Energy consulting in the
Canton of Vaud
259 companies in Energy consulting based in the Canton of Vaud — name and year of registration from the commercial register.
50 of 259 companies
Romande Energie Services SA
Since 2002 · 101–500 empl.4.5(34)
Romande Energie Services SA provides energy services for businesses and real-estate professionals. Its activities include energy advice and efficiency improvements, solar solutions, heating and cooling systems, charging infrastructure, and technical building installations and services.
Romande Energie Holding SA
Since 1901 · 21–50 empl.4.5(34)
Romande Energie Holding SA is the parent company of the Romande Energie Group. It sets the Group’s overall strategy and manages its subsidiaries and shareholdings.
I.ON Energy Services Sàrl
Since 2020 · 1–10 empl.4.9(96)
I.ON Energy Services Sàrl designs and installs photovoltaic systems, heat pumps, battery storage, electric vehicle charging stations and air-conditioning systems. Its services also include building energy certificates, energy advice, technical studies, commissioning and maintenance.
Lamy Expertise SA
Since 2007 · 11–20 empl.5.0(11)
Lamy Expertise SA provides valuations of real estate and movable assets, as well as technical assessments of buildings and construction. Its services also include building pollutant diagnostics and energy performance assessments.
PAC'INFO SA
Since 2007 · 11–20 empl.5.0(11)
PAC'INFO SA is a consultancy and engineering firm specialising in energy and building services. Its work includes energy audits and planning, heating, ventilation, air conditioning and plumbing systems, building physics, and energy-transition promotion and training.
Ingénieurs-Conseils Scherler SA
Since 1983 · 21–50 empl.5.0(6)
Ingénieurs-Conseils Scherler SA is an engineering and consulting firm specialising in building services. Its activities include planning heating, ventilation, air conditioning, plumbing and electrical systems, as well as energy consulting, building automation, security planning and technical construction management.
Gippa Jean-Jacques S.A.
Since 1990 · 1–10 empl.4.3(31)
Gippa Jean-Jacques S.A. designs, installs and maintains heating, plumbing and ventilation systems. It also provides energy assessments and renewable energy solutions, including heat pumps, solar energy and geothermal systems.
Êta Consult Sàrl
Since 2023 · 11–20 empl.5.0(16)
Êta Consult Sàrl is an independent engineering firm specialising in building thermal engineering and building physics. It prepares building energy certificates and renovation analyses, produces energy documentation, and supports clients with energy-efficient renovations and subsidy applications.
Planair SA, succursale d'Yverdon
Since 2008 · 51–100 empl.5.0(2)
Planair SA, succursale d'Yverdon is an engineering consultancy working on energy efficiency, renewable energy and decarbonisation. Its activities include energy planning for territories, electric mobility, industrial energy efficiency and the planning of building services systems.
Alfred Aubort S.A.
Since 1969 · 1–10 empl.4.2(37)
Alfred Aubort S.A. is part of the ista Group and reads and maintains water and heat meters. It also provides building energy measurement and heating and water cost billing services.
Impact Living Sàrl
Since 2016 · 11–20 empl.4.5(8)
Impact Living Sàrl advises on and manages the energy and environmental transition of houses, buildings and neighbourhoods. Its services include architecture and engineering, with support ranging from energy and building assessments to project planning, permits, construction management and implementation.
ID GO Management SA
Since 2006 · 21–50 empl.4.6(7)
ID GO Management SA supports property owners with energy-related building renovations and manages projects from initial analysis through implementation. Its services include client-side project management, construction economics, site supervision, engineering and architecture, as well as energy-efficiency assessments and maintenance.
batismart SA
Since 2016 · 1–10 empl.4.7(7)
batismart SA is an engineering firm specialising in building energy performance and safety. Its services include energy certificates and audits, thermal assessments and energy documentation, building certification support and fire-safety concepts, as well as grant administration and client-side project assistance.
CSUISSE Sàrl
Since 2022 · 11–20 empl.4.6(20)
CSUISSE Sàrl is a building services engineering firm. It plans and designs electrical, heating, ventilation and sanitary systems, and provides tendering, construction supervision, commissioning and energy assessments, including CECB and Minergie services.
Batibilan Sàrl
Since 2024 · 1–10 empl.5.0(27)
Batibilan Sàrl is an energy-efficiency and building-engineering consultancy. Its services include energy audits and building energy certificates, advice on heating, ventilation, air conditioning and photovoltaics, and support for construction and renovation projects.
Louis Bally et fils S.A.
Since 1959 · 1–10 empl.4.0(8)
Louis Bally et fils S.A. is an electrical installation company serving private and business customers. Its services include the planning and installation of electrical systems, lighting, telecommunications and building automation, as well as repairs, energy consulting, solar photovoltaic systems and battery storage.
Artec-Rénovation Sàrl
Since 2016 · 1–10 empl.5.0(8)
Artec-Rénovation Sàrl plans and carries out renovations and conversions of apartments, houses and other properties. It coordinates the work and provides energy assessments using the CECB® Plus certificate, with recommendations for improvements.
GOWatt sàrl
Since 2023 · 1–10 empl.5.0(16)
GOWatt sàrl designs and installs photovoltaic systems for residential and business customers. Its services include energy assessments, battery storage, electric-vehicle charging stations, maintenance and repairs.
Bally Énergie Sàrl
Since 2024 · 1–10 empl.5.0(20)
Bally Énergie Sàrl provides energy consulting and related services. Its activities include planning and installing photovoltaic systems and battery storage, energy monitoring and optimisation, support for collective self-consumption schemes, and maintenance and repairs.
Société Energétique de la Vallée de Joux SA (SEVJ)
Since 1988 · 51–100 empl.3.4(15)
Société Energétique de la Vallée de Joux SA produces, develops, supplies and distributes energy and provides related services. Its activities include operating the electricity network, photovoltaic and charging solutions, and internet, telephone and television services.
OptimalGo SA
Since 1945 · 1–10 empl.
OptimalGo SA designs and implements integrated energy systems for local electricity generation and storage. Its solutions include photovoltaic panels and storage using supercapacitors and hydrogen for homes and businesses.
FIREXCO SA
Since 1970 · 1–10 empl.
Weinmann Energies S.A.
Since 1990 · 21–50 empl.5.0(1)
Weinmann Energies S.A. is an independent engineering consultancy specialising in building services, energy and sustainability. It plans heating, ventilation, air-conditioning, sanitary and control systems, and provides energy consulting, building physics, energy optimisation and support for the digitalisation of construction projects.
R. Monnet & Cie SA
Since 1994 · 11–20 empl.
R. Monnet & Cie SA provides electrical installation and telecommunications services. Its activities include consulting, planning, installation and maintenance for electrical systems, building automation and electric mobility.
Bourgeois Ing. Consulting
Since 1994 · 1–10 empl.
Bourgeois Ing. Consulting is an engineering consultancy focused on renewable energy and electric mobility. It advises businesses, public authorities and individuals on energy matters, building efficiency, self-consumption and energy audits.
Jean-Jacques Turrian SA
Since 2000 · 1–10 empl.
Jean-Jacques Turrian SA provides energy advice for buildings and prepares energy audits and energy assessments for new construction and renovation projects. Its services also include building energy certificates, thermal-bridge calculations and hydraulic balancing.
E4tech S.àr.l.
Since 2001 · 1–10 empl.
Dadi & Dunkel Energy Sàrl
Since 2002 · 11–20 empl.
Dadi & Dunkel Energy Sàrl is an engineering consultancy in the energy sector. Its services include energy consulting, building energy assessments and optimization, and the planning of heating, ventilation, air-conditioning and solar systems.
carbonbreak, Yvan Bucciol
Since 2006 · 1–10 empl.
carbonbreak, Yvan Bucciol provides consulting on energy and climate matters. Its services include risk management and support for project owners in an assistant-to-the-client role.
Holdibat SA
Since 2006 · 1–10 empl.
Holdibat SA manages building-services projects as a general contractor in heating, ventilation, air conditioning, plumbing and solar energy. It also coordinates energy-efficient building renovations and supports municipalities with energy planning.
Association ECOBUILDING
Since 2008 · 1–10 empl.
Association ECOBUILDING is a network of building-sector specialists focused on energy-efficient renovation. It informs, advises and supports property owners with renovation projects through information sessions, workshops and individual guidance.
Ferrini Engineering Sàrl
Since 2011 · 1–10 empl.
Ferrini Engineering Sàrl is an engineering firm for energy and building services. It plans and oversees building systems and provides services in heating, ventilation, plumbing, building simulation and energy consulting.
EFFICIENCE, Energie et Habitat Sàrl
Since 2012 · 1–10 empl.
EFFICIENCE, Energie et Habitat Sàrl is an engineering firm specialising in energy and building systems. Its services include energy-efficiency advice, building-renovation assessments, heating and building-services engineering, thermal calculations, energy audits and consumption monitoring.
Olonor ingénierie Sàrl
Since 2013 · 1–10 empl.
Olonor ingénierie Sàrl provides consulting and diagnostic services focused on the energy and environmental performance of buildings. Its services include thermal assessments, CECB and CECB Plus energy certificates, asbestos and other building-pollutant diagnostics, and environmental assessments with recommendations for improvement.
Aube-N Sàrl
Since 2013 · 1–10 empl.
Aube-N Sàrl advises on energy efficiency, cleantech and resource optimisation in the building sector. Its services include thermal and building-physics calculations, energy audits, CECB and Minergie certifications, and support with renovations and subsidy applications.
Eco-Soluce Sàrl
Since 2013 · 1–10 empl.
Eco-Soluce Sàrl is a technical and thermal building consultancy focused on energy efficiency and renewable energy. It provides building energy assessments and energy concepts, manages energy-efficiency renovations, and services photovoltaic systems.
Ingénierie CVC Sàrl
Since 2014 · 1–10 empl.
Ingénierie CVC Sàrl provides studies, consulting and planning for heating, cooling, ventilation and air-conditioning systems. Its services also include energy audits, building-physics advice, thermal assessments and analysis of photovoltaic and battery-storage solutions.
Effin'Art Sàrl
Since 2014 · 11–20 empl.
Effin'Art Sàrl is a consulting and engineering firm specialising in energy and building services. Its work includes energy concepts, building systems and energy production, building physics and thermal simulations, and energy optimisation for buildings and industrial processes.
ECHO-système, Jérôme Bouglé
Since 2014 · 1–10 empl.
ECHO-système, Jérôme Bouglé provides building energy assessments and advice on the long-term management of real estate portfolios. Its services include estimating energy consumption and potential savings, as well as building diagnostics to inform property management.
SOFTHERM Chauffage concept Alain Geneyne
Since 2014 · 1–10 empl.
SOFTHERM Chauffage concept Alain Geneyne is a technical office specialising in heating. It provides consultancy, trading, installation and maintenance services in the field of renewable energy.
Yersin Energie Sàrl
Since 2014 · 1–10 empl.
Yersin Energie Sàrl provides solar energy services. Its activities include planning and installing solar systems, maintenance and repairs, energy consulting, feasibility assessments and battery storage solutions.
Gartenmann Engineering AG
Since 2014 · 51–100 empl.
Gartenmann Engineering AG is an independent engineering and consulting company for building projects. Its areas of expertise include sustainability, acoustics, building physics, energy, pollutant analysis and fire protection, with services such as energy concepts, measurements and expert reports.
ECODIAG SA
Since 2015 · 1–10 empl.
ECODIAG SA is an independent consultancy and diagnostic firm specialising in building pollutants, energy and health and safety. Its services include assessments for asbestos, lead, radon and other pollutants, energy certificates, site inspections and technical project management.
Enpleo Sàrl
Since 2015 · 1–10 empl.
Enpleo Sàrl is a building physics and energy-planning consultancy for the construction sector. Its services include energy audits, thermal simulations, building energy concepts, and advice on the environmental aspects of construction projects.
FOCUS-E Sàrl
Since 2016 · 1–10 empl.
FOCUS-E Sàrl is an energy consultancy. Its services include local and regional energy concepts, feasibility studies for district heating and energy exchange between buildings, plans for replacing fossil fuels with renewable energy, and support for municipal energy policy and research and development projects.
1040 Chauffage Sàrl
Since 2017 · 1–10 empl.
1040 Chauffage Sàrl installs, maintains and repairs heating systems. Its services include gas, oil, wood and renewable-energy heating, heat pumps, and work on water heaters, radiators and heating circuits.
BeeNova SA
Since 2017 · 1–10 empl.
Olivier Zahn & Associés Sàrl
Since 2017 · 1–10 empl.
Olivier Zahn & Associés Sàrl is an engineering firm specializing in heating, ventilation, air conditioning and building physics. Its services include system design and refurbishment, energy efficiency and renewable energy advice, and measurements and expert assessments of existing installations.
Meyer Conseils & Constructions Sàrl
Since 2017 · 1–10 empl.
Meyer Conseils & Constructions Sàrl provides consulting in construction, energy and fire safety. Its services include energy concepts, thermal calculations and building energy assessments, support with Minergie certifications and grant applications, and the preparation of fire safety concepts and plans.
HKG Engineering AG succursale Crissier
Since 2018 · 1–10 empl.
HKG Engineering AG succursale Crissier is an engineering and consulting business focused on electrical engineering, building technology and energy consulting. Its services also cover building automation and IT, security, digitalisation and the overall planning of electrical systems.
Energy consulting in the Canton of Vaud
Energy consulting in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
Energy consulting in other places
By canton