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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSt. GallenIEP Ingenieure AG
IEP Ingenieure AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of IEP Ingenieure AG is planning and consulting in the field of construction and environmental engineering, particularly in the areas of: Acoustics, Building physics, Heating/Cooling/Ventilation, Environment, and Fire protection. The company provides engineering services to plan and operate buildings in a high-quality, cost-optimized, and ecologically sustainable manner.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

IEP Ingenieure AG

✓ Offered5
Acoustics
Acoustic planning and consulting for construction projects, focusing on sound and noise protection in buildings and facilities.
Building physics
Building physics consulting for building projects, in particular regarding thermal, moisture and sound insulation as well as other building-physics requirements.
Heating, cooling and air engineering
Planning and consulting for heating, cooling and air engineering in buildings, including energy-related and indoor climate topics.
Environment
Environment-related engineering and consulting services for construction and infrastructure projects, addressing environmental requirements and topics.
Fire protection
Fire protection concepts and fire-safety engineering consulting for building projects, aligned with planning, construction and use.
Trust & reputation

ranQ Trust Score of IEP Ingenieure AG: 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.

IEP Ingenieure 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%
IEP Ingenieure AG scores 85.5 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.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%
IEP Ingenieure 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%
IEP Ingenieure AG scores 5.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

IEP Ingenieure 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

Bionstrasse 4
9015 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-114.350.435
Founded
2008 · 18 years
Last commercial register change
June 8, 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.
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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