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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's representationZurichKOS PartnerInnen GmbH
KOS PartnerInnen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

KOS PartnerInnen GmbH is an independent consultancy for real estate development and client-side construction advice. Its services include property strategies, spatial and operational concepts, school space planning, feasibility studies, support for planning procedures, project organisation, and cost and quality control.

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Service area

Offering

Products & services

Industry:Owner's representationProperty developer
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KOS PartnerInnen GmbH

✓ Offered3
Client advisory
Planning and execution of construction projects, project organisation, project definition, quality, cost and schedule controlling, facilitation between project stakeholders, owner representation.
Strategic planning
Real estate strategies, spatial operating concepts, school space planning, office space planning and feasibility studies for medium- and long-term development scenarios.
Process support
Advisory on the selection and implementation of workshop procedures, test planning exercises, study mandates, project competitions and planner selection procedures.
Trust & reputation

ranQ Trust Score of KOS PartnerInnen GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

KOS PartnerInnen GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
KOS PartnerInnen GmbH scores 70.2 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.70.212%
  • 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%
KOS PartnerInnen GmbH scores 86.7 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).86.722%
KOS PartnerInnen GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KOS PartnerInnen GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Giesshübelstrasse 62i
8045 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-485.684.414
Founded
2020 · 6 years
Last commercial register change
January 22, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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