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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesGlazieryBirsfeldenW. Oser Glaserei + Schreinerei GmbH
W. Oser Glaserei + Schreinerei GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of W.Oser Glaserei + Schreinerei GmbH is the provision of services in the field of glazing and carpentry, particularly in the areas of glazing work, property maintenance and carpentry work.

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Products & services

Industry:GlazieryJoinery
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4.4/5

W. Oser Glaserei + Schreinerei GmbH

3
Joinery and carpentry work
Custom joinery work for clients, built-in cupboards, windows, wood-panel ceiling coverings, doors, kitchens, cellar compartments, restorations, as well as burglar protection and fire protection.
Glazing work
Window glazing, kitchen splashbacks, shower enclosures, mirrors, balcony glazing, glass shelves, cat flaps, and plexiglass adapters for air-conditioning units.
Property maintenance
Maintenance work for properties, repairs and installations for clients, restoration of windows, doors, cupboards and kitchens, as well as remediation of damage after burglary or water damage.
Trust & reputation

ranQ Trust Score of W. Oser Glaserei + Schreinerei GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

W. Oser Glaserei + Schreinerei GmbH scores 86.7 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.88.08%
W. Oser Glaserei + Schreinerei GmbH scores 86.7 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%
W. Oser Glaserei + Schreinerei 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%
W. Oser Glaserei + Schreinerei GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

W. Oser Glaserei + Schreinerei GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». 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

Hardstrasse 50
4127 Birsfelden
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.428.419
Founded
2007 · 19 years
Last commercial register change
September 7, 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.88.06%
  • 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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