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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesZollikofenErwin Wyss AG
Erwin Wyss AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Erwin Wyss AG is a service company focused on crane rental, crane assembly and disassembly, repairs, maintenance and crane inspections. The company also sells tower cranes, accessories and spare parts, and provides transport services related to cranes.

AI-generated
Offering

Products & services

Industry:Repair of Machinery & Electronic Devices
✓ Offered7
Crane rental
Rental of Liebherr bottom- and top-slewing tower cranes for construction sites; rental fleet with around 100 rental cranes, various crane types and accessories.
Crane assembly and disassembly
Assembly and disassembly of cranes from various manufacturers, in particular Liebherr, Peiner, Potain, Condecta and Pekazett.
Maintenance and repairs
Maintenance and repairs of cranes, including for a large number of customers’ cranes, with targeted servicing to reduce downtime risks.
Crane and operational inspections
Regular crane-expert inspections in operating condition for crane and operational safety.
Sale of cranes and accessories
Sale of Liebherr top- and bottom-slewing tower cranes, as new cranes or refurbished used cranes, complemented by accessories.
Accessory rental
Rental of various accessories in addition to the rental cranes.
Spare-parts procurement
Extensive spare-parts stock with electrical components, brake parts, rope sheaves, wire ropes, ball bearings, gearboxes and motors; parts not available are ordered.
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4.2/5

Erwin Wyss AG

Trust & reputation

ranQ Trust Score of Erwin Wyss AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Erwin Wyss AG scores 75.8 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.72.924%
  • 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.63.210%
  • 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.100.08%
Erwin Wyss 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%
Erwin Wyss 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%
Erwin Wyss AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Erwin Wyss AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 11 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
4.6
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.611
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Länggasse 32
3052 Zollikofen
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.907.842
Founded
1995 · 31 years
Last commercial register change
March 14, 2016
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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