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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceAuto Repair ShopsGränichenStar Car Wash AG
Star Car Wash AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Star Car Wash AG operates a video-monitored double-portal car wash that is accessible 24/7. Services listed on the website include textile brush wash programs, four self-service lance bays, an osmose rinse for spot-free drying, vacuum stations, a drying blower, intensive wheel washing and a Super-Polish treatment, with on-site biological water treatment and recycling.

AI-generated
Offering

Products & services

Industry:Auto Repair Shops
✓ Offered4
Car wash programmes
Wash programmes and prices for car washing in the facility; payable in cash or by card, including a Happy Hour tariff at certain times.
Intensive wheel wash
Intensive wheel wash up to 23 inches with 4D technology and an angled wheel washing plate for optimal high-pressure sill washing.
Super polish
Super polish with a repair effect for the vehicle paint; long-term protection and diamond gloss, also suitable for cabriolets.
Articulated brush wash
Articulated brush wash with optimal contour detection, uniform contact pressure and gentle, efficient cleaning of the entire vehicle contour.
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4.3/5

Star Car Wash AG

Trust & reputation

ranQ Trust Score of Star Car Wash AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Star Car Wash AG scores 82.7 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.69.824%
  • 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%
Star Car Wash 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%
Star Car Wash 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%
Star Car Wash AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Star Car Wash AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 258 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
4.4
of 5

Aggregated from 258 reviews across all connected sources

Sources
GGoogle4.4258
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Schmiedgasse 18
5722 Gränichen
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-112.838.269
Founded
2006 · 20 years
Last commercial register change
November 16, 2018
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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