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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesAltstätten SgStieger Heizungen
Stieger Heizungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stieger Ofenbau is the manufacture and construction of ovens, fireplaces, soapstone ovens, chimney ovens, whole-house heating systems, as well as related products and services such as tile cladding, wall cladding, metalwork and outdoor fireplaces.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered11
Stove building
Individually planned stoves, modern or classic; planning, material selection and precise execution according to your wishes.
Chimney building
Individual fireplaces and fire pits, technically matched to the room and how it is used; from design to installation.
Tiling
Ceramic tiles, natural stone and mosaics for floors, walls and wet areas; precise installation, including large-format ceramics.
Chimney installation
Chimney systems for the safe discharge of flue gases; planning and implementation of weather-resistant solutions integrated into the building.
Fireplace stoves
Selected brand stoves with fast heat output; advice, delivery and professional installation.
Whole-house heating
Custom heating systems for the entire house; design of solutions with even heat distribution and efficient operation.
Soapstone stoves
Individually designed soapstone stoves with natural heat storage and even radiant warmth.
Wall cladding
Wall cladding made of natural stone, facing bricks or special materials for indoor and outdoor areas.
Metalwork
Steel metalwork, including traditional cookers, stove accessories and custom black steel cladding.
Outdoor fire pits
Custom fire pits for the garden, terrace and barbecue area; made in steel or natural stone.
Design & 3D visualisation
Custom planning with realistic 3D visualisations; early depiction of the stove or fire pit before construction begins.
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4.1/5

Stieger Heizungen

Trust & reputation

ranQ Trust Score of Stieger Heizungen: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Stieger Heizungen scores 73.6 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.76.124%
  • 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.55.910%
  • 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%
Stieger Heizungen scores 78.5 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%
Stieger Heizungen scores 85.0 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).85.022%
Stieger Heizungen scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stieger Heizungen reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 8 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
4.8
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.88
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Schlatt
9450 Altstätten Sg
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-100.170.565
Founded
1999 · 27 years
Last commercial register change
March 10, 1999
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.
67.0
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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