Building services engineer in
Oberentfelden

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

Companies

All 5 companies in Oberentfelden

Böni Gebäudetechnik AG Logo

Böni Gebäudetechnik AG

Since 2018 · 11–20 empl.4.9(13)

Böni Gebäudetechnik AG plans and advises on building services for residential, commercial and industrial buildings. Its services cover heating, ventilation, climate control and cooling, plumbing, drainage and coordination, as well as energy consulting, building renovations and specialist construction supervision.

Building services engineerHeating specialist planningSanitary specialist planningVentilation specialist planning
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Elsasser Kälteplanung AG Logo

Elsasser Kälteplanung AG

Since 2021 · 11–20 empl.

Elsasser Kälteplanung AG plans refrigeration systems, heat pumps and air-conditioning systems and provides consulting on refrigeration and building services. Its services include feasibility studies, project planning, specialist construction supervision and coordination, as well as waste-heat recovery concepts.

Building services engineerRefrigeration system planningPlanning of heat pumps and air-conditioningClient representation and specialist planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Brand & Partner GmbH Logo

Brand & Partner GmbH

Since 2017 · 1–10 empl.5.0(5)

Brand & Partner GmbH plans building services systems for new construction and renovation projects in residential, industrial and public buildings. Its services include heating, ventilation, air conditioning and plumbing (HVAC) planning, energy assessments and concepts, site supervision, and digital CAD and BIM planning.

Building services engineerDesign and planning of building services installations (HLKS)Energy consulting and conceptsTenders, quotation comparisons and cost estimates
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #3
SG

Si-Pla GmbH

Since 2024 · 1–10 empl.

Building services engineer
No score yetGA

Grundauf AG

Since 2024 · 1–10 empl.

Building services engineer
No score yet

Building services engineer in Oberentfelden

5Building services engineerCommercial register (Zefix) · as of November 15, 2026
2021Median year of registrationCommercial register (Zefix) · as of November 15, 2026
161in the Canton of AargauCommercial 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

Largest places

Baden11Spreitenbach7Aarau7Brugg AG5Suhr5Zofingen5
Industry axis

Building services engineer in other places

Building services engineer across Switzerland
Baden11Spreitenbach7Aarau7Brugg AG5Suhr5Zofingen5

By canton

Canton of Zurich432Canton of Bern188Canton of Vaud186Canton of Aargau161Canton of Geneva155Canton of St. Gallen149Canton of Lucerne130Canton of Zug86Canton of Valais81Canton of Ticino81Canton of Grisons76Canton of Fribourg75Canton of Thurgau63Canton of Basel-Country60Canton of Solothurn49Canton of Schwyz48Canton of Neuchâtel32Canton of Schaffhausen28Canton of Nidwalden18Canton of Jura16Canton of Appenzell Outer Rhodes8Canton of Obwalden6Canton of Glarus6Canton of Uri6
Place axis

Other industries in Oberentfelden

All companies in Oberentfelden
Real estate company19Property developer18Garage17Restaurant17Management consultant16Car dealership16Holding company15Real estate agent15Transport company12Engineer11Online shop11IT service provider10Plumber9Interior fit-out8Painter8Plasterer8Coach7Electrician7Hairdresser7Accountant7Software developer7Photographer6Architect6Building contractor6Civil works6Construction manager6Cleaning company6Hotel6Takeaway6General contractor5Landscaping5Renovation5Air conditioning5Heating installer5Carpenter5Metalwork5Beauty salon5Electronics manufacturer5Continuing education provider5Wholesale5