Energy consulting in the
Canton of Bern

198 companies in Energy consulting based in the Canton of Bern — name and year of registration from the commercial register.

Companies

50 of 198 companies

EnergyOptimizer AG Logo

EnergyOptimizer AG

Since 2008 · 21–50 empl.4.3(28)

EnergyOptimizer AG develops and implements solutions for efficient renewable energy supply and integrated energy management. Its services include energy consulting, photovoltaic system planning and installation, self-consumption optimization, energy management systems, maintenance, servicing and sales.

Energy consultingPhotovoltaic systemSelf-consumption optimizationEnergy management system
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
fux & sarbach ENGINEERING AG Logo

fux & sarbach ENGINEERING AG

Since 2013 · 21–50 empl.5.0(13)

fux & sarbach ENGINEERING AG is an electrical engineering consultancy providing independent electrical planning and advice. Its services include building information modeling, photovoltaics, e-mobility and lighting design, energy-efficiency consulting, safety inspections, condition assessments and expert reports.

Electrical design engineerElectrical planningBuilding Information Modeling (BIM)Alternative energy and photovoltaics
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
electro bart AG Logo

electro bart AG

Since 2019 · 1–10 empl.5.0(43)

electro bart AG is an electrical contractor for electrical and communication systems in residential, commercial and industrial buildings. Its services include maintenance and repairs, energy consultancy and network analyses, as well as planning and implementation of photovoltaic systems.

ElectricianElectrical and communication systemsService and maintenanceEnergy consulting and grid analyses
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
Bachmann Lyss AG Logo

Bachmann Lyss AG

Since 1988 · 21–50 empl.4.9(16)

Bachmann Lyss AG carries out plumbing and heating work, including bathroom renovations, repairs, boiler descaling and heating-system replacements. Its services also include energy consultations, energy reports, and GEAK and GEAK Plus building energy certificates.

Heating installerSanitary ServicesBathroom RenovationSanitary Supply Shop
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
Häusler Ingenieure AG Logo

Häusler Ingenieure AG

Since 1992 · 21–50 empl.5.0(7)

Häusler Ingenieure AG is an engineering consultancy for building services, providing advice, concepts and planning. Its services cover heating, ventilation, air conditioning, cooling and plumbing, as well as energy concepts, energy consulting and optimisation, BIM planning and photovoltaics.

Building services engineerBuilding services planningEnergy consultingGEAK and GEAK Plus
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #5
merz farben AG Moosseedorf Logo

merz farben AG Moosseedorf

Since 2020 · 21–50 empl.4.7(23)

merz farben AG Moosseedorf is a painting contractor and part of the merz group. Its painting services include interior and exterior painting, decorative paint finishes, wallpapering, wood protection and spray painting.

RenovationRealisationGEAKProject planning
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #6
RESiQ AG Logo

RESiQ AG

Since 2011 · 11–20 empl.4.6(11)

RESiQ AG develops and implements energy solutions for buildings and installations. Its services include planning and installing photovoltaic systems, providing storage solutions and EV charging infrastructure, building technology, and energy consulting for new construction and renovation.

Energy consultingPhotovoltaic systemsEnergy consultingDesign of PV and energy solutions
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #7
elektroplan Buchs & Grossen AG Logo

elektroplan Buchs & Grossen AG

Since 1994 · 21–50 empl.4.1(19)

The company Smart Energy Link AG is a service provider in the field of energy efficiency and building technology. The core activities include: planning and implementation of energy-efficient solutions for buildings, including photovoltaic systems and intelligent energy management systems; electrical planning and installation; energy consulting and optimization; building automation and monitoring; and IT solutions for businesses, including network systems, cloud and server solutions, video surveillance and 3D modeling. The company thus offers a combination of energy efficiency solutions, electrical engineering and IT services.

Electrical design engineerElectrical planningEnergy consulting & GEAKPhotovoltaic systems
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #8
MBJ Bauphysik + Akustik AG Logo

MBJ Bauphysik + Akustik AG

Since 1996 · 11–20 empl.5.0(4)

MBJ Bauphysik + Akustik AG is an engineering consultancy for building physics and building acoustics. Its services include advice and planning for energy efficiency, thermal, moisture and sound protection, and building technology, as well as expert assessments of building damage.

EngineerEnergy, MinergieSound protectionConstruction consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #9
Kaminfegergeschäft Lanz AG Logo

Kaminfegergeschäft Lanz AG

Since 2008 · 11–20 empl.4.4(15)

Kaminfegergeschäft Lanz AG provides chimney sweeping, maintenance and official combustion-system inspections for wood, oil and gas heating systems. Its services also include energy advice and cantonal building energy certificates (GEAK).

Chimney sweepChimney sweeping workMaintenance and service workCombustion inspection
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #10
WälchliPlan GmbH Logo

WälchliPlan GmbH

Since 2024 · 1–10 empl.5.0(29)

WälchliPlan GmbH is a planning and consultancy firm specialising in building physics, fire safety and architecture. Its services include construction and project management, energy consulting, technical assessments, building analysis, training and project support.

ArchitectBuilding physicsFire protectionArchitecture & project development
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #11
Weber Haustechnik GmbH Logo

Weber Haustechnik GmbH

Since 2008 · 1–10 empl.5.0(5)

Weber Haustechnik GmbH plans, installs and maintains plumbing and heating systems. Its services include heating-system renovations, repairs, maintenance, energy advice and renewable heating solutions.

Heating installerPlumbingHeatingHeating system refurbishment
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
ENERCONOM AG Logo

ENERCONOM AG

Since 1983 · 51–100 empl.4.8(5)

ENERCONOM AG is an independent engineering firm specialising in energy and building services. It provides consulting and plans heating, ventilation, cooling, plumbing, sprinkler and electrical systems, as well as building automation, and offers services including energy concepts, measurement technology, BIM planning, fire protection and safety.

Building services engineerHLKSE / BA planningConcept / ConsultingFire protection / Safety
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Strahm AG Umwelt- und Energietechnik Logo

Strahm AG Umwelt- und Energietechnik

Since 1989 · 11–20 empl.5.0(2)

Strahm AG Umwelt- und Energietechnik is an engineering and planning firm specialising in building services, environmental technology and energy technology. It plans heating, cooling, ventilation and air-conditioning systems and advises on projects from initial planning through implementation.

Building services engineerBuilding services designHeating system designRefrigeration system design
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Müller + Hänni AG Logo

Müller + Hänni AG

Since 1993 · 11–20 empl.3.8(11)

Müller + Hänni AG plans and installs plumbing systems and heating systems. Its services also include bathroom renovations, repairs and maintenance, as well as energy advice and planning for energy-efficient renovations.

Heating installerHeating refurbishments and heating systemsPlumbing installations and bathroom renovationsEnergy consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Gebr. Müller AG, Bern Logo

Gebr. Müller AG, Bern

Since 1941 · 1–10 empl.4.8(5)

Gebr. Müller AG, Bern is a metalworking and craft business. It offers workshop services and services related to photovoltaic systems, as well as structured day programmes and supported-living services for people who need support with work or independent living.

MetalworkMetal fabricationSolar expertiseEvent space «Weyerli»
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Allotherm AG Logo

Allotherm AG

Since 1986 · 51–100 empl.3.8(8)

Allotherm AG plans, sells, installs and maintains environmentally friendly heating systems. Its services include wood-fired heating, heat pumps, district heating and heating networks, as well as energy planning and technical support.

Heating installerWood heating systemsHeat pumpDistrict heating network
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Iso-Bau AG, Bern Logo

Iso-Bau AG, Bern

Since 1978 · 11–20 empl.

Iso-Bau AG, Bern plans and carries out building energy-efficiency projects, facade construction and insulation work. Its services include energy consulting, comprehensive renovations, and facade inspection and maintenance.

Facade constructionEnergy-efficient building optimisationFaçade construction and building insulationRendered external wall insulation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
IBE Institut Bau und Energie AG Logo

IBE Institut Bau und Energie AG

Since 1978 · 11–20 empl.

IBE Institut Bau und Energie AG provides consulting and planning services in real estate management, energy and sustainability, BIM, building services engineering, building physics and fire protection. It supports construction projects and properties from planning and implementation through operation.

Building services engineerReal Estate ManagementEnergy and SustainabilityBuilding Services Engineering & Technical General Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
Caloraqua AG Logo

Caloraqua AG

Since 1979 · 11–20 empl.

Caloraqua AG is a planning and engineering firm specialising in building services, including heating, ventilation, air conditioning and plumbing. Its services include building-services planning and coordination, energy concepts and advice, operational optimisation and project management.

Building services engineerEnergy and building servicesHVAC/S specialist planningCoordination and project management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Gartenmann Engineering AG Logo

Gartenmann Engineering AG

Since 1986 · 51–100 empl.5.0(1)

Gartenmann Engineering AG is an engineering and consulting company serving construction projects. Its areas of work include building physics, acoustics, energy and sustainability, as well as pollutant analysis and fire protection.

EngineerBuilding physicsAcoustics and noise protectionEnergy consulting and energy concepts
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
Berger Wärmetechnik AG Logo

Berger Wärmetechnik AG

Since 1988 · 1–10 empl.

Berger Wärmetechnik AG is an engineering consultancy for building and energy systems, specialising in heating and ventilation planning. Its services include energy advice, the design of heating and ventilation systems, solar technology, energy assessments, system analyses and economic calculations.

Building services engineerEnergy consultingPlanning of thermal systemsPlanning of air-technical systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
Genossenschaft Solarkraftwerk Wohlen Logo

Genossenschaft Solarkraftwerk Wohlen

Since 1991 · 1–10 empl.

Genossenschaft Solarkraftwerk Wohlen works to support a regional, renewable and carbon-free energy supply. The cooperative operates photovoltaic installations and offers solar electricity, supports district heating networks, and provides advice on topics including rooftop energy, heating replacement and electric mobility.

Energy consultingSolar energyDistrict heating networksSelf-consumption aggregation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
Energie plus! Vereinigung zur Förderung umweltfreundlicher Energien Logo

Energie plus! Vereinigung zur Förderung umweltfreundlicher Energien

Since 1992 · 11–20 empl.

Energie plus! Vereinigung zur Förderung umweltfreundlicher Energien promotes the environmentally friendly procurement, distribution and use of renewable energy. The association acquires and operates, or invests in, small hydropower plants, shared solar installations, wind farms and other environmentally friendly energy facilities, feeding the energy produced into the public grid.

Energy consultingPromotion and operation of renewable energy installationsEnergy advisory office EmmentalElectricity from here
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
IEM Ingenieurbüro für Energie- und Messtechnik AG Logo

IEM Ingenieurbüro für Energie- und Messtechnik AG

Since 1994 · 11–20 empl.

IEM Ingenieurbüro für Energie- und Messtechnik AG plans heating, ventilation, air conditioning and plumbing systems, as well as energy and renovation concepts. Its services also include building operation optimisation, dynamic building simulations and measurement services.

Building services engineerBuilding services designElectrical and building automation designEnergy and refurbishment concepts
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
ingenieurzentrum riederer & partner gmbh Logo

ingenieurzentrum riederer & partner gmbh

Since 1995 · 1–10 empl.

ingenieurzentrum riederer & partner gmbh is a building services engineering firm working in heating, ventilation, air conditioning and refrigeration. Its services include consultancy, energy and refurbishment concepts, project planning, construction supervision, and the assessment and optimisation of technical systems.

Building services engineerConsultingPlanningInspections and operating optimisations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
NBG Ingenieure AG Logo

NBG Ingenieure AG

Since 1995 · 21–50 empl.

NBG Ingenieure AG is an engineering consultancy for energy and building services. It develops energy and sustainability concepts, plans heating, ventilation, air conditioning and plumbing systems for new buildings and renovations, and provides building analyses, fire protection and building automation planning, and construction supervision.

Building services engineerBuilding services designSpecialist site supervision and coordinationEnergy consulting and energy concepts
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Weiss + Kaltenrieder AG Logo

Weiss + Kaltenrieder AG

Since 1997 · 1–10 empl.

Weiss + Kaltenrieder AG is an architecture practice that plans new buildings and renovations for residential and work use, and supports projects through all stages of design and realization. Its activities also include energy consulting and building energy certificates.

ArchitectDesign and Construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
planundwerk gmbh Logo

planundwerk gmbh

Since 2006 · 1–10 empl.

planundwerk gmbh works in the fields of energy and building. Its activities include energy certificates, and it provides information on energy efficiency, funding programmes and building regulations.

ArchitectEnergy performance certificatesAdvice on energy funding programmesScope of activity in the energy sector
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Weber Energie und Bauphysik AG Logo

Weber Energie und Bauphysik AG

Since 2007 · 11–20 empl.

Weber Energie und Bauphysik AG is an engineering consultancy specialising in energy, building physics and sustainable construction. Its services include advice and planning for thermal, moisture and sound insulation, noise assessments, building energy certifications, life-cycle assessments and radon measurements.

Civil engineerBuilding physicsSound protectionSustainable construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
kWIQly GmbH Logo

kWIQly GmbH

Since 2008 · 1–10 empl.

kWIQly GmbH provides AI-powered energy analytics for buildings and multi-site portfolios. Its platform uses existing meter data to identify and prioritise excessive energy consumption and recommend actionable measures.

Energy consultingAI-powered energy analytics toolFree technical assessment programme
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
Architektur Atelier Adrian Christen Logo

Architektur Atelier Adrian Christen

Since 2008 · 1–10 empl.

Architektur Atelier Adrian Christen is an architecture practice specialising in energy-efficient building renovations and healthy living environments. Its projects address energy conservation, ecology and building biology, and the practice advises clients on funding programmes.

ArchitectArchitectural and renovation planningBuilding-biology and ecological architectural consultingMinergie and GEAK consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Consaba GmbH Logo

Consaba GmbH

Since 2009 · 1–10 empl.

Consaba GmbH advises municipalities, companies and organisations on energy, environmental matters and sustainable development. Its services include energy planning and management, advice on waste, landfills and wastewater, and the development of strategies and action plans.

Energy consultingEnergy consulting and energy managementEnvironmental consulting and waste managementAdvisory on sustainable development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
SUNGY AG Logo

SUNGY AG

Since 2010 · 1–10 empl.

SUNGY AG plans and implements photovoltaic systems and battery storage, offering consulting, economic feasibility assessments and self-consumption optimisation. Its other activities include electric mobility, including vehicle conversions, and heat generation.

Heating installerPhotovoltaicsBattery storageE-mobility
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
GVB Services AG Logo

GVB Services AG

Since 2010 · 11–20 empl.

GVB Services AG provides services for homeowners. These include digital tools for renovation planning, energy use and property maintenance, as well as information on construction, finance, law, living and gardening.

Energy consultingDigital Home DossierRenovation PlanningSolar Advice and Solar Calculator
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
SYNTAS Solutions AG Logo

SYNTAS Solutions AG

Since 2011 · 11–20 empl.

SYNTAS Solutions AG provides consultancy in spatial planning and building procedures, supporting municipalities and private clients with planning processes. Its services also include environmental and energy planning, project development and project management.

Energy consultingSpatial planningConstruction proceduresEnvironment and energy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
oeko-arch GmbH Logo

oeko-arch GmbH

Since 2011 · 1–10 empl.

oeko-arch GmbH is an architecture and building biology practice working on energy-efficient construction and the energy renovation of buildings. Its projects include new residential buildings, conversions and solar roofs.

ArchitectArchitectureBuilding biologyEnergy efficiency
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
mikkablue engineering GmbH Logo

mikkablue engineering GmbH

Since 2012 · 1–10 empl.

mikkablue engineering GmbH provides engineering and consulting services in energy and building technology. Its work includes data analysis, energy efficiency assessments, specialist planning and coordination of building systems, as well as energy accounting and operating-cost billing.

Building services engineerEngineeringEnergy efficiency
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
INES Energieplanung GmbH Logo

INES Energieplanung GmbH

Since 2012 · 1–10 empl.

INES Energieplanung GmbH is an independent engineering consultancy specialising in sustainable energy systems and energy efficiency in buildings. It advises on and plans heating replacements using renewable energy, district heating networks and site-wide energy solutions, and supports projects from analysis through implementation.

EngineerHeating system replacementDistrict heating projectsSuccessor solutions for heat contracting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Unicum AG Logo

Unicum AG

Since 2013 · 11–20 empl.

Unicum AG plans and builds sustainable plus-energy houses and provides consultancy in architecture, energy and building services. Its projects integrate renewable energy and energy-efficient building technology.

ArchitectSustainable integrated solutionsPlus-energy houses (Minergie A)Residential developments / housing projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
Energieimpuls GmbH Logo

Energieimpuls GmbH

Since 2013 · 1–10 empl.

Energieimpuls GmbH plans building services for heating, ventilation, air conditioning, cooling, plumbing, electrical systems and photovoltaics. Its services include coordination, project planning and specialist construction supervision, as well as energy advice and support with energy certificates, GEAK, Minergie, subsidies and building renovations.

Building services engineerBuilding services engineering planningEnergy consulting and energy documentationGEAK consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
aaac gmbh architektur atelier adrian christen Logo

aaac gmbh architektur atelier adrian christen

Since 2014 · 1–10 empl.

aaac gmbh architektur atelier adrian christen is an architecture practice specialising in energy-efficient renovations and healthy living. Its work includes planning and carrying out building renovations, conversions and plus-energy projects.

ArchitectArchitectural and renovation planningEnergy-efficient renovationBuilding-biology consultation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
Degen Transform Plan GmbH Logo

Degen Transform Plan GmbH

Since 2014 · 1–10 empl.

Degen Transform Plan GmbH plans energy-related building renovations and provides independent GEAK Plus advice. Its reports assess a building’s energy efficiency and compare renovation options, including estimated costs, subsidies and potential savings.

Energy consultingRenovation Advisory with GEAK PlusBuilding Energy Certificate (GEAK)Energy Renovation Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Bau N GmbH Logo

Bau N GmbH

Since 2014 · 1–10 empl.

Bau N GmbH advises on sustainable building and the energy-efficient renovation of buildings. Its services include building energy assessments, energy compliance documentation, support with subsidy applications, and construction project supervision from planning through final inspection.

Construction managerConsulting for sustainable constructionGEAK and GEAK Plus
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
Sun Network AG Logo

Sun Network AG

Since 2015 · 1–10 empl.

Sun Network AG provides consulting and planning for reducing electricity costs and using renewable energy. Its services include energy needs assessment, self-consumption optimisation, electricity procurement, and specialist planning, tendering and project supervision for photovoltaic systems.

Energy consultingEnergy consultingSelf-consumption optimizationPeak Shaving
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
Zaugg Architektur AG Logo

Zaugg Architektur AG

Since 2015 · 11–20 empl.

Zaugg Architektur AG is an architectural practice that plans and manages architecture and construction projects. Its services include construction management, fire protection, energy consulting, real estate advisory and digital building and site surveys, with a focus on building within existing structures and energy efficiency.

Fire protectionArchitectureFire protectionEnergy consulting and energy concepts
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Energon Planung AG Logo

Energon Planung AG

Since 2015 · 1–10 empl.

Energon Planung AG provides planning and consulting services in building and energy technology. Its work covers heating, plumbing, ventilation, air conditioning and cooling, as well as energy concepts, project planning, construction supervision and the optimisation of existing systems.

Building services engineerBuilding Services Engineering PlanningEnergy Consulting and Energy ConceptsConstruction Management for Building Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
Levare AG Logo

Levare AG

Since 2015 · 1–10 empl.

Levare AG provides project coaching, strategic business consulting and business engineering for SMEs, and supports companies through transformation processes. Its services also include advice on energy and resource efficiency, building technology and infrastructure, as well as technical project management.

Management consultantStrategic business consultingProject coachingSupport for transformation processes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
Denis Juillard Ingénieur HES Sàrl Logo

Denis Juillard Ingénieur HES Sàrl

Since 2015 · 1–10 empl.

Denis Juillard Ingénieur HES Sàrl is an engineering consultancy for sustainable construction projects and energy technologies. Its services include advice and project management for reducing energy consumption and improving efficiency, construction supervision, consultancy on renewable energy, and training.

EngineerRenewable engineering consultingStudies and simulations for solar technologiesHeating solutions with heat pumps
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
InfraBlow.Siegrist GmbH Logo

InfraBlow.Siegrist GmbH

Since 2016 · 1–10 empl.

InfraBlow.Siegrist GmbH is a building physics consultancy offering services in thermal and acoustic insulation, energy advice and building energy certificates. It carries out infrared thermography to analyse heat loss and thermal bridges, and blower-door tests to assess the airtightness of building envelopes.

EngineerBuilding Physics & GEAKBlower-DoorInfrared Thermography
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Energy consulting in the Canton of Bern

198Energy consultingCommercial register (Zefix) · as of November 15, 2026
2017Median year of registrationCommercial register (Zefix) · as of November 15, 2026
198in the Canton of BernCommercial register (Zefix) · as of November 15, 2026
2,206in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Energy consulting in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026