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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementBaselGreySky Residential Properties Iota AG
GreySky Residential Properties Iota AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GreySky Residential Properties Iota AG is a Swiss real estate company focused on building and managing a residential property portfolio in Switzerland. Its activities centre on residential buildings in central urban locations and in the surrounding areas of major Swiss agglomerations.

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Products & services

Industry:Property Management
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4.0/5

GreySky Residential Properties Iota AG

3
Real Estate Portfolio Building
Building a residential real estate portfolio in Switzerland, with a focus on central urban locations and outskirts of Swiss metropolitan areas.
Property Management (Manage to Core)
Sustainable optimization of properties through lower operating costs, vacancies and risks, plus value creation and development in the residential segment.
Real Estate Acquisition and Financing
Acquisition and financing of residential properties, supported by long-standing experience, market knowledge and a local network for off-market transactions.
Trust & reputation

ranQ Trust Score of GreySky Residential Properties Iota AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

GreySky Residential Properties Iota 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.
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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%
GreySky Residential Properties Iota AG scores 70.4 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • 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%
GreySky Residential Properties Iota AG scores 83.3 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).83.322%
GreySky Residential Properties Iota AG scores 11.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GreySky Residential Properties Iota AG reaches a ranQ Trust Score of 4.0 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 54%, 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.

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Location

Lange Gasse 15
4052 Basel

At a glance

Legal form
Corporation
UID
CHE-239.889.366
Founded
2021 · 5 years
Last commercial register change
November 24, 2023
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.100.06%
  • 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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