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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsGrächenh-plan engineering gmbh
h-plan engineering gmbh Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of h-plan engineering gmbh is the provision of engineering and planning services in the field of construction, particularly in the areas of: project management and construction management, plant engineering, including energy efficiency and environmental technology, reinforced concrete construction, steel construction and timber construction, road construction, including road surface renovation and asphalt paving, and photovoltaic systems and renewable energies. The company also offers energy consulting and calculation services and has a broad network of architects and other specialists in the construction industry.

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Offering

Products & services

Industry:Civil Engineering Firms
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4.1/5

h-plan engineering gmbh

Construction & Project Management
✓ Offered6
Structural engineering services
Reinforced concrete construction, steel construction, timber construction and structural calculations for building projects, including dimensioning and technical documentation.
Road construction
Roadbed rehabilitation, asphalt and gravel subbase construction as well as new road construction.
Pipeline construction
Planning and supervision of sewer systems as well as lines for electricity, communication and drinking water.
Project management and site supervision
Project management and site supervision from the first cost estimate to the final invoice.
Facilities engineering
Engineering for energy efficiency and environmental technology, including energy consulting and energy calculations.
Photovoltaic systems
Planning, profitability calculations, construction, commissioning, operation and maintenance of photovoltaic systems.
Trust & reputation

ranQ Trust Score of h-plan engineering gmbh: 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.

h-plan engineering 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.
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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%
h-plan engineering gmbh scores 78.5 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.89.612%
  • 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%
h-plan engineering 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%
h-plan engineering gmbh scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

h-plan engineering 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.

Knowledge

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Location

Bina 56
3925 Grächen
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-348.065.933
Founded
2015 · 11 years
Last commercial register change
September 10, 2021
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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