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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryRetail & CommerceCar dealershipZurichCircle 4 Motors AG
Circle 4 Motors AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Circle 4 Motors AG is the maintenance, repair, customization and conversion of Harley-Davidson motorcycles. This also includes the sale of original spare parts and the winter storage of motorcycles. The company also offers consulting and individual solutions for customers who want to customize or convert their Harley-Davidson motorcycles.

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Presence

Service area

Offering

Products & services

Industry:Car dealership
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4.1/5

Circle 4 Motors AG

✓ Offered8
Conversion work
Custom Harley-Davidson conversions, comprehensive adaptations and expert advice for implementing your own ideas and riding-style preferences.
Service and repairs
Inspections, maintenance and repairs of all kinds for Harley-Davidson motorcycles, with a focus on reliability and road-ready condition.
Spare parts
Procurement of individual spare parts for motorcycles on request, with an easy ordering process for quick recommissioning.
Harley-Davidson sound upgrades (Bikesound Maxxcount)
Tailor-made sound solutions and official installation of Maxxcount systems for Harley-Davidson motorcycles, including advice and professional assembly.
Performance upgrade (Don Performance)
Individual tuning and setup for Harley-Davidson CAN-Bus models, with more power and torque as well as adjusted throttle response.
Winter pick-up and delivery service
Pick-up of the motorcycles at home, carrying out repair, maintenance or conversion work over the winter and returning them in spring.
Winter storage
Winter parking spaces for motorcycles during the season, for storage over the winter months.
Used motorcycles
Sale of used motorcycles via the external Motoscout24 sales page and the company’s own Bikes-for-Sale section.
Trust & reputation

ranQ Trust Score of Circle 4 Motors AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Circle 4 Motors 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%
Circle 4 Motors AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Circle 4 Motors 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%
Circle 4 Motors AG scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Circle 4 Motors 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Müllerstrasse 34a
8004 Zurich

At a glance

Legal form
Corporation
UID
CHE-108.373.209
Founded
1995 · 31 years
Last commercial register change
October 6, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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