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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionEffretikonTrewag AG
Trewag AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Trewag AG is the development, manufacture and assembly of partitioning systems for various fields of application, such as offices, industry, medicine and others. The products include glass partitions, office partitions, soundproof partitions, industrial partitions, mobile partitions and room-in-room systems. The company also offers consulting, planning and manufacturing services and produces all parts to measure in its in-house production facility.

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Products & services

Industry:Interior Construction
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4.3/5

Trewag AG

Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered10
Glass partition walls T01
Full-height office partition walls made of custom safety glass, single-glazed, with minimal aluminium profiles, optional film coating and hinged or sliding doors.
Office partition walls T03
Custom double-glazed system partition walls with high sound insulation, relocatable elements, various door variants and options for surfaces, films and fire protection.
Room-in-room systems
Free-standing meeting boxes, telephone booths and work cabins for 1 to 10 people, with sound insulation, ventilation, lighting, power sockets and quick installation.
Industrial partition walls Classic
Relocatable industrial partition walls for workshops, production halls and commercial buildings, available in single or double-glazed versions, with sound insulation up to 45 dB and up to 8 m in height.
Industrial cabins Classic
Soundproof cabins for industrial environments, planned individually, with a controllable supply and extract ventilation system, sound insulation up to 45 dB, roof load options and components that can be integrated.
Mobile partition frame
Free-standing or mobile partition frame for office areas, as a room divider, storage or organisation solution with freely selectable dimensions, colours and equipment.
Consulting
Project-based consulting for suitable partition solutions, including requirements such as sound, fire or ballistic protection, as well as support for further projects.
Planning
CAD planning and on-site measurement to support the implementation of partition projects, aligned with floor plans, requirements and standards.
Manufacturing
Custom manufacturing of partition elements in Effretikon using glass, aluminium and wood processing, with short delivery times.
Installation
Professional installation of prefabricated partition elements, fast and as dust- or noise-free as possible, also possible during ongoing operations.
Trust & reputation

ranQ Trust Score of Trewag AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Trewag AG scores 76.4 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.78.124%
  • 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.63.210%
  • 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%
Trewag AG scores 89.3 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.70.07%
Trewag AG 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%
Trewag AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trewag AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 11 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
4.8
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.811
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Im Langhag 14
8307 Effretikon
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:30
Tue
08:00 - 12:00, 13:00 - 16:30
Wed
08:00 - 12:00, 13:00 - 16:30
Thu
08:00 - 12:00, 13:00 - 16:30
Fri
08:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.738.835
Founded
1986 · 40 years
Last commercial register change
June 28, 2024
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.
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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