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

About the company

Steiner AG is a Swiss company that was active in real estate development and as a general contractor. The website currently provides information about the insolvency proceedings, creditors' meetings and related legal steps concerning the company.

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Service area

Offering

Products & services

Industry:Property developer
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Steiner AG

✓ Offered2
Real estate development
Real estate development with transfer of development business, contracts, personnel, systems and services; earlier TU-/GU projects and project companies have been spun off or sold.
Real estate project development
Project development for residential construction, commercial, hotel and infrastructure projects; realised projects include housing developments, commercial properties, hotels, universities, schools, hospitals and public buildings.
Trust & reputation

ranQ Trust Score of Steiner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of November 2026

Without public customer reviews the score stays capped.

Steiner AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Steiner AG scores 98.5 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.96.07%
Steiner AG 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%
Steiner AG scores 81.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.63.34%
Qualifications+0.00

Steiner AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

June 27, 2025Media
150 Stellen weg, Millionenverluste, 110 Jahre Geschichte ausradiert: So zerfiel Steiner AG
nzz.ch
February 13, 2025Media
Steiner AG in definitiver Nachlassstundung
zuerioberland24.ch
December 20, 2024Media
Genfer Immobilienentwickler übernimmt Steiner Development AG
immobilienbusiness.ch
December 20, 2024Media
Deal in Zürcher Baubranche: Steiner AG ist gerettet – vielen Handwerkern drohen hohe Verluste
tagesanzeiger.ch
June 7, 2024Media
Steiner AG beantragt Nachlassstundung
blick.ch
June 7, 2024Media
Mayday, Mayday: Wen reisst die Steiner AG mit in die Tiefe?
insideparadeplatz.ch
June 6, 2024Media
Immobilien: Steiner AG beantragt Nachlassstundung wegen Liquiditätsengpass
srf.ch

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Location

Thurgauerstrasse 80
8050 Zurich

At a glance

Legal form
Corporation
UID
CHE-101.564.731
Founded
1980 · 46 years
Last commercial register change
August 11, 2026
Employees
101 to 500

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.95.03%
    • Full methodology

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