Solar & Photovoltaics in
Geneva

49 companies in Solar & Photovoltaics based in Geneva — name and year of registration from the commercial register. The list below shows them all.

Companies

All 49 companies in Geneva

Watts Electricité SA Logo

Watts Electricité SA

Since 2018 · 1–10 empl.4.6(30)

The core activity of Watts Électricité SA is the installation and repair of electrical systems, including: solar panel installation, electric vehicle charging station installation, ECO21 energy-efficient lighting systems, OIBT electrical system testing and maintenance, telecommunications and internet installation, and intercom system installation. The company also offers renovation and repair services for electrical systems.

Electrical Planning & InstallationElectrical installationElectrical renovation & troubleshootingElectrical installations for new builds
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Sunwatt SA Logo

Sunwatt SA

Since 1997 · 1–10 empl.

Sunwatt SA is a company specializing in the engineering and construction of photovoltaic (PV) systems. Services include turnkey rooftop, ground‑mount and carport installations for residential and commercial clients, system design, permitting and installation, energy audits and corporate training.

Solar & PhotovoltaicsPhotovoltaic SystemsPhotovoltaic Installation for BusinessesPhotovoltaic Installation for Homes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
DT INTERNATIONAL SA Logo

DT INTERNATIONAL SA

Since 2004 · 11–20 empl.

The core activity of DTI-Energies is the conception, implementation and maintenance of public and professional outdoor lighting infrastructures, primarily powered by solar energy.

Technical Consulting & EngineeringPublic and private solar lightingStudy, design and sizingCustomisation of lighting solutions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Thorens Energies Sàrl Logo

Thorens Energies Sàrl

Since 2005 · 1–10 empl.

Thorens Energies Sàrl provides renewable energy and energy-efficiency solutions. The company designs, supplies and installs heat pumps (air/water, ground/water, water/water), photovoltaic and solar production systems, heating, HVAC and wood-boiler equipment, and offers an internal engineering office plus maintenance and after-sales services.

Solar & PhotovoltaicsPhotovoltaicsHeat pumpsSolar power generation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
TVP Solar SA Logo

TVP Solar SA

Since 2008 · 51–100 empl.

The core activity of TVP Solar is to provide carbon-free solutions for the decarbonization of large-scale heat, particularly through the delivery of carbon-free heat to industrial and municipal customers via Heat Purchase Agreements, without any upfront investments (CAPEX) and without operating and maintenance costs (O&M).

Solar & PhotovoltaicsSolar thermal systems for industry and district heatingHigh-Vacuum Solar Thermal Panels (MT-Power v.4)EPC and turnkey solar thermal systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Chauffage-Assistance SA Logo

Chauffage-Assistance SA

Since 1972 · 21–50 empl.3.8(17)

The core activity of Chauffage Assistance SA is the planning, implementation, maintenance and optimization of heating systems and renewable energy systems, particularly in the areas of: heating technology, renewable energy (e.g. heat pumps), energy optimization, repair and maintenance of heating systems, monitoring and control of heating systems, and renovation and modernization of heating systems. The company offers its services throughout the French-speaking Switzerland.

Plumbing & Building ServicesTroubleshooting & maintenance contractMaintenance, sanitation works & distributionWork on new installations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
KANX Sàrl Logo

KANX Sàrl

Since 2015 · 1–10 empl.5.0(6)

The core activity of KANX is the planning, implementation and maintenance of photovoltaic systems for private and commercial customers. This includes the installation of solar panels on roofs, the construction of autonomous solar systems for remote locations, the selection and installation of storage batteries, as well as the planning and implementation of solutions for the storage and use of renewable energy, such as powering buildings with solar power during power outages or charging electric vehicles.

Solar & PhotovoltaicsPhotovoltaic solutionsPhotovoltaic power plantsAutonomous off-grid sites
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
R & B STORES SÀRL Logo

R & B STORES SÀRL

Since 2015 · 1–10 empl.5.0(6)

The core activity of R&B Stores Sàrl is the supply and installation of awnings, shutters, mosquito nets, grilles and gates, as well as solar screens. The company offers a wide range of interior and exterior awnings that meet both aesthetic and functional requirements, such as sun protection in summer and heat insulation in winter.

Solar & PhotovoltaicsBlinds and shuttersShuttersSecurity grilles and gates
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
TUAZ CONCEPT Logo

TUAZ CONCEPT

Since 2013 · 1–10 empl.

Construction & Project Management
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
ProSwissEnergy SA Logo

ProSwissEnergy SA

Since 2021 · 1–10 empl.

ProSwissEnergy SA is an engineering and installation firm for building energy systems, providing energy studies, design and installation of photovoltaic systems, heat pumps, HVAC, heating and electrical installations. Certified technicians manage projects for single-family homes, multi‑unit and commercial buildings and provide project support including subsidy guidance and commissioning.

Solar & PhotovoltaicsSolar energyHeat pumpsFree study
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
NETRA SA Logo

NETRA SA

Since 2023 · 11–20 empl.

The core activity of Netra is the conception, construction, financing and management of renewable energy infrastructures, particularly solar installations, electric vehicle charging stations and battery storage systems. The company offers a comprehensive solution for the development, construction and management of solar installations on building roofs, including planning, installation, maintenance and management. The goal is to support companies and individuals in reducing their energy costs and improving their environmental balance.

Solar & PhotovoltaicsEnergy storage on industrial sites (BESS)Commercial solar power plants
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
ACTIV ENERGY GROUP SA Logo

ACTIV ENERGY GROUP SA

Since 2016 · 11–20 empl.4.2(6)

The core activity of Activ Energy Group SA is the installation and distribution of renewable energy systems, in particular: heat pumps for heating and cooling, and photovoltaic panels for the production of electrical energy. The company also offers services such as planning, installation and maintenance of these systems.

Solar & PhotovoltaicsAir-to-water heat pumpsPhotovoltaics and self-consumptionThermodynamic boiler
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #12
MM Consulting Switzerland Sàrl Logo

MM Consulting Switzerland Sàrl

Since 2022 · 1–10 empl.

MM Consulting Switzerland Sàrl is a developer and orchestration platform for renewable energy and infrastructure projects. The company provides project development, technical and legal due diligence, PMO and project controlling, land and rooftop origination, asset trading, PPA/ESCO solutions and geo‑consulting for PV, agri‑PV, BESS and data centers.

Management ConsultingLand originationEnergy solutionsGeo-consulting
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #13
Netra Power SA Logo

Netra Power SA

Since 2023 · 1–10 empl.

Solar & Photovoltaics
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #14
Maidan Energy Sàrl Logo

Maidan Energy Sàrl

Since 2024 · 1–10 empl.

The core activity of Maidan Energy is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, battery storage systems and other energy efficiency solutions. The company offers its customers tailored solutions for the transition to renewable energy and supports them in achieving their sustainable development goals.

Solar & PhotovoltaicsPhotovoltaic system installationSolar batteriesRCP, virtual RCP and local electricity communities (CEL)
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #15
Attitude Solaire Sàrl Logo

Attitude Solaire Sàrl

Since 2024 · 1–10 empl.

The core activity of Attitude Solaire SARL is the planning, implementation and monitoring of photovoltaic projects, particularly in the Geneva region, Switzerland. The company offers customized solutions for the installation of solar systems, including autoconstruction (self-build) and project implementation support. Attitude Solaire supports customers in selecting and installing suitable materials, applying for subsidies and optimizing energy production.

Solar & PhotovoltaicsTurnkey photovoltaics installationPhotovoltaic self-buildCollective self-consumption
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #16
CleanStove Logo

CleanStove

Since 2025 · 1–10 empl.

CleanStove is an organization that provides solar-powered cookstoves with battery storage to support access to clean cooking. It works with communities in Senegal, Tanzania and India and supports distribution, installation, training and maintenance.

NGOs & NPOsSolar-powered CookstovesMonitoring and Impact ReportingClean Cooking Partnerships
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #17
ECOMAT IPP SA Logo

ECOMAT IPP SA

Since 2014 · 1–10 empl.

Solar & PhotovoltaicsSolar photovoltaic power generationAdvisory for PV solar power projects
No score yet
NEO AVENIR - Viltard Logo

NEO AVENIR - Viltard

Since 2025 · 1–10 empl.

NEO AVENIR - Viltard advises private and business clients on ecological and energy-related projects. Its services include guidance on solar panels, heat pumps, drone cleaning of photovoltaic installations, and support for Paulownia projects.

Management ConsultingEnergy Consulting for Solar and Heating SolutionsPhotovoltaic SolutionsHeat Pump Consulting
No score yet
Polare group Sàrl Logo

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.

Solar & PhotovoltaicsPortable Solar Power StationsSolar PanelsEnergy and Power Supply Systems for Homes, Businesses and Mobile Use
No score yet
SSM Pro Sàrl Logo

SSM Pro Sàrl

1–10 empl.

SSM Pro Sàrl provides solar energy services in French-speaking Switzerland, including the installation of photovoltaic systems, maintenance and repairs. The company also installs EV charging stations, battery storage systems and heat pumps.

Building MaintenanceSolar Panel InstallationSolar Maintenance and ServicingSolar Panel Cleaning
No score yet
GEThermiques Sàrl Logo

GEThermiques Sàrl

Since 2022 · 1–10 empl.

Building Construction
No score yet
EV

ENERGIE VERTE SA

Since 1977 · 1–10 empl.

Solar & Photovoltaics
No score yet
OS

Opus Solar SA

Since 1987 · 1–10 empl.

Technical Consulting & Engineering
No score yet
BB

Bernard Béroud

Since 1998 · 1–10 empl.

Solar & Photovoltaics
No score yet
MS

MondiaSolar SA

Since 2011 · 1–10 empl.

Solar & Photovoltaics
No score yet
JC

J. CHACON CASTRO

Since 2011 · 1–10 empl.

Solar & Photovoltaics
No score yet
MT

Magic Technologie Sàrl

Since 2012 · 1–10 empl.

Building Construction
No score yet
AE

ALPES ECO ENERGY, PERTUSA PAUL

Since 2015 · 1–10 empl.

Solar & Photovoltaics
No score yet
AS

AS SUNPOWER ENERGY Sàrl

Since 2018 · 1–10 empl.

Solar & Photovoltaics
No score yet
LM

La Maison des Energies SA

Since 2019 · 1–10 empl.

Solar & Photovoltaics
No score yet
IT

ITOUA'S TECHNOLOGIES, Titulaire Itoua

Since 2020 · 1–10 empl.

Solar & Photovoltaics
No score yet
LS

Lightswing Solar Sàrl

Since 2021 · 1–10 empl.

Solar & Photovoltaics
No score yet
AG

Auxanõ Green Sàrl

Since 2022 · 1–10 empl.

Solar & Photovoltaics
No score yet
SS

SHILAT Sàrl

Since 2022 · 1–10 empl.

General Contractors
No score yet
SE

Source Energy Distribution SA

Since 2022 · 1–10 empl.

Solar & Photovoltaics
No score yet
WS

WATTSUN SA

Since 2023 · 1–10 empl.

Solar & Photovoltaics
No score yet
CH

Croisé Habitat Energie - CH Energie

Since 2023 · 1–10 empl.

Building Maintenance
No score yet
PS

PRO-Général Sàrl

Since 2023 · 1–10 empl.

Solar & Photovoltaics
No score yet
US

Uni-Solar Sàrl

Since 2023 · 1–10 empl.

Solar & Photovoltaics
No score yet
RS

REM Solar Sàrl

Since 2023 · 1–10 empl.

Solar & Photovoltaics
No score yet
CS

Cloover SA

Since 2024 · 1–10 empl.

Solar & Photovoltaics
No score yet
HM

Hanau Middle East SA

Since 2024 · 1–10 empl.

Solar & Photovoltaics
No score yet
UK

Universal Kraft Sàrl

Since 2024 · 1–10 empl.

Solar & Photovoltaics
No score yet
DB

Duli Bât Sàrl

Since 2024 · 1–10 empl.

Building Construction
No score yet
LP

Lentini PromoVert

Since 2025 · 1–10 empl.

Solar & Photovoltaics
No score yet
S(

SSM (Swiss Solar Maintenance) SNC, Dbiha Reda et Bekrar Mehdi

Since 2025 · 1–10 empl.

Solar & Photovoltaics
No score yet
NS

N.R.GY Sàrl

Since 2025 · 1–10 empl.

Security Services
No score yet
LS

Leman services habitat (LSH) Sàrl

Since 2026 · 1–10 empl.

Electrical Planning & Installation
No score yet

Solar & Photovoltaics in Geneva

49Solar & PhotovoltaicsCommercial register (Zefix) · as of October 11, 2026
2022Median year of registrationCommercial register (Zefix) · as of October 11, 2026
123in the Canton of GenevaCommercial register (Zefix) · as of October 11, 2026
4,041in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026