Energy consulting in the
Canton of Geneva

BETELEC SA ingénieurs-conseils en électricité, succursale de Plan-les-Ouates

Since 2006 · 11–20 empl.

BETELEC SA ingénieurs-conseils en électricité, succursale de Plan-les-Ouates provides electrical engineering consultancy. Its services cover the planning and delivery of projects involving electrical installations, energy and building safety, as well as BIM and energy consulting.

Eco-Building Concept Sàrl

Since 2007 · 1–10 empl.

Eco-Building Concept Sàrl is an engineering consultancy specialising in building energy performance and heating, ventilation and air-conditioning systems. It supports new-build and renovation projects and provides services including energy audits, building energy assessments and energy optimisation.

atba SA

Since 2008 · 21–50 empl.

atba SA is an architecture and building-energy engineering practice. It plans new buildings, renovations and conversions, and provides consulting and engineering services for building systems, energy efficiency and renewable energy.

Signa-Terre SA

Since 2008 · 21–50 empl.

Signa-Terre SA supports property owners and real estate professionals in managing buildings sustainably. Its services include energy and CO₂ monitoring, digitisation of technical building data, and advice and planning for energy-efficient renovations.

Ad Terra Consultancy SA

Since 2010 · 21–50 empl.

Ad Terra Consultancy SA is an energy consultancy providing technical, commercial and strategic support to the energy sector. Its services include asset management, data fusion and AI-based analysis, with expertise spanning oil and gas, renewable energy, energy storage, carbon capture and storage, and critical raw materials.

BED'In Sàrl

Since 2011 · 1–10 empl.

BED'In Sàrl is an independent consultancy specialising in building energy and building physics. It develops solutions for renovation and construction projects and provides expertise and training on sustainable building and energy solutions.

Banergie.com SA

Since 2011 · 1–10 empl.

Banergie.com SA is an engineering consultancy specialising in energy planning and advice for new buildings and renovations. It prepares energy documentation and CECB/CECB+ certificates, assists with grant applications, and offers services including thermography, moisture analysis and the import of wood-aluminium windows.

REAGIR SA

Since 2011 · 1–10 empl.

REAGIR SA is an engineering firm specialising in building physics and sustainable construction. It carries out thermal studies and energy assessments, evaluates building energy performance, and advises on sustainable energy renovations.

DG Expertise SA

Since 2015 · 1–10 empl.

DG Expertise SA provides building-pollutant assessments for asbestos, lead, PCBs, PAHs and HBCD. Its services also include construction-site monitoring and air measurements, CECB energy certificates, and support with construction-waste management.

Energimmo Services SA

Since 2016 · 1–10 empl.

Energimmo Services SA helps property owners and managers optimise energy use and operating costs across their buildings. Its services include aggregated energy purchasing, consumption monitoring and audits, energy management, and solutions for private electricity networks and photovoltaic production.

CC-Climatherm Sàrl

Since 2016 · 1–10 empl.

CC-Climatherm Sàrl plans and delivers heating, ventilation and air-conditioning systems, as well as solar thermal and photovoltaic installations. It also provides consulting, building energy optimisation, and services for control and building automation systems.

E-nno Switzerland SA

Since 2017 · 11–20 empl.

E-nno Switzerland SA develops solutions to monitor and improve the energy efficiency of buildings. It collects and analyses building data, supports energy-efficiency measures and provides reports assessing energy savings.

W&W, Waste&Watt Sàrl

Since 2018 · 1–10 empl.

W&W, Waste&Watt Sàrl helps businesses, municipalities and property owners reduce energy consumption and improve environmental performance. Its services include energy audits, planning and implementation of energy-saving measures, waste management support and assistance with energy-efficient building renovations.

Caeli ingénierie SA

Since 2019 · 21–50 empl.

Caeli ingénierie SA is a multidisciplinary engineering consultancy for building services. It plans and coordinates heating, ventilation, air conditioning, plumbing, electrical and building automation systems, and provides building physics, energy consulting and construction supervision services.

Swissroc Energy SA

Since 2023 · 1–10 empl.

Swissroc Energy SA develops, finances, builds and operates energy infrastructure for real estate projects. It designs energy concepts and provides property owners with solutions for renewable energy supply.

i-NEEA Sàrl

Since 2024 · 1–10 empl.·5.0(23)

i-NEEA Sàrl provides energy-efficiency and environmental services for buildings and businesses. Its work includes energy audits, building energy certifications such as CECB and CECB+, renovation and renewable-energy advice, and coordination of renovation projects.

NOVACITY SA

Since 2017 · 11–20 empl.·4.1(14)

NOVACITY SA provides hazardous-material diagnostics and energy assessments for existing buildings, as well as real estate consultancy. Its services include analysis of asbestos, lead, PCBs, PAHs and HBCDs, energy audits, and the planning and coordination of renovation and transformation projects.

K. Wintsch et Cie SA

Since 1990 · 11–20 empl.·5.0(2)

K. Wintsch et Cie SA is an engineering and consulting firm specialising in energy and building systems for sustainable construction. Its services include planning heating, ventilation, air-conditioning and refrigeration systems, building automation, BIM modelling, energy audits, and project planning and management.

PIC Energies SA

Since 2002 · 11–20 empl.·5.0(1)

PIC Energies SA is an engineering consultancy specialising in heating, ventilation, air conditioning, plumbing and building automation. It plans and supports new-build and renovation projects, and provides energy audits, building energy concepts, thermal simulations and technical advisory services.

ProSwissEnergy SA

Since 2021 · 1–10 empl.

ProSwissEnergy SA is an energy engineering and technical installation company focused on renewable energy and building systems. It plans and installs photovoltaic systems, heat pumps, heating, air-conditioning and electrical systems, and supports projects from assessment and sizing through to commissioning.

ADS Swiss Group SA

Since 2021 · 1–10 empl.

ADS Swiss Group SA provides technical and environmental services for buildings. Its activities include energy assessments and optimisation, indoor air quality analysis, asbestos diagnostics, support with building permits, and digital solutions for the property sector.

Weinmann Energies S.A.

Since 2010 · 21–50 empl.·5.0(1)

Weinmann Energies S.A. is an independent engineering consultancy specialising in building services, energy and sustainability. It plans and optimises heating, ventilation, cooling, plumbing and control systems, and provides services in energy efficiency, building physics, sustainable construction and digitalisation.

Vision AMO Sàrl

Since 2023 · 1–10 empl.·5.0(12)

Vision AMO Sàrl supports property owners and other stakeholders in analysing, structuring and monitoring real estate projects. Its services include progress and budget reporting, decision support, and analyses and strategies for the energy renovation of buildings.

SG-ENERGIES SA

Since 1981 · 11–20 empl.·4.0(4)

SG-ENERGIES SA provides monitoring, maintenance and energy optimisation for heating systems and other building equipment. Its services also include energy consulting and building audits, measurements, and the planning and execution of heating-system and boiler-room renovations.

EcoBIM Sàrl

Since 2021 · 1–10 empl.

EcoBIM Sàrl is an engineering firm specialising in building energy and sustainable construction. It prepares SIA 380/1 thermal assessments, summer comfort analyses and carbon balances, and provides energy assessments and renovation planning for property portfolios.

Archiwatt Sàrl

Since 2012 · 11–20 empl.·5.0(1)

Archiwatt Sàrl is an architectural practice that plans low-energy buildings. It provides consultancy, studies and expert assessments in building thermal performance and physics, and works to improve the energy performance of the built environment.

3E Ingénieurs Sàrl

Since 2021 · 1–10 empl.

3E Ingénieurs Sàrl is an engineering consultancy working in energy, water and the environment. Its services include energy audits and building certificates, energy concepts for buildings, support for energy renovations, renovation strategies for property portfolios and territorial energy planning.

Energestion SA

Since 1981 · 11–20 empl.·5.0(2)

Energestion SA is an independent consulting and engineering firm specialising in heating, ventilation, air conditioning, controls and sanitary systems for industry and buildings. Its services include energy audits, energy concepts, and the planning and support of construction and renovation projects.

association terragir, énergie solidaire

Since 2004 · 11–20 empl.·5.0(1)

association terragir, énergie solidaire is a non-profit association that raises awareness, provides training and supports schools, local authorities, businesses and individuals in the ecological and energy transition. Its activities include educational programmes, energy advice for buildings, and training and facilitation for organisations.

Energy Plus Ingénieurs SA

Since 2013 · 1–10 empl.·5.0(2)

Energy Plus Ingénieurs SA is an engineering and consultancy firm specialising in building services, including heating, ventilation, plumbing and electrical systems. Its services include technical planning and coordination, BIM, energy audits, energy-efficiency optimisation and advice on renewable energy.

Zanetti Ingénieurs-Conseils

Since 1985 · 1–10 empl.·5.0(2)

Zanetti Ingénieurs-Conseils is an engineering consultancy working in electrical systems, lighting, energy, security and multimedia. Its services include project design and coordination, technical and energy audits, and the planning and implementation of installations and security systems.

Hestera SA

Since 2021 · 1–10 empl.·5.0(6)

Hestera SA advises property owners on energy efficiency and the sustainable management of building portfolios. Its services include energy assessments, recommendations for reducing consumption, support for energy-related renovations and monitoring of building energy use.

MM Consulting Switzerland Sàrl

Since 2022 · 1–10 empl.

MM Consulting Switzerland Sàrl develops and coordinates projects in renewable energy and infrastructure. Its services include project origination, due diligence and project management, with activities spanning photovoltaics, energy storage, data centers and PPA and ESCO solutions.

Muller Energies SA

Since 1999 · 11–20 empl.·2.9(43)

Muller Energies SA plans, installs and maintains heating, ventilation and air-conditioning systems. It also carries out technical studies and works, and optimises the operation and energy efficiency of these systems.

Wattimmo SA

Since 2023 · 1–10 empl.

Wattimmo SA plans and supports the financial and technical aspects of projects to improve buildings’ energy performance. It assesses energy production potential, prepares costed proposals and implements selected projects from design through completion.

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève

Since 1999 · 1–10 empl.·5.0(1)

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève is an engineering consultancy focused on improving the energy performance of buildings. Its activities include energy planning, building physics, renewable energy, energy-efficiency optimisation, applied research and science communication.

EQUADA SA, succursale de Genève

Since 2019 · 1–10 empl.·5.0(1)

EQUADA SA, succursale de Genève is an engineering consultancy specialising in building physics and technical systems for buildings and industrial facilities. Its services include energy assessments, the design of heating, ventilation, cooling and plumbing systems, solar installations, and project and operational support.

Energy Concept Sàrl

Since 2020 · 1–10 empl.·5.0(1)

Energy Concept Sàrl is an energy and building engineering company. Its services include energy audits, heating, ventilation and air-conditioning engineering, heat-pump and solar photovoltaic studies, and support with subsidies and project delivery.