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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageAarauWalter Zimmermann AG Immobilien
Walter Zimmermann AG Immobilien Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Walter Zimmermann AG Immobilien provides real estate services, including market-value appraisals and expert reports in the construction and property sector. The firm advises and assists private clients, groups of heirs and municipalities, handles property sales and develops building projects as whole projects or in stages.

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Offering

Products & services

Industry:Real Estate Brokerage
✓ Offered4
Real estate advisory and sales
Real estate consulting and sale for private individuals, heirs’ communities and municipalities; competent advice, support and solutions in the real estate sector.
Market value appraisals and expert reports
Market value appraisals and expert reports in the construction and real estate sector for properties and construction projects.
Development of construction projects
Development of construction projects as a whole or in phases for landowners and developers.
Real estate solutions and support
Advice and support for real estate solutions for private individuals, heirs’ communities and municipalities.
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4.1/5

Walter Zimmermann AG Immobilien

Trust & reputation

ranQ Trust Score of Walter Zimmermann AG Immobilien: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Walter Zimmermann AG Immobilien 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%
Walter Zimmermann AG Immobilien scores 85.5 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.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.55.07%
Walter Zimmermann AG Immobilien 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%
Walter Zimmermann AG Immobilien scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Zimmermann AG Immobilien 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 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

Laurenzenvorstadt 25
5000 Aarau

At a glance

Legal form
Corporation
UID
CHE-101.476.937
Founded
2000 · 26 years
Last commercial register change
March 2, 2026
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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