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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGrenchenG. Cali Heizung Sanitär AG
G. Cali Heizung Sanitär AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of G. Cali Heizung Sanitär AG is the provision of services in the field of building technology, particularly in the areas of heating and sanitation. This includes, among other things: boiler renovation, sanitary installations, bathroom conversions and renovations, heating and sanitation consulting, and solar system installations. The company offers these services to private customers and companies in the region from Solothurn to Biel, emphasizing professional, serious advice and execution of the work.

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Products & services

Industry:Plumbing & Building Services
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4.1/5

G. Cali Heizung Sanitär AG

Specialized Construction Installations
✓ Offered5
Plumbing installations
Sanitary installations, pipework construction, installation of water softening systems and water filters, fitting of dishwashers, washing machines and tumble dryers, maintenance and repair services.
Bathroom remodeling and renovation
Bathroom remodeling and renovation, replacement of bathtubs, washbasins and WCs, from consultation and planning through to execution.
Heating system installations and heating service
Installation of heating systems for oil, gas, air, water, wood and solar, floor, wall and ceiling heating systems, as well as repair and maintenance of heating systems and pumps.
Boiler refurbishment
Refurbishment of existing boilers, including advice on suitable heating solutions and execution of work related to the heating system.
Solar systems
Consulting and installation of solar systems as part of heating systems and building services.
Trust & reputation

ranQ Trust Score of G. Cali Heizung Sanitär AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

G. Cali Heizung Sanitär AG scores 72.7 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.72.524%
  • 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.61.010%
  • 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.88.08%
G. Cali Heizung Sanitär AG scores 76.6 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.79.212%
  • 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%
G. Cali Heizung Sanitär AG 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%
G. Cali Heizung Sanitär AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

G. Cali Heizung Sanitär AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 10 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
4.6
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Dählenstrasse 51
2540 Grenchen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-371.572.435
Founded
2018 · 8 years
Last commercial register change
January 31, 2023
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.
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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