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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryButtisholzRoos Treppenbau AG
Roos Treppenbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roos Treppenbau AG is the manufacture and distribution of stairs, railings and tables. The company offers a wide range of stair types, including wall stairs, saddle stairs, cantilever stairs, floating stairs, folding stairs, spiral stairs and special stairs. Additionally, railings made of various materials such as wood, metal and glass are offered. The company also provides services such as consulting, planning and execution of stair and railing projects.

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Offering

Products & services

Industry:Timber Construction & CarpentryJoinery
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4.0/5

Roos Treppenbau AG

✓ Offered5
Staircases
Staircases made to measure, including stringer staircases, saddle staircases, cantilever staircases, floating staircases, folded-plate staircases, spiral staircases, space-saving staircases and special staircases.
Handrails
Handrails made from wood, panels, metal and glass, matching staircases and available in different designs.
Tables
Tables in various designs and series, as a dedicated furniture offering in the range.
Planning, production and installation of staircases
Planning of staircases from A to Z, custom-made to measure in production and professional installation by our own specialist staff.
CNC machining
CNC machining with a 5-axis machining centre for formatting, profiling, drilling, grooving and separating various workpieces and materials.
Trust & reputation

ranQ Trust Score of Roos Treppenbau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Roos Treppenbau AG scores 59.3 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.75.024%
  • 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.40.910%
  • 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.35.08%
Roos Treppenbau 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%
Roos Treppenbau 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%
Roos Treppenbau AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roos Treppenbau AG 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 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Gewerbezone 55
6018 Buttisholz
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.614.770
Founded
2005 · 21 years
Last commercial register change
February 8, 2022
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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