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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringAltdorf UrIngenieurbüro DUWAPLAN GmbH
Ingenieurbüro DUWAPLAN GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The engineering firm DUWAPLAN GmbH primarily deals with the planning, accompaniment and implementation of projects in the fields of natural hazards, forest, environment and engineering. Specifically, this includes the areas of: Natural hazards: avalanche control, protective structure management, flood protection; Forest: forest road planning, forest rehabilitation; Environment: environmental construction supervision, client support; Engineering: road construction, tunnel construction, goods road construction. The company offers services such as project planning, accompaniment and implementation, as well as consulting and management for public and private clients.

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Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered4
Natural hazards
Risk assessments, protective concepts and building protection against natural hazards; support for construction projects, remediation of damage and management of protective structures.
Forest
Planning and construction management of forest roads, upgrades and development for the management of protective forests and agricultural areas.
Engineering
Planning, tendering, construction management and cost monitoring for road and infrastructure development projects as well as other engineering construction projects.
Environment
Environmental construction support, client-side support and professional assistance for projects with an environmental focus and natural hazards.
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4.1/5

Ingenieurbüro DUWAPLAN GmbH

Trust & reputation

ranQ Trust Score of Ingenieurbüro DUWAPLAN GmbH: 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.

Ingenieurbüro DUWAPLAN GmbH 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%
Ingenieurbüro DUWAPLAN GmbH scores 83.0 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.55.07%
Ingenieurbüro DUWAPLAN GmbH scores 85.0 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).85.022%
Ingenieurbüro DUWAPLAN GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ingenieurbüro DUWAPLAN GmbH 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

Bahnhofstrasse 9
6460 Altdorf Ur

At a glance

Legal form
Limited Liability Company
UID
CHE-107.714.609
Founded
1998 · 28 years
Last commercial register change
July 31, 2025
Employees
1 to 10
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.
88.0
6%
  • 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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