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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesMarthalenR. Ziswiler GmbH
R. Ziswiler GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ziswiler is the planning, consulting and execution of oven construction and tile laying work, including renovations and the processing of system-tested materials. The company also offers planning consulting and individual system solutions for tile layers and specializes in the creation of residential fireplaces, such as tile stoves and wood fireplaces.

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Products & services

Industry:Specialized Construction Activities
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4.1/5

R. Ziswiler GmbH

✓ Offered5
Stove construction
Stove construction for domestic heating appliances, bespoke stove models, storage stoves, tiled stoves, cooking stove burners, refurbishment and installation including consultation and commissioning.
Tiling systems
Tiling systems for floors and walls with ceramic and natural stone, renovation of shower and bathroom areas, custom solutions and value preservation.
Planning consultancy
Planning consultancy for ceramic and natural stone façades, swimming pools and balcony structures, system build-ups, quality assurance on site and assessment of defects.
Renovations
Renovations, conversions and refurbishments in the private sector, in single- and multi-family houses as well as in public buildings, including service and repair work.
Wood delivery
Delivery of firewood, firelighters and kindling in the required quantity to the delivery location of your choice, with a delivery timeframe of around two weeks.
Trust & reputation

ranQ Trust Score of R. Ziswiler GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

R. Ziswiler GmbH scores 76.3 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.76.324%
  • 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.67.110%
  • 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%
R. Ziswiler GmbH scores 71.8 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.70.212%
  • 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%
R. Ziswiler GmbH 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%
R. Ziswiler GmbH 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

R. Ziswiler GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 13 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
4.7
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.713
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Bärchistrass 7
8460 Marthalen
Opening hours
Mon
07:00 - 12:00, 13:00 - 18:00
Tue
07:00 - 12:00, 13:00 - 18:00
Wed
07:00 - 12:00, 13:00 - 18:00
Thu
07:00 - 12:00, 13:00 - 18:00
Fri
07:00 - 12:00, 13:00 - 18:00
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-275.963.136
Founded
2020 · 6 years
Last commercial register change
May 17, 2022
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.85.03%
    • Full methodology

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