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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesGlazierWimmisWenger Fenster AG
Wenger Fenster AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Wenger Fenster AG is the development, manufacture and distribution of windows, doors and other building elements, in particular Eiger windows, Niesen windows, sliding elements, roof windows, entrance doors and special elements. The company also offers services such as consulting and planning, installation, customer service and operational management.

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Service area

Offering

Products & services

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4.3/5

Wenger Fenster AG

✓ Offered10
Windows
Windows for new construction and window replacement, including Eiger windows and Niesen windows; individual solutions, advice, calculations and production for sustainable building.
Glazings
Glazings for windows and building junctions, complemented by suitable solutions for renovation, new construction and individual requirements.
Sliding elements
Sliding elements as a product for openings with large glass surfaces, designed, calculated and produced to meet individual requirements.
Roof windows
Roof windows for new construction and replacement, with a roof window configurator as well as advice, planning, installation and after-sales service.
Entrance doors
Entrance doors as an additional product in the window and glazing sector, suitable for new construction, replacement and individual solutions.
Special elements
Custom special elements for specific requirements in the window and façade sector, designed and produced as needed.
Consulting and planning
Consulting and planning for window replacement, new construction, building junctions, assessments, building-physics investigations and cost clarifications; in the showroom, on site or for large orders and individual windows.
Installation
Installation of the company’s own windows and glazings by its own FFF-certified employees as well as, if required, by partner companies.
After-sales service
After-sales service for repairs and maintenance of existing windows and doors, including maintenance contracts and prompt problem resolution.
Company tours
Company tours and plant walkthroughs with insight into window production, on request for company outings or groups.
Trust & reputation

ranQ Trust Score of Wenger Fenster AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of November 2026

Wenger Fenster AG scores 72.7 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.52.324%
  • 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.100.010%
  • 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.100.08%
Wenger Fenster 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%
Wenger Fenster 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%
Wenger Fenster AG scores 60.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Wenger Fenster AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 56 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 56 reviews across all connected sources

Sources
GGoogle456
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 25, 2025Media
Fenster und Verglasungen aus Wimmis
telebaern.tv
January 3, 2019Media
Neue Gesichter an der Spitze von Wenger Fenster
bernerzeitung.ch
February 17, 2015Media
Produkte auch im Ausland gefragt
bernerzeitung.ch

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Location

Chrümigstrasse 32
3752 Wimmis
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.798.535
Founded
1981 · 45 years
Last commercial register change
March 10, 2025
Employees
21 to 50

Active in 1 of 26 cantons

  • BEBern
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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