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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSirnachWinkelaar Rohrleitungstechnik GmbH
Winkelaar Rohrleitungstechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Winkelaar Rohrleitungstechnik GmbH is the planning, consulting, execution and maintenance of supply systems in the areas of gas, cooling water and compressed air.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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3.7/5

Winkelaar Rohrleitungstechnik GmbH

✓ Offered
6
Piping engineering for supply systems
Design, consulting, installation and maintenance of supply systems in the fields of gas, cooling water and compressed air.
Consulting, design, installation and maintenance for industrial facilities and laboratory supply systems
Consulting, design, installation and maintenance for industrial facilities, laboratory supply systems, universities and training workshops.
Gas supply systems
Central gas supply and high-purity gas supply with copper, stainless steel and orbital-welded executions.
Compressed air systems
Planning, installation and maintenance of compressed air systems in stainless steel or aluminium for industrial and technical applications.
Cooling water systems
Planning, installation and maintenance of cooling water systems in stainless steel, threaded or press-fit, also for laboratory applications.
Piping construction with plastic materials
Processing of PP, PVC and PVDF for piping and plant applications.
Trust & reputation

ranQ Trust Score of Winkelaar Rohrleitungstechnik GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Winkelaar Rohrleitungstechnik GmbH scores 44.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.54.224%
  • 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.27.910%
  • 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.35.08%
Winkelaar Rohrleitungstechnik GmbH scores 82.0 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.97.712%
  • 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%
Winkelaar Rohrleitungstechnik GmbH 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%
Winkelaar Rohrleitungstechnik GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Winkelaar Rohrleitungstechnik GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.0 out of 5 stars from 2 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
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Büfelderstrasse 31
8370 Sirnach

At a glance

Legal form
Limited Liability Company
UID
CHE-304.586.204
Founded
2012 · 14 years
Last commercial register change
June 18, 2012
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.88.06%
  • 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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