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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceAuto Repair ShopsThalwilSonnenberg-Garage AG
Sonnenberg-Garage AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sonnenberg-Garage AG is a family-operated garage providing vehicle sales, maintenance and repair services for all makes. The company sells Opel new and used cars, performs diagnostics, inspections, tire and brake services, bodywork and accident repairs with insurance handling, and offers rental of commercial vehicles and roof boxes.

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Offering

Products & services

Industry:Auto Repair Shops
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Sonnenberg-Garage AG

✓ Offered
6
Sale of new cars and used cars
Sale of Opel new cars and used cars, including new car configurator and vehicle listings via autoscout24.ch.
Service and repair work
Diagnosis, repair, maintenance and inspection for vehicles of all makes and models; in addition tyre changes, brake service, oil change, battery, climate, exhaust, lighting and windscreen work.
Bodywork and collision repairs
Bodywork and painting, collision repairs as well as handling of insurance claims.
Vehicle cleaning and upholstery repair
Interior vehicle cleaning and upholstery repair as supplementary vehicle detailing and refurbishment.
Commercial vehicle rental
Rental of Opel Vivaro Cargo in diesel and electric versions, half-day or per day, with specified cargo dimensions and mileage allowances.
Roof box rental
Rental of roof boxes in three different sizes for one week or two weeks.
Trust & reputation

ranQ Trust Score of Sonnenberg-Garage AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Sonnenberg-Garage AG scores 89.8 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.82.224%
  • 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.100.010%
  • 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%
Sonnenberg-Garage 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%
Sonnenberg-Garage 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%
Sonnenberg-Garage AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sonnenberg-Garage AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 61 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
4.7
of 5

Aggregated from 61 reviews across all connected sources

Sources
GGoogle4.761
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sonnenbergstrasse 22
8800 Thalwil
Opening hours
Mon
07:15 - 12:00, 13:15 - 18:30
Tue
07:15 - 12:00, 13:15 - 18:30
Wed
07:15 - 12:00, 13:15 - 18:30
Thu
07:15 - 12:00, 13:15 - 18:30
Fri
07:15 - 12:00, 13:15 - 17:30
Sat
09:00 - 13:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.045.432
Founded
1982 · 44 years
Last commercial register change
March 3, 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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