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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementSchaffhausenonesta Immobilien Treuhand AG
onesta Immobilien Treuhand AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of onesta Immobilien Treuhand AG is the marketing, management and valuation of all types of real estate, including the sale and rental of residential and commercial properties, as well as the provision of services in the field of real estate management and valuation.

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Products & services

Industry:Property Management
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4.4/5

onesta Immobilien Treuhand AG

✓ Offered5
Property sales and marketing
Property sales for single-family homes, condominiums, apartment buildings, land, new-build projects and residential, commercial, industrial and mixed-use properties; including valuation, marketing, negotiation and purchase contract closing.
Property management and letting
Management of residential and commercial properties, condominium ownership and individual units; including financial and technical administration, property accounting, heating and ancillary cost statements, and first and repeat lettings.
Property valuation
Valuation of single-family homes, condominiums, apartment buildings, land, residential and mixed-use properties, and commercial and industrial properties using recognised valuation methods.
Real estate consulting
Consulting on marketability, lettability, project development, floor-plan optimisation, materials, fit-out standards, rental and sales pricing, plus legal and financial aspects.
Express valuation
Fast online initial valuation of properties with entries for property type, location, areas, condition and contact details; a simple entry point for a property valuation.
Trust & reputation

ranQ Trust Score of onesta Immobilien Treuhand AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

onesta Immobilien Treuhand AG scores 89.6 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.85.224%
  • 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.95.710%
  • 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%
onesta Immobilien Treuhand 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%
onesta Immobilien Treuhand AG scores 86.7 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).86.722%
onesta Immobilien Treuhand AG scores 31.5 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 35.62.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

onesta Immobilien Treuhand AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 42 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 42 reviews across all connected sources

Sources
GGoogle4.842
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 23, 2021Media
Dowa Immobilien AG wird zur Onesta Immobilien Treuhand AG
shn.ch

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Location

Hier entsteht die Karte
Bühlstrasse 19
8200 Schaffhausen
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.674.708
Founded
2005 · 21 years
Last commercial register change
February 20, 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.
100.0
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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