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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryAgriculture & ForestryOrganic FarmsAarau RohrBiofischzucht Nadler AG
Biofischzucht Nadler AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Biofischzucht Nadler AG breeds organic trout and Atlantic salmon and supplies fresh whole fish, fillets and smoked fish products. Production is certified according to BIO SUISSE Knospe guidelines and follows organic husbandry measures—stream‑like tanks, low stocking densities, organic feed, and no preventive antibiotics or GMOs—and the company supplies restaurants and bulk buyers and offers direct sales.

AI-generated
Trust & reputation

ranQ Trust Score of Biofischzucht Nadler AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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4.3/5

Biofischzucht Nadler AG

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Data basis 100% · As of October 2026

Biofischzucht Nadler AG scores 88.3 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.84.624%
  • 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.91.810%
  • 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.95.08%
Biofischzucht Nadler AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Biofischzucht Nadler AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Biofischzucht Nadler AG scores 23.5 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.13.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

Biofischzucht Nadler AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 36 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 36 reviews across all connected sources

Sources
GGoogle4.836
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 17, 2024Media
Aarau: Bio-Fischzucht Nadler muss Rohrer Giessen revitalisieren
aargauerzeitung.ch
April 30, 2024Media
Der erste Schweizer Bio-Lachs könnte schon bald aus dem Aargau kommen – trotz Hürden des Kantons
aargauerzeitung.ch
February 15, 2023Media
Fischzucht Nadler: Nachfrage nach Biofischen zuletzt gesunken – jetzt will der Betrieb auf eine zweite Fischart setzen
aargauerzeitung.ch

Knowledge

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Location

Bibersteinerstrasse 6
5032 Aarau Rohr
Opening hours
Mon
Closed
Tue
Closed
Wed
Closed
Thu
Closed
Fri
13:30 - 17:30
Sat
09:15 - 12:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.675.490
Founded
2007 · 19 years
Last commercial register change
January 18, 2021
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%

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