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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringChurAuin AG
Auin AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Auin AG is the provision of services in the field of environment and water engineering. Specifically, this includes: Engineering office for water engineering in all SIA phases, independent consulting and expert opinions, specialist office for environmental issues, project work in the areas of water bodies, soil, nature conservation and material extraction, environmental and water engineering planning and consulting, mediation and project moderation. The company thus offers comprehensive solutions for complex environmental and water engineering projects and works closely with clients and other specialist offices.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

Auin AG

✓ Offered3
Civil Engineering Office for Water Engineering
Civil engineering office for water engineering in all SIA phases, from strategic planning and preliminary studies through design to construction, implementation and management; including concepts, permits, construction management and in-operation maintenance.
Specialist Office for Environmental Issues and Water Engineering
Specialist expert reports on environmental issues and water engineering, including environmental impact assessment reports, residual flow reports, aquatic ecological assessments, hazard maps, hydrological reports and soil-related investigations.
Independent Consultations and Expert Reports
Independent consultations and specialist expert reports on flooding events, maintenance of waterways, reservoir flushing, monitoring, neophytes, environmental damage, project consulting and regulatory documentation.
Trust & reputation

ranQ Trust Score of Auin AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Auin 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.
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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%
Auin AG scores 93.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.82.07%
Auin 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%
Auin AG scores 17.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Auin 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 October 2026.

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

Knowledge

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Location

La-Nicca-Strasse 6
7000 Chur

At a glance

Legal form
Corporation
UID
CHE-113.552.657
Founded
2007 · 19 years
Last commercial register change
June 28, 2024
Employees
21 to 50
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.85.03%
    • Full methodology

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