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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationSports & Recreation InstructionErlenbach ZhChef Satoko Otsu
Chef Satoko Otsu Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Chef Satoko Otsu offers cooking classes, catering, sake distribution and guided sake tastings focused on Japanese home-style cuisine. Classes are hands-on for small groups with a seasonal five-course menu, and services can be booked for private and corporate events.

AI-generated
Offering

Products & services

Industry:Sports & Recreation Instruction
✓ Offered4
Cooking Classes
Intimate Japanese cooking classes for private parties, corporate events, anniversaries and team-building; limited to 8 participants, seasonal five-course menu, selected dates.
Catering
Japanese home-style catering for private parties, corporate events and anniversaries; menus tailored to budget, dietary preferences and special requests, with optional sake pairing.
Sake Distribution
Curated Japanese sake selection for restaurants, hotels, corporate clients and private customers; purchase and tasting inquiries handled directly.
Sake Tasting
Guided sake tastings and workshops, including introduction workshops, group tastings with snacks, and private workshops with rare sakes and Japanese dinner.
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3.7/5

Chef Satoko Otsu

Trust & reputation

ranQ Trust Score of Chef Satoko Otsu: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Chef Satoko Otsu scores 53.9 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.60.724%
  • 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.40.910%
  • 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.50.08%
Chef Satoko Otsu scores 63.3 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.64.612%
  • 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%
Chef Satoko Otsu 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%
Chef Satoko Otsu scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Chef Satoko Otsu reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rietstrasse 9
8703 Erlenbach Zh

At a glance

Legal form
Sole proprietorship
UID
CHE-201.308.890
Founded
2021 · 5 years
Last commercial register change
August 5, 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.
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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