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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOberentfeldenAQA Gebäudetechnik GmbH
AQA Gebäudetechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of AQA Gebäudetechnik GmbH is the planning, consulting and implementation of building technology solutions, particularly in the field of water and sanitary technology. The company offers products and services aimed at utilizing and appreciating the properties of water in building technology. This includes, among other things, the installation and maintenance of sanitary facilities, consulting on the selection of water and sanitary products, as well as the delivery of corresponding products through an online shop.

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Offering

Products & services

Industry:Plumbing & Building Services
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4.3/5

AQA Gebäudetechnik GmbH

✓ Offered8
Sanitary installations
Plan and install sanitary installations, design bathrooms, and provide advisory and service support for water and building services in residential and commercial buildings.
Heating systems
Advise on, plan, install, commission and adjust heating systems; solutions for renovations and energy-efficient heating systems.
Ventilation systems
Plan and install ventilation systems to create indoor air quality and fresh air for homes, offices and other buildings.
Air-conditioning / cooling systems
Advise on, plan and install cooling and air-conditioning systems for constant temperatures in offices, restaurants, server rooms or cellars.
Solar systems
Plan and install solar systems for heat and electricity, implement different control options and, on request, prepare profitability calculations.
Planning
Technical building analyses and planning, individual consulting, coordination with client requirements and 3D bathroom planning for renovations.
Service and maintenance
Repair and service services, regular maintenance, ensure operational reliability, identify weaknesses early and choose suitable service packages.
Bathroom renovation and remodelling
Plan, design and renovate bathrooms, including 3D planning for wet areas and coordination of the work during the construction period.
Trust & reputation

ranQ Trust Score of AQA Gebäudetechnik GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

AQA Gebäudetechnik GmbH scores 88.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.89.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.80.810%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
AQA Gebäudetechnik GmbH scores 68.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.58.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
AQA Gebäudetechnik GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
AQA Gebäudetechnik GmbH scores 28.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AQA Gebäudetechnik GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 23 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle523
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Industriestrasse 23
5036 Oberentfelden
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
07:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-473.263.402
Founded
2022 · 4 years
Last commercial register change
April 16, 2024
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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