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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementNiederhasliLiegenschaftsverwaltung, Sommerhalder
Liegenschaftsverwaltung, Sommerhalder Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company Sommerhalder Property Management is real estate management, including: property management, condominium administration, rental and initial rental of properties, sale of properties, particularly for owner-occupied homes (+65), and management of free-standing properties. The company positions itself as a real estate partner in the Niederhasli region and offers its services to property owners and interested parties.

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Products & services

Industry:Property Management
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3.8/5

Liegenschaftsverwaltung, Sommerhalder

✓ Offered5
Management of rental properties
Comprehensive management of rental properties, including rent collection, accounting, heating and ancillary cost statements, maintenance coordination, apartment handovers and legal support.
Administration of condominium and co-ownership
Administration of condominium owners' associations and co-ownership, including owners’ meetings, minutes, budgets and annual accounts, fund management as well as maintenance and renovation coordination.
Renting and initial letting
Letting of apartments and new-build properties with rent analysis, target group definition, advertisements, viewings, application screening, contract coordination and apartment handover.
Property support for seniors
Personal support for senior women and men with statements, contracts, repairs, tradespeople appointments, communication with service providers and questions regarding letting and the property condition.
Property sale and sales support
Support during the sale of properties with market and price assessment, sales documentation, marketing, prospect management, negotiations, notary and handover.
Trust & reputation

ranQ Trust Score of Liegenschaftsverwaltung, Sommerhalder: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Liegenschaftsverwaltung, Sommerhalder scores 70.7 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.75.024%
  • 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.40.910%
  • 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%
Liegenschaftsverwaltung, Sommerhalder scores 46.3 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.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%
Liegenschaftsverwaltung, Sommerhalder scores 85.0 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).85.022%
Liegenschaftsverwaltung, Sommerhalder scores 10.0 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 35.10.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Liegenschaftsverwaltung, Sommerhalder reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Huebwiesenstrasse 20
8155 Niederhasli
Opening hours
Mon
09:00 - 15:00
Tue
09:00 - 15:00
Wed
09:00 - 15:00
Thu
09:00 - 15:00
Fri
09:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-495.998.423
Founded
2025 · 1 year
Last commercial register change
February 3, 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.67.06%
  • 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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