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

About the company

Baugenossenschaft Oberstrass is a non-profit housing cooperative that develops, maintains and rents affordable homes, usually to its members. It also rents out parking spaces, commercial premises, storage rooms and other ancillary spaces.

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Service area

Offering

Products & services

Industry:Housing cooperative
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4.2/5

Baugenossenschaft Oberstrass

✓ Offered5
Cooperative housing
Affordable housing in around 400 apartments in District 6, with non-profit housing, participation of cooperative members and sustainable neighbourhood development.
Rental of apartments and ancillary rooms
Rental of apartments, (E-)parking spaces, commercial, storage and hobby/work rooms; newly vacant properties are allocated and advertised in accordance with the rental regulations.
Rental of the community room
Rental of a community room for up to 60 people with kitchen, crockery, tables, chairs, storage room and WC facilities, also for neighbourhood residents from District 6.
Construction and renovation
Planning and implementation of renovation and new-build projects, scheduled over time within redevelopment projects such as Langmauer-/Scheuchzerstrasse and Untere Winterthurerstrasse.
Sustainability projects
Nature-oriented design and maintenance of outdoor areas, energy-efficient renovations, measures aligned ecologically, socially and economically, as well as projects for biodiversity and resource-conserving practices.
Trust & reputation

ranQ Trust Score of Baugenossenschaft Oberstrass: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Baugenossenschaft Oberstrass scores 69.2 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.74.424%
  • 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.49.510%
  • 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.78.08%
Baugenossenschaft Oberstrass 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 Oberstrass 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 Oberstrass scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baugenossenschaft Oberstrass reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Winterthurerstrasse 123
8006 Zurich
Opening hours
Mon
09:00 - 11:00
Tue
09:00 - 11:00
Wed
09:00 - 11:00
Thu
09:00 - 11:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Cooperative
UID
CHE-101.250.008
Founded
1923 · 103 years
Last commercial register change
August 18, 2026
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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