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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction managerZurichKummer Baumanagement GmbH
Kummer Baumanagement GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Kummer Baumanagement GmbH provides owner representation, client advisory, overall project and project management, and competition organisation for construction projects. The firm supports public and private clients and coordinates design teams throughout planning and implementation.

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Service area

Offering

Products & services

Industry:Construction manager
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Kummer Baumanagement GmbH

✓ Offered4
Client representation
Management of construction projects in all project phases, from the investment decision to commissioning; definition of tasks within the project schedule, ensuring the target objectives and informing the partners involved.
Client advisory
Support in developing and formulating the project requirements, obtaining the required information, preparing the documents, and advising on organisational issues and decision paths.
Project and overall management
Overall management of building projects, coordination of the client's requirements with architects and engineers, interface between design and execution, and responsibility for achieving the objectives.
Competition organisation
Organisation and support of competition procedures for public authorities or private investors; compilation of participants, evaluation panels and expert teams, preparation of the underlying documents, and professional execution.
Trust & reputation

ranQ Trust Score of Kummer Baumanagement GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Kummer Baumanagement 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.
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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%
Kummer Baumanagement 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%
Kummer Baumanagement GmbH scores 86.7 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).86.722%
Kummer Baumanagement GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kummer Baumanagement 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

Thurgauerstrasse 70
8050 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-108.646.838
Founded
1997 · 29 years
Last commercial register change
October 13, 2017
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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