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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryPublic Administration & EducationDriving & Flight SchoolsChurGrischa WAB AG
Grischa WAB AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Grischa WAB AG is the implementation of driving training and further education courses for motorcyclists and car drivers, in particular the so-called WAB course (skid course), which is a compulsory further education for vehicle drivers. The company also offers rental vehicles for these courses and rents out its premises for events such as vehicle meetings.

AI-generated
Offering

Products & services

Industry:Driving & Flight Schools
✓ Offered4
WAB courses
Mandatory WAB courses with a practice-oriented programme on driving physics and road safety; offered as WAB weekday course and WAB Saturday course in Chur.
Driving safety training for car & motorcycle
Voluntary short driving trainings for cars and motorcycles, tailored individually for companies, associations, clubs or customer events.
Rental vehicles
Rental vehicles for the duration of the WAB course; available with automatic transmission, and on request also with manual transmission.
Events and site rental
Site rental for small events, meetings, classic car meets and customised occasions for companies or clubs.
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4.6/5

Grischa WAB AG

Trust & reputation

ranQ Trust Score of Grischa WAB AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Grischa WAB AG scores 94.9 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.92.724%
  • 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.95.08%
Grischa WAB AG scores 88.3 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.97.712%
  • 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.70.07%
Grischa WAB 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%
Grischa WAB AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grischa WAB AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 120 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
4.9
of 5

Aggregated from 120 reviews across all connected sources

Sources
GGoogle4.9120
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Sommeraustrasse 21
7000 Chur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
08:00 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-486.629.317
Founded
2012 · 14 years
Last commercial register change
October 31, 2012
Employees
11 to 20
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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