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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementWinterthurS+B Baumanagement AG Winterthur
S+B Baumanagement AG Winterthur Logo
Verified· 2 sourcesTrust Score
Summary

About the company

S+B Baumanagement AG Winterthur is a construction and project management company providing advisory services, project development, general planning, general contracting and total contracting. Its services include project and site management, project control and cost review, and it applies digital methods such as Building Information Modeling (BIM) along with sustainability-oriented practices.

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Products & services

Industry:Construction & Project Management
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S+B Baumanagement AG Winterthur

General Contractors
✓ Offered3
Construction management
Construction management for building projects, consulting, complete project planning and careful implementation.
General planning
General planning for new builds, conversions and renovations, including project and site management as well as coordination of building projects.
Project and construction management
Project and construction management for new builds, conversions and staged works during ongoing operations.
Trust & reputation

ranQ Trust Score of S+B Baumanagement AG Winterthur: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

S+B Baumanagement AG Winterthur 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%
S+B Baumanagement AG Winterthur scores 89.3 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.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.70.07%
S+B Baumanagement AG Winterthur 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%
S+B Baumanagement AG Winterthur scores 91.4 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 35.91.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S+B Baumanagement AG Winterthur 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 October 2026.

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

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Location

Technikumstrasse 61
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-114.404.516
Founded
2008 · 18 years
Last commercial register change
July 14, 2025
Employees
11 to 20
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.100.06%
  • 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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