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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementZurichProhaus Aktiengesellschaft
Prohaus Aktiengesellschaft Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Prohaus Aktiengesellschaft provides property management, sales and initial-letting services, condominium administration, real estate valuations and renovation/rehabilitation project management for residential and commercial properties.

AI-generated
Offering

Products & services

Industry:Property ManagementReal Estate Brokerage
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Prohaus Aktiengesellschaft

✓ Offered6
Property management
Property and portfolio management, including administrative and technical management as well as accounting for residential buildings, commercial properties and condominium owners’ associations.
Property sales
Sale of apartments, single-family houses, multi-family houses and building land, including marketing concept, viewings, buyer negotiations, purchase contracts and transfer of ownership.
Initial letting
Initial letting of new-builds and commercial properties with market analysis, rent consultation, letting concept, candidate screening, contract drafting and property handover.
Condominium ownership
Management and organisation of condominium owners’ associations, including meetings, decision minutes, technical management, annual statements and reserve funds.
Real estate valuation
Valuation of single-family houses, owner-occupied condominiums, multi-family houses, building land and rental value appraisals for apartments.
Conversions and renovations
Guidance on conversions and renovations with coordination of trades, on-site representation and support for schedule and cost matters.
Trust & reputation

ranQ Trust Score of Prohaus Aktiengesellschaft: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Prohaus Aktiengesellschaft scores 36.9 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.0.024%
  • 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.84.710%
  • 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.88.08%
Prohaus Aktiengesellschaft 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%
Prohaus Aktiengesellschaft 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%
Prohaus Aktiengesellschaft scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Prohaus Aktiengesellschaft reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 2.4 out of 5 stars from 27 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
2.4
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle2.427
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Seestrasse 344
8038 Zurich
Opening hours
Mon
08:00 - 11:30, 13:30 - 17:00
Tue
08:00 - 11:30, 13:30 - 17:00
Wed
08:00 - 11:30, 13:30 - 17:00
Thu
08:00 - 11:30, 13:30 - 17:00
Fri
08:00 - 11:30, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.444.699
Founded
1944 · 82 years
Last commercial register change
February 16, 2024
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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