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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryRomont FrManufacture de verres et glaces Kowalski S.A.
Manufacture de verres et glaces Kowalski S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Manufacture de verres et glaces KOWALSKI is the manufacture and processing of glass and glass products.

AI-generated
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered12
Glass for construction and interior fit-out
Insulating glass, safety glass, fireproof glass, decorative glass, glass with integrated blinds, translucent concrete and Cabrillant for construction and interior fit-out.
Installation, replacement, delivery and development of glass
Installation and replacement of all types of glass, delivery in Romandy, processing, advice and development for glass projects.
Custom glass shower
Glass showers for renovation or new construction, made to measure with different types of glass, depending on the available space and the project needs.
All-glass doors
Complete design and installation of all-glass swing, sliding, double-action or accordion doors, with solutions for offices and wet areas.
Glass barriers and balustrades
Glass barriers entirely without posts or handrails, or balustrades with a steel or stainless-steel structure and glass infill.
Glass for kitchen
Glass for between-cabinet panels, worktops and cabinet fronts, in tempered or laminated glass, with enamelled glasses and photo print.
Glass floors
Glass floors in laminated glass or glass blocks, with non-slip surface treatments and enamelled or engraved finishes.
Glass roofs
Roof glazing and glazed ceilings for light wells, with requirements for thermal insulation, solar control and safety.
Decorative glass
Decorative mirrors and transparent glasses, extra white, frosted, sandblasted, lacquered, enamelled, screen-printed, domed, laminated or with PVB print.
Glass with integrated blinds
Insulating glazing units with integrated ScreenLine® blinds, manually, electrically or solar-controlled, for protection against dirt and dust.
Fire-resistant glass
Fireproof glazing with sealing against flames, smoke and hot gases, with performance levels E30, E60 and E90 depending on the insulation level.
Cabrillant
Cabrillant partition walls for wet environments and installations with high hygienic requirements, with a smooth surface, scratch-resistant and easy to clean.
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4.1/5

Manufacture de verres et glaces Kowalski S.A.

Trust & reputation

ranQ Trust Score of Manufacture de verres et glaces Kowalski S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Manufacture de verres et glaces Kowalski S.A. scores 71.3 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.70.024%
  • 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.61.010%
  • 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%
Manufacture de verres et glaces Kowalski S.A. scores 74.8 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.75.012%
  • 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%
Manufacture de verres et glaces Kowalski S.A. 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%
Manufacture de verres et glaces Kowalski S.A. 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

Manufacture de verres et glaces Kowalski S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 10 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
4.5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.510
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route de la Maillarde 1
1680 Romont Fr
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.772.363
Founded
2019 · 7 years
Last commercial register change
November 7, 2019
Employees
1 to 10
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.100.06%
  • 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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