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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 Immobilien AG
GEMAG Immobilien AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GEMAG Immobilien AG brokers and markets residential and commercial properties, including selected listings. The company also provides property and asset management services such as commercial and technical administration, lettings, tenancy‑law advice, property search and the establishment of condominium ownership.

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Service area

Offering

Products & services

Industry:Real estate agent
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GEMAG Immobilien AG

✓ Offered7
Real estate marketing
Comprehensive marketing of real estate, taking over the entire sales process, initial consultation, support through to the signing of the contract and beyond, for properties in Eastern Switzerland and the Zurich region.
Sale of residential properties
Marketing of apartments, single-family homes, terraced single-family houses, townhouses, villas, maisonette and attic apartments, as well as new-build projects in the residential segment.
Sale of income-producing and commercial properties
Marketing of multi-family houses, residential and mixed-use buildings, office buildings, commercial premises, development land parcels and investment properties for investors.
Property management
Commercial and technical management of residential and commercial properties as well as condominium owner associations, including value maintenance, maintenance, initial and re-letting.
Tenancy law advisory
Advisory on tenancy law issues related to the management and letting of residential and commercial properties.
Property search
Support in finding suitable properties as part of the marketing and sales process.
Realisation of condominium ownership by unit
Support during the realisation of condominium ownership formations in the context of real estate projects.
Trust & reputation

ranQ Trust Score of GEMAG Immobilien AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

GEMAG Immobilien 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 Immobilien AG scores 74.8 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.75.012%
  • 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%
GEMAG Immobilien AG scores 86.7 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).86.722%
GEMAG Immobilien AG scores 48.6 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GEMAG Immobilien AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 61 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. 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.

Knowledge

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Comparisons

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Location

Rorschacher Strasse 150
9006 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-302.112.166
Founded
2019 · 7 years
Last commercial register change
April 8, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • 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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