3'202 companies found
Watts Electricité SA
Geneva · Since 2018
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.
WEBERA Immobilien GmbH
Dachsen · Since 1996
The core activity of Weber Metallbau GmbH is the planning, manufacture and installation of custom-made metal constructions for a wide range of applications, including industrial plants, architectural projects and private construction projects. This also includes the production of metal, steel, window and facade components, as well as the installation of solar systems and the manufacture of awnings and other outdoor products.
Wesba AG
Ballwil · Since 1997
The core activity of Wesba AG is the planning, installation and maintenance of various systems in the field of building technology, particularly: thermal solar systems, photovoltaic systems, heating systems (including wood heating systems), sanitary systems, controlled residential ventilation, and rainwater harvesting. The company also provides services in the areas of consulting, planning and execution of projects in the field of renewable energy and building technology.
Wirth Haustechnik AG
Oberstammheim · Since 2009
The core activity of Wirth Haustechnik AG is the planning, installation and maintenance of sanitary and heating systems, including the provision of solutions for water and heat supply, such as water softening systems, heating systems, heat pumps, pellet and wood-fired heating systems, solar systems and district heating.
Wirz Elektro GmbH
Liestal · Since 2020
The core activity of Wirz Elektro GmbH is the provision of electrical services, particularly the planning, installation and maintenance of electrical systems for new and renovation projects, for both private and commercial customers. This also includes consulting and support for the efficient use of energy as well as the installation of photovoltaic systems.
Zuliani Sanitär - Heizung GmbH
Ennetaach · Since 2003
Zuliani Sanitär - Heizung GmbH provides services in the sanitary and heating sector, including installation, maintenance and repair of plumbing fixtures and heating systems.
1000 Sonnen-Dächer Swiss AG
Tägerwilen · Since 2012
The core activity of 1000 Sonnen-Dächer Swiss AG is the planning, installation and maintenance of solar systems, energy storage systems and electromobility solutions for private and business customers, with the aim of increasing energy efficiency and independence from rising electricity prices.
Acqua De Paolis GmbH
Lucerne · Since 2010
The company Acqua De Paolis GmbH is a specialist firm that has focused on the areas of plumbing, heating and service. The core activities include the planning, installation and maintenance of heating systems, as well as the renovation and modernization of bathrooms and sanitary facilities. In addition, the company offers service activities to improve the energy efficiency and comfort of residential and commercial spaces.
ACTIV ENERGY GROUP SA
Geneva · Since 2016
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.
activ solar Schweiz GmbH
Binz · Since 2012
The core activity of activ solar Schweiz GmbH is the planning, development and implementation of sustainable energy solutions, particularly in the field of solar energy, for private households and companies. This includes the provision of photovoltaic systems, battery storage, e-mobility solutions, heat pumps and façade PV systems, as well as the associated consulting and maintenance services.
Baumann Elektroinstallationen GmbH
Nidau · Since 2000
The core activity of Baumann Elektroinstallationen GmbH is the provision of services in the field of electrical engineering, particularly in the areas of: electrical installation, service and maintenance of electrical systems, building automation (control of lighting, heating, ventilation and security systems), communication (telephony, WLAN and networks), planning and installation of wallboxes and solar energy and photovoltaic systems, and device testing (testing of electrical devices for safety and compliance with regulations). The company offers these services to both private households and businesses, positioning itself as a reliable partner for electrical installations and services in the Biel region and surrounding areas.
Beosolar GmbH
Spiez · Since 2010
The company primarily focuses on planning, installing, and maintaining energy and building technology systems, particularly in the areas of heating, photovoltaics, and energy efficiency. It offers its customers comprehensive services, including energy consulting, energy optimization, maintenance work, and repairs, to ensure a sustainable and efficient energy supply.
Bosson + Rapo SA
Carouge Ge · Since 1987
The core activity of Bosson + Rapo SA consists of the installation, maintenance and repair of heating systems, solar systems and fuel tanks, as well as the provision of 24-hour emergency services for these systems.
B. Stillhart Dach + Fassaden + Solar AG
Bronschhofen · Since 2007
The core activity of B. Stillhart Dach + Fassaden + Solar AG encompasses the planning, execution and maintenance of roofing and facade work, including the installation of solar modules and photovoltaic systems. The services range from the construction of pitched and flat roofs to the assembly of facade elements and thermal insulation to power generation. The company also offers comprehensive consulting and services in the field of building envelopes, including repairs, renovations and new construction.
DD Solar GmbH
Olten · Since 2023
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.
Desfayes Electricité Sàrl
Cully · Since 2014
Desfayes Électricité SARL is an electrical company offering a wide range of services in the field of electrical installations. The company's core activities include: installation of high and low voltage systems, new installations, renovations and extensions of electrical systems, temporary installations for events, construction sites and other occasions, installation of telephone, computer networks, television systems, intercom systems and alarm systems, sale and installation of electrical appliances, lighting systems and other electrical systems. The company also provides solutions for electric vehicle charging stations, photovoltaic systems and energy management systems.
De-Stefani AG
Chur · Since 1973
The core activity of De-Stefani AG is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of heating, plumbing and ventilation, for single-family and multi-family homes as well as other buildings.
ecoEn GmbH
Zurich · Since 2017
The core activity of ecoEn is consulting, planning, installation and maintenance of renewable energy solutions, particularly photovoltaic systems, energy storage batteries, smart home systems, e-mobility and heat pumps, with the goal of supporting customers in switching to an emission-free, sustainable and autonomous energy supply.
Edelfalter AG
Mühlethal · Since 2004
The core activity of Edelfalter AG is the planning, installation and distribution of solar systems, in particular rooftop systems, flat roof systems, in-roof systems and facade systems.
Eiholzer AG
Baldegg · Since 1983
The company's core activity is the planning, installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems, as well as the execution of renovation and modernization work in these areas.
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Source: Federal Statistical Office, UID register