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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringGoldauVelson GmbH
Velson GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Velson GmbH is a planning and consulting company in building services engineering, providing planning, consulting and project management for heating, ventilation, air conditioning, refrigeration and sanitary systems. The company performs 3D planning and BIM projects, produces sewer/plumbing plans and coordinates building services trades (HLKKS and electrical).

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Products & services

Industry:Technical Consulting & Engineering
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3.6/5

Velson GmbH

Construction & Project Management
✓ Offered5
HLKS planning, advisory and project management
Planning, advisory and project management for heating, ventilation, air conditioning, refrigeration and sanitary systems; support for efficient, sustainable and schedule-compliant building services projects.
BIM and 3D planning
3D planning and BIM projects for building services; precise, transparent and digital planning of heating, ventilation, air conditioning, refrigeration and sanitary systems.
Project support across all phases
Support through project phases 31 to 53, from detailed design to commissioning, for a smooth process.
Sewer system planning
Preparation of sewer system plans for buildings; designed to be functional, standards-compliant and cost-effective for reliable drainage.
Coordination of the HLKKS-E-GA trades
Coordination of the HLKKS and electrical trades for a coordinated process and collaboration among all parties involved in the construction project.
Trust & reputation

ranQ Trust Score of Velson GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

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Data basis 54% · As of October 2026

Velson 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%
Velson GmbH scores 50.8 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.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.55.07%
Velson GmbH 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%
Velson 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

Velson GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». 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

Sonneggstrasse 30b
6410 Goldau

At a glance

Legal form
Limited Liability Company
UID
CHE-347.520.047
Founded
2025 · 1 year
Last commercial register change
March 20, 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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