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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesKaistenSanfa AG, Haustechnik
Sanfa AG, Haustechnik Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sanfa AG, Haustechnik is a building services company that installs and services sanitary systems, carrying out installation, repair and maintenance work on sanitary installations. Services include supply and installation of water softening and limescale protection systems, boiler servicing, shower‑WC solutions and construction or repair of house water supply lines.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Sanitary installations
All sanitary installations for new builds and conversions, including work on systems in the home or business.
Sanitary repair, maintenance and service work
All sanitary repair, maintenance and service work for private and commercial systems.
Boiler service
Supply, repair and descaling of boilers for domestic installations and sanitary systems.
Water softening systems
Supply and installation of water softening systems for domestic water and sanitary installations.
Anti-limescale devices
Supply and installation of alternative anti-limescale devices for domestic water installations.
Shower toilet installation
Supply and installation of shower toilets, including models from Closomat, Geberit and Lapreva.
Domestic water supply lines
Installation, repair and replacement of domestic water supply lines for buildings and properties.
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4.0/5

Sanfa AG, Haustechnik

Trust & reputation

ranQ Trust Score of Sanfa AG, Haustechnik: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Sanfa AG, Haustechnik scores 58.5 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.65.024%
  • 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%
Sanfa AG, Haustechnik scores 85.5 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%
Sanfa AG, Haustechnik scores 83.3 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).83.322%
Sanfa AG, Haustechnik scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sanfa AG, Haustechnik reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Im Obert 455
5082 Kaisten
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.110.624
Founded
2004 · 22 years
Last commercial register change
June 25, 2026
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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