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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsChurGartmann & Joos Bauingenieure AG
Gartmann & Joos Bauingenieure AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gartmann & Joos Bauingenieure AG is a civil engineering firm providing structural design and geotechnical solutions. Services include structural engineering for timber, steel, masonry and concrete, excavation support and foundation solutions, alpine engineering (e.g., cable car construction, technical snowmaking systems, protective structures, suspension footbridges), construction and maintenance management, and civil infrastructure works for roads and utilities.

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Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered4
Structural Engineering & Geotechnics
Structural design in timber, steel, masonry or concrete; excavation supports, ground improvement and deep foundations for technical and economical solutions.
Alpine Civil Engineering
Cableway construction, technical snowmaking systems, structural protection systems, suspension bridges and tourism infrastructures for exposed sites in alpine terrain.
Construction & Maintenance Management
Overall management, site management and client representation for engineering projects; inventory of existing infrastructure, assessments of the condition of structures, reports and expert opinions.
Civil Engineering & Infrastructure
From preliminary design to completion of road and rail works, as well as expansion, maintenance and renewal of utility lines for water, wastewater, energy and communications.
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Gartmann & Joos Bauingenieure AG

Trust & reputation

ranQ Trust Score of Gartmann & Joos Bauingenieure AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Gartmann & Joos Bauingenieure 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%
Gartmann & Joos Bauingenieure AG scores 78.4 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.86.512%
  • 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.70.07%
Gartmann & Joos Bauingenieure AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Gartmann & Joos Bauingenieure AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Sommeraustrasse 4
7000 Chur

At a glance

Legal form
Branch
UID
CHE-132.089.341
Founded
2016 · 10 years
Last commercial register change
January 31, 2023
Employees
11 to 20
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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