Solar & Photovoltaics in the
Canton of Zug

THERMAG Wärmearchitekten GmbH

Since 2013 · 1–10 empl.·4.6(9)

THERMAG Wärmearchitekten GmbH provides consulting, planning and implementation of holistic heating concepts for single-family homes, with a focus on wood-based and solar thermal systems and stove construction. Services include stove construction, storage and combi-storage solutions, solar thermal systems, infrared heating and heat-distribution components including controls, delivered from design through installation.

Tresolar AG

Since 2010 · 11–20 empl.·4.3(6)

The core activity of TRE SOLAR AG is the planning, consulting, installation and maintenance of photovoltaic systems, as well as the provision of services in the field of smart building technology, particularly the integration of solar energy into buildings and the realization of individual solar projects for private and commercial customers.

Hitz Holzbau AG

Since 2015 · 11–20 empl.·5.0(5)

The core activity of Hitz Holzbau AG is timber construction, particularly the planning, construction and renovation of timber buildings, including element construction, interior finishing, conversion, renovations, staircase construction, agricultural buildings, façades, photovoltaics and terrace decking.

Fux Voltaik AG

Since 1973 · 11–20 empl.

The core activity of Fux Voltaik is the planning, installation, operation and maintenance of solar systems, particularly for industrial and multi-family homes. This also includes creating economic calculations, financing facilities and taking over periodic inspections and cleaning. The company also offers consulting and planning for the implementation of solar systems and supports customers in selecting providers and communicating with local power suppliers.

Energotech AG

Since 1976 · 1–10 empl.

Energotech AG distributes components and systems for engine, generator and power technology. Its range includes preheaters, filters, protection devices, battery chargers, joysticks, regulators, sensors and spare parts.

M + K Bausysteme AG

Since 1988 · 11–20 empl.

The core activity of M+K Bausysteme AG is the planning, development and distribution of assembly solutions for building envelopes, particularly for roofs and facades, including the manufacture and trade of corresponding building components and accessories. A key focus is on the development of complete solutions for photovoltaic systems.

Landtwing Telefon und Elektro AG

Since 1992 · 11–20 empl.

The core activity of Landtwing Telefon und Elektro AG is the provision of services in the fields of electrical engineering, telecommunications and IT. Specifically, this includes: electrical services, renovations and conversions, high-voltage and telephone installations, residential, commercial and office installations, IT cabling, building automation, service and repairs, and planning and execution of projects in the fields of electrical engineering and telecommunications.

Engynious AG

Since 2001 · 11–20 empl.

The core activity of Engynious AG is the planning, construction and maintenance of decentralized renewable energy systems, in particular photovoltaic systems, as well as the provision of services in the field of energy generation and management. This includes the development of projects, the planning and installation of PV systems, the technical and commercial maintenance of plants, the optimization of energy costs and yields, as well as the provision of solutions for the storage and use of renewable energy.

Trüsta Solar GmbH

Since 2003 · 1–10 empl.

The core activity of Trüsta Solar is the planning, construction and optimization of solar systems for private and commercial customers, with the goal of enabling sustainable and cost-effective energy supply. This also includes services such as energy billing, contracting and the optimization of self-consumption of solar power.

Peter Wyss

Since 2005 · 1–10 empl.

The core activity of Peter Wyss Sanitär und Heizungen consists of the installation, maintenance and repair of sanitary facilities and heating systems, including the planning and execution of sanitary and heating projects, as well as the construction of solar systems and the implementation of water treatment works.

e-swissolar AG

Since 2006 · 1–10 empl.

The core activity of e-swissolar AG is the development and provision of innovative products and services for the energy industry, particularly in the field of renewable energies and decentralized energy generation. Specifically, this includes: * The development of customized technology-based infrastructures (hardware and software) for the renewable energy industry * The creation of decentralized energy networks based on blockchain technology * The development of financing solutions for utilities, cities and municipalities through the use of token economy and DeFi systems * The promotion of local energy markets and support for utilities, cities and municipalities in the energy transition.

Keiser & Heini AG

Since 2008 · 1–10 empl.

Keiser & Heini AG provides consulting, planning, installation and service for heating systems, solar thermal installations and heat pumps. The company installs solar thermal systems, integrates solar support for heating systems and is an official competence partner of Heliotherm heat pumps.

PECSO - Energy Consulting & Solutions - Pino Pacifico

Since 2009 · 1–10 empl.

PECSO - Energy Consulting & Solutions - Pino Pacifico provides energy consulting and technical planning and implementation services for buildings, with a focus on solar energy (thermal and photovoltaic) and building services engineering. Services include feasibility studies, construction management, thermography, monitoring, GEAK/GEAK Plus reports and support for heating system upgrades.

PLAN-B NET ZERO AG

Since 2009 · 11–20 empl.

The core activity of PLAN-B NET ZERO AG is the construction of solar systems and the supply of customers with ecologically produced electricity. The company offers energy autonomy concepts for private customers and businesses, including solutions for the emergency power sector.

Solarteam AG

Since 2009 · 1–10 empl.

The core activity of Solarteam AG is the development, manufacture and sale of installation-friendly and aesthetically pleasing substructures for framed standard photovoltaic modules, in particular insertion systems, for on-roof, in-roof and facade installations.

Neue erneuerbare Projekte AG

Since 2009 · 1–10 empl.

Neue erneuerbare Projekte AG provides photovoltaic and battery storage solutions for commercial and industrial customers. The company plans, finances, builds, operates and maintains turnkey solar and storage systems as part of its solar contracting services.

Green Enesys Group GmbH

Since 2009 · 11–20 empl.

The core activity of green enesys is the development and provision of renewable energy solutions, particularly in the areas of: * Photovoltaics (solar power) * Agrivoltaics (combination of agriculture and photovoltaics) * Battery storage * Thermal storage * E-methanol production * Green hydrogen production The company supports landowners, investors, and industrial partners in the realization of projects in the field of renewable energies and offers solutions for the planning, approval, and implementation of large-scale PV projects.

MET International AG

Since 2010 · 1–10 empl.

MET International AG manages wholesale and trading activities for MET Group’s natural gas, LNG and power portfolios, including LNG supply management. It provides portfolio optimisation, structured trading and market-facing services and administers the group’s environmental certificates portfolio.

Nussbaumer Bedachungen AG

Since 2011 · 11–20 empl.

Nussbaumer Bedachungen AG carries out roofing and facade work, including pitched and flat roofs, sheet-metal (spengler) work, waterproofing and roof maintenance. The company also installs photovoltaic systems, provides lightning protection, scaffolding and height-safety solutions, and offers vocational training.

JinkoSolar (Switzerland) AG

Since 2011 · 11–20 empl.

The core activity of JinkoSolar is the development, manufacture and distribution of solar panels and energy storage systems for use in various segments, including photovoltaics, utility storage, commercial and private energy storage.

Qanta Energy AG

Since 2012 · 1–10 empl.

The core activity of Qanta Energy is the production of local, carbon-free and resilient energy through the ownership and operation of renewable energy generation facilities, such as solar parks and rooftop installations. Additionally, the company also offers energy renovation and optimization services to customers to reduce their energy needs.

MET ManCo AG

Since 2012 · 11–20 empl.

MET ManCo AG is part of the MET Group and serves as a management and holding entity within the group. The MET Group is an integrated European energy company active in natural gas and power markets, with business in trading, sales, infrastructure and renewable energy assets.

Tahirukaj GmbH

Since 2013 · 1–10 empl.

The core activity of Tahirukaj GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of plumbing, heating and solar energy. This includes the creation of sanitary facilities, heating systems and solar systems for private households, medium-sized businesses and large corporations. In addition, the company also offers service and repair services for defective water pipes, clogged drains, heating failures and other building technology problems.

Village Power AG

Since 2013 · 11–20 empl.

The core activity of Village Power is the development, marketing and distribution of solar power products and systems, particularly for use in rural areas in Sub-Saharan Africa, with the aim of providing people with access to modern energy and improving their living conditions.

StreamTec Solutions AG

Since 2013 · 1–10 empl.

The core activity of StreamTec PV is the planning and development of ground-mounted photovoltaic systems (PV systems).

MET Gas and Energy Marketing AG

Since 2014 · 11–20 empl.

MET Gas and Energy Marketing AG is an energy company active in natural gas and power markets. Its website also describes activities in LNG, renewable electricity production, energy infrastructure and industrial assets.

MET Renewables AG

Since 2017 · 11–20 empl.

MET Renewables AG is the Green Asset Division of MET Group, focusing on the development and production of onshore wind and solar energy.

MET Capital Partners AG

Since 2017 · 11–20 empl.

MET Capital Partners AG is an investment platform linked to the MET Group CEO that serves as a holding and investment vehicle. It holds ownership and investment interests in companies within the MET Group.

Swiss Solar Ventures AG

Since 2020 · 11–20 empl.

The core activity of Swiss Solar Ventures AG is the realization of photovoltaic projects for property owners and managers. The company offers an all-in-one solution that includes planning, implementation and maintenance of solar systems, with the goal of creating profitable and sustainable energy projects.

neoom switzerland ag

Since 2022 · 21–50 empl.

neoom switzerland ag develops and supplies decentralized energy systems and related products, including photovoltaic modules, battery storage, EV charging stations and energy-management software such as BEAAM and CONNECT Ai. The company provides integrated hardware and digital services for households, businesses and energy communities.

Helion Energy AG

Since 2022 · 101–500 empl.

The core activity of Helion Energy AG is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, energy storage systems, heat pumps and charging stations for electric vehicles. The company also provides consulting and services in the field of energy efficiency and renewable energies.

Second Foundation Trading AG

Since 2023 · 101–500 empl.

The core activity of Second Foundation Trading AG is the trading of energy products, particularly electricity, gas and renewable energies, in over 20 markets in Europe and worldwide.

7SUN GmbH

Since 2024 · 21–50 empl.

The company 7SUN is a distributor of photovoltaic systems.

Talesun Solar Switzerland AG

Since 2011 · 1–10 empl.

A. Gisiger GmbH

Since 2001 · 1–10 empl.·4.8(6)

The core activity of A. Gisiger GmbH is the planning, installation and maintenance of sanitary facilities, heating systems, household appliances, solar systems and metal ceilings, as well as the operation of a sanitary shop. The company also offers emergency and service services in these areas.

Romoton GmbH

Since 2012 · 1–10 empl.·5.0(3)

Romoton GmbH is a diversified installation company offering illuminated signage, photovoltaic system installations, solar-powered lighting systems and professional aerial photography. Services include visualization and planning, mounting, repair and maintenance of lighting and advertising installations, full PV mounting and wiring up to the inverter, and high-resolution aerial imaging.

Senn Haustech AG

Since 2001 · 1–10 empl.·4.8(6)

The core activity of Senn Haustech AG is consulting, planning and implementing sanitary, heating and solar systems.

DILEO ENZO GmbH

Since 2001 · 1–10 empl.·4.0(5)

The core activity of Dileo Enzo GmbH encompasses the planning, installation, maintenance and repair of sanitary and heating systems, including the elimination of water damage and mold. Additionally, the company offers services in the field of solar thermal energy, heat pumps and basic maintenance of building technology systems. It also acts as a general contractor for renovations and new installations of bathrooms and heating systems.