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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceAutomotive & Vehicle TradeSiebnenGM-Cars R. Jaeggi
GM-Cars R. Jaeggi Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GM US Cars is the performance of service work, repairs, diagnostics, tuning, tire service and replacement vehicles for US-American vehicles, particularly for brands such as Chevrolet, Ford, Dodge, Cadillac and US Muscle Cars. The company also offers vehicle inspections, breakdown assistance and restoration of classic cars.

AI-generated
Offering

Products & services

Industry:Automotive & Vehicle Trade
✓ Offered8
Service work
Periodic and annual service work for American vehicles according to manufacturer specifications, including care service, annual service, air-conditioning service and maintenance service.
Repairs
Mechanical repairs and overhaul work on US vehicles, including exhaust, engine, transmission, brakes, axles and minor repairs.
Diagnosis
Electronic diagnosis using OBD2 and multi-scanner devices, reading out fault codes as well as noise, damage and exhaust diagnostics.
Racing / Tuning
Technical modifications and optimization of engine, suspension, brakes and exhaust for road use, slalom and circuit racing.
Tyre service
Sale, mounting and fine-balancing of tyres and rims for US cars, including direct tyre import and tyres from stock.
Replacement car
Replacement vehicle as an American limousine, specifically a Cadillac CTS with automatic transmission and air conditioning.
Preparation for MFK vehicle inspection
Repairs and clarifications for the MFK, preparation for the cantonal inspection, personal presentation at the road traffic office, and insurance arrangements.
Roadside assistance
Roadside assistance and transport service with company-owned pick-ups for vehicles up to 2,000, 3,000 or 6,000 kg.
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4.1/5

GM-Cars R. Jaeggi

Trust & reputation

ranQ Trust Score of GM-Cars R. Jaeggi: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

GM-Cars R. Jaeggi 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.
x
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%
GM-Cars R. Jaeggi scores 78.5 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%
GM-Cars R. Jaeggi scores 83.3 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).83.322%
GM-Cars R. Jaeggi scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GM-Cars R. Jaeggi 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 October 2026.

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

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Location

Zürcherstrasse 30b
8854 Siebnen

At a glance

Legal form
Sole proprietorship
UID
CHE-106.373.635
Founded
1988 · 38 years
Last commercial register change
November 24, 1988
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.
67.0
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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