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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionWinznauSturzenegger AG
Sturzenegger AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sturzenegger AG is a coating company providing corrosion-protection solutions for steel and metal structures. Its services include powder coating, wet-and-bake painting, duplex systems and intumescent fire-protection coatings; the company performs surface preparation and sandblasting and operates as a contract coater for projects such as bridges, structural steel, metalwork, machinery and vehicle components.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered5
Coating solutions for steel and metal construction
Coating solutions for untreated structural steel, galvanized steel, stainless steel and aluminium; powder coating, wet and baked coatings, duplex systems, fire protection coatings.
Powder coating
Powder coating for steel and metal construction components with corrosion protection, decorative surface, UV stability and weather resistance.
Wet and baked coatings
Wet and baked coatings for large and heavy workpieces such as steel beams, bridges and signal gantries; including blasting, preparation and coating.
Duplex systems
Duplex systems made of metallic coatings and coloured coatings; coating of hot-dip galvanized material or zinc spray galvanizing for additional corrosion protection and surface.
Fire protection coatings
Tested fire protection systems with insulating/expanding layers for steel construction components; maintaining stability in the event of a fire depending on the requirement for 30 or 60 minutes.
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4.2/5

Sturzenegger AG

Trust & reputation

ranQ Trust Score of Sturzenegger AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Sturzenegger AG scores 62.2 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.57.524%
  • 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.61.010%
  • 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%
Sturzenegger AG scores 95.9 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.90.07%
Sturzenegger 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%
Sturzenegger AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sturzenegger AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 10 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
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle410
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Schachenstrasse 14
4652 Winznau
Opening hours
Mon
07:30 - 12:00, 13:00 - 16:45
Tue
07:30 - 12:00, 13:00 - 16:45
Wed
07:30 - 12:00, 13:00 - 16:45
Thu
07:30 - 12:00, 13:00 - 16:45
Fri
07:30 - 12:00, 13:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.392.720
Founded
1964 · 62 years
Last commercial register change
October 24, 2024
Employees
51 to 100
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.85.03%
    • Full methodology

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