Energy consulting in the
Canton of Neuchâtel
49 companies in Energy consulting based in the Canton of Neuchâtel — name and year of registration from the commercial register. The list below shows them all.
All 49 companies in the Canton of Neuchâtel
J.-D. Schindelholz SA
Since 2011 · 1–10 empl.4.7(32)
J.-D. Schindelholz SA provides plumbing, heating and building-services installations. Its services include planning, installation, maintenance and repair, as well as energy advice and building energy renovations.
ELKA Energy Sàrl
Since 2020 · 1–10 empl.5.0(33)
ELKA Energy Sàrl provides renewable energy and building energy solutions. Its services include planning and installing photovoltaic systems and heat pumps, conducting energy assessments, coordinating turnkey projects, and providing inspection and maintenance.
Planair SA
Since 2002 · 101–500 empl.5.0(2)
Planair SA is an engineering and consulting firm focused on the energy and climate transition. It advises businesses, public authorities and private clients on sustainable buildings, industrial energy efficiency and sustainable territorial development, and provides services in renewable energy and technical systems planning.
Avincis SA
Since 2020 · 1–10 empl.5.0(18)
Avincis SA provides energy advice, building energy audits and services to improve the energy performance of properties, including heating-system advice and CECB and CECB Plus audits. It also develops insulating subframes and shutters for building solar protection.
Masai Conseils SA
Since 1981 · 11–20 empl.4.3(7)
Masai Conseils SA is an engineering consultancy working in energy, renewable energy and geology. Its services include building energy retrofits and efficiency, solar energy, geothermal energy, hydrogeology, geotechnical engineering and radon.
BA énergies bureau technique ARNAUD
Since 2019 · 1–10 empl.5.0(8)
BA énergies bureau technique ARNAUD is an independent technical consultancy focused on the energy performance of buildings. It provides thermal assessments and energy certificates, designs and sizes heating systems, and supports clients from initial diagnosis through to construction supervision.
DPC Diot Process Control S.A.
Since 1994 · 1–10 empl.
DPC Diot Process Control S.A. provides services in energy efficiency, automation and process control. It develops analytical instruments for industrial products, particularly in the petrochemical sector, and delivers automation solutions for industrial and building applications.
BETELEC S.A. ingénieurs-conseils en électricité, succursale de Neuchâtel
Since 2002 · 1–10 empl.
BETELEC S.A. ingénieurs-conseils en électricité, succursale de Neuchâtel is an engineering and consulting firm specialising in electrical installations. Its services include project design and management in electrical engineering, energy and building security, as well as BIM and energy consulting.
Elisafe SA
Since 2006 · 1–10 empl.
Elisafe SA is an independent inspection body that carries out electrical safety inspections under Switzerland’s Low-Voltage Installations Ordinance (OIBT). Its services include final, acceptance and periodic inspections, safety assessments, building energy certificates, and certification and inspections of photovoltaic systems.
GITECH Sàrl
Since 2007 · 1–10 empl.
GITECH Sàrl is an engineering consultancy working in building energy and applied research and development. Its services include energy advice for building projects, energy certificates and heat-pump installation planning; its development work includes a self-controlled permanent-magnet synchronous motor and magnetocaloric cooling.
Atelier21 Sàrl
Since 2008 · 1–10 empl.
Atelier21 Sàrl carries out studies and work related to the use of energy. Its activities also include implementing, maintaining and operating technical installations.
PPLUS Sàrl
Since 2010 · 11–20 empl.
PPLUS Sàrl is an engineering consultancy in environmental engineering, building physics and energy. It provides studies and advice on topics including noise, air pollution, contaminated sites, sound insulation and building energy efficiency across the planning, implementation and operation phases of projects.
ENERGYS Sàrl, succursale de La Chaux-de-Fonds
Since 2018 · 1–10 empl.
ENERGYS Sàrl, succursale de La Chaux-de-Fonds is an engineering consultancy active in building services, energy and the environment. Its services include planning heating, ventilation, air conditioning, plumbing and electrical systems, as well as energy assessments, building physics, construction ecology, fire protection and support with building permits and grants.
LMNT consultancy Sàrl
Since 2018 · 1–10 empl.
LMNT consultancy Sàrl advises architects, construction companies and public authorities on building energy efficiency and photovoltaics. Its services include strategic and technical consulting, building assessments, feasibility studies and planning support for integrating solar energy into new buildings and renovation projects.
CSD Ingénieurs SA, succursale de Neuchâtel
Since 2022 · 101–500 empl.
CSD Ingénieurs SA, succursale de Neuchâtel provides multidisciplinary engineering services in areas including the environment, nature, water and energy, as well as buildings, transport infrastructure, gravel pits and quarries. Its work includes geology, contaminated-site remediation, energy consulting and spatial planning.
Atelier d'architecture Fabienne Würsch Peiris Sàrl
Since 2016 · 1–10 empl.
Atelier d'architecture Fabienne Würsch Peiris Sàrl is an architectural practice working on new buildings and renovations, including listed buildings. Its activities include energy-efficient construction, from energy advice and assessments to Minergie projects, as well as project development and construction supervision.
KEZIA - Architecture & Energies Sàrl
Since 2021 · 11–20 empl.
KEZIA - Architecture & Energies Sàrl is a multidisciplinary architecture and engineering practice. It plans and manages building and renovation projects from feasibility studies through construction supervision, and provides energy assessments, advice on improving building performance, interior design and sustainable construction expertise.
SF Conseils Immo Sàrl
Since 2018 · 1–10 empl.5.0(5)
SF Conseils Immo Sàrl advises on property financing and mortgages, including purchases, renewals and the negotiation of financing. It also provides advice on building energy efficiency, prepares cantonal building energy certificates (CECB) and supports clients with energy assessments and subsidy applications.
EQUADA SA
Since 2012 · 1–10 empl.5.0(1)
EQUADA SA is an engineering consultancy for energy and building services in buildings and industrial facilities. Its work includes energy assessments, the design of heating, ventilation, cooling and sanitary systems and solar installations, as well as project coordination and operational performance monitoring.
Weinmann Energies S.A.
Since 2013 · 21–50 empl.5.0(1)
Weinmann Energies S.A. is an independent consulting engineering firm specialising in building services, energy and sustainability. Its work includes planning and optimising technical building systems, as well as energy-efficiency consulting, building physics and sustainable construction.
Consomd Sàrl
Since 2020 · 1–10 empl.
Consomd Sàrl provides energy advice and workshops to help people understand and reduce their energy and water consumption. It supports households, businesses and public authorities with consumption assessments, practical saving measures and communication activities on energy and renewable sources.
ALZA Architecture-Conseils Sàrl
Since 2021 · 1–10 empl.5.0(3)
ALZA Architecture-Conseils Sàrl is an architecture practice working in architecture and fire protection. Its services include feasibility studies, project design and development, coordination of specialist consultants, construction management and 3D visualisation, as well as energy-efficiency renovation and advice.
Atelier Celsius Sàrl
Since 2021 · 1–10 empl.5.0(5)
Atelier Celsius Sàrl is an architecture practice working on individual homes and apartment buildings. Its services include building energy assessments (CECB), thermal imaging, property valuations, advice on renewable heating, and guidance on radon and building-renovation subsidies.
DS Energies Sàrl
Since 2024 · 1–10 empl.
DS Energies Sàrl provides advice on building energy efficiency and prepares energy analyses and building energy certificates. Its services include guidance on renewable heating, energy renovations and subsidy applications, as well as diagnostics for hazardous substances such as asbestos.
Btec.ch Energie Sàrl
Since 2023 · 1–10 empl.
Btec.ch Energie Sàrl provides energy assessments for buildings. Its services include thermal calculations, building energy certificates and advisory reports, as well as assistance with subsidy applications and SATAC permit requests.
Btec.ch Bureau technique Sàrl
Since 2023 · 1–10 empl.
Btec.ch Bureau technique Sàrl is a building-services engineering consultancy. It plans heating, plumbing, ventilation and air-conditioning systems, as well as industrial and commercial refrigeration, and supports projects from preliminary design through execution.
Pierre Renaud, Ingénieur conseil EPFZ
Since 2020 · 1–10 empl.
Pierre Renaud, Ingénieur conseil EPFZ is an engineering consultancy providing energy advice and technical support for construction and energy-efficiency projects. Its services include energy assessments, advice on building envelopes and technical systems, site supervision and project management, including for international projects.
Juvet Consulting Group
Since 2014 · 1–10 empl.5.0(1)
Juvet Consulting Group is an engineering consultancy specialising in strategy, development and energy policy. Its services include energy-policy tools, renewable energy project development, building energy advice, energy and environmental audits, and training.
Immo chauffage - Fabrice Debély
Since 2025 · 1–10 empl.
Immo chauffage - Fabrice Debély advises on the energy efficiency of buildings and prepares Swiss building energy certificates (CECB). Services include energy assessment reports, recommendations for renovation measures, and technical support with renovation planning and implementation.
Jobin GreenTech
Since 2025 · 1–10 empl.
Jobin GreenTech provides energy consulting for buildings and prepares GEAK and GEAK Plus certificates to assess energy performance. It advises on renewable heating systems and assists with building permits and subsidy applications for energy renovations.
Sydeen & Associés Sàrl
Since 2026 · 1–10 empl.
Sydeen & Associés Sàrl is an engineering firm specialising in building climate and energy systems for industrial and commercial buildings. It designs and optimises heating, ventilation, air-conditioning and plumbing installations, provides energy assessments and 3D/BIM modelling, and supports projects from planning through implementation.
Energimo SA
Since 2007 · 1–10 empl.
Energimo SA provides real estate services, including property valuation, brokerage, negotiation, maintenance, renovation and technical management. It also offers wood-heating systems such as log and pellet stoves and pellet boilers, as well as chimney lining services.
a21 sàrl
Since 2010 · 1–10 empl.
a21 sàrl is an engineering consultancy providing advice and expert assessments in energy, construction and the environment. Its work includes developing concepts and managing projects in line with sustainable development principles.
mcb architectes Sàrl
Since 2016 · 1–10 empl.
mcb architectes Sàrl is an architecture practice working on architectural quality, the preservation of built heritage and sustainable construction. The practice is a Minergie partner and provides asbestos and building energy certificate expertise.
CAV Consulting Sàrl
Since 2017 · 1–10 empl.
CAV Consulting Sàrl is an engineering consultancy specialising in energy and building services. It plans heating, ventilation, air-conditioning, sanitary and electrical systems, as well as building automation, and provides services including energy optimisation, building physics, building permit and subsidy support, and fire protection concepts.
SP2 Stéphanie Perregaux
Since 2017 · 1–10 empl.
SP2 Stéphanie Perregaux is an engineering consultancy specialising in renewable energy and energy efficiency in buildings. It provides building energy assessments and advice on renovations, heating system replacements, solar thermal and photovoltaic installations, and support with energy projects and subsidy applications.
AADTEC - Sandra Streit
Since 2021 · 1–10 empl.
AADTEC - Sandra Streit supports construction, conversion and renovation projects with technical drawings, feasibility studies, building-permit applications and construction management. Its services also include cost and schedule monitoring, energy advice, and CECB and CECB Plus certificates.
Berthold Sàrl
Since 2025 · 1–10 empl.
Berthold Sàrl is a consultancy that specializes in energy analyses and building technology.
Perrin Technique SA
Since 1984 · 1–10 empl.
T. Pittet - techniques et ingénierie des bâtiments
Since 2012 · 1–10 empl.
MAGNIN - ONE VISION
Since 2019 · 1–10 empl.
ML Solutions Energétiques - Ludovic Moënne-Loccoz
Since 2022 · 1–10 empl.
SWISS GLOBAL PARTNERS - BOTTONE Aurélien
Since 2023 · 1–10 empl.
Praxis - M. Guichard Conseils
Since 2023 · 1–10 empl.
RAXE Sàrl
Since 2024 · 1–10 empl.
Immo Energies - Fabrice Debély
Since 2025 · 1–10 empl.
Thermo-conseil J. Fernandez
Since 2025 · 1–10 empl.
Mendes Chauffage & Sanitaire Sàrl
Since 2026 · 1–10 empl.
LR Energy Sàrl
Since 2026 · 1–10 empl.
Energy consulting in the Canton of Neuchâtel
Energy consulting in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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