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

About the company

The core activity of SDM Immobilien GmbH is the comprehensive management of real estate projects, including real estate development, marketing, management, acquisition, and general contracting. The company also provides services such as initial rental and re-rental, and supports customers in finding and purchasing or renting properties, particularly in the Aargau region.

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Products & services

Industry:Real Estate Project Development
✓ Offered
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4.3/5

SDM Immobilien GmbH

5
Property Development and General Contracting
Property development and general contracting for new builds, densification and yield-oriented land use, from planning through implementation.
Property Sales Brokerage
Marketing and brokerage of existing properties such as detached houses, condominiums, investment properties, building land and commercial real estate through to sale completion.
Initial and Repeat Letting
Initial and repeat letting of properties, including support from planning through early letting before completion.
Property Management
Property management and administration with tenant support, maintenance, billing and budget planning.
Property Acquisition
Direct acquisition of detached houses, apartments and multi-family homes with a non-binding offer and fast processing.
Trust & reputation

ranQ Trust Score of SDM Immobilien GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

SDM Immobilien GmbH scores 79.0 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.72.524%
  • 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.87.310%
  • 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%
SDM Immobilien GmbH scores 83.0 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%
SDM Immobilien GmbH 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%
SDM Immobilien GmbH scores 12.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SDM Immobilien GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 30 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
4.5
of 5

Aggregated from 30 reviews across all connected sources

Sources
GGoogle4.530
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Kirchgasse 12
5742 Kölliken
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-114.328.915
Founded
2008 · 18 years
Last commercial register change
June 12, 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.
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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