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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesStarrkirch-WilFISA Heizung und Sanitär AG
FISA Heizung und Sanitär AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Fisa Heizung & Sanitär AG is the installation, maintenance and repair of heating and sanitary systems, as well as the provision of emergency and financing services in this field.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Heating systems
Heat generation systems for renovations and new builds, consulting, planning and financing; gas, oil, pellets, log, heat-pump and solar systems.
Plumbing
Installations for new builds and conversions, kitchen and bathroom solutions from a single source, water softening, solar systems with water storage, as well as service and maintenance of existing installations.
24-hour emergency service
Troubleshooting for sanitary and heating systems, help with water damage and when the heating system will not start; on-call by phone around the clock.
Financing
Financing for conversion and renovation work, such as boilers, heat pumps, water softening systems as well as kitchens and bathrooms, in low-interest monthly instalments.
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4.1/5

FISA Heizung und Sanitär AG

Trust & reputation

ranQ Trust Score of FISA Heizung und Sanitär AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

FISA Heizung und Sanitär AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
FISA Heizung und Sanitär AG 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%
FISA Heizung und Sanitär AG 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%
FISA Heizung und Sanitär AG scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

FISA Heizung und Sanitär AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Aarauerstrasse 16
4656 Starrkirch-Wil

At a glance

Legal form
Corporation
UID
CHE-109.591.938
Founded
2002 · 24 years
Last commercial register change
November 7, 2018
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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