Energy Industry

Suissen AG 

Pfäffikon Sz · Since 2021

The core activity of Suissen AG is in the energy trading sector, particularly in the trade of natural gas on various markets, exchanges and trading platforms within the European Union. This also includes logistics and physical contract conclusion for natural gas deliveries from Western Europe to Eastern Europe. The company also plans to offer retail services.

Sundust Financing AG 

Rotkreuz · Since 2024

SunFlower Grid SA 

Montreux · Since 2025

SunFlower Grid SA provides digital solutions to manage and bill collective self-consumption groups and to enable local sale of surplus solar energy. Services include metering and real-time monitoring, transparent billing and invoicing, user dashboards, APIs and white‑label options, plus support for meter installation and integration with existing systems for property owners, installers and distribution operators.

Sun Glaze SA 

Brent · Since 2008

The core activity of Sun-Glaze SA is the development, manufacture and distribution of high-performance, lightweight and corrosion-resistant thermal solar collectors that can be used for hot water preparation and heating.

Sustainable Business & Engineering Solutions GmbH 

Untersiggenthal · Since 2020

The core activity of SBES Technologies is the development and manufacture of efficient and clean combustion technologies, particularly burners and gas turbines that can run on various fuels, including hydrogen. The company also provides services in the fields of aerothermics, fluid mechanics and mechanical engineering, and develops products for the energy industry, aerospace and process industries.

SwissEco Power SA 

Baar · Since 2009

SwissEco Power SA connects investors with renewable energy projects and provides strategic intermediation as well as institutional and administrative support. The company works in hydropower, photovoltaic and wind sectors and supports projects from licensing and concessions through to delivery, with activity focused on the Balkan market, notably Serbia and Bosnia and Herzegovina.

swiss e-futurtec ag 

Mastrils · Since 2021

The core activity of swiss e-technic is the research, development, production and distribution of innovative heating technologies, particularly the e-heatcell technology, which offers an efficient and sustainable solution for the renovation of oil heating systems. The company focuses on the development of condensing appliances that can be operated with renewable fuels and offers a comprehensive solution for the energy transition, enabling energy savings, CO₂ reduction and cost savings.

Swiss for Energy SA 

Balerna · Since 2015

The core activity of Swiss 4 Energy is the development, planning, construction and maintenance of projects for the production of energy from renewable sources, particularly through investments in solar, wind and other renewable energies. The company also offers services such as identifying investment opportunities, creating business plans and implementing projects to increase energy efficiency in buildings.

Swiss Furnace GmbH 

Root D4 · Since 2023

The core activity of Swiss Furnace GmbH is the development, manufacture and marketing of innovative solutions for high-temperature Concentrated Solar Thermal (CST) technology, in particular the SF900 system, which converts solar energy into heat and serves as a sustainable alternative for energy-intensive industries.

SWISS GEO ENERGY SA 

Payerne · Since 2019

The core activity of Swiss Geo Energy is the exploration, storage and valorization of renewable resources from the underground in Switzerland and Europe. Specifically, this includes: The use of geothermal energy for heat, cold and electricity production; The identification and characterization of suitable sites for seasonal energy storage; The safe and efficient storage of CO2 from industrial sources; The sustainable use of water resources; The exploration and development of projects in the field of renewable energies, in particular geothermal energy and geo-storage. The company focuses on the development of projects and facilities that contribute to accelerating the energy transition and reducing greenhouse gas emissions.

SWISSJET TECHNOLOGY SA 

Ascona · Since 2008

SWISSJET TECHNOLOGY SA develops and supplies ultra-high-pressure (UHP) waterjet technology and provides turnkey, customer-specific systems as well as testing and material-processing services for various industrial applications.

Swiss MANDA GmbH 

Brig · Since 2015

The core activity of Swiss MANDA GmbH is the development, planning, operation and trade of wind power plants, in particular the commercialization of wind energy sources.

SYNERGIA GROUPE SA 

Lausanne · Since 2023

SYNERGIA GROUPE SA is a company specializing in studies and the delivery of projects to improve the energy performance of buildings and structures. It provides services from initial assessment and project planning to execution and post-work monitoring, and supports owners and property managers with administrative procedures and subsidy applications.

TARGET Holding GmbH 

Baar · Since 2016

The company's core activity is the development and promotion of renewable energies, particularly wind energy and wave energy.

TecDrill SA 

Neyruz-Sur-Moudon · Since 2024

TecDrill SA carries out geothermal drillings to depths of up to 300 metres, with a focus on low-temperature geothermal boreholes. Services include site installation, mud evacuation, annular sealing with controlled injection, probe installation and pressure/flow testing, and assistance with permit procedures and probe-field sizing.

TecEos AG 

Richenthal · Since 2007

The core activity of TecEos AG is the planning, operation and brokerage of combined heat and power plants (CHP) and other cogeneration systems that are operated with biomass as fuel. In addition, the company offers contracting services, where it acts as an energy supplier and provides customers (companies and public municipalities) with the desired form of energy (electricity, heat, cold).

terralayr AG 

Zug · Since 2022

The core activity of terralayr is the development, operation and aggregation of large-scale battery energy storage systems (BESS) to provide energy flexibility as a service. The company offers a platform where flexible capacities and products can be bought and sold by users such as suppliers, grid operators, electricity traders and aggregators. terralayr enables customers to access battery storage capacity when needed, without having to bear the costs of physical ownership of the facility.

TERRAVOLT AG 

Fribourg · Since 2020

The core activity of Terravolt AG is the development, construction and operation of renewable energy plants, in particular: biogas plants, photovoltaic systems and wind farms. The company focuses on the use of renewable energies and aims to promote a sustainable and forward-looking energy supply.

TG2 GmbH 

Zug · Since 2016

The core activity of TG2 is the development and implementation of projects in the field of renewable energy, particularly through the recycling of waste streams and the production of bio-based energy carriers. This includes: The development of photovoltaic projects in Japan; The production of bio-based pellets from agricultural waste streams in Southeast Asia as an environmentally friendly alternative to coal; Supporting projects that convert industrial waste streams into valuable resources; Promoting environmentally friendly agricultural practices and supporting community programs for ecological agriculture. The company pursues a balanced business approach that considers social, ecological and financial aspects, aiming to have a positive impact on the environment and society.

TIS PETROLEUM (ASIA) PTE. LTD., Singapour, succursale de Genève 

Geneva · Since 2021

The core activity of TIS Petroleum encompasses the exploration, production, processing and trading of crude oil and natural gas. The company is active throughout the entire value chain of the oil and gas sector, from the search for new deposits to the extraction, processing and sale of crude oil and natural gas. Furthermore, the company is also committed to the development of environmental initiatives and the promotion of renewable energies.