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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionWattenwilThierstein Treppen AG
Thierstein Treppen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Thierstein Treppen AG is the planning, manufacturing and installation of stairs and railings made from various materials such as wood, steel, glass and stone for interior and exterior use.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered5
Interior staircases
Interior staircases in wood, steel or combinations of materials, as stringer staircases, bolt staircases, combined staircases, folding-frame staircases, cantilever staircases, spiral staircases, space-saving staircases or special staircases.
Outdoor staircases
Outdoor staircases in steel or wood, as stringer or spiral staircases, with grid-grating steps or other alternatives; corrosion-protected by hot-dip galvanising and optionally colour-coated.
Interior balustrades
Interior balustrades made of wood, metal or glass, including handrails for concrete staircases and wall handrails; with freely selectable materials and design for fall protection and room design.
Outdoor balustrades
Outdoor balustrades made of wood, metal or glass for balconies, terraces and exterior areas of buildings, with various design and material options as well as privacy screen options.
Safety features for staircases
Safety fittings for staircases with child-safety strips, child-safety gates and anti-slip solutions; to limit the gap between steps and reduce slip and accident hazards.
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4.5/5

Thierstein Treppen AG

Trust & reputation

ranQ Trust Score of Thierstein Treppen AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Thierstein Treppen AG scores 88.0 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.89.124%
  • 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.79.710%
  • 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%
Thierstein Treppen AG scores 89.3 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.70.07%
Thierstein Treppen 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%
Thierstein Treppen AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thierstein Treppen AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 22 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 22 reviews across all connected sources

Sources
GGoogle522
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bernstrasse 6
3665 Wattenwil
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.746.445
Founded
2010 · 16 years
Last commercial register change
January 15, 2024
Employees
11 to 20
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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