Energy technology in the
Canton of Geneva

AMICS SA

Since 2002 · 11–20 empl.

AMICS SA develops and implements automation and industrial computing solutions for environmental facilities and energy production and distribution. Its services include planning, integration and maintenance of systems for water treatment, thermal processes and energy networks.

LNI Swissgas SA

Since 2005 · 101–500 empl.

The company develops and manufactures gas generators and gas calibrators for various applications, particularly for analytical laboratory procedures, industrial processes and environmental monitoring. The products are 100% manufactured in-house and specialize in the production of high-purity gases such as hydrogen, nitrogen and zero air.

ED ENERGIE DURABLE SA

Since 2008 · 11–20 empl.

ED ENERGIE DURABLE SA is an energy company that produces, distributes and supplies renewable solid fuels such as wood pellets and wood chips, and provides related services. Its services include boiler cleaning and maintenance, ash and pellet vacuuming, and mobile pellet heaters; the company is part of Groupe SERBECO and holds ENplus A1, ISO 9001/14001/45001 and BCorp certifications.

Forza Petroleum Services SA

Since 2010 · 11–20 empl.

Greenea Geneva SA

Since 2019 · 1–10 empl.

Greenea Geneva SA brokers and trades second-generation biofuels, waste- and residue-based feedstocks, and related certificates. Its services also include advice on sourcing, market analysis and decarbonization strategies, as well as support with renewable electricity certificates, power purchase agreements and energy-saving certificates.

NEWCLEO SA

Since 2022 · 21–50 empl.

The core activity of new cleo is the development and provision of technologies and services in the field of nuclear energy, particularly of the fourth generation (Gen-IV). The company focuses on the development of reactors and fuels as well as on research and development in the field of nuclear energy.

Orrön Energy SA

Since 1999 · 101–500 empl.·5.0(1)

Orrön Energy SA is a renewable energy and infrastructure company. It invests in, owns and develops renewable power generation projects, as well as solar, battery storage and data centre projects in Europe.

Bares Energy SA

Since 2022 · 11–20 empl.

The core activity of BGN Energy Holding SA consists of investing in and managing energy projects, particularly in the oil and gas sector, as well as developing strategies for new energies. The company has an experienced team with technical, commercial and financial skills to manage strategic investments. The activities also include financing energy projects, carrying out mergers and acquisitions, and monitoring ESG (Environmental, Social and Governance) aspects.

Dyneo Technologies SA

Since 2023 · 1–10 empl.

Dyneo Technologies SA develops digital solutions for monitoring and optimizing district heating networks. Its platform analyzes operational data, detects anomalies and helps operators improve energy efficiency and manage their infrastructure.

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

Since 2021 · 11–20 empl.

TIS PETROLEUM (ASIA) PTE. LTD., Singapour, succursale de Genève is active in crude oil trading, facilitating the distribution of crude oil from global producers to refineries in Southeast Asia and the Middle East. The company also provides integrated supply chain solutions for the energy sector.

ENSSO Sàrl

Since 2021 · 1–10 empl.

ENSSO Sàrl is a consulting and engineering firm providing project management and technical advisory services across energy production and distribution. Its services include project leadership, contract management, renewable energy project development, engineering for district heating, hydrogen and EV charging infrastructures, and training for junior project managers.

Viroque Energy SA

Since 2024 · 11–20 empl.

Viroque Energy SA operates in energy trading and the marketing of gas and electricity. Its activities include importing energy products and supplying natural gas, LNG and electricity.

TotalEnergies EP Angola B17/25 SA

Since 2025 · 1–10 empl.

TotalEnergies EP Angola B17/25 SA is a company active in energy trading within TotalEnergies. It is involved in trading and optimizing oil, natural gas, electricity, and related energy flows, as well as the transport of energy products.

TotalEnergies Holdings Midstream SA

Since 2025 · 1–10 empl.

TotalEnergies Holdings Midstream SA is mainly active in trading in Switzerland, with activities in crude oil, refined products, electricity, gas and liquefied natural gas. It also supplies B2B customers with products and solutions for business use.

TotalEnergies EP Peru SA

Since 2025 · 1–10 empl.

TotalEnergies EP Peru SA is a TotalEnergies energy trading company. It trades crude oil, refined products, LNG and electricity, and also covers logistics, shipping and market management.

Hera TE 10 SA

Since 2025 · 1–10 empl.

Hera TE 10 SA is part of the TotalEnergies Suisse website and is associated with the distribution of lubricants, engine oils, industrial lubricants, special fluids and bitumen. The website also refers to related services such as product selection tools, technical support, training and safety data sheets.

Ad Terra Energy SA

Since 2025 · 1–10 empl.

Ad Terra Energy SA is an energy group that designs, invests in, and operates energy solutions. Its activities focus on the energy transition and include geothermal projects, direct lithium extraction, natural hydrogen, and energy storage systems.

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève

Since 1999 · 1–10 empl.·5.0(1)

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève is an engineering consultancy specialising in energy rationalization for new and refurbished buildings. Its services include energy engineering and building simulations, energy efficiency optimisation, scientific outreach and applied R&D, as well as audits, measurements and support for certification; the company holds ISO 9001 and 14001 certifications and participates in international research programmes (e.g. Horizon 2020, IEA projects).

Trios tecAir Sàrl

Since 2023 · 1–10 empl.·4.7(23)

BGN Energy Investments SA

Since 2026 · 1–10 empl.

BGN Energy Investments SA is an independent energy and commodities trading company. It trades and supplies energy products including oil products, gas, LNG, LPG, biofuels, and critical metals and minerals, and provides services in trading, distribution, shipping, storage, risk management, finance, and hedging.

ENERGOIMPEX SA

Since 2010 · 1–10 empl.

ENERGOIMPEX SA is a trading and logistics company for energy products and operates the Energoimpex Metal business unit. The unit arranges metal manufacturing and procurement through its own production capabilities and partner suppliers, offering services including CNC machining, sheet-metal processing, cutting, surface treatment, assembly and 3D printing.

CLEMAVO SA

Since 2010 · 1–10 empl.

CLEMAVO SA provides operation and maintenance services for energy facilities, including wind, solar and hydropower plants. It also offers project management, feasibility and environmental studies, and the planning and oversight of infrastructure projects in energy, water, transport and construction.

King Caviar SA

Since 2013 · 1–10 empl.

The core activity of Ponza SA is the trade of raw materials and commodities, particularly energy carriers such as oil and oil products, as well as agricultural products like grains and oilseeds. The company also engages in hedging and risk management, chartering and ship operations related to the transportation of raw materials.

UNITED ENERGY VENTURES SA

Since 2016 · 1–10 empl.

UNITED ENERGY VENTURES SA develops and implements decentralised energy solutions. Its services include advisory, engineering, EPC and project management, project development and financing, as well as operations and maintenance for renewable energy, energy efficiency, storage, microgrids and smart grids.

KATSINA SA

Since 2017 · 11–20 empl.

KATSINA SA provides strategy and operations consulting, as well as advisory, trading and structured finance solutions. It develops and supplies solutions for water, soil and energy systems, including soil amendment technologies, photoluminescent markings, and tidal and river-current power systems.

EuraLink SA

Since 2021 · 1–10 empl.

EuraLink SA is an international trade and consulting company focused on renewable energy. It imports and exports solar technologies and provides strategic sourcing and contract management for international trade transactions.

Polare group Sàrl

Since 2026 · 1–10 empl.

Polare group Sàrl develops portable power and solar solutions, including mobile power stations, solar panels, and modular battery systems. The company presents its products for backup power, camping, off-grid use, vehicles, and applications in homes or businesses.

Negawatts SA

Since 2016 · 1–10 empl.

OVERGAZ SA

Since 1960 · 1–10 empl.

Bruun & Sörensen (Suisse) SA

Since 1979 · 1–10 empl.

Nalcosa SA

Since 1980 · 1–10 empl.

EXIM POWER S.A.

Since 1993 · 1–10 empl.

CvS Energies Sàrl

Since 1997 · 1–10 empl.

Longchamp Electricité et Energies SA

Since 2000 · 1–10 empl.

CARPENTUR SA

Since 2005 · 1–10 empl.

CABC CHAUFFAGE A BOIS CARTIGNY SA

Since 2006 · 1–10 empl.

Biogaz Mandement, Millo & Zeller

Since 2008 · 1–10 empl.

PETROCI International SA

Since 2009 · 1–10 empl.