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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementWinterthurWalter Wittwer Immobilienberatungen AG
Walter Wittwer Immobilienberatungen AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Walter Wittwer Immobilienberatungen AG provides services for the development, marketing and management of residential and commercial properties. Services include sale of new-build and individual properties, project development, initial lettings, and commercial and technical property management, including condominium ownership (Stockwerkeigentum).

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Products & services

Industry:Property Management
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4.1/5

Walter Wittwer Immobilienberatungen AG

✓ Offered6
Property management
Commercial and technical property management for residential and commercial properties; administration and tenant support, budget planning, accounting, invoicing, operational safeguarding, maintenance and renewal.
Sale of individual properties
Marketing of individual residential and commercial properties; market value appraisal, sales documentation, market presence, sales processing and support with the property capital gains tax.
Sale of new-build projects
Marketing of new-build projects; market analysis, yield calculation, setting the sales price and rent, as well as notary clarifications and the establishment of Stockwerkeigentum.
First and individual letting
Initial letting and individual rental of residential and commercial properties; market and location analyses, floor plan design, rent setting, letting documents, lease agreements and handover of the property.
Real estate development
Support for real estate projects in development, planning and financing, as well as assistance with the necessary prerequisites for successful implementation.
Stockwerkeigentum
Administration of Stockwerkeigentum and collective forms of ownership according to customer requirements, including administrative and organisational support.
Trust & reputation

ranQ Trust Score of Walter Wittwer Immobilienberatungen AG: 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 Wittwer Immobilienberatungen 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%
Walter Wittwer Immobilienberatungen AG 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 Wittwer Immobilienberatungen 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%
Walter Wittwer Immobilienberatungen AG scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Wittwer Immobilienberatungen 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 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

Pflanzschulstrasse 3
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-102.760.393
Founded
1998 · 28 years
Last commercial register change
June 23, 2020
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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