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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerAppenzellHD-Plan GmbH
HD-Plan GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

HD-Plan GmbH plans and supports timber construction projects, including timber-building and structural design and structural calculations. Its services also include consulting, construction management and 3D laser scanning to capture existing buildings and structures.

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Presence

Service area

Offering

Products & services

Industry:EngineerArchitect
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4.1/5

HD-Plan GmbH

Construction manager
✓ Offered7
Timber construction consulting
Consulting for conversions and new builds in timber construction, with support in technical building matters for residential construction, halls and barns, schools and administration buildings, as well as bridge construction.
Structural design for timber structures
Static calculations and structural dimensioning for timber structures in timber construction.
Detailed planning incl. material lists
Detailed planning for timber construction work, including the required material lists.
Tendering for timber construction works
Preparation of tenders for timber construction works.
Stair planning
Planning of stairs as part of timber construction projects.
Architecture
Architectural services for conversions and new builds in connection with timber construction projects.
Site supervision
Site supervision for timber construction and construction projects.
Trust & reputation

ranQ Trust Score of HD-Plan GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

HD-Plan 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%
HD-Plan 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%
HD-Plan GmbH 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%
HD-Plan GmbH scores 11.4 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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HD-Plan 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 November 2026.

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

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Location

Rinkenbach 26
9050 Appenzell

At a glance

Legal form
Limited Liability Company
UID
CHE-105.084.714
Founded
1999 · 27 years
Last commercial register change
August 14, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AIAppenzell
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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