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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringOberhofen Am ThunerseeAGA Haustechnik + Planung GmbH
AGA Haustechnik + Planung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company provides services in the field of residential and commercial construction, particularly in the areas of planning, consulting and execution of construction projects, including electrical installations, building technology and lighting.

AI-generated
Offering

Products & services

Industry:Technical Consulting & EngineeringPlumbing & Building Services
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3.9/5

AGA Haustechnik + Planung GmbH

✓ Offered6
Heating
Heating systems, heating refurbishment, new builds and renovations; planning, conversion, maintenance and repair work as well as commissioning.
Sanitary & Bathrooms
Sanitary installations, bathroom design, bathroom conversions and refurbishments; consulting, planning, implementation and, if desired, complete site management.
Solar
Solar systems for photovoltaic and solar thermal energy to generate electricity, produce domestic hot water and support heating.
Heating systems with heat pumps
Installation of heat pumps with air, groundwater, ground heat exchangers and domestic hot water; for heating and domestic hot water production in new builds and refurbishments.
Heating systems with wood & biomass
Installation of heating systems with wood and biomass; suitable for new builds and renovations, with ecological and renewable fuels.
Emergency plumbing service
24-hour emergency service for burst pipes, water damage, leaking lines, pipe and drain cleaning as well as repairs and maintenance work.
Trust & reputation

ranQ Trust Score of AGA Haustechnik + Planung GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

AGA Haustechnik + Planung GmbH scores 61.7 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.55.624%
  • 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.49.510%
  • 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%
AGA Haustechnik + Planung GmbH scores 77.2 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.86.512%
  • 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.55.07%
AGA Haustechnik + Planung GmbH scores 83.3 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).83.322%
AGA Haustechnik + Planung GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AGA Haustechnik + Planung GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 6 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
3.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Alter Oberländerweg 2
3653 Oberhofen Am Thunersee

At a glance

Legal form
Limited Liability Company
UID
CHE-330.202.567
Founded
2016 · 10 years
Last commercial register change
January 12, 2016
Employees
1 to 10
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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