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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureExcavationLaufenTerraluk Bau AG
Terraluk Bau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Terraluk Bau AG is a construction company specialising in civil engineering and specialist foundation work. Its services include earthworks, demolition, groundwater lowering, sewer and utility construction, and asphalt work; it also processes demolition and excavation materials into reusable building materials.

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Service area

Offering

Products & services

Industry:Excavation
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4.1/5

Terraluk Bau AG

✓ Offered7
Special deep foundation work
Special deep foundation work for building foundations, lowering groundwater, large-diameter drilling, piles, sheet-pile walls, diaphragm walls, anchoring techniques and shotcrete.
Earthworks
Earthworks for excavation up to 100’000 m³, contaminated site remediation, work in water areas and groundwater protection zones, and land rehabilitation.
Civil engineering works
Civil engineering works for excavations, ground support and securing, and utility and infrastructure works as part of civil engineering and special deep foundation projects.
Dismantling and demolition
Dismantling and demolition works as part of construction activities, focusing on material separation and further use/recovery during the construction process.
Construction materials
Construction materials made of concrete as well as gravel and sand, complemented by recycling and material-circular solutions.
Urban Mining
Urban mining for material management, processing of demolition/redevelopment material on site, and further processing into new structural concrete.
Real estate development and delivery
Development and delivery of residential and commercial properties in the Basel region, from project concept to handover of keys.
Trust & reputation

ranQ Trust Score of Terraluk Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Terraluk 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.
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%
Terraluk Bau AG scores 85.5 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.55.07%
Terraluk Bau AG 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%
Terraluk Bau AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Terraluk 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 November 2026.

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

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Location

Delsbergerstrasse 143
4242 Laufen

At a glance

Legal form
Corporation
UID
CHE-105.619.489
Founded
2000 · 26 years
Last commercial register change
May 7, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLLaufen
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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