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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementDerendingenFornax Immobilien AG
Fornax Immobilien AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Fornax Immobilien AG provides planning, supply and installation of combustion, chimney and chute systems as well as associated exhaust systems. The product range includes fireplaces, wood and pellet stoves, storage ovens and exhaust systems in ceramic, stainless steel and plastic; products are VKF‑approved and comply with applicable air-quality regulations.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered4
Fireplace and stove technology
Wood and gas fireplaces, stove fireplaces, tiled stoves, base stoves, storage stoves, pellet stoves and wood ranges; design of the flue system, selection, custom planning and final installation.
Chimney and flue systems
Chimney and flue systems made of ceramic/shamotte, stainless steel and plastic; renovations and new installations, delivery and installation, systems for private and industrial applications.
Chute technology
Laundry and refuse chute systems for single-family homes, hotels, hospitals, retirement and care homes, as well as commercial buildings; consulting, development, planning and installation.
Special offers
Promotions from stock and display models at current special prices; prices in CHF including VAT.
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4.1/5

Fornax Immobilien AG

Trust & reputation

ranQ Trust Score of Fornax Immobilien AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Fornax Immobilien AG scores 64.5 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.47.624%
  • 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.80.810%
  • 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.95.08%
Fornax Immobilien 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%
Fornax Immobilien 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%
Fornax Immobilien AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fornax Immobilien AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 23 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
3.8
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle3.823
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Fabrikstrasse 1
4552 Derendingen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:30
Sat
09:00 - 13:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.816.885
Founded
1986 · 40 years
Last commercial register change
May 12, 2017
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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