Energy consulting in
Zurich

HTR AG Engineering und Consulting für Gebäudetechnik

Since 1999 · 21–50 empl.

HTR AG Engineering und Consulting für Gebäudetechnik plans heating, cooling, ventilation and sanitary systems, as well as fire protection solutions for buildings. Its services also include specialist coordination for building services and consulting on energy, the environment and sustainability.

EscherTec AG

Since 1999 · 1–10 empl.

EscherTec AG is an independent engineering and consulting company focused on energy generation and energy efficiency. Its services include the development, design and monitoring of steam and gas turbines, as well as diagnostic solutions for gas turbines and other turbomachinery. It also works on energy efficiency and renewable energy systems.

Energie-Agentur der Wirtschaft (EnAW)

Since 2001 · 51–100 empl.

Energie-Agentur der Wirtschaft (EnAW) is an association that supports companies in improving energy and resource efficiency. Its services include energy assessments, target agreements, and advice on decarbonisation and operational efficiency measures.

andreas birrer architekten AG

Since 2002 · 1–10 empl.

andreas birrer architekten AG is an architecture practice working on new buildings and renovations. Its activities include residential, educational and public buildings, offices and commercial spaces, retail design, energy consulting, client representation and project management.

NASKA GmbH

Since 2004 · 1–10 empl.

NASKA GmbH is a consultancy for sustainable development, focusing on sustainable construction, municipalities and real estate. Its services include strategy and energy consulting, support for building and property projects, and education and training.

Hobler Engineering GmbH

Since 2004 · 11–20 empl.

Hobler Engineering GmbH provides consulting, planning and coordination services in energy, environmental and building services engineering. Its activities include planning heating, ventilation, air conditioning, refrigeration and plumbing systems, as well as technical facility management.

TEP Energy GmbH

Since 2008 · 11–20 empl.

TEP Energy GmbH provides research and consulting services on energy and climate issues. It analyses buildings, cities and energy systems using engineering, economic, social and political science methods, and develops studies, models and tools for analysis, planning and implementation.

Energieplaner.ch GmbH

Since 2010 · 1–10 empl.

Energieplaner.ch GmbH provides architectural and energy-planning services. Its work includes strategic planning, project development, feasibility studies, energy assessments and building-services planning, as well as construction management and operational optimisation.

preluce ag

Since 2011 · 1–10 empl.

preluce ag provides lighting design and consultancy, developing lighting concepts for indoor and outdoor spaces. Its services include artificial and daylight planning, energy and lighting compliance assessments, and advice and support with funding applications.

Savenergy Consulting GmbH

Since 2012 · 1–10 empl.

Savenergy Consulting GmbH provides energy consulting and develops energy concepts to improve efficiency and use renewable energy. Its services include planning and support for solar systems, battery storage, electric-vehicle charging stations and autonomous lighting, from analysis through implementation.

POWERGIA GmbH

Since 2013 · 11–20 empl.

POWERGIA GmbH is an independent provider of electricity procurement services for businesses. Its services include procurement strategies, price monitoring, reporting and controlling, gas procurement, and energy-market price curves.

rao gmbh

Since 2015 · 1–10 empl.

rao gmbh is an architecture practice offering architectural services, planning and construction management. Its work focuses on renovations and energy retrofits, as well as new-build projects using ecological construction methods.

act Cleantech Solutions AG

Since 2015 · 21–50 empl.

act Cleantech Solutions AG supports businesses and public bodies in improving energy efficiency and reducing CO₂ emissions. Its services include target agreements, decarbonisation analyses and implementation support, as well as assistance to electricity suppliers in meeting energy-efficiency requirements.

Kuster + Partner AG

Since 2016 · 1–10 empl.

Kuster + Partner AG is an engineering and consulting firm specialising in building physics, acoustics, energy and fire protection. Its services include technical planning, simulations, measurements, expert assessments and life-cycle assessments for construction projects.

Anex Ingenieure AG

Since 2016 · 51–100 empl.

Anex Ingenieure AG is a consultancy and engineering firm specialising in building services. It develops energy and utility concepts for industrial processes, buildings and sites, and provides building services planning, client advisory, quality assurance, energy planning and overall project management.

Enastra AG

Since 2016 · 21–50 empl.

Enastra AG provides consulting services for energy efficiency and sustainability in buildings and sites. Its services include strategy and concept development, client representation and project management, quality assurance, energy monitoring and support with service-charge accounting.

Ampere Dynamic Schweiz GmbH

Since 2020 · 21–50 empl.

Ampere Dynamic Schweiz GmbH develops and implements energy solutions for industrial and commercial customers. Its services include planning and building photovoltaic systems, battery storage and electric-vehicle charging infrastructure, as well as energy consulting, project management, operation, maintenance and energy marketing.

Climatch AG

Since 2021 · 21–50 empl.

Climatch AG helps property owners decarbonise buildings and sites. Its services include assessing energy and renovation potential and supporting the planning, implementation and optimisation of solutions such as renewable heating and cooling, photovoltaics and e-mobility.

Huber Energietechnik AG

Since 2004 · 1–10 empl.·4.3(3)

Huber Energietechnik AG is an engineering and planning firm specialising in energy technology, geothermal energy, building physics, and heating and ventilation systems. Its services include energy consulting and operational optimisation, building and MINERGIE assessments, measurement and control engineering, as well as software and courses.

GTI Engineering AG Zürich

Since 2022 · 11–20 empl.

GTI Engineering AG Zürich is a building-services planning and consulting firm. It advises on energy and building concepts and plans heating, ventilation, air-conditioning, refrigeration, plumbing, electrical, building automation and photovoltaic systems; it also provides construction supervision and operational optimisation.

Haerter & Partner AG

Since 1991 · 21–50 empl.·5.0(4)

Haerter & Partner AG is a consulting engineering firm specialising in building services and energy supply. It plans and coordinates heating, ventilation, air-conditioning, cooling and plumbing systems, and provides energy concepts, studies and energy consultancy.

Peter Amthauer Bauphysik + Energieberatung GmbH

Since 2018 · 1–10 empl.

Peter Amthauer Bauphysik + Energieberatung GmbH is an independent engineering firm specialising in building physics, sound insulation and energy consulting. Its services include thermal and sound insulation assessments, energy concepts, support with GEAK, Minergie and SNBS processes, and funding applications.

Low-Tech Lab GmbH

Since 2021 · 1–10 empl.

Low-Tech Lab GmbH supports building owners and architects in developing simple, cost-effective solutions for climate-compatible buildings. Its services include energy and building-services concepts, advice on replacing oil and gas heating with renewable systems, and support with planning, commissioning, operational optimisation and energy monitoring.

Weisskopf Partner GmbH

Since 1999 · 21–50 empl.·4.5(2)

Weisskopf Partner GmbH is an engineering and specialist planning firm focused on energy efficiency and renewable energy in buildings and systems. Its services include building-energy advice, photovoltaic and thermal-network planning, HVAC planning, and decarbonisation and energy-optimisation support for industry and businesses.

Lemon Consult AG

Since 2000 · 21–50 empl.·5.0(1)

Lemon Consult AG provides consulting and planning in construction, energy, ecology, building physics and building services engineering. Its services include sustainability strategies, energy and engineering concepts, building simulations, building physics and acoustics, and the optimization of energy and resource use in building operations.

EK Energiekonzepte AG

Since 2007 · 51–100 empl.·5.0(1)

EK Energiekonzepte AG advises building owners, planners and contractors on energy, building physics, sustainability and lighting. It develops integrated building concepts and provides services including sustainable and circular construction, room acoustics, energy efficiency, condition assessments and simulations.

ENEFFPLAN GmbH

Since 2021 · 11–20 empl.

ENEFFPLAN GmbH provides engineering and consulting services for sustainable building design. Its services include thermal building physics, sound insulation and room acoustics, energy consulting and funding advice, sustainability consulting, and fire protection.

Ingotrading GmbH

Since 2018 · 1–10 empl.

The core activity of Ingotrading GmbH is the trade in advanced batteries and battery charging technology through direct sales, particularly the delivery of starter and supply batteries as well as modern battery charging solutions for a wide range of applications.

Synergetix GmbH

Since 2020 · 1–10 empl.

Synergetix GmbH provides technical and energy-efficiency consulting to industrial and commercial businesses. Its services include analysing energy flows, developing concepts for heat supply, waste-heat recovery and energy optimisation, and managing technical projects.

RMB Engineering AG - Niederlassung Zürich

Since 2024 · 11–20 empl.

RMB Engineering AG - Niederlassung Zürich is an engineering and planning office within the RMB Group, specialising in building services and energy planning. Its services include heating, ventilation, air conditioning, refrigeration, plumbing and electrical systems, building automation, energy solutions, facility management and operational optimisation.

Effienergie AG

Since 2006 · 11–20 empl.·5.0(1)

Effienergie AG develops and administers funding programmes for energy efficiency and building renovations. Its services include energy consulting, building analyses, GEAK certificates, support with funding applications, client representation and building inspections.

Gartenmann Engineering AG

Since 2014 · 51–100 empl.·5.0(1)

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

eicher+pauli Zürich AG

Since 2017 · 101–500 empl.·5.0(2)

eicher+pauli Zürich AG provides planning and consulting services in energy supply, building services engineering and infrastructure. Its work includes developing energy strategies and supply concepts, and planning technical systems for buildings, sites and districts.

Energiebüro AG

Since 2004 · 21–50 empl.·5.0(1)

Energiebüro AG is an independent engineering and consulting company focused on renewable energy, particularly photovoltaics and hydropower, as well as energy efficiency and building systems. It advises on, analyses and plans projects, and supports their implementation, quality assurance and operation.

BONT Energieberatung

Since 2020 · 1–10 empl.

BONT Energieberatung provides independent consulting, engineering and planning services to improve energy efficiency in industrial and commercial operations. Its services include energy analyses, concepts and optimisation of heating and cooling systems, production facilities and building services, as well as support for construction projects.

Lichtkollektiv GmbH

Since 2022 · 1–10 empl.

Lichtkollektiv GmbH provides consulting on daylight and artificial lighting, lighting design, Human Centric Lighting and energy-related topics. It also offers training and supports the planning and delivery of events.

dPF Consulting AG

Since 2025 · 1–10 empl.

dPF Consulting AG provides consulting and project services in energy, climate and sustainability. Its activities include studies, strategy and concept development, project management and project communication.

edelmann energie ag

Since 2019 · 11–20 empl.·5.0(2)

edelmann energie ag is a consulting and engineering firm specialising in energy and sustainability in the building sector. Its services include building assessments, renovation and energy concepts, energy performance documentation and certifications such as Minergie and SNBS, as well as support throughout construction projects.