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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesZurichHBI Haerter Holding AG
HBI Haerter Holding AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

HBI Haerter Holding AG is an engineering consultancy specialising in the planning, design and execution support of tunnel ventilation systems. Services include emissions assessments, risk analyses and safety, aero- and thermodynamic analyses, mechanical equipment, measurements and numerical simulation, as well as retrofit, refurbishment and operational optimisation.

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Offering

Products & services

Industry:Holding Companies
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4.1/5

HBI Haerter Holding AG

✓ Offered4
Tunnel ventilation design and execution
Tunnel ventilation for road and rail tunnels, from feasibility and concept studies through detailed and implementation planning to construction supervision, acceptance, refurbishment and operational optimisation.
Pollution dispersion studies and reports
Pollution dispersion studies and reports for tunnel projects, complemented by measurements, preliminary and detailed studies, and numerical calculations for airflow and environmental effects.
Risk analysis and tunnel safety
Risk analyses and safety matters for road, rail and metro tunnels as well as underground facilities, including safety-related project studies and acceptance activities.
Aero-fluid-thermodynamics consulting
Aero- and thermodynamics for road and rail tunnels, with ventilation calculations, numerical simulations and project studies on airflow and temperature control.
Trust & reputation

ranQ Trust Score of HBI Haerter Holding AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

HBI Haerter Holding AG 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%
HBI Haerter Holding AG scores 67.5 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.58.012%
  • 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%
HBI Haerter Holding AG 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%
HBI Haerter Holding AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HBI Haerter Holding AG 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

Bahnhaldenstrasse 7
8052 Zurich

At a glance

Legal form
Corporation
UID
CHE-317.331.932
Founded
2022 · 4 years
Last commercial register change
June 29, 2022
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.
100.0
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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