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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesGarageTeufen ArJoller Diagnostics GmbH
Joller Diagnostics GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Joller Diagnostics GmbH operates a garage servicing vehicles of all makes. Its services include vehicle diagnostics, repairs, vehicle electronics, maintenance, and tyre and wheel work; it also trades in vehicles.

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Presence

Service area

Offering

Products & services

Industry:GarageCar dealership
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3.8/5

Joller Diagnostics GmbH

✓ Offered7
Vehicle diagnostics
Diagnostics for all vehicle brands, including fault analysis and diagnostic work around the vehicle.
Repairs
Repairs for vehicles of all brands, from general restoration work to customer-specific repair appointments.
Vehicle electronics
Work on vehicle electronics and electrical systems, complemented by diagnostics and repairs in the vehicle sector.
Service work
Service work for vehicles, including appointment booking and spare parts orders; vehicles must be handed in by 08:00.
Tyre and wheel service
Tyre/wheel work around the vehicle, as part of ongoing care and maintenance.
Vehicle sales
Vehicle sales as an additional service alongside workshop, diagnostic and service work for all brands.
Holiday check
Comprehensive vehicle check to ensure operating safety, bookable online at a fixed price.
Trust & reputation

ranQ Trust Score of Joller Diagnostics GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of November 2026

Joller Diagnostics GmbH 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%
Joller Diagnostics GmbH scores 57.1 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.39.612%
  • 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%
Joller Diagnostics 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%
Joller Diagnostics GmbH 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

Joller Diagnostics GmbH reaches a ranQ Trust Score of 3.8 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

Ebni 18
9053 Teufen Ar

At a glance

Legal form
Limited Liability Company
UID
CHE-492.046.118
Founded
2024 · 2 years
Last commercial register change
March 10, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ARTeufen (AR)
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.
88.0
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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