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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSt. GallenKoch AG, Strassen- & Tiefbau, Kies & Beton
Koch AG, Strassen- & Tiefbau, Kies & Beton Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Koch AG, Strassen- & Tiefbau, Kies & Beton carries out road and civil engineering works and provides demolition, trackwork, hydraulic and specialised construction services. The company operates a quarry and a gravel/concrete plant, runs recycling and landfill services (including an excavation-washing facility) and offers transport, skip services and ready-mix concrete delivery with pump.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered5
Road & civil engineering
Road construction, road maintenance, drainage systems, road foundations, paving, civil engineering and excavation work, utility lines, canals, demolition, track construction, hydraulic engineering and special deep foundation work.
Gravel & concrete
Gravel and recycled gravel, Appenzeller Beton, concrete recycling, concrete pump, re-use of excavated material and mineral construction waste with recycled material from our own facilities.
Landfills
Planning and operation of landfills for clean excavated and dug-out material, including an excavated material washing plant and material recycling.
Transport
Truck transports for construction materials, special transports for construction machinery and larger vehicles, skip-lift service and snow clearing.
Sustainable recycling & waste management
Separation, recovery and processing of construction site waste, re-use of excavated, gravel and recycled materials, short transport routes and circular economy.
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4.1/5

Koch AG, Strassen- & Tiefbau, Kies & Beton

Trust & reputation

ranQ Trust Score of Koch AG, Strassen- & Tiefbau, Kies & Beton: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Koch AG, Strassen- & Tiefbau, Kies & Beton 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%
Koch AG, Strassen- & Tiefbau, Kies & Beton scores 89.1 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.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.90.07%
Koch AG, Strassen- & Tiefbau, Kies & Beton 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%
Koch AG, Strassen- & Tiefbau, Kies & Beton scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Koch AG, Strassen- & Tiefbau, Kies & Beton 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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Comparisons

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Location

Demutstrasse 1
9000 St. Gallen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-134.417.717
Founded
2009 · 17 years
Last commercial register change
July 6, 2009
Employees
51 to 100
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.76.06%
  • 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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