Building services engineer in
St. Gallen

36 companies in Building services engineer based in St. Gallen — name and year of registration from the commercial register. The list below shows them all.

Companies

All 36 companies in St. Gallen

Kempter + Partner AG, Heizungs-, Klima-, Sanitär- und Energietechnik Logo

Kempter + Partner AG, Heizungs-, Klima-, Sanitär- und Energietechnik

Since 1991 · 21–50 empl.5.0(3)

Kempter + Partner AG, Heizungs-, Klima-, Sanitär- und Energietechnik is an engineering consultancy for building services planning and coordination. Its work covers heating, ventilation, air conditioning, cooling, plumbing, measurement and control systems, and energy and feasibility studies.

Building services engineerBuilding services planningConsultingServices
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
Bühler + Scherler AG Logo

Bühler + Scherler AG

Since 1983 · 51–100 empl.5.0(1)

Bühler + Scherler AG is an engineering firm specialising in electrical engineering, building automation and project management. It plans, implements and maintains building systems, and provides energy consulting and monitoring.

Building services engineerElectrical engineeringBuilding automationEnergy consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Oekoplan AG Logo

Oekoplan AG

Since 1988 · 1–10 empl.

Oekoplan AG is an engineering firm specialising in building services. It plans heating, ventilation, air-conditioning, cooling and sanitary systems, and provides technical coordination, energy concepts, expert assessments and BIM engineering.

Building services engineerHVAC&R planningSanitary planning and specialist coordinationEnergy concepts and energy documentation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
NEK Umwelttechnik AG Logo

NEK Umwelttechnik AG

Since 1989 · 1–10 empl.

NEK Umwelttechnik AG is an independent engineering and planning company working in renewable energy and building services. It develops wind energy projects and provides services in geothermal energy, heating, ventilation and air conditioning, as well as drone surveying and mapping.

EngineerWind Energy - Project DevelopmentGeothermal EnergyBuilding Services Engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Amstein + Walthert St. Gallen AG Logo

Amstein + Walthert St. Gallen AG

Since 1998 · 21–50 empl.

Amstein + Walthert St. Gallen AG provides engineering and consulting services for building services. Its work includes integrated building-services planning, energy concepts, and concepts for building operation and maintenance.

Building services engineerIntegrated building services designEngineeringConsulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
IEP Ingenieure AG Logo

IEP Ingenieure AG

Since 2008 · 1–10 empl.

IEP Ingenieure AG provides consulting and engineering services in acoustics, building physics, heating, cooling and ventilation, environmental matters, and fire protection. It develops integrated building concepts and incorporates them into project planning.

Building services engineerAcousticsBuilding physicsHeating, cooling and air engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
HKG Engineering AG Schlieren Logo

HKG Engineering AG Schlieren

Since 2010 · 21–50 empl.

HKG Engineering AG Schlieren is an engineering firm specialising in building technology and energy consulting. Its areas of expertise include electrical engineering, building automation and IT, security, energy, digitalisation and overall engineering.

Building services engineerElectrical engineeringBuilding automationBuilding IT
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
HEFTI. HESS. MARTIGNONI. St. Gallen AG Logo

HEFTI. HESS. MARTIGNONI. St. Gallen AG

Since 2011 · 101–500 empl.

HEFTI. HESS. MARTIGNONI. St. Gallen AG is an engineering company specialising in electrical and building-services planning for buildings and infrastructure. Its services include HVAC and electrical engineering, building automation, energy supply, photovoltaics, lighting design, security and fire protection.

Building services engineerIntegrated Building Services (HLKSE+)HVAC EngineeringElectrical Engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
Haustechnik Plan B AG Logo

Haustechnik Plan B AG

Since 2018 · 11–20 empl.

Haustechnik Plan B AG is an engineering consultancy for building services, covering heating, ventilation, cooling, plumbing and specialist coordination. Its services also include sewer planning, feasibility studies, condition assessments, heating system renovations and building services consulting.

Building services engineerBuilding services planningDrainage planningFeasibility studies
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Lubina Engineering GmbH Logo

Lubina Engineering GmbH

Since 2019 · 11–20 empl.

Lubina Engineering GmbH is a general planning and engineering firm for building services. It plans heating, ventilation, air-conditioning, refrigeration, plumbing and electrical systems, and provides specialist coordination, fire protection consulting, building physics services, energy performance certificates and energy advice.

Building services engineerOverall planning of HLKKSE systemsFire protection consulting and designBuilding physics and energy performance documentation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Züst Ingenieurbüro Haustechnik AG Zweigniederlassung St. Gallen Logo

Züst Ingenieurbüro Haustechnik AG Zweigniederlassung St. Gallen

Since 2020 · 1–10 empl.

Züst Ingenieurbüro Haustechnik AG Zweigniederlassung St. Gallen is an engineering consultancy for building services. It plans heating, ventilation, plumbing and cooling systems, as well as energy solutions, and prepares energy certificates and GEAK reports for new buildings and renovations.

Building services engineerHeatingVentilationSanitary
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Contegra AG Integrale Planung Logo

Contegra AG Integrale Planung

Since 2020 · 11–20 empl.

Contegra AG Integrale Planung is an engineering consultancy for energy systems, building services and plant engineering. Its services include project development and planning, overall management of technical projects, consulting, studies, analyses and operational optimisation.

EngineerProject development and planning for energy systems, building services and plant engineeringOverall management mandates for technical projectsPlanning of energy networks
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
originate GmbH Logo

originate GmbH

Since 2020 · 1–10 empl.

originate GmbH measures heat and cooling in buildings, providing data to support the planning and sizing of heating and cooling systems. It also analyses and optimises existing heating, cooling and ventilation systems, and offers measurement and engineering services.

EngineerHeat measurement and heating capacity sizingThermal power measurementEnergetic operational optimization
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Mauron Gebäudetechnik GmbH Logo

Mauron Gebäudetechnik GmbH

Since 2001 · 1–10 empl.4.3(12)

Mauron Gebäudetechnik GmbH plans and installs heating, ventilation, cooling and plumbing systems, and provides engineering planning for building services. Its services also include maintenance and support, including a 24/7 emergency service.

Building services engineerHeating engineeringPlanning and engineeringService around the clock
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
IBG Engineering AG Logo

IBG Engineering AG

Since 1974 · 51–100 empl.4.5(2)

IBG Engineering AG provides engineering and consulting services for energy supply and buildings. Its services include network planning and management, electrical planning, building automation, fire protection, photovoltaics and BIM.

Fire protectionElectrical engineering designBuilding automationFire protection planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Müller Wüst AG Logo

Müller Wüst AG

Since 2019 · 1–10 empl.

Müller Wüst AG provides model-based services for building technology, including fabrication models and the prefabrication of pipework and fastening systems. Its services also include planning coordinated fastening systems and digital support for installing plumbing, heating, cooling and sprinkler systems.

Building services engineerMW methodBuilding services fabrication modelsModel-based fastening technology
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #16
Häberlin Engineering GmbH Logo

Häberlin Engineering GmbH

Since 2017 · 1–10 empl.5.0(3)

Häberlin Engineering GmbH plans and coordinates building-services systems for heating, ventilation, air conditioning and plumbing, as well as sprinkler systems. Its services include consulting, feasibility studies, condition analyses, operational optimisation and energy solutions.

Building services engineerBuilding services engineering planningTechnical coordinationEnergy solutions
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #17
Längle & Staub GmbH Logo

Längle & Staub GmbH

Since 2014 · 1–10 empl.4.7(6)

Längle & Staub GmbH is a building-services planning and engineering firm. It plans sanitary, heating, cooling and ventilation systems, and also provides BIM services, Legionella-prevention advice and hygiene concepts.

Building services engineerGeneral planningSanitary planningHeating – Cooling – Ventilation planning
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #18
beco Haustechnik GmbH Logo

beco Haustechnik GmbH

Since 2023 · 1–10 empl.

beco Haustechnik GmbH is an engineering consultancy for energy and building services. Its services include specialist planning for heating, ventilation, plumbing and cooling systems, construction management and supervision, consulting, and feasibility studies.

Building services engineerBuilding Services Engineering Planning (HLKS)Specialist Site Management and Construction SupervisionConsulting and Feasibility Studies
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #19
IG Energietechnik AG Logo

IG Energietechnik AG

Since 2000 · 1–10 empl.5.0(1)

IG Energietechnik AG provides services in building technology and energy. Its activities include heating, ventilation and climate solutions, as well as implementing heating systems tailored to customer requirements.

Building services engineerHeating PlanningVentilation and Air Conditioning PlanningEnergy Consulting
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #20
LD Solution GmbH Logo

LD Solution GmbH

Since 2024 · 1–10 empl.

LD Solution GmbH provides building-services planning, with a focus on ventilation systems. Its services include ventilation and building-services design, BIM and 3D modelling, execution plans, material take-offs and workflow digitisation.

Building services engineerBuilding Services PlanningVentilation System PlanningBusiness Development
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #21
BZGP GmbH Logo

BZGP GmbH

Since 2020 · 1–10 empl.4.7(3)

BZGP GmbH is a company whose website currently does not provide usable information about its business activities or services.

ArchitectGeneral planningArchitectural and construction planningFire protection planning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #22
Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen Logo

Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen

Since 2018 · 1–10 empl.5.0(1)

Wirkungsgrad Ingenieure AG, Zweigniederlassung St. Gallen is an engineering firm specialising in energy and building services. It plans heating, ventilation, air conditioning, cooling, plumbing, sprinkler and building automation systems, and supports their implementation.

Building services engineerPlanning of heating, ventilation, air-conditioning, refrigeration, sanitary, sprinkler and building automation systemsOverall planning across all tradesEnergy consulting and certification
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #23
Green Pact AG Logo

Green Pact AG

Since 2009 · 1–10 empl.

Green Pact AG works in building renovation, building services, and heating and cooling technology, providing planning and execution. Its other activities include client representation in construction projects, construction cost planning, financing advice, building permit procedures, tenancy law, and property management.

Building services engineerBuilding refurbishment / Building services / Heating and coolingClient representationConstruction cost planning (BKP)
No score yet
plansync GmbH Logo

plansync GmbH

Since 2024 · 1–10 empl.

plansync GmbH is an engineering office specialising in building services for heating, ventilation and plumbing. It prepares plans and calculations, provides consultancy and specialist construction supervision, and coordinates building services including electrical systems.

Building services engineerBuilding services HLKSSpatial overall coordination HLKS+EHeating design
No score yet
PE

Pellegatta Energieberatung GmbH

Since 2006 · 1–10 empl.

Building services engineer
No score yet
PR

Paul Rohner GmbH

Since 2007 · 1–10 empl.

Building services engineer
No score yet
SR

Systamic R. Fritsche

Since 2012 · 1–10 empl.

Building services engineer
No score yet
SA

Schneider Aquatec Consulting

Since 2013 · 1–10 empl.

Building services engineer
No score yet
VA

Vadea AG, Zweigniederlassung St. Gallen

Since 2017 · 1–10 empl.

Fire protection
No score yet
GE

GHT Engineering AG

Since 2023 · 1–10 empl.

Building services engineer
No score yet
3H

3-Plan Haustechnik Violka + Partner AG

Since 2023 · 1–10 empl.

Building services engineer
No score yet
EH

ESG Haustechnik GmbH

Since 2023 · 1–10 empl.

Building services engineer
No score yet
MB

MBH Bau GmbH

Since 2023 · 1–10 empl.

Building services engineer
No score yet
L&

L & C Gebäudetechnik GmbH

Since 2024 · 1–10 empl.

Building services engineer
No score yet
MT

Mascello Thermo-Consulting GmbH

Since 2026 · 1–10 empl.

Building services engineer
No score yet

Building services engineer in St. Gallen

36Building services engineerCommercial register (Zefix) · as of November 15, 2026
2017Median year of registrationCommercial register (Zefix) · as of November 15, 2026
149in the Canton of St. GallenCommercial register (Zefix) · as of November 15, 2026
2,231in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Building services engineer in the region

Point size by number of companies per place.

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