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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesIndustrial & Product DesignAffoltern Am AlbisSchmidlin AG
Schmidlin AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schmidlin AG manufactures ventilation distribution systems and supplies ducts, spiral pipes, fittings and sheet-metal components for building services. The company also provides components and accessories, metal fabrication, installation teams, leakage testing and duct sealing (Aeroseal), and supports digital data transfer (ProAir, Trimble Nova, Revit).

AI-generated
Offering

Products & services

Industry:Industrial & Product Design
✓ Offered10
Duct systems
Duct systems in various material types for new builds and conversions, including ventilation ducts and fittings in different dimensions.
Pipe assortment
Lock-seam (spiral) pipes and fittings in various designs and material types for new builds, conversions and ventilation systems.
Components for ventilation systems
Development, production and testing of components for modern ventilation systems, from CNC parts to the welded chimney, with various surface treatments.
Metal fabrication
Design and production of complete sheet-metal components for a wide range of applications, including various surface treatments.
Accessories for ventilation construction
Accessories and necessary parts for ventilation construction projects, complementing the range of ducts, pipes and components.
Installation
Installation teams across Switzerland, carried out according to quality and scheduling requirements, for ventilation systems and related equipment.
Leakage measurements
Leakage measurements with measurement report as well as further leak-tightness tests for ventilation systems and air ducts.
Air duct sealing with Aeroseal
Air duct sealing with Aeroseal as required, complemented by sealing and leak testing services.
Digital data transfer and order processing
Digital transfer with ProAir, Trimble Nova or Revit – e-klimax for efficient capture of bills of materials and to optimise enquiry and order processes.
Consulting for special designs and developments
CAD-supported consulting for special designs and developments in the field of ventilation construction.
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4.2/5

Schmidlin AG

Trust & reputation

ranQ Trust Score of Schmidlin AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Schmidlin AG scores 65.8 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.72.124%
  • 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.40.910%
  • 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.78.08%
Schmidlin AG scores 92.0 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%
Schmidlin 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%
Schmidlin AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schmidlin AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zürichstrasse 19
8910 Affoltern Am Albis
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.938.552
Founded
1967 · 59 years
Last commercial register change
July 7, 2025
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.95.03%
    • Full methodology

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