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

About the company

Baugenossenschaft GISA is a non-profit building and housing cooperative that is politically and religiously neutral. It provides healthy, affordable housing for people from different population groups and promotes community life; it also offers shared spaces and a loan fund.

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4.1/5

Baugenossenschaft GISA

Industry:
Housing cooperative
✓ Offered4
Rental of apartments
Rental of affordable housing in the Affoltern and Oerlikon settlements; 2- to 6.5-room apartments, terraced single-family houses and maisonette apartments.
Renting community rooms
Rental of community rooms for internal and external use; Lounge Wohnstadion 4 and community room Kirchenackerweg 29 with kitchen, wheelchair WC, and a reservation request by email.
Lending fund
Lending fund for members of the cooperative; investment under terms with the currently stated interest rate, account opening via the administration, and regulatory documents.
Cooperative services and benefits
Information on GISA benefits, participation, transparent rental principles, community activities, and co-determination within the construction cooperative.
Trust & reputation

ranQ Trust Score of Baugenossenschaft GISA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Baugenossenschaft GISA scores 57.4 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.53.924%
  • 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.55.910%
  • 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.70.08%
Baugenossenschaft GISA scores 91.6 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.82.07%
Baugenossenschaft GISA scores 86.7 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).86.722%
Baugenossenschaft GISA scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baugenossenschaft GISA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 8 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
3.8
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.88
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Kirchenackerweg 29
8050 Zurich

At a glance

Legal form
Cooperative
UID
CHE-107.838.424
Founded
1946 · 80 years
Last commercial register change
November 14, 2025
Employees
21 to 50

Active in 1 of 26 cantons · 1 municipality

  • 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.
97.0
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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