Energy & Environment

Go Solar GmbH 

Bülach · Since 2007

The core activity of go Solar GmbH is the planning, consulting, sales and installation of photovoltaic systems, in particular grid-connected and off-grid systems, as well as the trade of related products such as solar modules, batteries, inverters and other accessories.

gpi green partners international GmbH & Co. KG, D-45966 Gladbeck, Zweigniederlassung Zürich 

Zurich · Since 2015

The company is a manufacturer of garden products, particularly organic products for ecological gardening. It develops and produces individual brands for specialist retailers and offers a comprehensive service, including logistics and packaging solutions. The company's core activity is the production and distribution of garden products with a focus on sustainability and quality.

Graber Holzbau GmbH 

Uetendorf · Since 2003

The core activity of Graber Holzbau GmbH is the provision of services and products in the field of timber construction, particularly in the following specialized areas: Carpentry (construction of buildings, garden houses, small animal shelters, etc.), Roofing (roofing and renovation), Solar technology (installation of solar energy systems), and Interior finishing (apartment construction and renovation, wall construction, etc.). The company thus offers a comprehensive range of services and products in the field of timber construction and building technology.

GRADUM AG 

Zug · Since 2018

The core activity of GRADUM Solutions is to develop solutions for social, technological and ecological challenges, particularly in the field of sustainable energy and the introduction of new technologies.

Graines d'idées Sàrl 

Lausanne · Since 2023

Graines d'idées Sàrl designs participatory processes and sustainable projects, providing facilitation, evaluation and training on participation. The services also include strategy development, communication work and project-management support for sustainability initiatives.

GRAMA SA 

Monthey · Since 1994

GRAMA SA is a material treatment and recycling company that sorts and reprocesses mineral materials recovered from construction sites. It supplies recycled gravels and related materials for civil engineering, roadwork and landscaping and provides delivery from its site.

Graphenaton Technologies SA 

Geneva · Since 2020

The core activity of GRAPHENATON Technologies SA is the development and manufacture of functional films printed with inks made from innovative materials, particularly graphene. These films are used in various industrial applications such as energy generation, energy storage and heating systems. The company offers customized solutions for specific industries by adapting the properties of the films to meet the needs of its customers.

GRB - Energie Grünenwald 

Obfelden · Since 2018

The core activity of GRB-Energie is consulting and implementing sustainable energy solutions for private individuals and companies. The specific activities include: replacement of heating systems, planning and installation of solar and PV systems, energy and operational optimization, alternative energies, building renovation, and application for subsidies. The company offers tailored solutions and individual consulting to support customers in optimizing their energy supply.

Gredig Agrar und Transporte GmbH 

Filisur · Since 2020

The core activity of Gredig Agrar und Transporte GmbH encompasses three main areas: 1. **Food waste disposal**: The company collects and disposes of food waste, particularly in the Graubünden region. 2. **Agricultural contract work**: Gredig Agrar und Transporte GmbH offers contract work in agriculture, including the care of mother cows. 3. **Pig breeding**: The company also operates a pig breeding program. These activities are closely linked to agriculture and waste disposal, forming the core activities of the company.

Green AG 

Herisau · Since 2001

The core activity of Green AG is the global environmental assessment, remediation and rehabilitation of contaminated sites, including the removal of radioactive waste, legacy sites, military bases, airports, refineries, sawmills and accident sites. This also includes the cleaning of water bodies and the restoration of land and beaches to their original state. The company uses its own patented high-temperature gasification process, which operates at over 1300 degrees Celsius without oxygen and produces no emissions, but only synthesis gas, which is used for power generation in gas turbines.

GREENBERGEN Sàrl 

Sierre · Since 2024

GREENBERGEN Sàrl is a consulting and services firm that supports municipalities, industrial companies and farmers in analysing and transforming their energy data to contribute to the Net‑Zero 2050 objective. Services include consumption analysis, scenario modelling with CO₂ balances and simplified life‑cycle assessment, tech‑economic evaluations, sensor deployment and monitoring dashboards; the company also participates in European projects and works with Denodl sensors for continuous water monitoring.

Green Circle Sàrl 

Geneva · Since 2023

The core activity of Green Circle is to advise and support companies and public institutions in the implementation of sustainable and responsible business practices, particularly in the areas of environmental protection and CO2 emission reduction. This includes services such as CO2 emission accounting, certifications, project management, audits and consulting in the areas of RSE (Corporate Social Responsibility) and ESG (Environmental, Social and Governance).

greencom agri gmbh 

Weinfelden · Since 2001

The core activity of Greencom GmbH is green waste recycling, in particular the transportation and professional composting of green waste, as well as the provision of municipal services such as winter maintenance and disposal of construction waste.

GREENCO AG 

Buchs Sg · Since 2008

The core activity of GreenCo AG encompasses three main areas: 1. **Real Estate Investments**: The company supports clients in investing in real estate. 2. **Green Energy**: GreenCo AG invests in renewable energy facilities and supports clients in corresponding projects. 3. **Mergers and Acquisitions (M & A)**: The company advises and supports clients in company mergers and acquisitions. Additionally, GreenCo AG also offers services as asset manager and controller for Private Equity funds, Family Offices, foundations, companies, and private clients.

Green Dreams Lab GmbH 

Ebikon · Since 2020

The core activity of Green Dreams Lab GmbH consists of three main areas: 1. **Innovation Scouting**: The company connects established companies with innovative start-ups to achieve their economic and sustainability goals. 2. **Consulting**: Green Dreams Lab supports companies in making their supply chain more economical and sustainable. 3. **Business Development**: The company promotes the growth of companies by connecting them with market participants seeking their expertise. Overall, Green Dreams Lab focuses on promoting sustainable economic growth and innovation.

Greenedge Trading AG 

Hünenberg · Since 2020

The core activity of Greenedge Trading AG is the trade in energy, particularly in the area of compliance carbon markets, which are of essential importance for the energy transition. The company also offers services in the field of financial instruments, products and services related to energy trading.

Green Energy Concepts GmbH 

Zug · Since 2008

Green Energy Concepts GmbH provides furniture delivery and assembly services, handling delivery scheduling, on-site assembly and post-installation cleanup. Services include appointment coordination, delivery notification, assembly and removal of packaging; operations are offered across Switzerland.

Green Electra GmbH 

Dietlikon · Since 2018

Green Electra GmbH supplies building-integrated solar roofs and provides planning, construction management and installation services, primarily using Roofit.Solar 2‑in‑1 systems. The company designs, installs and tests customised solar roof solutions for new-build and renovation projects in residential and commercial buildings.

Green Enesys Group GmbH 

Baar · Since 2009

The core activity of green enesys is the development and provision of renewable energy solutions, particularly in the areas of: * Photovoltaics (solar power) * Agrivoltaics (combination of agriculture and photovoltaics) * Battery storage * Thermal storage * E-methanol production * Green hydrogen production The company supports landowners, investors, and industrial partners in the realization of projects in the field of renewable energies and offers solutions for the planning, approval, and implementation of large-scale PV projects.

Greenggies SA 

Cottens Fr · Since 2022

The core activity of Greenggies SA is the design, manufacture and distribution of urban gardens and potager kit systems, which enable gardening in small urban spaces such as balconies, terraces or gardens. The products are available either as self-assembly kits or as pre-assembled systems and are characterized by an efficient irrigation system. The company also offers various rental options for its products.

GreenGround AG 

Hasle-Rüegsau · Since 2019

The core activity of GreenGround AG encompasses the development and distribution of technical solutions for the extraction of precise soil and water samples, as well as the provision of services and consulting in the field of soil and environmental analysis. This includes in particular: the development and distribution of soil sampling technologies (HumaxTube), the extraction of precise soil and water samples, the provision of residue samples in soil and plants, and laboratory analysis and consulting services in the field of soil and environmental analysis. The company operates in three business areas: Humax Soil Sampling Technologies, Humax Environmental Services & Consulting, and Laboratory Analysis.

GREENIPATH AG 

Baar · Since 2023

The core activity of Greenipath AG is to provide carbon solutions and services in the field of decarbonization and climate protection. This includes: carbon project development and marketing, trading in environmental certificates, investment opportunities and portfolio solutions for companies and investors, consulting on sustainability and climate strategies for companies, development and marketing of carbon offset funds, and consulting and support in reducing greenhouse gas emissions and achieving net-zero goals. Greenipath positions itself as a global provider of carbon solutions and supports companies, projects, and investors in reducing their environmental impact and achieving their climate goals.

GreenLeaf Elektro AG 

Zug · Since 2023

The core activity of GreenLeaf Elektro is the provision of services and solutions in the field of electrical engineering.

greenmanagement ag 

Zurich · Since 2023

The core activity of greenmanagement ag encompasses consulting and supporting companies and organizations in the areas of environmental economics, green space management, and sustainable development. Specifically, the company offers services such as corporate consulting, management support, training and further education, as well as certification and public relations work, with the goal of promoting environmentally and human-friendly development.

greenmodul.ch AG 

Thayngen · Since 2019

The core activity of Greenmodul is the development and sale of containers based on natural processes, providing an innovative solution for environmental technology, particularly in the field of wastewater treatment or similar applications referred to as "Factor Five".

Green Ocean Solutions AG 

Lichtensteig · Since 2018

Green Ocean Solutions AG is a company providing industrial wastewater treatment technologies, notably wet oxidation (ORCAN®) and flotation (FRES:H®) for toxic and non‑biodegradable wastewater streams. The company offers engineering, plant construction and operation as well as process optimisation to improve resource efficiency.

Greenroom Voice Sàrl 

Leysin · Since 2008

The core activity of GreenroomVoice is to evaluate, promote and make transparent the sustainability and environmental responsibility of companies, particularly in the outdoor industry. To this end, the company creates profiles of companies' environmental and social performance, promotes sustainable brands at trade fairs, inspires through thematic campaigns, and advises companies on communicating their sustainability efforts. The goal is to create trust and transparency among consumers and support companies in integrating sustainability into their business practices.

greenstarter GmbH 

Bern · Since 2024

The company greenstarter supports organizations and opinion leaders in focusing responsibly on their footprint and anchoring regenerative goals at the core of their organizational strategy. It offers services such as consulting, strategy development and support in the implementation of sustainability goals.

GREENTECH Technologies AG 

Zug · Since 2022

The core activity of GREENTECH Technologies AG is the development and provision of sustainable solutions for optimizing, balancing and recovering wasted energy, particularly through the development of modular, immersion-cooled data center infrastructures (GREENBOX), which enable the recycling of waste heat and its conversion into usable energy, thereby increasing the efficiency of data centers and reducing the CO2 footprint.

GreenWins Sàrl 

Bévilard · Since 2012

GreenWins Sàrl develops intelligent terminal models for recycling and digital advertising and offers solutions such as smart collectors for reusable cups with a cashless deposit-return system.

gregeco gmbh 

Domat/Ems · Since 2017

gregeco gmbh provides ecological services and consulting focused on species management, neophyte (invasive plant) control, green-waste management and projects addressing invasive species such as Japanese knotweed and Asian tiger mosquitoes.

GREN BIOLOGIE APPLIQUEE SARL 

Geneva · Since 2000

The core activity of GREN Biologie appliquée Sàrl is the provision of environmental consulting and planning services, particularly in the following areas: environmental studies and assessments, ecological planning and consulting, nature conservation and biodiversity management, water and fisheries management, restoration of water bodies and wetlands, urban ecology and green space planning. The company offers its services to various customer groups, including public institutions, engineering firms, architects, associations, and private individuals.

Grensol AG 

Zurich · Since 2021

Grensol AG develops and operates a patented recycling process to separate and recover metals, minerals and polymers from hard-to-recycle industrial wastes such as automotive shredder residue (ASR). The recovered streams are supplied as feedstock for industrial reuse, and the company deploys its solution via modular micro‑recycling centres for integration at existing sites.

Gresch Partner 

Bern · Since 2006

The core activity of the company "gresch partner" is web design, particularly in Zurich.

Griesser Services AG 

Aadorf · Since 2017

Grigolo Instal 

Cazis · Since 2015

The core activity of Grigoloinstal is the planning, installation, maintenance and repair of various technical systems, in particular: heating systems, sanitary and water systems, solar systems and air conditioning systems. The company also offers technical assistance, maintenance and repairs for these systems and keeps a stock of spare parts.

Grimm & Schmid AG Transporte 

Bubikon · Since 1972

Grimm & Schmid AG Transporte provides construction transport and logistics services for earth materials and concrete deliveries. Services include material pickup and delivery, roll-off containers (10–36 m³), machine transport, crane operations (up to 15 m), road cleaning, workshop support and winter services.

Gringo's Dienste Georges Clement 

Trimmis · Since 2011

The core activity of Gringo's Dienste includes clearances, skip container services, transports, disposals, and specialized services such as clutter clearances, dismantling, and special trips. The company offers individual solutions for customers in the Chur region, the Rhine Valley, the Prättigau, and Graubünden, as well as, on request, throughout Switzerland and neighboring countries.

Grischa Gastro-Recycling AG 

Landquart · Since 2022

The core activity of Grischa Gastro-Recycling AG is the environmentally friendly disposal of food waste from the catering and industrial sectors, as well as the production of eco-electricity and high-quality natural fertilizer through an innovative biogas plant.

Groh Technologies 

Kreuzlingen · Since 2020

The core activity of Groh Technologies is the development and implementation of sustainable materials, digital solutions, and process optimizations for companies, particularly in the areas of circular economy and reduction of environmental impacts. This includes: * Material development: Development of sustainable materials, such as recyclable plastics, biobased materials, and organic semiconductors. * Digitalization: Implementation of digital solutions, such as data analysis, artificial intelligence, and open-source technologies, to optimize processes and increase the efficiency of companies. * Process optimization: Consulting and implementation of measures to reduce waste, energy consumption, and costs in companies. * Circular economy: Supporting companies in the implementation of circular economy models and the reduction of environmental impacts. The company also offers consulting services to support companies in the implementation of these solutions and achieving their sustainability goals.

Ground Up Project SA 

Geneva · Since 2014

The core activity of Ground_Up Project is to identify and support small and medium-sized enterprises (SMEs) in developing countries that offer sustainable products and services contributing to the Sustainable Development Goals (SDGs). The company acts as an intermediary between these businesses and investors to facilitate access to financing opportunities, thereby promoting the implementation of the SDGs.

Groupe Bader SA 

Le Mont-Sur-Lausanne · Since 2023

Groupe Bader SA provides services in recycling, material revalorization and transport. The company performs material recovery and processing and also manages real estate assets, offering rental spaces.

Groupe des entreprises de valorisation des matériaux minéraux (GEV) 

Tolochenaz · Since 2022

The core activity of the company GEV (Groupe des entreprises de valorisation des matériaux minéraux) is to represent and support companies involved in the valorization and recycling of mineral materials. The focus is on promoting the common interests of member companies, supporting environmental protection measures and promoting sustainable practices in the industry.

Groupe E Celsius SA 

Fribourg · Since 1979

Groupe E Greenwatt SA 

Granges-Paccot · Since 2007

The core activity of Groupe E Greenwatt is the development and realization of projects in the field of renewable energies, particularly photovoltaic systems, hydroelectric power and wind farms, in collaboration with regional stakeholders and with the participation of the local population, with the aim of driving the energy transition and enabling a sustainable world for future generations.

Künzli-Rihs SA 

Villeneuve Vd · Since 2018

The core activity of Groupe Kunzli consists of providing services in the field of environmental cleaning and remediation, including interventions in the areas of hygiene and wastewater management. Specifically, this includes: wastewater treatment and remediation, 365/24h emergency services for environmental cleaning and remediation, inspection, detection and rehabilitation of environmental damage, and environmental management and consulting. The company thus offers a wide range of services to protect and remediate the environment.

Gruftis GmbH 

Pieterlen · Since 2017

Gruftis GmbH provides clearances and waste removal services (house, apartment, cellar, attic) with an acceptance guarantee, together with small transport, various masonry and repair works, light excavation/grounds work and garden maintenance.

grün&fein Bernhardsgrütter 

St. Gallen · Since 2022

The core activity of the company "grün & fein" is the consulting, accompaniment and education of private individuals, schools and companies in the field of plant-based nutrition and the integration of nature themes into everyday life. This includes specific workshops, lectures and consultations on topics such as wild herbs, vegan nutrition, nature mentoring and energetic work.

Grütter Consulting AG 

Reinach Bl · Since 2008

The core activity of Grütter Consulting is the consulting and implementation of sustainable transport solutions and climate finance projects worldwide. The company supports the development of green mobility concepts, particularly in the field of electromobility, and advises clients on the implementation of projects to reduce greenhouse gas emissions in the transport sector.

Gsponer Solution GmbH 

Susten · Since 2022

The core activity of Gsponer Solution GmbH is the planning, consulting and implementation of projects in the field of renewable energies, particularly in the areas of photovoltaics, e-mobility and wind energy.