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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantsGrenchenOishii Sushi & Asian Kitchen GmbH
Oishii Sushi & Asian Kitchen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Oishii Sushi & Asian Kitchen is the operation of a Japanese and Asian restaurant in Grenchen, Switzerland. The company offers a variety of food and beverages, including sushi, Asian dishes, and takeaway options. It also provides online ordering and delivery services through partner companies such as Just Eat and Uber Eats. Additionally, the company offers special promotions and discounts, such as 'Happy Days' with 20% discount on specific days of the week.

AI-generated
Offering

Products & services

Industry:Restaurants
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4.0/5

Oishii Sushi & Asian Kitchen GmbH

✓ Offered9
Restaurant
Japanese and Asian restaurant with lunch and dinner service, Sushi & Asian Kitchen, seating on site.
Menu / Menu card
Asian food, Japanese dishes, sushi offerings, ramen, rice and pasta dishes, children's meals, as well as various starters and main courses.
Japanese All-you-can-eat
À-discretion offer for lunch and dinner with Japanese dishes, orderable via iPad, with price tiers for adults and children.
Takeaway
Takeaway offers with pickup on site, including 10% discount on self-collection, and dishes that can be ordered online.
Online ordering / delivery
Order online via Just Eat or Uber Eats with delivery to your home.
Table reservation
Table reservations online with details including name, e-mail, phone number, number of people, date, time and message.
Wine list
Selection of wines as a separate drinks card for the menu.
Lunch à discrétion
Lunch à-discretion offer with Japanese dishes, 2.5 hours ordering time, and price per person.
Dinner à discrétion
Evening à-discretion offer with Japanese dishes, 2.5 hours ordering time, and price per person.
Trust & reputation

ranQ Trust Score of Oishii Sushi & Asian Kitchen GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Oishii Sushi & Asian Kitchen GmbH scores 70.9 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.50.824%
  • 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.100.010%
  • 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%
Oishii Sushi & Asian Kitchen GmbH scores 67.8 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%
Oishii Sushi & Asian Kitchen 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%
Oishii Sushi & Asian Kitchen 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

Oishii Sushi & Asian Kitchen GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 177 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 177 reviews across all connected sources

Sources
GGoogle4177
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Girardstrasse 19
2540 Grenchen
Opening hours
Mon
11:30 - 15:00, 17:00 - 22:30
Tue
11:30 - 15:00, 17:00 - 22:30
Wed
11:30 - 15:00, 17:00 - 22:30
Thu
11:30 - 15:00, 17:00 - 22:30
Fri
11:30 - 15:00, 17:00 - 22:30
Sat
11:30 - 15:00, 17:00 - 22:30
Sun
11:30 - 15:00, 17:00 - 22:30

At a glance

Legal form
Limited Liability Company
UID
CHE-193.902.037
Founded
2021 · 5 years
Last commercial register change
December 18, 2024
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.88.06%
  • 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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