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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - General Specialty TradeFrauenfeldY. Osterwalder
Y. Osterwalder Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Y. Osterwalder supplies mineral oil products, operates fuel stations and charging services, and offers additional services in car care, renewable energy, building technology, real estate and sewer cleaning. The company sells heating oil, fuels and lubricants, and also provides an online shop and customer service.

AI-generated
Offering

Products & services

Industry:Wholesale - General Specialty Trade
✓ Offered7
Mineral oil products
Heating oil, fuels and lubricants for the region; advice, product quality, service and heating-oil quotations.
Filling stations
A filling-station network with over 500 locations, a station directory, SPAR express shops, AVIA cards and AVIA VOLT offers for e-mobility.
Car care
Car care and car-wash systems with Auto-SPA; washing facilities for multiple vehicles and high throughput capacity.
Renewable energy
Energy projects with hydrogen, AVIA Solar and solutions covering wind, sun and water.
Building services
Bathroom renovations, conversions, heating upgrades, air conditioning, charging stations, photovoltaic systems and e-mobility.
Real estate
Property management, trading and brokerage of real estate as well as services related to property matters.
Drain cleaning
Drain cleaning, sewer inspection, sewer rehabilitation, road cleaning and disposal.
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4.0/5

Y. Osterwalder

Trust & reputation

ranQ Trust Score of Y. Osterwalder: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Y. Osterwalder scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Y. Osterwalder scores 78.5 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%
Y. Osterwalder 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%
Y. Osterwalder scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Y. Osterwalder reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Langäcker 40
8500 Frauenfeld

At a glance

Legal form
Sole proprietorship
UID
CHE-110.023.210
Founded
2003 · 23 years
Last commercial register change
April 29, 2003
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.
67.0
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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