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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesGlazierBaselDemenga Glas AG
Demenga Glas AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Demenga Glas AG is a building-glass company carrying out glasswork for interior and exterior spaces. Its services include glass cutting, glazing and installation, as well as maintenance and repairs, including emergency glass-breakage service.

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Service area

Offering

Products & services

Industry:Glazier
✓ Offered9
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4.4/5

Demenga Glas AG

Glass repairs
Glass break service with 24h emergency service, securing damaged areas, replacing broken panes, temporary coverings and professional repairs for old and new buildings.
Glass cutting
Glass cuttings for all common glass types to the millimetre, made to measure, including hole drilling, rounded corners, polished edges, mirror cutting, picture glass and repairs to frames.
Glass doors
Custom-made full-glass doors and sliding doors for interior spaces, also installable at a later stage, with sound insulation, barrier-free solutions, soft-close systems and various hinge solutions.
Glass partitions
Custom-made full-glass partitions for living and working areas, with sound insulation, privacy, fire protection F30 and various glass and hardware variants.
Glass showers and shower enclosures
Full-glass showers, shower enclosures and shower partitions made to measure, also for niches, corner solutions and sloped ceilings, with nano coating, cast glass, films and screen printing.
Glass balustrades and railings
Individually made glass balustrades and glass railings for indoor and outdoor areas, including fall protection, stair and balcony railings, with various mounting systems.
Glass roofs and glass canopies
Planning, engineering and installation of glass roofs and glass canopies as weather-protected overhead glazing with architectural adaptation.
Mirrors
Custom mirrors and mirror walls, cut and processed with drilling, recesses and installation for bathrooms, cloakrooms, entrances and rooms.
Service work on glass installations
Service work on shower doors, kitchen splashbacks, mirrors, glass roofs and glass doors, including replacement of seals and hinges, descaling, alignment and maintenance.
Trust & reputation

ranQ Trust Score of Demenga Glas AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Demenga Glas AG 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.68.924%
  • 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.92.510%
  • 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.78.08%
Demenga Glas AG scores 85.5 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.55.07%
Demenga Glas AG scores 86.7 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).86.722%
Demenga Glas AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Demenga Glas AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 37 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 37 reviews across all connected sources

Sources
GGoogle4.437
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Nauenstrasse 45
4052 Basel
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.481.561
Founded
1992 · 34 years
Last commercial register change
June 16, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BSBasel
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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