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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageKöllikenZimmermann Immobilien ZIMMO
Zimmermann Immobilien ZIMMO Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Zimmermann Immobilien is the brokerage and consulting of real estate, including the valuation of properties, the sale and purchase of real estate, as well as support in the realization of construction projects, particularly in the area of prefabricated houses in ecological wood element construction.

AI-generated
Offering

Products & services

Industry:Real Estate Brokerage
✓ Offered8
Real estate brokerage
Sale of condominiums, single- and multi-family houses, commercial buildings and building land; marketing, preparing the exposé, sales strategy, drafting the contract and support through to the notary signing.
Real estate appraisal
Market value estimation of existing properties based on condition, location, size, renovations and available documents; cost-effective market value estimation for property owners.
Property letting
Letting of new and existing rental units with all services up to the signing of the lease, including move-in inspections of rental apartments.
Project analysis and development
Analysis and development of new-build and conversion projects, including an assessment of market demand for decision-making and a successful market entry.
Sale of prefabricated homes
Consulting, planning and sale of prefabricated homes with timber element construction featuring building-biology properties, including construction through to handover ready to move in.
Financing advice
Support with budgeting, real estate financing, mortgage checks, ancillary construction costs, tax returns and wealth advisory services, as well as with options offered by financial institutions.
Condominium management
Management of condominium owner communities, representing their concerns, preparing annual accounts, budgeting, operating the property and handling technical administration.
Property caretaker services and maintenance
Property caretaker services, cleaning, technical maintenance, grounds work and monitoring of renovation activities, including preventive measures.
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4.0/5

Zimmermann Immobilien ZIMMO

Trust & reputation

ranQ Trust Score of Zimmermann Immobilien ZIMMO: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Zimmermann Immobilien ZIMMO scores 73.2 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.78.124%
  • 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.49.510%
  • 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%
Zimmermann Immobilien ZIMMO scores 63.3 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.64.612%
  • 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%
Zimmermann Immobilien ZIMMO 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%
Zimmermann Immobilien ZIMMO scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zimmermann Immobilien ZIMMO reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Egelmoosstrasse 2c
5742 Kölliken
Opening hours
Mon
09:00 - 19:00
Tue
09:00 - 19:00
Wed
09:00 - 19:00
Thu
09:00 - 19:00
Fri
09:00 - 19:00
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-306.139.945
Founded
2021 · 5 years
Last commercial register change
October 21, 2021
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.
67.0
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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