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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionPrattelnDresohn AG
Dresohn AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dresohn AG manufactures ventilation systems, ductwork, fittings and custom components for building services. The company provides project consulting, leak testing, express order handling and an in-house logistics solution using the Corletten transport system. Dresohn AG holds ISO 9001:2015 certification.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered10
Pipe & duct systems
Pipe systems, ducts, fittings, mounting materials and sound insulation for ventilation systems; supplemented with smoke-extraction ducts.
Fittings
Dampers, air inlets, grilles, volume flow regulators, cooker hoods, lift shaft ventilation, fire protection and smoke-exhaust components, and a CO₂ monitoring device.
Controlled home ventilation (KWL)
Residential ventilation boxes, multi-distributors, base distributors, insert material, air inlets, connection boxes and various accessories for KWL systems.
Roof curbs & rain hoods
Rain hoods, column and louver hoods, roof curbs and roof hoods for ventilation and duct runs on the roof.
Building services module
Building services module as a standalone product for applications in the ventilation and building services sector.
Custom-made parts
Custom-made parts for special requirements in ventilation and duct construction.
Project consulting and support from A to Z
Support for customers, planners and architects with quotation activities, optimisation of duct and pipe networks, sizing and measurement of silencers, and 3D drawings.
Leak tests
Leak tests for pipe systems and components in ventilation systems to identify leaks and air losses.
Express ordering
Express ordering for standard ducts, duct fittings, rectangular-to-round transitions and stock items; order by 16:30, ready for pickup the next morning.
Efficient delivery
On-time site delivery of air-duct parts with the Corletten transport system and mobile material depots.
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3.7/5

Dresohn AG

Trust & reputation

ranQ Trust Score of Dresohn AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Dresohn AG 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%
Dresohn AG scores 65.7 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.50.012%
  • 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%
Dresohn 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%
Dresohn AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dresohn AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». 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 October 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

Zurlindenstrasse 17
4133 Pratteln
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:45
Tue
07:00 - 12:00, 13:00 - 16:45
Wed
07:00 - 12:00, 13:00 - 16:45
Thu
07:00 - 12:00, 13:00 - 16:45
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-401.193.458
Founded
2023 · 3 years
Last commercial register change
February 16, 2023
Employees
21 to 50
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.
76.0
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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