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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementBaselYildiz GU & Baumanagement
Yildiz GU & Baumanagement Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Yildiz GU & Baumanagement provides general and total contracting services as well as construction and project management. The company covers planning, consulting, execution, tendering, awarding, and the coordination of construction projects.

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Offering

Products & services

Industry:Construction & Project ManagementGeneral ContractorsWholesale - Construction & Raw Materials
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Yildiz GU & Baumanagement

✓ Offered4
General and total contracting
General and total contracting for projects from small bathroom modernisations to single-family and multi-family houses, including turnkey handover.
Construction and project management
Construction and project management with project consulting, execution planning, construction schedules, cost, schedule and risk management, plus reporting to the client.
GC/TC construction services
GC and TC construction services covering design and permitting, architectural and engineering services, project and concept development, and execution coordination.
Tendering and awarding
Tendering and awarding with obtaining and comparing quotations, selecting and appointing subcontractors, and managing contracts and awards.
Trust & reputation

ranQ Trust Score of Yildiz GU & Baumanagement

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Yildiz GU & Baumanagement 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%
Yildiz GU & Baumanagement 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%
Yildiz GU & Baumanagement scores 83.3 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).83.322%
Yildiz GU & Baumanagement scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Horburgstrasse 24
4057 Basel

At a glance

Legal form
Sole proprietorship
UID
CHE-357.643.148
Founded
2025 · 1 year
Last commercial register change
November 19, 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.
67.0
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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