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

About the company

The core activity of Rosser GmbH is vehicle electrical and electronics, including repairs, installations and the sale of spare parts for vehicles, in particular electric vehicles.

AI-generated
Offering

Products & services

Industry:Auto Repair Shops
✓ Offered4
Vehicle electrics
Repairs to the electrical system of classic cars, leisure vehicles and vehicles of all makes; servicing of components, installation of electrical accessories, diagnostics and restoration of wiring harnesses.
Automotive electronics
Repairs to electronic control units, comfort accessories and monitoring systems; reading out fault messages, fault localization as well as installation of electronic devices in new and used cars.
Installation of safety and monitoring systems
Alarm systems, immobilizers, reversing warning systems, tracking systems and reversing cameras; advice on parking aids and vehicle-specific adaptation.
Electric vehicles
Sales, maintenance and repairs for electric vehicles; model specifications and technical data for a road-approved electric vehicle including accessories and range details.
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4.4/5

Rosser GmbH

Trust & reputation

ranQ Trust Score of Rosser GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Rosser GmbH scores 91.0 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.88.824%
  • 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.93.210%
  • 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%
Rosser GmbH scores 83.0 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%
Rosser GmbH 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%
Rosser GmbH 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

Rosser GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 38 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 38 reviews across all connected sources

Sources
GGoogle4.938
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Muristrasse 64
3006 Bern
Opening hours
Mon
08:00 - 12:00, 13:15 - 18:00
Tue
08:00 - 12:00, 13:15 - 18:00
Wed
08:00 - 12:00, 13:15 - 18:00
Thu
08:00 - 12:00, 13:15 - 18:00
Fri
08:00 - 12:00, 13:15 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.201.428
Founded
1999 · 27 years
Last commercial register change
April 16, 2019
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.
88.0
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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