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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesWolleraua&s immobilientreuhand gmbh
a&s immobilientreuhand gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

a&s immobilientreuhand gmbh is a real estate services company providing property management for rental properties and condominium ownership, as well as brokerage and sales services. Its offerings include valuations, construction trust services (Bautreuhandschaft), financing advice and the development, realization and marketing of property projects, and the group also provides caretaking/maintenance services via a&s services.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered8
Administration & management of rental properties and condominium ownership
Administrative management, technical management and accounting for rental properties and condominium ownership.
Property brokerage / sale
Preparatory work, pricing, marketing measures, sales advisory and real estate brokerage.
Initial lettings
Preparatory work and letting activities for new rental properties.
Establishment of condominium ownership & co-ownership
Preparation of the concept for establishment, transaction-ready documents for condominium ownership and co-ownership, and organisation of the notarial deed.
Valuations
Property inspections, document collection and review, area or volume calculations, valuation report and, on request, property or construction specification.
Construction trustee services
Client advisory and construction accounting for construction projects and project delivery.
Financing advice & brokerage
Preparatory work and financing brokerage in connection with real estate transactions.
Development, realisation and marketing of real estate projects
Development, realisation and marketing of own real estate projects via the in-house general contractor HKS Immobilien AG.
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4.1/5

a&s immobilientreuhand gmbh

Trust & reputation

ranQ Trust Score of a&s immobilientreuhand gmbh: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

a&s immobilientreuhand gmbh scores 60.7 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.35.324%
  • 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.100.010%
  • 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.88.08%
a&s immobilientreuhand gmbh scores 89.7 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.82.07%
a&s immobilientreuhand gmbh 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%
a&s immobilientreuhand gmbh scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

a&s immobilientreuhand gmbh reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 56 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
3.6
of 5

Aggregated from 56 reviews across all connected sources

Sources
GGoogle3.656
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wächlenstrasse 1
8832 Wollerau
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-104.512.759
Founded
1998 · 28 years
Last commercial register change
May 26, 2026
Employees
21 to 50
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.
88.0
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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