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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageSuhrKellermüller Partner AG
Kellermüller Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kellermüller Partner AG provides real estate trustee services including sales of condominiums, single-family houses, building land and investment properties, as well as rental services, residential property management, condominium administration, project analyses and practical market-value appraisals. Management activities are carried out via Kellermüller Immobilien AG with the same contacts; the market area covers Aargau and neighbouring municipalities in the canton of Solothurn.

AI-generated
Offering

Products & services

Industry:Real Estate Brokerage
✓ Offered5
Real estate sales
Sale of condominiums, single-family houses, terraced houses, farmhouses, building land and multi-family houses on a pure success-fee basis.
Letting and management of residential properties
Initial and renewed letting of rental properties including all related administrative activities.
Condominium ownership management
Support for newly formed condominium owners’ communities and assumption of mandates for existing STWEG.
Project analyses and development
Project-related analyses and support during the planning phase, so that the right decisions are made and the final product meets the market.
Market value appraisals
Practical market value appraisals with an achievable value close to the market; free of charge with a subsequent sales mandate.
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4.5/5

Kellermüller Partner AG

Trust & reputation

ranQ Trust Score of Kellermüller Partner AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Kellermüller Partner AG scores 87.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.81.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.96.210%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Kellermüller Partner AG scores 85.5 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.55.07%
Kellermüller Partner AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).85.022%
Kellermüller Partner AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kellermüller Partner AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 43 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 43 reviews across all connected sources

Sources
GGoogle4.743
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Frohdörfli 2A
5034 Suhr

At a glance

Legal form
Corporation
UID
CHE-105.016.664
Founded
1999 · 27 years
Last commercial register change
July 24, 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.
100.0
6%
  • 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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