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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesJoineryBiltenKlarer & Zwicky AG
Klarer & Zwicky AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Klarer + Zwicky AG is the manufacture and distribution of specialized doors, in particular cold room doors, fire-resistant doors, insulated doors, deep-freeze room doors, operating room doors, cold room sliding doors, deep-freeze room sliding doors, high-speed and low-speed doors, as well as door frame heating systems and fittings. The company also offers custom-made products and the distribution of Hörmann gates.

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Offering

Products & services

Industry:Joinery
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Klarer & Zwicky AG

Metal Industry
✓ Offered10
Cold room doors
Robust chrome-nickel steel cold-room doors with CFC-free PU insulation, a vehicle-trafficable threshold, special seal, chrome-plated hinges, and a lockable design.
Freezer room doors
Robust chrome-nickel steel freezer-room doors with CFC-free PU insulation, built-in heating cable, heated overpressure valve and a lockable design.
Fire-resistant insulated doors
EI 30 fireproof insulated doors with EMPA test report, VKF approval, PU insulation that is difficult to ignite, and a chrome-nickel steel design.
Sliding cold room doors
Robust chrome-nickel steel sliding doors for cold rooms with CFC-free PU insulation, carriage with lowered profile, automatic drive, safety bar, motion detector and lockable design.
Sliding freezer room doors
Robust chrome-nickel steel sliding freezer-room doors with CFC-free PU insulation, heating cable, automatic drive, safety bar and protective posts.
Service room doors
Robust chrome-nickel steel service-room doors with CFC-free PU insulation, vehicle-trafficable or thresholdless design, welded corners and special seal.
High- and low-rail doors
Robust chrome-nickel steel pipe-rail doors with CFC-free PU insulation, one- or multi-leaf version, covered pipe-rail passage and lockable design.
Door frame heaters
Door frame heaters for standard vehicle-traffic thresholds.
Custom chromium steel fabrications
Custom chromium steel fabrications on request.
Door hardware
Door hardware; further information on request by phone or email.
Trust & reputation

ranQ Trust Score of Klarer & Zwicky AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Klarer & Zwicky AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Klarer & Zwicky AG scores 85.5 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.55.07%
Klarer & Zwicky AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Klarer & Zwicky AG scores 1.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Klarer & Zwicky AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Tschachenstrasse 13
8865 Bilten

At a glance

Legal form
Corporation
UID
CHE-107.894.523
Founded
1977 · 49 years
Last commercial register change
April 28, 2026
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.
100.0
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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