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

About the company

Bloch Glas GmbH is a glazing business that also trades in glass products. Its services include glazing, glass repairs and renovations, as well as glass for showers, kitchens, mirrors, doors and balustrades; it also offers privacy solutions and custom glasswork.

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Service area

Offering

Products & services

Industry:Glazier
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3.8/5

Bloch Glas GmbH

10
Glass supply
Glass in various sizes, transparent, matt, glossy, satin or coloured; float glass, insulating glass, VSG, ESG, cast glass and fire-resistance glass with edge finishing as desired.
Replacement glazing
Replacement glazing made to measure with advice and implementation according to your ideas; used for various glass solutions indoors and outdoors.
Balustrades, balcony glazing and doors
Balustrades, partitions, balcony glazing and glass doors, installed using modern technology.
Shower and bathroom
Tailor-made shower partitions and shower enclosures made of transparent, coloured or satin-finished glass, with various decors.
Kitchen splashback
Glass splashbacks for kitchens in coloured, satin, glossy or designed according to photo templates.
Glass breakage & repairs
Replacement of broken glass and straightforward repairs in case of glass breakage.
Custom glass fabrications
Special glass fabrications according to individual ideas and requirements.
Mirrors
Mirrors made to measure for various applications, including bathroom and storage areas.
Visual and wind protection
Glass visual and wind protection solutions for balconies and other outdoor areas.
Cat flaps
Cat doors and cat door openings made of glass for installation in glass or door solutions.
Trust & reputation

ranQ Trust Score of Bloch Glas GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Bloch Glas GmbH scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Bloch Glas GmbH scores 79.8 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.92.512%
  • 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%
Bloch Glas GmbH 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%
Bloch Glas GmbH scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bloch Glas GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wiesenstrasse 29
2540 Grenchen

At a glance

Legal form
Limited Liability Company
UID
CHE-164.183.079
Founded
2014 · 12 years
Last commercial register change
December 16, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SOGrenchen
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.
88.0
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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