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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryRetail & CommerceCommodity traderZurichOsterwalder Zürich AG
Osterwalder Zürich AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Osterwalder Zürich AG supplies heating oil, fuels, lubricants and de-icing products. Its services also include fuel cards, tank cleaning, energy advice and heating-oil delivery services.

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Offering

Products & services

Industry:Commodity trader
✓ Offered
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Osterwalder Zürich AG

9
Heating oil
Order heating oil and have it delivered, including a daily updated price calculator, individual quotation, delivery in the Zurich region, and service for the system.
AVIA fuels
Petrol, diesel, unleaded 95, unleaded 98, hydrogen, Ecosave Premium Diesel and HVO 100 at AVIA fuel stations, with the appropriate fuel for different vehicle types.
AVIA fuel card
Fuel card for private individuals and companies with special conditions, fuel discount, cashless purchases in the AVIA shop, monthly billing, and cross-acceptance at Enilive Suisse.
AVIA charging card
Charging card and app for charging at charging points in Switzerland and Europe; offered as a complementary mobility solution in the forecourt/charging-station area.
Hydrogen filling stations
Hydrogen filling stations at selected locations with a filter in the station finder; offered as a sustainable, renewable fuel alternative.
Tank cleaning
Tank cleaning as a heating oil service for maintenance and to keep the heating system running.
Oilfox service
Peace-of-mind service with tank level information and appointment scheduling, so the tank can be refilled on time.
Energy consulting
Consulting on heating oil and energy consumption, as well as support in selecting the right heating oil offer.
On-call service
On-call service for rapid help when it has to be handled at short notice.
Trust & reputation

ranQ Trust Score of Osterwalder Zürich AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of November 2026

Osterwalder Zürich AG scores 71.8 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.61.424%
  • 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.83.810%
  • 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.88.08%
Osterwalder Zürich AG scores 94.3 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.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.90.07%
Osterwalder Zürich AG scores 86.7 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).86.722%
Osterwalder Zürich AG scores 48.6 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 35.97.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Osterwalder Zürich AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 26 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.226
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 16, 2022Media
FCRJ-Liberi Tankkarte für guten Zweck
linth24.ch

Knowledge

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Location

Neunbrunnenstrasse 40
8050 Zurich
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.837.454
Founded
1974 · 52 years
Last commercial register change
August 21, 2026
Employees
51 to 100
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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