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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsUnterägeriA. Gisiger GmbH
A. Gisiger GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

A. Gisiger GmbH provides plumbing and heating services, as well as advice, repairs and installation for household appliances. It also installs solar and heating systems and manufactures and fits custom light-metal ceilings.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Photovoltaics
✓ Offered7
Sanitary installations
Installation and refurbishment of bathrooms, showers and kitchens; water pipes, cold and hot water, cleaning of drains as well as descaling of boilers.
Heating systems
Advice, renovation and installation of modern heating systems; heat pumps, wood chip heating and solar heating for renovations and new builds.
Solar systems
Installation of photovoltaic systems on house roofs as well as solar thermal systems for hot water preparation and heating support.
Household appliances
Repair, advice when purchasing and installation of household appliances; installation and replacement of ovens, dishwashers and tumble dryers.
Light metal ceilings
Manufacture and installation of lightweight metal ceilings to measure; suitable for insulation, enhancing ceilings and covering installations.
Service
24h emergency service, maintenance of building services, repairs as well as water damage and leak detection.
Sanitary shop
Sale of spare parts and sanitary products with showroom in Unterägeri; showerheads, seals, shower toilets as well as consultation by appointment.
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4.1/5

A. Gisiger GmbH

Trust & reputation

ranQ Trust Score of A. Gisiger GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

A. Gisiger GmbH scores 69.2 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.74.424%
  • 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.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.78.08%
A. Gisiger GmbH scores 83.0 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.100.012%
  • 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.55.07%
A. Gisiger GmbH scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).86.722%
A. Gisiger GmbH scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A. Gisiger GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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 November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Lindengasse 10
6314 Unterägeri
Opening hours
Mon
Closed
Tue
Closed
Wed
Closed
Thu
13:30 - 18:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.079.698
Founded
2001 · 25 years
Last commercial register change
September 7, 2017
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZGUnterägeri
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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