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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementZurichImmobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS)
Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the management and administration of real estate, in particular school buildings and properties, within the framework of the Rudolf Steiner schools in Zurich and Winterthur.

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Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS)

Offering

Products & services

Industry:Property Management
✓ Offered6
Operation and leasing of school facilities
Operation of properties at cost price, offering the most favourable lease possible to user schools, and support for Rudolf Steiner Schule Zürich, Rudolf Steiner Schule Winterthur and Atelierschule Zürich.
Maintenance, renewal and construction of school facilities
Maintenance, renovation and new build of school facilities in Zurich and Winterthur, including refurbishments, school buildings, workshop house, laboratory building and other campus structures.
Campus Platte development
Phased site expansion and modernisation of Campus Platte with new buildings, renovation of existing structures and long-term site development for school operations.
Construction project: kindergartens and Kitas on Bungertweg
New site for the pre-school level with kindergartens, Kitas and a baby group at Bungertweg 9; expansion of the pre-school offering of Rudolf Steiner Schule Zürich.
New build: Atelierschule school building
New build at Plattenstrasse 50 with classrooms, group rooms and a common room for the Atelierschule; creates additional school space and relieves the existing site.
School portfolio management
Portfolio of several school facilities in Zurich and Winterthur, including the main building, schoolhouse, kindergarten, workshop house, laboratory building and the Winterthur ensemble.
Trust & reputation

ranQ Trust Score of Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS): 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) scores 58.0 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.68.224%
  • 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.17.610%
  • 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%
Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) scores 88.4 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.92.512%
  • 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%
Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) scores 85.0 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).85.022%
Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Immobilienstiftung Rudolf Steiner Schulen Zürich (ImmoRSS) reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Plattenstrasse 39
8032 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Foundation
UID
CHE-256.012.571
Founded
2014 · 12 years
Last commercial register change
September 23, 2026
Employees
21 to 50
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.97.06%
  • 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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