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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionWinterthurSami Bau GmbH
Sami Bau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Sami Bau GmbH is a construction company specialising in formwork and masonry. Its services include new-build and renovation projects, planning and consulting, and the installation and dismantling of formwork.

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Offering

Products & services

Industry:Building ConstructionSpecialized Construction Activities
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3.8/5

Sami Bau GmbH

✓ Offered6
Formwork
Formwork solutions for various building projects, including single-family homes, multi-family homes, industrial buildings and bridge construction; wall formwork, shafts, slab and stair formwork, and formwork for exposed concrete.
Masonry
Load-bearing, non-load-bearing and exposed masonry for new construction, conversions and renovations; precise execution with solid materials and professional installation.
New-build / renovation
New-build and renovation projects from planning through completion; renovations, extensions, modernisations and project management for on-time, budget-compliant delivery.
Planning & consulting
Planning of formwork on construction sites and expert consulting for selecting suitable formwork solutions; aligned with requirements, budget, time frame and safety standards.
Assembly & dismantling
Professional assembly and expert dismantling of formwork; installation according to construction plans, safe removal of the formwork systems and clean site close-out.
Quality control
Regular quality control of formwork systems with inspections for safety, functionality and stability; use of modern methods to ensure the required standards.
Trust & reputation

ranQ Trust Score of Sami Bau GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Sami Bau 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%
Sami Bau GmbH scores 57.1 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.39.612%
  • 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%
Sami Bau GmbH scores 83.3 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).83.322%
Sami Bau GmbH scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sami Bau GmbH reaches a ranQ Trust Score of 3.8 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 October 2026.

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

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Location

Am Bach 21
8400 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-429.481.355
Founded
2024 · 2 years
Last commercial register change
February 27, 2024
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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