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

About the company

Columbus Treppen AG manufactures bespoke staircases, attic/ladder stairs and roof hatches, and supplies matching railings and handrails. The company uses CAD planning and produces stairs in its own joinery and metal workshop, working with wood, steel, aluminium, glass and natural stone.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered4
Staircases
Staircases made to measure for interior spaces, in various styles, versions and materials; including stringer, saddle, spindle, cantilevered, folding, overhanging, beam and space-saving staircases as well as balustrades.
Attic lift stairs
Attic lift stairs for access to the attic or basement; as scissor, wooden sliding, wooden folding, fire-protection EI30 and standard staircase Dolle versions.
Roof hatches | RWA
Roof hatches and smoke and heat venting solutions; as terrace hatch, flat-roof hatch, RWA in roof hatch, lift-shaft smoke venting and skylight.
Showrooms
Stair showrooms in Oberbüren SG, Niederbipp BE and Volketswil ZH; viewing of various stair styles, versions and materials with individual consultation.
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4.5/5

Columbus Treppen AG

Trust & reputation

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

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Columbus Treppen AG scores 85.6 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.80.524%
  • 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.90.410%
  • 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%
Columbus Treppen AG scores 92.3 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.82.07%
Columbus 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%
Columbus Treppen AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Columbus Treppen AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 34 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 34 reviews across all connected sources

Sources
GGoogle4.734
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Industrie Haslen 12
9245 Oberbüren
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.642.081
Founded
1986 · 40 years
Last commercial register change
September 27, 2018
Employees
21 to 50
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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