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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWollerauHauser Ofenbau GmbH
Hauser Ofenbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hauser Ofenbau GmbH is the planning, manufacturing and installation of various types of ovens, fireplaces and tile coverings, including storage heaters, tile stoves, whole-house heating systems, individual fireplaces, storage fireplaces, fireplace stoves, pizza ovens, grill systems and natural stone work.

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Products & services

Industry:Specialized Construction Installations
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4.0/5

Hauser Ofenbau GmbH

✓ Offered9
Thermal storage stoves
Custom thermal storage stoves for insulated houses, with slow and continuous heat output, optionally combinable as a whole-house heating system or with a solar installation.
Tiled stoves
Custom tiled stoves as an individual heating and living-area solution, with planning and installation for new builds, conversions or renovations.
Whole-house heating systems
Wood-fired whole-house heating systems using thermal stove technology, also combinable as a replacement or support for a central heating system and with domestic hot-water preparation.
Custom fireplaces
Individual custom fireplaces, including thermal storage fireplaces and fireplace stoves, for decorative or heating fire places.
Pizza ovens
Pizza ovens for private or commercial use, planned and built as a made-to-measure fire and baking solution.
Barbecue/grill systems
Custom barbecue/grill systems for the garden and outdoor areas, instead of typical standard do-it-yourself solutions.
Tile flooring
Tile flooring for new builds, renovations and conversions, including consulting on color, shape and technology.
Natural stone work
Natural stone work around stove construction, interior fit-out and design, tailored to individual projects and building plans.
Renovation work
Versatile renovation work as part of conversions, refurbishment and modernization, as part of an overall concept.
Trust & reputation

ranQ Trust Score of Hauser Ofenbau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

Hauser Ofenbau GmbH scores 64.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.76.724%
  • 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.45.610%
  • 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%
Hauser Ofenbau GmbH scores 79.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.92.512%
  • 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%
Hauser Ofenbau GmbH 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%
Hauser Ofenbau GmbH scores 17.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hauser Ofenbau GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bächerhalde 14
8832 Wollerau
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-273.195.403
Founded
2014 · 12 years
Last commercial register change
April 16, 2015
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.
88.0
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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