Companies in
Solar & Photovoltaics

Urs Oberholzer Sanitär GmbH

Solar & Photovoltaics · Mosnang · Since 2010

The core activity of Urs Oberholzer Sanitär GmbH is the planning, consulting and execution of building technology services, particularly in the areas of: Sanitary work (e.g. bathrooms, boiler descaling, decalcification systems), heating systems, solar systems, plumbing work, roofing work, and maintenance and servicing of building technology systems. The company thus offers comprehensive solutions for the building technology needs of private and commercial customers.

visaVento Solar AG

Solar & Photovoltaics · Frauenfeld · Since 2023

visaVento Solar AG is a company specialised in the development, construction and operation of wind and photovoltaic power plants. Its services cover consulting, project development, procurement, installation, commissioning and operations & maintenance, and it develops wind, PV and hybrid projects with a focus on Eastern Europe (notably Poland) and broader European markets.

von arx systems ag

Solar & Photovoltaics · Egerkingen · Since 2009

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.

W. Bissegger AG Wil

Solar & Photovoltaics · Wil Sg · Since 1984

The company provides comprehensive services in the field of heating renovation and installation, including consulting, planning and execution of work for new and renovation buildings. It specializes in the renewal of existing heating systems and the installation of climate-friendly solutions such as solar systems.

WEBER DACH AG

Roofing · Zurich · Since 2003

The core activity of Weber Dach AG is the provision of services related to roofs, particularly in the areas of: roof renovation and repair, roof insulation and sealing, fall protection and installation, skylight and solar system installation, maintenance and servicing of roofs, and consulting and estimating for roof projects. The company thus offers comprehensive solutions for all types of roofing work, from new constructions to renovations and repairs.

Wicki Dach- und Fassadenbau AG

Sheet Metal Work · Flühli Lu · Since 2016

The core activity of Wicki Dach- und Fassadenbau AG encompasses the planning, execution and maintenance of roofing and façade work, including the installation of solar systems, green roofs, sheet metal work and lightning protection. The company also offers services in the areas of energy saving and façade maintenance.

Wingeier Haustechnik AG

Solar & Photovoltaics · Trubschachen · Since 2001

The core activity of Wingeier Haustechnik AG encompasses sanitary technology, water supply and drinking water hygiene. Specifically, the company offers solutions for the planning, installation and maintenance of sanitary systems, water supply systems and drinking water hygiene solutions for private and public institutions. This also includes the development and manufacture of its own products, such as well chamber covers under the Aqua-Top brand.

W. Meier AG Bilten

Solar & Photovoltaics · Bilten · Since 1969

W. Meier AG Bilten is an electrical installation company that plans, installs and maintains electrical systems. Its services include new builds and renovations, service and maintenance, building automation, lighting, telephony, multimedia and security systems, as well as photovoltaic installations; the company also sells household appliances and manages properties.

Würsch Söhne AG

Solar & Photovoltaics · Emmetten · Since 1976

The core activity of Würsch Söhne AG is the provision of services in the field of building envelopes, particularly in the areas of: Roofing (pitched roof, flat roof), Facades, Solar systems / Photovoltaics, Sheet metal work / Lightning protection, Renovations / Monument preservation, Under-roof / Insulations, Repair / Maintenance, Consulting / Estimating, Crane work / Lift platforms, and Bird protection. The company offers comprehensive services for new construction, maintenance, and renovation areas, combining traditional expertise with modern trends, materials, and technologies.

Zett Haustechnik AG

Solar & Photovoltaics · Oberschan · Since 2015

The core activity of Zett Haustechnik AG is the installation, maintenance and repair of heating and plumbing systems, including the planning and implementation of projects in the field of building technology, such as the conversion of oil boilers to geothermal heat pumps. The company also offers services in the field of solar systems and sanitary services.

Ziltener-Heizungen GmbH

Plumbing & Building Services · Staufen · Since 2019

Ziltener-Heizungen GmbH provides consultation, installation and maintenance of heating systems, heat pumps and solar/photovoltaic systems. Services include boiler descaling and replacement, solar-panel cleaning and maintenance contracts, as well as heating renewals and system servicing.

Stratton ENERGIES Sàrl

Solar & Photovoltaics · Neuchâtel · Since 2025

The core activity of Stratton Energies is the planning, installation and maintenance of renewable energy systems, in particular: * Photovoltaic systems (installation, panel cleaning) * Solar systems (solar carports) * Heat pumps (heat pumps) * Thermodynamic boilers * Air conditioning systems (air conditioning) * Energy efficiency solutions (CECB/CECB+) The company also provides consulting and support for applying for subsidies for energy efficiency measures in various cantons of Switzerland.

AC/DC Solar + Elektro GmbH

Solar & Photovoltaics · Neudorf · Since 2016

The core activity of AC/DC Solar + Elektro GmbH is the planning, consulting and realization of solar systems and electrical installations, in particular photovoltaic systems, for private and commercial customers.

AceFlex Swiss AG

Solar & Photovoltaics · Dübendorf · Since 2022

The company's core activity is providing holistic energy solutions for businesses, particularly in the field of sustainable energy supply, including photovoltaics, eMobility and energy management systems. The company offers tailored solutions to support businesses in achieving their sustainability goals and reducing energy costs.

Albrecht Marco, Solar- und Wärmetechnik

Plumbing & Building Services · Bitsch · Since 1996

The core activity of AMS Solar and Heat Technology is the planning, installation and maintenance of solar technology systems, particularly photovoltaic and solar thermal systems, as well as the manufacture of stainless steel boilers and energy storage systems. In addition, the company offers services in the field of building biology, such as infrared thermal imaging.

alenergy invest AG

Solar & Photovoltaics · Gossau Zh · Since 2019

The core activity of Alenergy is the planning, installation and maintenance of photovoltaic systems for homeowners and industry, with a focus on solar technology, energy efficiency and renewable energy generation.

Alpen Energie GmbH

Solar & Photovoltaics · Aesch Bl · Since 2024

The core activity of AlpenEnergie is the planning, consulting, sales and installation of innovative and sustainable energy solutions, in particular photovoltaic and storage systems, as well as the provision of products such as solar systems, wall boxes, inverters, storage systems, energy management systems, heating rods and emergency/backup power systems.

ALPHA Solar Systems Sàrl

Solar & Photovoltaics · Cortaillod · Since 2023

The core activity of Alpha Solar Systems is the planning, installation and maintenance of solar systems, as well as providing solutions for the storage of renewable energy and the charging of electric vehicles. This includes in particular: installation of photovoltaic systems, construction of carports with integrated solar systems, installation of charging stations for electric vehicles, provision of battery storage systems, maintenance and repair of solar systems, and development of solutions for mining cryptocurrencies with renewable energy.

Anerdgy AG

Technical Consulting & Engineering · Zurich · Since 2012

The core activity of Anerdgy is consulting and planning rooftop uses, particularly in the field of renewable energy and multifunctional rooftop design. The company offers services such as rooftop potential analysis, detailed planning, rooftop maintenance and construction management to support customers in optimizing and utilizing their rooftop spaces.

A&O connect GmbH

Solar & Photovoltaics · Remetschwil · Since 2023

The core activity of A&O connect GmbH is the planning, installation and maintenance of electrical systems, including photovoltaic systems and charging stations for electric vehicles, as well as providing services in the field of electromobility, electrical installations, electrical inspections and planning & consulting.

Asons AG

Electrical Planning & Installation · Horw · Since 2021

The core activity of asons is the planning, implementation and integration of energy-efficient solutions for private customers, building owners, public institutions, architectural and electrical companies. This includes in particular: The installation and integration of photovoltaic systems, the planning and implementation of energy storage solutions, the development and implementation of e-charging stations for electric vehicles, building automation and KNX integration, and the creation of individual energy concepts and solutions. The company thus offers a comprehensive range of services in the field of renewable energies and energy efficiency.

Basler GU & Immobilien AG

General Contractors · Pratteln · Since 2020

The company's core activity is the planning, development, architecture, construction management and owner representation of medium-sized to large commercial construction projects, including renovations and new construction projects, for private individuals and large corporations from various sectors, such as public institutions, retail, hospitality, industry, healthcare, and manufacturing.

Böller AG Holz- und Solarbau

Solar & Photovoltaics · Frick · Since 1978

Böller AG Holz- und Solarbau provides timber construction, roofing and solar installation services. The company plans and executes new builds, conversions, renovations and timber façades, produces prefabricated timber elements and designs and installs photovoltaic systems, including related roof and maintenance work.

brighthouse ag

Solar & Photovoltaics · Sins · Since 2008

The core activity of brighthouse AG is the planning, installation and marketing of solar systems, in particular photovoltaic systems and solar facades.

Bruntech AG

Electrical Planning & Installation · Oberlunkhofen · Since 1983

The core activity of Bruntech AG includes the planning, implementation and maintenance of plants for renewable energies, in particular: heat pumps and hybrid collector systems, solar and photovoltaic systems, cisterns, spring and rainwater systems, noise reduction solutions, including noise-cancelling technology, to reduce noise emissions, and energy storage systems. The company also offers consulting, planning and repair services for these systems.

BTsun SA

Solar & Photovoltaics · Rennaz · Since 2018

BTsun SA is a general contractor for renewable energy systems offering photovoltaic, solar thermal and storage solutions, heat pumps and electric vehicle charging stations. The company provides turnkey installations, coordinates energy renovation and roof insulation work, and handles administrative procedures and subsidy applications.

BTsun SA

Solar & Photovoltaics · Blonay · Since 2016

BTsun SA is a general contractor for renewable energy that provides turnkey solutions including photovoltaics, solar thermal systems, heat pumps, battery storage and electric vehicle charging stations. The company handles design, installation, coordination of trades, administrative procedures and subsidy applications, and also provides energy renovation, roof insulation and peer-to-peer energy sharing solutions.

Bührer GmbH Elektro Telematik

Solar & Photovoltaics · Hallau · Since 2007

The core activity of Bührer Elektro Telematik is the planning, execution and maintenance of electrical installations, lighting design and telematics systems, including photovoltaic systems, e-charging stations, building automation, lighting and household appliances. The company also offers service and maintenance work, planning and design, as well as installation and testing in these areas.

Ch. Bürgin Haustechnik GmbH

Sheet Metal Work · Aeschi B. Spiez · Since 2002

The core activity of Ch. Bürgin Haustechnik GmbH encompasses the planning, installation, and maintenance of building technology systems, particularly in the areas of: Heating systems (including renewable energy sources such as solar and wood energy), Sanitary systems (including rainwater harvesting and creative space design), Sheet metal work (including precise and accurate work on-site), and Solar systems (to utilize existing resources). The company provides consulting and planning services in these areas and works closely with customers to develop individualized solutions.

CRESYS GmbH

Solar & Photovoltaics · Kaiseraugst · Since 2014

The core activity of CRESYS GmbH is consulting, installation and maintenance of solar systems.

DDH Denzler AG

Solar & Photovoltaics · Flüh · Since 2017

The core activity of DDH Denzler AG includes the planning, consulting and installation of heating systems, sanitary facilities, solar systems and photovoltaic systems, as well as bathroom renovations. The company also offers an emergency service for these areas.

Dutelec Sàrl

Solar & Photovoltaics · Villars-Le-Terroir · Since 2020

The core activity of Dutelec Sàrl is the provision of services in the field of electrical installation, including: repairs, minor works, renovations, transformations, new constructions of houses or buildings, industrial, craft and agricultural installations, as well as electrical, telecommunications and photovoltaic systems. The company thus offers a wide range of electrical services, from installation to maintenance and repair.

EcoKlima GmbH

Plumbing & Building Services · Kölliken · Since 2023

EcoKlima GmbH sells and installs heat pumps for building heating and cooling and supplies related systems such as thermal storage and solar thermal, with Mitsubishi named as its house brand. The company provides solutions for renovations and new builds for single- and multi-family homes as well as larger installations, and offers integration with photovoltaic and storage systems.

Eco Solar Rupp GmbH

Solar & Photovoltaics · Wettingen · Since 2015

The core activity of the company "eco solar rupp gmbh" is consulting, planning and installing solar systems, in particular photovoltaic systems, as well as energy storage and control.

Elektro AG Stammertal

Electrical Planning & Installation · Oberstammheim · Since 1969

The companies Grossmann Brauchli AG and Elektro AG Stammertal are electrical specialist stores offering a wide range of services, including: planning and execution of new and renovation projects, installation of solar systems (photovoltaic systems), multimedia installations including fiber optic cabling, electrical installations, network/IT services, e-mobility services, maintenance and servicing of electrical systems, building automation, and central vacuum system installations. The core activity of the company is therefore in the field of electrical engineering and the installation of various electrical systems and installations.

Elektro Grimbichler

Solar & Photovoltaics · Gempen · Since 2014

Elektro Grimbichler provides electrical installation and service work, including planning, project management and execution for new builds and renovations. Services include measurements and inspections (e.g. long‑term energy and HV testing), vehicle charging stations, lighting systems, construction site and permanent power connections, and compliance testing.

Elektro Handwerk AG

Solar & Photovoltaics · Teufen Ar · Since 2024

Elektro Handwerk AG is an electrical installation company that designs and installs photovoltaic systems, battery storage and electric vehicle charging stations. The company also provides maintenance and repair, electrical works for new-builds and renovations, low-voltage (weak-current) installations and smart-home integration.

Elektro Hirt GmbH

Solar & Photovoltaics · Grossaffoltern · Since 2018

The core activity of Elektro Hirt GmbH is the provision of services in the field of electrical engineering, particularly in the areas of electrical installations, telecommunications, IT, electrical planning, and system integration of building and home automation systems with the global standard KNX. The company offers a comprehensive range of services, from planning to execution and maintenance, and focuses on the areas of power and low-voltage systems, communication systems, and networks.

Elektro Kessler GmbH

Solar & Photovoltaics · Schwyz · Since 2014

The core activity of Elektro Kessler GmbH encompasses the planning, installation, and maintenance of electrical systems, telecommunications systems, and security systems. This includes, in particular: High-voltage installations (e.g. house installations, EW connections), Low-voltage installations (e.g. telephone systems, internet, IP-TV, cable TV), Telecommunications installations (e.g. cabling for offices and households), Security systems (e.g. video door intercom systems, burglar alarm systems, fire alarm systems), Photovoltaic systems (e.g. planning and installation of solar systems). The company also offers service work and repairs for electrical systems and installations.

Elektro Naegelin AG

Solar & Photovoltaics · Frenkendorf · Since 2010

Elektro Naegelin AG provides electrical installations, photovoltaic systems, building automation and e‑mobility solutions, offering consulting, planning, installation and maintenance services. The company delivers project coordination for new-build, renovation and service projects and supports energy-efficiency and communication system integration for private and commercial clients.

Elektro Naegelin AG

Solar & Photovoltaics · Lausen · Since 2018

Elektro Naegelin AG provides electrical engineering services including consulting, planning, installation and maintenance for new builds, renovations and service projects. Its offerings include tailored electrical installations for residential, commercial and industrial clients, photovoltaic system planning and installation, building automation and charging solutions for electric mobility.

Elektro Naegelin AG

Solar & Photovoltaics · Basel · Since 2018

Elektro Naegelin AG provides electrical installation services as well as planning and consultancy for new construction, renovation, refurbishment and maintenance. Its service areas include solar (photovoltaic) systems, building automation and electric mobility.

Emmenbaum GmbH

Solar & Photovoltaics · Emmenbrücke · Since 2023

The Emmenbaum GmbH company offers a wide range of services in the field of construction and building technology. The core activities include: construction management and project management, execution of construction projects, installation and maintenance of sanitary and heating systems, electrical installations, solar system planning, installation and maintenance, painting and plastering work, parquet and floor covering work, renovation work, drying and water damage restoration, and sun protection solutions. The company positions itself as a full-service provider for all aspects of construction and building technology, from planning to execution and maintenance.

energiepuls GmbH

Electrical Planning & Installation · Frutigen · Since 2023

The core activity of Energiepuls GmbH consists of planning, building and maintaining electrical, telephone and IT systems as well as solar systems of all kinds. Furthermore, the core activity also includes the sale and repair of the corresponding devices and facilities, particularly in the field of renewable energies such as heat pumps and solar systems.

Energieversorgung Büren AG

Energy Suppliers · Büren An Der Aare · Since 1999

The company's core activity is the supply of electricity and water to customers, including the production, distribution and billing of energy, as well as ensuring the quality of drinking water and wastewater disposal.

Enes Haustechnik AG

Solar & Photovoltaics · Wald Zh · Since 2018

Enes Haustechnik AG is a building-services company that carries out plumbing and heating installations and repairs. Services include installation of pipes, bathtubs, showers, sinks, faucets and toilets, repair or replacement of household appliances, boiler descaling, flushing of underfloor heating, solar system installation and a 24‑hour service.

ERS Impianti di Sciaini

Solar & Photovoltaics · Cugnasco · Since 2010

The core activity of Sciaini Impianti E.R.S. Impianti is the installation, maintenance and repair of sanitary facilities and heating systems, including the installation of solar thermal systems, the repair and replacement of boilers and heat pumps.

ESP-Hotz GmbH

Solar & Photovoltaics · Oberägeri · Since 2016

The core activity of ESP-Hotz GmbH is the provision of services in the field of electrical engineering, particularly in the areas of: * Photovoltaic systems * Electrical inspections (periodic electrical inspections, electrical inspections of all kinds) * Consulting and expert opinions (independent customer consulting and expert opinions in electrical matters) * Device testing (testing of electrical devices) * Network analysis and load measurement (conducting network analysis in case of network fluctuations, flicker, transients or load measurement in buildings) * Thermography Thus, the company offers a wide range of services in the field of electrical engineering, from planning and installation of photovoltaic systems to maintenance and testing of electrical systems and devices.

Etark, Inh. Müller

Solar & Photovoltaics · Buch Am Irchel · Since 2021

The core activity of etark.ch is the consulting, sales and brokerage of sustainable solar special solutions, in particular products such as Platio Solar floor tiles, Smartflower and Suncatcher, as well as the clarification of building permits and funding for customers in Switzerland.