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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringAppenzellKoch 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 provides road and civil engineering services, transport solutions and the production of gravel and concrete products. It operates a quarry, a gravel and concrete plant and landfills, and offers waste management, recycling services and project planning for construction works.

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Products & services

Industry:Civil Engineering
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Koch AG, Strassen- & Tiefbau, Kies & Beton

✓ Offered6
Road & civil engineering
Road construction, asphalt works, road foundations, drainage systems, paving, civil engineering, excavation and sewer works, utility lines, dismantling, track construction, water engineering, special deep construction, concrete roads, site works.
Gravel & concrete
Gravel and recycled gravel, Appenzeller Beton, concrete recycling, concrete pump, excavation reuse and mineral construction waste, produced locally, with short transport distances and delivery to the construction site.
Landfills
Planning and operation of Type A landfills for excavation and spoil material, excavation washing plant, material recycling and proper disposal of construction waste.
Transport
Truck transport for construction materials, special transport for construction machinery and larger vehicles, skip service, and snow clearing with the truck fleet and snowplough vehicles.
Sustainable recycling & waste management
Separation, collection, processing and reuse of construction site waste and materials in own facilities, with short transport distances and circular economy.
Private clients
Gardens, paths, squares, privacy screens, garage driveways and site design, as well as planning, project design, excavation, dismantling and snow clearing for private construction projects.
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 98.5 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.96.07%
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.

Knowledge

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Location

Industriestrasse 15
9050 Appenzell
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
Corporation
UID
CHE-105.933.129
Founded
1993 · 33 years
Last commercial register change
January 30, 2026
Employees
101 to 500
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.95.03%
    • Full methodology

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