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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryRetail & CommerceAuto Repair ShopsBirsfeldenChümi AG
Chümi AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Chümi AG - Die Garage offers services in the field of car repair and maintenance. They carry out repairs on all brands and also offer used vehicles.

AI-generated
Offering

Products & services

Industry:Auto Repair Shops
✓ Offered5
Car repairs and service work
MFK work, small and large service, preparation for the MFK test, presenting the vehicle for inspection, engine and chassis washing for the MFK test, headlight adjustment, battery check, roof rack mounting.
Exhaust maintenance and emissions tests
OBD exhaust maintenance as well as emissions tests for passenger cars and vans with petrol or diesel engines.
Vehicle care
Interior cleaning and exterior as well as interior cleaning, each with or without window cleaning.
Tyre service
Tyre change, mounting of complete wheel sets, disposal of old tyres, surcharges for tyres brought along, as well as tyre storage in the tyre hotel.
Replacement vehicle
Passenger cars and vans as replacement vehicles per day.
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4.1/5

Chümi AG

Trust & reputation

ranQ Trust Score of Chümi AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 88% · As of October 2026

Chümi AG scores 65.6 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.67.524%
  • 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: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Chümi 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%
Chümi 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%
Chümi AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Chümi AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 10 customer reviews. The data basis is 88%, 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
4.4
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.410
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Sternenfeldstrasse 15
4127 Birsfelden
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.944.799
Founded
1978 · 48 years
Last commercial register change
January 28, 2021
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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