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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionZernezSeiler AG, Hoch- und Tiefbau, Pontresina
Seiler AG, Hoch- und Tiefbau, Pontresina Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Seiler AG, Hoch- und Tiefbau, Pontresina is a construction company specialising in building construction, civil engineering, client works and hazardous substance remediation. It carries out projects in the Engadin region, including building, infrastructure and mountain construction sites.

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Offering

Products & services

Industry:Building ConstructionCivil Engineering
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3.8/5

Seiler AG, Hoch- und Tiefbau, Pontresina

✓ Offered
4
Building construction
Building construction for single- and multi-family houses, apartment conversions, industrial and commercial buildings, renovations, demolition work and high-alpine construction sites.
Civil engineering
Civil engineering with excavation work, bridge renovations, stream training works, repairs, restoration of dry-stone walls and forest paths, and utility construction.
Client construction work
Client construction work for garden seating areas, bathroom remodels, apartment renovations, refurbishment and plastering work, plus small maintenance and repair jobs.
Hazardous-material remediation
Hazardous-material remediation with assessment, removal and proper disposal of asbestos, PCB and mould under required protection and safety measures.
Trust & reputation

ranQ Trust Score of Seiler AG, Hoch- und Tiefbau, Pontresina: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Seiler AG, Hoch- und Tiefbau, Pontresina 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%
Seiler AG, Hoch- und Tiefbau, Pontresina scores 57.0 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.25.012%
  • 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%
Seiler AG, Hoch- und Tiefbau, Pontresina 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%
Seiler AG, Hoch- und Tiefbau, Pontresina scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Seiler AG, Hoch- und Tiefbau, Pontresina reaches a ranQ Trust Score of 3.8 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

Cul 280c
7530 Zernez

At a glance

Legal form
Branch
UID
CHE-376.916.476
Founded
2025 · 1 year
Last commercial register change
September 26, 2025
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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