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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorBuchs LuALS Bau GmbH
ALS Bau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ALS Bau GmbH provides building services in structural and civil engineering, demolition and utility construction. Its work also includes property maintenance and renovation, building-services maintenance and installation, timber construction, plastering and roofing including photovoltaic systems, and scaffolding.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Building contractor
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3.9/5

ALS Bau GmbH

Civil works
Renovation
Scaffolding
Excavation
Timber construction
Painter
Roofer
✓ Offered5
Building and civil engineering
Building and civil engineering, excavation and pipeline construction for construction projects in general building and civil engineering.
Maintenance and conversion work
Maintenance and conversion work for existing buildings and facilities, including minor adjustments and structural alterations.
Building services maintenance & installation
Service and installation of building services systems for buildings and technical infrastructure.
Timber construction, plastering and roofing work
Timber construction, plastering and roofing work, including photovoltaic installations.
Scaffolding
Scaffolding for construction, renovation and maintenance work.
Trust & reputation

ranQ Trust Score of ALS Bau GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of November 2026

ALS 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.
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%
ALS Bau GmbH scores 65.0 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.58.012%
  • 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%
ALS Bau GmbH scores 85.0 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).85.022%
ALS Bau GmbH scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALS Bau GmbH reaches a ranQ Trust Score of 3.9 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.

Knowledge

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Comparisons

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Location

Dorfstrasse 21
6211 Buchs Lu

At a glance

Legal form
Limited Liability Company
UID
CHE-237.307.310
Founded
2022 · 4 years
Last commercial register change
September 29, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LUDagmersellen
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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