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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantWeinfeldenSiemis Gastro GmbH
Siemis Gastro GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Siemis Gastro GmbH operates the Siemis Restaurant, serving à la carte dishes as well as lunch and tasting menus. The restaurant uses regional products in its cooking.

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Presence

Service area

Offering

Products & services

Industry:Restaurant
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4.2/5

Siemis Gastro GmbH

✓ Offered4
Restaurant operation
Restaurant with creative, fresh cuisine, regional products and seasonal opening hours; reservations, lunch and evening service.
À la carte menu
À la carte dishes with starters, intermediate courses, main courses and desserts; including head lettuce, salmon tataki, beef, dal and various desserts.
Lunch menu
Lunch menu with changing dishes for service at lunchtime, run separately from the evening offering.
Tasting menu
Tasting menu as a multi-course culinary offering, listed separately from the evening and lunch menu.
Trust & reputation

ranQ Trust Score of Siemis Gastro GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of November 2026

Siemis Gastro GmbH scores 88.8 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.87.824%
  • 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.78.08%
Siemis Gastro GmbH scores 65.0 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.58.012%
  • 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%
Siemis Gastro GmbH scores 88.3 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).88.322%
Siemis Gastro GmbH scores 19.0 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 35.8.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Siemis Gastro GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 104 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 104 reviews across all connected sources

Sources
GGoogle4.8104
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 26, 2026Media
Weinfelder: Neues Wirtepaar übernimmt das «Siemis» ab 1. April
thurgauerzeitung.ch
March 5, 2025Media
Weinfelden: Gourmetkoch Hugo Miranda kündigt im Siemis Restaurant
thurgauerzeitung.ch

Knowledge

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Comparisons

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Location

Frauenfelderstrasse 3
8570 Weinfelden
Opening hours
Mon
Closed
Tue
11:30 - 14:00, 17:00 - 23:00
Wed
11:30 - 14:00, 17:00 - 23:00
Thu
11:30 - 14:00, 17:00 - 23:00
Fri
11:30 - 14:00, 17:00 - 23:00
Sat
10:00 - 14:00, 17:00 - 23:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-357.970.110
Founded
2022 · 4 years
Last commercial register change
February 11, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGWeinfelden
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.
88.0
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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