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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantsErmatingenLuzia & Myrtha Graf AG
Luzia & Myrtha Graf AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Luzia & Myrtha Graf AG operates Restaurant Seegarten and offers traditional Swiss cuisine with a focus on fish specialties. The operators use regional ingredients and source fish from the Untersee, including catches supplied by a local professional fisherman.

AI-generated
Offering

Products & services

Industry:Restaurants
✓ Offered4
Restaurant operations
Traditional Swiss cuisine with regional twists, fresh salads and desserts; hot food served throughout, also for smaller occasions and celebrations in the restaurant, Stübli, Schüür and Gartenwirtschaft.
Fish dishes from Lake Untersee
Freshly prepared fish dishes depending on the day’s catch, exclusively with fish from Lake Untersee; complemented by regional ingredients and information about sustainable professional fishing.
Restaurant with terrace and adjoining rooms
Catering in the restaurant, the lovely Stübli, Schüür and Gartenwirtschaft for family outings, day guests, hikers, as well as smaller occasions and celebrations.
Reservations and telephone enquiries
Reservations and enquiries are handled exclusively by telephone; contact details are provided via the phone number and e-mail address on the website.
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4.5/5

Luzia & Myrtha Graf AG

Trust & reputation

ranQ Trust Score of Luzia & Myrtha Graf AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Luzia & Myrtha Graf AG scores 91.0 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.84.224%
  • 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.100.08%
Luzia & Myrtha Graf AG scores 85.5 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.55.07%
Luzia & Myrtha Graf AG 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%
Luzia & Myrtha Graf AG scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Luzia & Myrtha Graf AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 256 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
4.7
of 5

Aggregated from 256 reviews across all connected sources

Sources
GGoogle4.7256
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Untere Seestrasse 39
8272 Ermatingen
Opening hours
Mon
Closed
Tue
Closed
Wed
Closed
Thu
08:30 - 22:30
Fri
08:30 - 22:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.789.147
Founded
2010 · 16 years
Last commercial register change
July 16, 2012
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%
    • Full methodology

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