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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryReal EstateProperty managementWinterthurGanzImmo AG
GanzImmo AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GanzImmo AG provides services related to real estate. Its activities include property development, management, marketing and valuation, as well as advice and assistance with purchases, sales, initial lettings, renovations and refurbishments.

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Service area

Offering

Products & services

Industry:Property management
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GanzImmo AG

Real estate agent
Property developer
✓ Offered9
Property Management
Management of rental and strata ownership properties, including establishment of strata ownership, calculation of value quotas, by-laws, rental calculations, as well as repairs and renovations.
Real Estate Marketing
Marketing of land and real estate for sale, for first lettings, as well as support and advice for the purchase of land up to the conclusion of the contract.
Real Estate Valuation
Determination of the market value appropriate to the engagement for land and real estate using customary market valuation methods and approaches.
Real Estate Development
Advisory services for new builds and conversions, client builder advisory services, and taking over legal work such as land register mutations, entries of notices, registration reservations, easements, as well as the establishment of co-ownership and strata ownership.
General Real Estate Advisory Services
Advice and support for re-letting, rent calculations, refurbishment, renovation, acceptance and handover of the property, as well as for questions regarding inheritance communities and property transfers.
Search Assignment
Entering search criteria in the broker database for rental or purchase properties so that interested parties can be contacted with suitable offers.
Rental Properties
Let rental property listings in various property types, advertised on the website for rent.
Properties for Sale
Real estate listings advertised for sale, presented on the website as properties for purchase.
Renting Ancillary Properties
Rental of ancillary properties such as parking spaces, single garages, motorcycle parking spaces and storage spaces in various localities.
Trust & reputation

ranQ Trust Score of GanzImmo AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

GanzImmo AG scores 65.8 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.55.824%
  • 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.72.110%
  • 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.88.08%
GanzImmo 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%
GanzImmo 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%
GanzImmo AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GanzImmo AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 16 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
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle416
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Buchackerstrasse 123
8400 Winterthur
Opening hours
Mon
08:00 - 11:30, 13:30 - 16:30
Tue
08:00 - 11:30, 13:30 - 16:30
Wed
08:00 - 11:30, 13:30 - 16:30
Thu
08:00 - 11:30, 13:30 - 16:30
Fri
08:00 - 11:30, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.151.250
Founded
1977 · 49 years
Last commercial register change
December 5, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • ZHZurich
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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