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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryReal EstateReal estate agentSt. GallenGEMAG Gebrüder Müller AG
GEMAG Gebrüder Müller AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

GEMAG Gebrüder Müller AG provides real estate marketing and management services. Its activities include brokerage of residential and commercial properties, property and condominium association management, rental services, real estate advice, and support with property purchases and sales.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Real estate agent
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4.4/5

GEMAG Gebrüder Müller AG

✓ Offered2
Property sales
Sale of residential and investment properties, including villas, houses, apartments, terraced houses, multi-family homes, building plots, and selected off-market properties.
Property management
Management of properties, including contract implementation, performance of property administration, and invoicing within contact and contractual relationships.
Trust & reputation

ranQ Trust Score of GEMAG Gebrüder Müller AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of November 2026

GEMAG Gebrüder Müller AG scores 84.9 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.73.624%
  • 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.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%
GEMAG Gebrüder Müller AG scores 89.3 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.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.70.07%
GEMAG Gebrüder Müller AG scores 88.3 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).88.322%
GEMAG Gebrüder Müller AG scores 34.3 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 35.48.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

GEMAG Gebrüder Müller AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 61 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 61 reviews across all connected sources

Sources
GGoogle4.561
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 14, 2020Media
GEMAG-Apéro 2020
leaderdigital.ch
November 18, 2017Media
Patric u. Jérôme Müller (neu)
tagblatt.ch

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Location

Rorschacher Strasse 150
9000 St. Gallen
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.782.369
Founded
2010 · 16 years
Last commercial register change
June 29, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • SGSt. Gallen
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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