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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageZurichKalkbreiten AG
Kalkbreiten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kalkbreiten AG develops and manages affordable housing combined with commercial and cultural spaces. The organisation manages properties, operates guesthouses and shared facilities, and runs membership-based rental and participatory governance processes.

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Products & services

Industry:Real Estate Brokerage
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4.4/5

Kalkbreiten AG

Real estate management
Real estate management for residential and commercial properties, including administrative management, technical building caretaking, cleaning and handling of rental contracts.
Residential letting
Letting of vacant apartments to cooperative members, including a call for applications, viewings, applications, preselection, discussions with neighbours and allocation according to letting criteria.
Commercial letting
Call for applications and allocation of commercial spaces, managed by an in-house commercial letting committee and linked to the business mix in the properties.
Housing support and self-organisation
Participatory support for living and cohabitation, with involvement in committees, the general assembly, member information and self-organisation of the tenant community.
Solidarity fund
Financial support for rent, share capital and housing-related invoices in case of temporary hardship, with application forms and advice provided by the management office.
Guesthouse bookings
Room bookings in the Kalkbreite and Zollhaus guesthouses, including a member discount on bookings.
Flexible meeting rooms
Bookable meeting rooms at the Kalkbreite and Zollhaus locations, with a member discount and the setup of a user account before the first booking.
Ombuds office
Confidential conflict counselling, discussion moderation, mediation and group-specific support in conflict management for members, tenants, employees and committees.
Share capital
Membership with subscription to share capital, including information on available apartments, invitation to the general assembly, a members newsletter and a discount on guesthouse and meeting room bookings.
Trust & reputation

ranQ Trust Score of Kalkbreiten AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Kalkbreiten AG scores 84.0 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.95.08%
Kalkbreiten AG scores 76.6 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.79.212%
  • 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%
Kalkbreiten AG scores 85.0 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).85.022%
Kalkbreiten AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kalkbreiten 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 62 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 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 62 reviews across all connected sources

Sources
GGoogle4.562
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zweierstrasse 132
8003 Zurich

At a glance

Legal form
Corporation
UID
CHE-231.967.525
Founded
2018 · 8 years
Last commercial register change
November 14, 2024
Employees
1 to 10
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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