Solar & Photovoltaics in the
Canton of Solothurn
124 companies in Solar & Photovoltaics based in the Canton of Solothurn — name and year of registration from the commercial register.
50 of 124 companies
Stich AG
Since 1966 · 21–50 empl.4.8(68)
The core activity of Stichsolar is the planning, installation and maintenance of photovoltaic systems (solar systems) as well as the provision of services in the field of renewable energies, particularly in Northwestern Switzerland.
Aqua-Solar AG
Since 1975 · 51–100 empl.4.5(58)
Aqua Solar AG is a wholesale company specializing in supplying swimming pool retailers in Switzerland. The company's core activity is the distribution of products related to swimming pools, including roller shutter covers, swimming pool and filter technology, as well as other accessories. The company offers its customers a comprehensive product range, professional advice, prompt delivery, and a very extensive warehouse availability.
Saudan Immo AG
Since 2007 · 21–50 empl.4.6(78)
The core activity of Saudan AG includes the planning, installation, maintenance and repair of: Sanitary and heating systems (including heat pumps, solar heating, pellet, wood chip, gas and oil heating systems); Metalwork (including custom bending, cladding, roof edges, frames, gutters, downspouts and complex folded roofs); Flat roof and green roof solutions. The company also offers comprehensive services in these areas, including consulting, planning, installation and maintenance.
Solstis Energy AG
Since 2023 · 51–100 empl.4.9(47)
The core activity of Solstis Energy AG is the planning, installation and maintenance of holistic solar solutions for private and business customers, including consulting and sales of solar systems and energy storage systems, with the goal of contributing to the energy transition and sustainable energy supply in Switzerland.
Kläy Haustechnik AG
Since 2003 · 101–500 empl.4.7(23)
Kläy Haustechnik AG is a building services company that designs and installs sanitary, heating and ventilation systems. Its services include solar systems, maintenance/service and project planning and execution.
MEGASOL ENERGIE AG
Since 2004 · 101–500 empl.4.0(168)
Megasol is a leading solar manufacturer specializing in the development, production, and distribution of solar modules. The company's core activity encompasses the planning, design, and implementation of solar projects, from rough conception to detailed design and commissioning. This also includes collaboration with partners such as architects, investors, installers, and operators, as well as consulting and supporting customers in the realization of their solar projects.
Green Power Kaneshamurthy
Since 2019 · 1–10 empl.4.8(94)
Green Power Kaneshamurthy sells and supports the Thermostar dry-steam cleaning system as an authorized dealer, and offers related accessories and an online shop for cleaning products and complements.
Green Power GmbH
Since 2021 · 1–10 empl.4.8(94)
Green Power GmbH is the official dealer for Thermostar and sells Thermostar dry-steam cleaning systems, accessories and cleaning agents. The website provides product information, an online shop for cleaning products and contact options for demonstrations and enquiries.
Schär Elektrische Anlagen AG
Since 1996 · 11–20 empl.5.0(8)
The core activity of Schär Elektrische Anlagen AG is the planning, installation and maintenance of electrical systems, as well as the development of customized solutions for individual needs in the field of electrical engineering, including photovoltaic systems.
Baumann Haustechnik GmbH
Since 2008 · 51–100 empl.4.3(22)
The core activity of Baumann Haustechnik GmbH encompasses the planning, installation and maintenance of building technology systems, including heating, plumbing, metalwork, electrical installations, photovoltaics, ventilation systems, central vacuum cleaners and chimney construction. Additionally, the company operates a bathroom exhibition (BadExpo) and thus also offers services in the area of bathroom planning and equipment.
Elektro Mollet AG
Since 2016 · 11–20 empl.4.9(12)
Elektro Mollet AG is an electrical services company offering electrical installations, repairs and maintenance as well as electrical inspections. The company provides solutions for photovoltaics, energy storage, e-mobility, ZEV and building automation, and sells, installs and services household appliances.
von arx systems ag
Since 2009 · 11–20 empl.5.0(4)
The core activities of arx systems include: 1. Automation: Development and implementation of electronic controls for machines and systems. 2. Solar technology: Planning, installation and maintenance of solar power systems. 3. Automower: Sales and service of autonomous lawn mowers. These activities are the company's main business areas and are supported by the various phone numbers and contact details on the website.
Plattenstrom GmbH
Since 2023 · 11–20 empl.5.0(26)
Plattenstrom GmbH designs, supplies and installs photovoltaic systems, including rooftop and in‑roof installations, balcony PV kits and custom solar solutions. The company sells modules, storage systems and mounting components and provides planning, permitting support, roof covering and installation services.
Kübler Haustechnik AG
Since 2000 · 11–20 empl.4.6(22)
The core activity of Kübler Haustechnik AG includes the planning, installation, maintenance and repair of heating systems and sanitary facilities for single and multi-family homes. This also includes the areas of plumbing and solar systems. The company also offers a 24-hour emergency service for its customers.
Tirasol GmbH
Since 2022 · 1–10 empl.4.9(25)
The core activity of Tirasol GmbH is the planning, installation and maintenance of solar systems, as well as the provision of services in the field of energy management and electromobility. This includes in particular: The planning and installation of solar systems for private and commercial customers; The provision of services for the commissioning, maintenance and repair of solar systems; Support for the realization of solar projects, including obtaining quotes from installers and accompanying the construction process; The provision of charging solutions for electric vehicles and the integration of solar systems with electromobility solutions; Support for troubleshooting and maintenance of solar systems and energy management systems.
Südsolartechnik GmbH
Since 2019 · 1–10 empl.5.0(13)
The core activity of Südsolartechnik GmbH encompasses the planning, installation, maintenance, and repair of solar systems, heat pumps, and electromobility solutions. This also includes specific services such as solar panel cleaning, PV checks, weed removal, battery installation and inspection, as well as the commissioning and repair of inverters.
Kunz-Solartech GmbH, Zweigniederlassung Grenchen
Since 2021 · 51–100 empl.5.0(20)
Kunz-Solartech GmbH, Zweigniederlassung Grenchen is a provider of photovoltaic systems and related services. The company designs, installs and maintains solar installations and offers battery storage, smart energy management, funding advice and contracting solutions.
Solarix GmbH
Since 2023 · 1–10 empl.5.0(31)
The core activity of Solarix AG is the planning, consulting, installation and maintenance of solar systems, as well as the trade in photovoltaic components and storage solutions. The company also offers services in the field of Smart Energy and supports customers in using solar energy to reduce their electricity costs and think sustainably.
HF Etienne GmbH
Since 2010 · 1–10 empl.5.0(8)
The core activity of HF Etienne GmbH is the planning, installation, maintenance and repair of heating systems, including combustion controls, boiler cleaning and 24-hour emergency services. The company also offers services in the field of renewable energies, such as photovoltaic solutions and heat pump installations.
Elektro Zimmermann AG
Since 2009 · 1–10 empl.5.0(7)
The core activity of Elektro Zimmermann AG is the provision of electrical installations and services, including: electrical installations in residential and commercial buildings, service industries, industry and agriculture; building automation; e-mobility; telecommunications and multimedia services; emergency and standby services; and the sale of electrical materials (although the sales outlet is permanently closed, the range is still available on request). The company thus offers a wide range of electrical services and products to meet the needs of its customers in the areas of electrical installation, building automation and communication technology.
Sunside Energy AG
Since 2021 · 1–10 empl.5.0(7)
Sunside Energy AG designs, installs and maintains photovoltaic systems and provides energy storage and e-mobility charging solutions.
SOLEIS AG
Since 2011 · 1–10 empl.5.0(4)
The core activity of Soleis AG is the planning, implementation and maintenance of sustainable energy solutions, particularly in the areas of: Photovoltaic systems (PV systems), Energy storage systems with and without grid replacement power, Charging infrastructure, Heat pumps, Electrical installations. The company offers comprehensive services, from consulting to planning, installation and maintenance, and targets private households, commercial enterprises, agriculture, residential and industrial sectors.
Brügger Haustechnik GmbH
Since 2011 · 1–10 empl.4.9(15)
The core activity of Brügger Haustechnik AG consists of planning, installing and maintaining building technology systems, particularly in the areas of heating, plumbing, ventilation and solar systems.
Bätscher & Co. GmbH
Since 2020 · 1–10 empl.5.0(9)
The core activity of Baetscher & Co. includes the planning, execution and renovation of roofing and facade work, including sealing and sheet metal work, as well as the rental of aerial lifts and other construction equipment.
David Fürst Sanitär-Heizung-Solar
Since 2012 · 1–10 empl.4.7(13)
The core activity of David Fürst company encompasses the planning, installation and maintenance of sanitary, heating and solar systems. This includes in particular: sanitary work (new construction, renovation, modernization) including ventilation systems, heating renovations and installations, assembly and maintenance of solar systems, planning and consulting of SMART HOME systems, and VR bathroom planning. The company also offers a 24-hour customer service and comprehensive service services.
Ebosa Trading AG
Since 1988 · 1–10 empl.
The core activity of Ebosa Trading AG is trade and consulting in the field of solar technology, energy measurement devices and home automation. The company offers a wide range of products, including energy meters, current sensors, wall boxes, solar technology, wind generators and home automation solutions. It supports customers in the procurement and implementation of these technologies and also offers consulting services.
Elektro & Solartechnik A. von Flüe
Since 1996 · 1–10 empl.
Elektro & Solartechnik A. von Flüe designs and manufactures control systems for industrial automation, including machine controls, automated machine feeding with linear portals and parts handling with ABB robots. It also supplies controls for clean-air workstations and drying cabinets, carries out soldering of custom Sub-D interface cables and develops glovebox/isolator controls (e.g., Siemens S7-1500 with IPC277E).
SE Solar GmbH
Since 1997 · 1–10 empl.
SE Solar GmbH provides consulting, planning, installation and maintenance for solar thermal systems, photovoltaic systems, wood- and pellet-fired heating systems and heat pumps. The company carries out plant and control engineering, develops custom solutions and services special combustion systems such as flameless oxidation (FLOX).
WiKo Wiedmer Elektro-Kontrollen GmbH
Since 2007 · 1–10 empl.
The core activity of WiKo Wiedmer Elektro-Kontrollen GmbH is the performance of safety inspections and controls of electrical installations, as well as the provision of services in the field of energy consulting, expert opinions and training.
Michel Ostertag GmbH
Since 2010 · 1–10 empl.
The core activity of Michel Ostertag GmbH is energy consulting, energy planning, photovoltaic systems, building physics and building thermography, particularly in the areas of energetic renovation, energy efficiency and sustainability, heating and solar as well as building physics and building thermography.
Elektro & Solartechnik Subingen GmbH
Since 2011 · 1–10 empl.
Elektro & Solartechnik Subingen GmbH develops and manufactures control systems for industrial automation, including PLC solutions for machines, linear-portal feeding and parts handling with ABB robots. The company also supplies controls for clean-air workstations and drying cabinets, performs soldering of custom Sub‑D interface cables and offers central vacuum systems.
Murati Gebäudetechnik GmbH
Since 2011 · 1–10 empl.
The core activity of Murati Gebäudetechnik GmbH is the planning, installation, maintenance and repair of heating, plumbing and solar technology systems. The company also offers service maintenance and boiler descaling.
Genossenschaft OPTIMA-SOLAR Solothurn
Since 2011 · 1–10 empl.
The core activity of OptimaSolar Switzerland is the production and distribution of solar power through regional cooperatives that realize and operate photovoltaic systems. The company supports and represents the affiliated cooperatives at a supra-regional level and promotes decentralized and sustainable power supply.
Neue Energien May
Since 2012 · 1–10 empl.
Neue Energien May distributes products for photovoltaic systems and heat pumps. The offering includes components from manufacturers such as Tigo Energy, KACO, Megasol and Altec, and the company provides consultation and heat-pump installation in cooperation with TCA Thermoclima.
smartvolt AG
Since 2013 · 11–20 empl.
The core activity of Smartvolt AG is the development and licensing of a foldable solar system called SmartSolarBox, designed for installation on flat roofs and other surfaces. The company provides license partners with the necessary plans, parts and training to manufacture and install the SmartSolarBox in their own production facilities.
usol GmbH
Since 2015 · 1–10 empl.
The core activity of USOL is the planning, installation and maintenance of solar systems, including consulting and support for the implementation of solar energy projects for private households and companies. This also includes the selection and implementation of solar storage systems, optimization of energy efficiency and consulting on financing options and government funding programs.
Stark Strom GmbH
Since 2015 · 1–10 empl.
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.
Nyffenegger Solar GmbH
Since 2016 · 1–10 empl.
The core activity of Nyffenegger Solar GmbH is the planning, consulting, installation and commissioning of solar systems for various customer groups, including single-family homes, multi-family homes and industrial and commercial buildings. The company offers customized solar solutions, including traditional solar systems and emergency power-capable systems, and advises customers on the selection and implementation of photovoltaic systems.
SolarApp AG
Since 2020 · 11–20 empl.
The core activity of SolarApp is to offer an online platform that enables customers to configure and plan their own solar system. This includes providing a solar calculator that assesses the suitability of the roof for a solar system, calculating the profitability and creating a solar report that serves as the basis for the decision to install a solar system. Additionally, SolarApp arranges independent installers who can install the planned solar system.
SGT Energie AG
Since 2021 · 11–20 empl.
SunQuest GmbH
Since 2022 · 21–50 empl.5.0(9)
The core activity of SunQuest GmbH is the planning, assembly and installation of solar energy systems, in particular photovoltaic systems, as well as the associated customer service and sale of corresponding services.
DF-Insta Haustechnik GmbH
Since 2018 · 1–10 empl.
The core activity of DF-Insta Haustechnik GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of heating, plumbing, solar and controlled residential ventilation systems. The company also offers repair and renovation services and works in a network with trade partners to provide a comprehensive range of services.
SWISS PV AG
Since 2015 · 11–20 empl.3.9(7)
The core activity of SWISS PV AG is the development, production and distribution of solar modules and related components for mounting structures. The company also offers software solutions for the configuration of solar modules and systems.
DD Solar GmbH
Since 2023 · 1–10 empl.5.0(13)
The core activity of DD Solar GmbH is the planning, implementation and maintenance of solar systems for private households, companies and public institutions, with a focus on innovative and sustainable solar technologies and photovoltaic systems.
Fankhauser Solar AG
Since 2014 · 11–20 empl.3.0(2)
The core activity of Fankhauser Solar AG is the distribution and consulting of products and solutions in the field of photovoltaics, including solar modules, inverters, storage systems, mounting systems, accessories and electromobility. The company also offers services such as consulting, planning and conception, logistics, training and events to support customers in realizing their photovoltaic projects.
PrimoSolar GmbH
Since 2024 · 1–10 empl.5.0(12)
The core activity of PrimoSolar is the planning, installation and maintenance of photovoltaic systems, battery storage systems and e-mobility solutions, in particular the installation of solar systems, storage systems and wallboxes for private households and companies in Switzerland.
Solar Clean GmbH
Since 2022 · 1–10 empl.5.0(8)
The core activity of Solar Clean GmbH is the professional cleaning and maintenance of solar systems and photovoltaic systems to maximize their performance and energy yield. This includes the cleaning of solar modules, monitoring and optimization of solar systems, as well as the maintenance of photovoltaic systems to extend their lifespan.
JUF Immo AG
Since 1997 · 1–10 empl.3.9(14)
The core activity of Felber Haustechnik AG encompasses the areas of sheet metal work, sanitary, heating and floor conduits. Specifically, the company offers services such as: Sheet metal work: Roof sealing for pitched and flat roofs; Sanitary: Installation, repair and maintenance of sanitary facilities; Heating: Installation, repair and maintenance of heating systems; Floor conduits: Work on water pipes, hydrants and other floor conduits. Thus, the company provides comprehensive services in the field of building technology.
Nussbaumer Elektroanlagen AG
Since 2021 · 21–50 empl.4.5(8)
The core activity of Nussbaumer Elektroanlagen AG encompasses the planning, installation and maintenance of electrical systems, as well as the sale of household appliances. The company also provides services in the areas of photovoltaics, lighting and communication solutions.
Profisolar GmbH
Since 2022 · 1–10 empl.4.9(12)
Profisolar GmbH is a company providing photovoltaic and solar energy solutions, offering consultation, planning, installation and maintenance of PV systems. Their services include rooftop, flat‑roof, in‑roof and façade installations, battery storage, EV charging stations and contracting arrangements.
Solar & Photovoltaics in the Canton of Solothurn
Solar & Photovoltaics in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 12, 2026
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