Energy consulting in the
Canton of Valais

Save NRJ Sàrl

Since 2011 · 1–10 empl.

The core activity of Save NRJ is the optimization of energy efficiency in buildings. To this end, the company offers various services, including: Energy audits of buildings, Planning and consulting for new buildings and renovations, Certification of buildings according to Minergie and CECB standards, Application for subsidies for energy-efficient buildings, Conducting Blower-Door tests and thermographic inspections, Acoustic investigations and consulting, Consulting and planning for the installation of renewable energy systems. The company supports private individuals, companies, municipalities and institutions in optimizing their buildings and helps them reduce their energy costs and improve their environmental balance.

Maison Durable SA

Since 2011 · 1–10 empl.

Maison Durable SA is an architecture and technical consultancy specialising in sustainable construction and energy efficiency in buildings. Its services include energy renovations and building assessments, architectural and construction planning, and support with permits, grant applications and site supervision.

Navitas Consilium SA

Since 2013 · 1–10 empl.

Navitas Consilium SA advises public institutions and the private sector on energy and climate strategies. It provides digital tools for structuring territorial energy data, calculating energy balances and scenarios, and accessing interactive dashboards and maps.

AcroWatt Sàrl

Since 2014 · 1–10 empl.

AcroWatt Sàrl provides services in energy-efficient building design and building physics. Its work includes planning heating, ventilation and plumbing systems, conducting energy and comfort audits, and supporting the planning, implementation and monitoring of construction projects.

forum hoch 2 ag

Since 2015 · 1–10 empl.

forum hoch 2 ag provides engineering, planning and consulting services for building services. Its work includes heating, ventilation, air conditioning, refrigeration and sanitary systems, as well as energy analysis and operational optimisation.

3c Concept Sàrl

Since 2015 · 1–10 empl.

3c Concept Sàrl is a planning consultancy specialising in fire safety, construction management and building energy assessments. Its services include fire-safety planning and quality assurance, project planning and site supervision, as well as energy assessments and CECB certificates for new and renovated buildings.

noleo sàrl

Since 2016 · 1–10 empl.

noleo sàrl develops and delivers housing projects as a general contractor. It also prepares cantonal building energy certificates (CECB) and advisory reports that outline options for energy-efficient renovations.

PRYSME Architecture Sàrl

Since 2017 · 1–10 empl.

PRYSME Architecture Sàrl is an architecture practice offering architectural services and construction management. Its work includes planning and delivering building and renovation projects, as well as energy-efficiency renovations and CECB and CECB+ assessments and advice.

energyneering Sàrl

Since 2018 · 1–10 empl.

energyneering Sàrl is an engineering and consultancy firm working in energy, building services and industry. Its services include energy consulting, building physics, planning and supervision of building systems, energy-efficient renovations and fire protection.

Strassmann Gebäudehülle AG

Since 2018 · 1–10 empl.

Strassmann Gebäudehülle AG carries out roof renovations, sheet-metal work, roofing and façade work. Its services include energy consulting, photovoltaic solutions, and roof repairs and maintenance.

Mathieu Ingenieure AG

Since 2020 · 11–20 empl.

Mathieu Ingenieure AG is an engineering firm specialising in energy and building services. It provides energy consulting and plans heating, cooling, ventilation, air-conditioning and plumbing systems, from analysis and design through to commissioning and operational optimisation.

eicher+pauli Bern AG, Zweigniederlassung Visp

Since 2024 · 101–500 empl.

eicher+pauli Bern AG, Zweigniederlassung Visp provides services in strategic planning, energy engineering and building services engineering. Its work includes energy supply concepts and the planning and coordination of technical building systems.

B-Technologies Sàrl

Since 2022 · 1–10 empl.

B-Technologies Sàrl is a building-services engineering and design firm. It plans and sizes heating, ventilation and plumbing systems, supports their implementation, and provides energy consultancy, audits and technical assessments.

FourniEnergie Sàrl

Since 2023 · 1–10 empl.·5.0(10)

FourniEnergie Sàrl provides energy consulting for buildings and businesses. Its services include CECB® energy certificates, renovation plans, support with subsidy applications and energy documentation, and assistance with renovation projects and the transition to renewable heating systems.

Enerconseil Sion SA

Since 2005 · 11–20 empl.·5.0(3)

Enerconseil Sion SA provides consulting on energy efficiency and building services engineering. Its work includes energy concepts, building physics, acoustics, renewable energy, and the optimisation and refurbishment of buildings and technical systems.

Planair SA

Since 2021 · 21–50 empl.·5.0(2)

Planair SA is an engineering and consulting firm working on the energy and climate transition. It advises businesses, public authorities and private clients on sustainable buildings, energy efficiency and decarbonisation, and supports public authorities in sustainable territorial planning and renewable energy projects.

HGM-Service, Thomas Rall

Since 2016 · 1–10 empl.

HGM-Service, Thomas Rall plans heating, ventilation and sanitary installations for new buildings, renovations and conversions. Its services also include energy and Minergie certificates and assistance with subsidy applications.

Olika Sàrl

Since 2021 · 1–10 empl.

Olika Sàrl provides consultancy and engineering services in energy, the environment and IT. Its work includes energy management, energy data analysis, software engineering and support for energy and digitalisation projects.

Plight Sàrl

Since 2017 · 1–10 empl.·5.0(5)

Plight Sàrl plans lighting solutions and analyses projects for potential energy savings. Its services include lighting advice, cost calculations and work planning, as well as selling, developing and custom-manufacturing luminaires.

Workswell Sàrl

Since 2019 · 1–10 empl.

Workswell Sàrl develops energy measurement and monitoring solutions for buildings. Its services include data acquisition, energy monitoring, energy audits and consulting, protocol audits, open products, and custom software and electronics development.

MGM solaire Sàrl

Since 2023 · 1–10 empl.·4.8(11)

MGM solaire Sàrl specialises in improving the energy performance of buildings, particularly through the planning and installation of photovoltaic systems. Its services also include energy assessments, advice, administrative support, consumption optimisation and project management.

Voltage ENGINEERING AG

Since 2020 · 1–10 empl.·5.0(3)

Voltage ENGINEERING AG is an independent electrical engineering consultancy specialising in the planning of electrical and building services systems. Its services include electrical and lighting design, energy efficiency, photovoltaic systems, interface coordination, safety inspections, condition assessments and lightning protection.

Rhyner énergie Sàrl

Since 2003 · 11–20 empl.·5.0(3)

Rhyner énergie Sàrl plans and installs renewable energy systems, including photovoltaic and solar thermal installations and wood heating. It also provides building energy assessments and energy certificates, and supports energy-efficient building renovations.

consing VS AG

Since 2011 · 21–50 empl.·5.0(1)

consing VS AG is an engineering and consulting company specialising in energy and infrastructure. It plans and designs energy supply and automation systems, provides energy and environmental advice for buildings and building technology, and prepares energy-economics and technical assessments.

BS Energy AG

Since 2024 · 1–10 empl.

BS Energy AG plans and implements customised battery storage solutions for businesses, municipalities and private households. Its services include energy concepts and energy management, as well as applications such as storing solar power, peak shaving and system services.

Erlebnisplus AG

Since 2025 · 1–10 empl.

Erlebnisplus AG provides property advisory, valuation and energy consulting services. Its other activities include website and application development, graphic design and animation, marketing and brand strategy, and support for innovation and project work.

EnergieUp Sàrl

Since 2022 · 1–10 empl.

EnergieUp Sàrl is an energy consultancy for buildings and energy renovations. Its services include advice on heating systems and renewable energy, building energy assessments, technical solution proposals and support with subsidy applications.

INATEG AG

Since 2023 · 1–10 empl.

INATEG AG provides consulting and engineering services in energy and building technology, building physics and energy-efficient renovations. Its services include planning and project management, renovation concepts, support with funding programmes, and expert assessments and reports.

VHTechnic Sàrl

Since 2011 · 1–10 empl.·5.0(3)

VHTechnic Sàrl is an engineering consultancy for plumbing, heating, ventilation, air conditioning and energy systems. Its services include technical studies, tendering and execution plans, project supervision, energy assessments and studies for Minergie-certified buildings.

GC Energie SA

Since 2016 · 1–10 empl.·5.0(1)

GC Energie SA provides turnkey photovoltaic installations, including project studies, self-consumption management and energy storage solutions. The company also assesses building energy performance, advises on energy renovations and subsidies, and prepares building energy certificates and thermal assessments.

DzèTech Sàrl

Since 2022 · 1–10 empl.

DzèTech Sàrl provides energy consultancy for new buildings and renovations. Its services include thermal performance documentation, Minergie and cantonal building energy certifications, assistance with grant applications, advice on renewable heating, and assessments of moisture and comfort issues.

Centre de recherche Crem

Since 1987 · 11–20 empl.·2.5(2)

Centre de recherche Crem is a non-profit association working on energy and energy networks in urban areas. It supports municipalities and businesses with energy efficiency, renewable energy, building-renovation planning, and the collection and management of energy and climate data.

Produbati Sàrl

Since 2021 · 21–50 empl.·5.0(2)

Produbati Sàrl provides building pollutant assessments, including inspections for asbestos, lead, PCBs and PAHs. Its services also include sampling, monitoring of remediation work, radon measurements, building energy certificates and advice on energy renovations.

Sakti SA

Since 2023 · 1–10 empl.

Sakti SA develops a platform for planning energy-transition projects and supports customers from initial estimates through implementation. Its services include solar installations, heating systems and electric mobility, as well as advice, financing and insurance.

Gartenmann Engineering AG

Since 2021 · 51–100 empl.·5.0(1)

Gartenmann Engineering AG is an engineering consultancy specialising in services for the construction sector. It advises on and supports building projects in sustainability, acoustics, building physics, energy, pollutant analysis and fire protection.

Mycorhize Sàrl

Since 2023 · 1–10 empl.

Mycorhize Sàrl advises public authorities and private businesses on sustainable development and carries out projects in this field. Its services include energy, environmental and water assessments, social research, participatory processes and project communication.

Tecnoservice Engineering SA

Since 1996 · 1–10 empl.·1.0(1)

Tecnoservice Engineering SA is an engineering and consulting firm for building services and energy studies in the building and industrial sectors. Its work includes planning heating, ventilation, air-conditioning, plumbing and electrical systems, as well as providing technical project management.

OIKEN SA

Since 2019 · 101–500 empl.·2.8(71)

OIKEN SA supplies electricity to households, businesses and municipalities and operates and develops energy distribution networks. Its services also include photovoltaic, heating and electric mobility solutions, energy advice, efficiency assessments and multimedia services.