011

The core activity of Soltracting AG is the rental of roof surfaces for the installation of photovoltaic systems.

Somiral Energy Supplies SA 

Randogne · Since 1985

The company's core activity is the planning, construction and maintenance of renewable energy systems, particularly photovoltaic systems, for the private sector and major energy suppliers. This includes the provision of engineering services, the installation and commissioning of systems, as well as the automation and maintenance of electromechanical systems.

SONATEC Gilbert Sonnay Sàrl 

Lucens · Since 2024

The company Sonatec is engaged in the development and distribution of ecological, economic and natural water treatment systems. Their products, such as Sonatec Home, Sonano and Cintropur, aim to clean and strengthen water without the use of chemical additives. The areas of application include private households, industry, agriculture and animal husbandry.

Sonder Energie GmbH 

Salouf · Since 2021

The core activity of the company "Center da Biomassa" is the production and distribution of regional, sustainable bio-quality products, in particular bio-bedding, bio-compost, wood chips and other similar products, such as Tera Grischuna, a biowaldboden alternative with effective microorganisms.

SONKRAFT SA 

Lugano · Since 2013

The core activity of Sonkraft SA is investing in solar energy, particularly in the planning, procurement and construction (Engineering, Procurement and Construction, EPC) of large photovoltaic plants (PV-plants) in the megawatt range, as well as in the operation and maintenance (Operation & Maintenance, O&M) of these plants.

Sonnenenergie Plus GmbH 

Uetendorf · Since 2022

The core activity of Sonnenenergie Plus GmbH is the planning, installation and maintenance of photovoltaic systems and solar systems, including the provision of energy storage systems, heat pumps and charging solutions for private and commercial customers. The company also offers service and repair services for solar systems and develops customized energy concepts for its customers.

SOPRO Capital Swiss GmbH 

Pfäffikon Sz · Since 2024

SOPRO Capital Swiss GmbH is a renewable energy asset manager specializing in the development and management of solar PV and battery energy storage system (BESS) projects. The company provides project development, financing, technical and financial assessments, securing land-use rights, permitting, power purchase and interconnection agreements, and asset management services.

Sorbus Gehölze Theiler 

Gurtnellen · Since 2020

The core activity of Sorbus is the propagation of native woody plants through the collection of autochthonous seeds and their cultivation in a propagation garden. The company specializes in the production of plants that represent high quality from a nature conservation perspective and are used in their area of origin.

Sortierwerk Bazenheid AG (sobag) 

Bazenheid · Since 2011

The company's core activity encompasses the disposal and recovery of waste, including the operation of thermal facilities, sorting plants, logistics and recycling facilities, as well as landfills. The company also offers services such as waste consulting and plant tours.

SOWAREEN SOLUTIONS AG 

Bassersdorf · Since 2004

The core activity of SOWAREEN Solutions AG is the development and investment-based implementation of modern and sustainable technologies, particularly in the areas of waste management, energy recovery from household and industrial waste, renewable energies, and water and wastewater management. The company focuses on creating sustainable economic cycles and infrastructure projects by offering solutions for the development and renewal of elementary infrastructures in cities and regions.

SO'WATT Sàrl 

Villars-Sur-Glâne · Since 2018

So'Watt is primarily engaged in energy efficiency and sustainable energy consulting for various sectors such as industry, real estate parks, municipalities, cantons, and agriculture. The core activities include: energy audits and analyses, development of strategies for energy efficiency and climate protection, installation of solar systems and other renewable energy sources, optimization of energy consumption and production, consulting for the renovation and modernization of buildings and facilities, and support for the implementation of energy efficiency measures and the reduction of CO2 emissions.

Soziator GmbH 

Glattbrugg · Since 2023

The core activity of the company 'Soziator' is to support municipalities and organizations in the sustainable development and design of their future. Soziatoren act as 'orchestrators and coordinators' who help integrate political, social, cultural and economic aspects into the ESG sustainability process. They offer problem-solving and complexity management to support municipalities in achieving their goals.

Space Sustainability Rating 

Lausanne · Since 2023

The company's core activity is the development and management of the Space Sustainability Rating (SSR), an assessment system for the sustainability of space missions and operations. The company provides a platform for evaluating and improving the sustainability of space activities and collaborates with partners from industry, research, and politics to promote the sustainability of space.

specking+partners GmbH 

Zurich · Since 2014

specking+partners GmbH advises on sustainability issues and develops long-term strategies for responsible engagement, philanthropic activities, sustainable investment and social entrepreneurship. It supports implementation, impact evaluation and provides access to a network of specialist partners for foundations, corporations, families and wealthy individuals.

Spektrum-Energie GmbH 

Felben-Wellhausen · Since 2011

The core activity of Spektrum Energie is the provision of services in the field of renewable energies, particularly in consulting, analysis, concept development, project support, training and lectures for municipalities, regions, companies and energy supply companies.

Spielgarten GmbH 

Dägerlen · Since 2011

The core activity of Spielgarten GmbH is the planning, construction, maintenance and inspection of playgrounds and natural play areas, with a particular focus on sustainability and environmental protection. This also includes the production of playground equipment and the provision of playground consulting and inspection services.

Spill-Sorb-Tech GmbH 

Schlieren · Since 2004

The core activity of Spill-Sorb-Tech GmbH is the production and distribution of ecological absorbents, particularly the product Spillsorb, which is manufactured from vacuum-dried and heat-treated moss. This product is used for the absorption and binding of oils, solvents, heavy metals, pesticides, herbicides, and other organic chemicals. The company distributes its products worldwide, in over 100 countries, and offers individual consulting and services.

SPINEDA SA 

Preonzo · Since 2001

The core activity of Spineda SA consists of the disposal and recovery of inert materials, particularly in the areas of: * Storage and classification of inert materials * Profiling of slopes and reclamation of landfills * Recovery of materials and environmental protection * Disposal of various types of waste in a Type B landfill. The company thus provides services in the field of waste management and environmental protection.

Sponsolim Umweltconsulting Evi Binderheim 

Bülach · Since 1999

The core activity of Sponsolim Umweltconsulting lies in the field of water protection and includes in particular: lake sanitation and management, revitalization and renaturation of flowing waters, consulting and project work in the field of water protection, environmental education and technical support. The company thus offers services in the field of aquatic ecology and protection, including the sanitation and revitalization of water bodies as well as consulting and education of customers and interested parties.

Sprunger Canal clean 

Sorvilier · Since 2019

The core activity of Canal Clean is to provide services in the maintenance and upkeep of sewer networks, including: high-pressure sewer cleaning (hydrocurage), sewer network inspection using video cameras, sewer unblocking (débouchage), leak testing (test d'étanchéité), rehabilitation of wastewater networks (assainissement), detection of leaks and odors in sewer networks, and removal of roots and lime deposits in drainage systems. The company offers these services to private individuals, businesses, and new constructions.

SP Smart Electronics Swiss GmbH 

Basel · Since 2023

The core activity of SP Smart Electronics GmbH is the provision of services in the field of electrical engineering, particularly in the areas of: electrical installations, photovoltaics (solar energy), building automation, smart home solutions (using Loxone technology), and wallbox installations (for electric vehicles). The company offers high-quality services to support customers in planning, installing, and maintaining electrical systems, promoting an environmentally friendly and sustainable future.

SRS Swiss Recycling Services SA, succursale d'Allschwil 

Allschwil · Since 2010

SRS Swiss Recycling Services SA, succursale d'Allschwil is a waste collection and recycling service provider that collects, sorts, compacts and prepares materials for recovery. Its services cover bulky waste, construction debris, paper, cardboard, plastics, films, wood, glass, aluminium and metals, and include container rental, self drop‑off and disposal solutions for private, commercial and municipal customers.

SRS Swiss Recycling Services SA, Zweigniederlassung Schönenwerd 

Schönenwerd · Since 2007

SRS Swiss Recycling Services SA, Zweigniederlassung Schönenwerd is a waste disposal and recycling service provider that collects, sorts, compacts and markets recyclable materials for commercial, municipal and private clients. Services include container and skip rental, collection and clearance services, operation of a recycling yard with an attached car wash, and partner-managed solutions for special/hazardous waste; the company is part of the Helvetia Environnement group.

SSFE Swiss Solar Facility Engineering Sàrl 

Le Sépey · Since 2012

The core activity of SSFE is the planning, development and installation of renewable energy solutions, particularly photovoltaic systems, as well as providing services in the field of energy efficiency and climate protection. This also includes the installation of electrical energy storage systems, promoting electromobility through the installation of charging stations, and developing autonomous energy supply systems for houses and buildings.

S & S Solaranlagen GmbH 

Muri Ag · Since 2011

The core activity of S&S Solaranlagen GmbH is the planning, implementation and consulting of solar systems for photovoltaics and solar thermal energy, including the installation of energy storage systems and the optimization of energy efficiency.

S. Steiner GmbH 

Uttigen · Since 2021

SSWISS GROUP AG 

Zug · Since 2020

SSWISS GROUP AG arranges commercial charter and ACMI flights and provides flight booking, seat reservations and additional services for private and commercial air travel. The company also acts as a general sales agent and EU representative for certain airline partners.

Stabilizer 2000 GmbH 

Münchwilen Ag · Since 2012

The core activity of Stabilizer 2000 GmbH is the development, manufacture and marketing of natural binding agents and road surfaces for the construction of paths, roads and other infrastructure projects, particularly with the aim of offering sustainable and environmentally friendly solutions for climate protection and urban development.

Städtische Betriebe Olten (SBO) 

Olten · Since 2009

Städtische Betriebe Olten (SBO) is the municipal utility whose operational management is carried out by Aare Energie AG (a.en); its activities include electricity, gas, heat and water supply and related services provided to third parties.

Stadtrandacker gemeinnützige GmbH 

Zurich · Since 2022

The core activity of the company 'Stadtrandacker' is a community-supported agriculture program for its own vegetables from urban soils, where customers can purchase seasonal subscriptions to receive fresh produce directly from the fields and gardens in the city of Zurich.

Stalldrang GmbH 

Kirchdorf Be · Since 2022

The company is primarily engaged in the renovation and conversion of a 320-year-old Schlössli barn to create a sustainable and social facility. The core activity involves restoring the building using ecological building materials, such as cork and clay, as well as creating living space for people who do not have the necessary capital. The company aims to make a contribution to a better and more livable world by addressing challenges such as climate change, species extinction, housing shortages, and social isolation.

Standpunkt21 GmbH 

Zurich · Since 2015

The core activity of Standpunkt21 GmbH is consulting and applied research in the field of energy and climate policy, environment and sustainability. The company provides consulting services to the public sector and various organizations, particularly in the areas of renewable energy, energy efficiency, climate protection and adaptation to climate change.

Stanzl Investment Advisory 

Küsnacht Zh · Since 2021

The core activity of Stanzl Investment Advisory is advising and supporting start-ups and companies in the field of climate and environmental technology (Climate Tech). The company offers a wide range of services, including strategy consulting, corporate development, financing, mergers and acquisitions, as well as operational support. The focus is on accelerating the growth and scaling of companies that deal with the energy transition and sustainable technologies.

Stark Strom GmbH 

Breitenbach · Since 2015

The core activity of Stark Strom GmbH is the installation and optimization of solar power systems as well as the sale and installation of energy storage systems.

STEEN Sustainable Energy SA 

Lausanne · Since 2020

The core activity of STEEN Sustainable Energy SA is the development and implementation of renewable energy systems for heating and cooling, particularly for local authorities and real estate companies, with the aim of enabling a sustainable and environmentally friendly energy supply.

Stefan Eberhard AG 

Zuzwil Sg · Since 2018

Stefan Eberhard AG provides circular-economy and recycling services, including recovery, processing and marketing of recyclable materials, transport logistics, and compliant landfill disposal of non-recoverable residues. As part of the sehag‑Gruppe the company develops business models focused on resource conservation and material reuse.