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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringGaisKoch Strassen- & Tiefbau AG Gais
Koch Strassen- & Tiefbau AG Gais Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Koch Strassen- & Tiefbau AG Gais provides road and civil engineering services and operates aggregate and concrete production with quarry and recycling facilities. The company also offers transports, skip (mulden) services, demolition, landfill/repository management and delivery of construction materials including concrete pumping.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered12
Road and Civil Engineering
Road construction and asphalt solutions, maintenance and upkeep of roads, drainage systems, road bases, paving, and civil engineering, excavation and sewer construction works.
Demolition
Demolition of buildings, roads and commercial buildings; including container service, transport, ecological recycling of demolition materials and excavation works.
Railway Track Construction
Renewal of railway lines and stops, including special requirements; including night work and services with safety training for staff.
Waterway Engineering
Stream diversions, renaturalisation of waterways, new installations, bridge foundations and clean-up work after floods.
Special Deep Foundations and Drilling
Bored piles, pile walls, excavation shoring and filter wells; executed with modern drilling technology even in tight space conditions and demanding site conditions.
Special Construction
Construction work under exceptional conditions, in mountainous areas, in depth or in difficult terrain; solutions for projects with special requirements.
Concrete Roads
Construction of concrete roads and traffic lanes including preparation of the subgrade and finished traffic surface; as a supplement to asphalt road construction.
Outdoor Areas and Gardens
Garden and outdoor area design, terraces, seating and front areas, garage entrances, fountains, walls and footpaths; including planning assistance.
Gravel and Gravel Recycling
Gravel and recycled gravel range from local extraction in the Schatten quarry; recycled and reused on site for short transport distances.
Concrete and Concrete Recycling
Locally produced Appenzeller Beton, combined with recycled materials and delivered directly to the construction site.
Concrete Pump
Truck-mixer pump for pumping concrete with a radius of around 25 metres; suitable for more demanding concreting jobs.
Landfills and Excavation Recovery
Planning and operation of landfills for clean excavated and broken-out material, as well as processing excavated material in an excavated-material washing plant.
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4.1/5

Koch Strassen- & Tiefbau AG Gais

Trust & reputation

ranQ Trust Score of Koch Strassen- & Tiefbau AG Gais: 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 Strassen- & Tiefbau AG Gais 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 Strassen- & Tiefbau AG Gais scores 95.8 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 Strassen- & Tiefbau AG Gais 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 Strassen- & Tiefbau AG Gais 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 Strassen- & Tiefbau AG Gais 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

Gäbrisstrasse 23
9056 Gais
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-103.660.653
Founded
1984 · 42 years
Last commercial register change
June 26, 2017
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.70.03%
    • Full methodology

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