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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFinancial ServicesBaselADRIAN MUELLER IMMO-TREUHAND AG
ADRIAN MUELLER IMMO-TREUHAND AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ADRIAN MUELLER IMMO-TREUHAND AG is a real estate service provider focusing on property management, letting, sales and valuation. The company also provides advice on real estate matters and services for residential, commercial and condominium properties.

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Offering

Products & services

Industry:Financial ServicesProperty Management
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3.8/5

ADRIAN MUELLER IMMO-TREUHAND AG

Real Estate Brokerage
Real Estate Project Development
✓ Offered5
Property management
Management of residential and commercial properties and condominium communities, including letting administration, maintenance, bookkeeping, heating and ancillary cost statements, collections and meeting administration.
Letting service
Initial and special letting with letting concepts, landlord advice on rent setting, documentation, viewings, reference checks, tenancy agreements, handover and defect coordination.
Real estate sales
Sale of single-family homes, condominiums, multi-family houses, commercial properties, land parcels and new-build projects, including advice, valuation and marketing.
Property valuation
Market-based property valuation for single-family homes, multi-family houses, condominiums, building-right parcels and commercial properties.
Real estate advisory
Advice on property law, purchase price assessment, financing, property and renovation strategies, performance ratios and yield potential, plus client support and construction trusteeship.
Trust & reputation

ranQ Trust Score of ADRIAN MUELLER IMMO-TREUHAND AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

ADRIAN MUELLER IMMO-TREUHAND 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%
ADRIAN MUELLER IMMO-TREUHAND AG scores 53.4 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.25.012%
  • 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%
ADRIAN MUELLER IMMO-TREUHAND 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%
ADRIAN MUELLER IMMO-TREUHAND AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ADRIAN MUELLER IMMO-TREUHAND AG reaches a ranQ Trust Score of 3.8 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

Viaduktstrasse 65
4054 Basel

At a glance

Legal form
Corporation
UID
CHE-410.169.223
Founded
2025 · 1 year
Last commercial register change
December 2, 2025
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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