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

About the company

The core activity of S+U Bau AG is the provision of services in the construction industry, particularly in the areas of: new construction, renovation and refurbishment, civil engineering, concrete cutting, core drilling, and surfacing. The company also offers project planning and construction management for renovation and conversion projects and has its own inventory of machines and equipment.

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Offering

Products & services

Industry:Building ConstructionCivil Engineering
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S + U Bau AG

✓ Offered6
New construction
New construction of single-family houses, multi-family houses, duplex houses, industrial buildings and chapels, as well as extensions and infrastructure fit-outs.
Alterations & renovation
Alteration and renovation works for buildings, including renovations, project examples and support from start to finish.
Civil engineering
Civil engineering works for pipelines, sewerage systems, manholes, water pipeline construction, drainage pipes, foundations and paved driveways.
Surfacing works
Surfacing works with resurfacing of wearing courses, two-layer surfacing installation, surfacing patch repairs, channels and surfacing works for squares and driveways.
Concrete milling
Concrete milling and cutting through concrete walls with a concrete/diamond milling system, including for large wall thicknesses.
Core drilling
Core drilling in all locations and materials up to a diameter of 60 cm, even under difficult conditions.
Trust & reputation

ranQ Trust Score of S + U Bau AG: 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 + U Bau AG 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 + U Bau AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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 + U Bau AG 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%
S + U Bau AG scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S + U Bau AG 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

Schlierenstrasse 14
8902 Urdorf

At a glance

Legal form
Corporation
UID
CHE-107.498.848
Founded
1993 · 33 years
Last commercial register change
January 22, 2021
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.
100.0
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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