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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesThunGysin AG Thun
Gysin AG Thun Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gysin AG Thun is a service provider for heating, sanitary and utility-line works, offering planning, supply, installation and maintenance services, including repairs and a 24‑hour emergency service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered10
Heating
Heat generation and heat distribution in new builds and renovation projects, including systems with heat pumps, wood, district heating, gas, oil, solar energy, as well as maintenance and servicing.
Utility pipeline construction
Utility pipework work in the drinking water sector, repairs of domestic water connections and transit pipelines, installation of new supply lines, and maintenance of household water installations.
Plumbing
Planning and installation of water, gas and drainage lines, from consultation and cost estimate to professional execution on new, conversion and renovation projects.
Bathrooms
Planning and renovation of bathrooms as individual feel-good spaces, including execution for new builds and conversions.
Wellness
Design of wellness areas and bathroom solutions for well-being and pleasure.
Rainwater harvesting
Systems and installations for using rainwater as a resource.
Water softening
Installations for water softening to protect domestic installations and household appliances.
Maintenance and servicing
Regular maintenance of installations and equipment to extend service life, prevent damage and ensure trouble-free operation of the building services.
Optimising and renovating
Assessing, optimising and regulating systems as part of service and renovation work.
Service/Repairs
Service and repair work for minor and major problems with heating, plumbing and building services installations.
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3.9/5

Gysin AG Thun

Trust & reputation

ranQ Trust Score of Gysin AG Thun: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Gysin AG Thun scores 52.1 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.53.824%
  • 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.50.08%
Gysin AG Thun scores 89.3 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.70.07%
Gysin AG Thun scores 85.0 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).85.022%
Gysin AG Thun scores 9.4 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 35.9.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gysin AG Thun reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 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
3.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.76
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bierigutstrasse 14
3608 Thun
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.230.263
Founded
1983 · 43 years
Last commercial register change
July 22, 2026
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.
100.0
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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