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

About the company

IDZ AG is an engineering firm for plant and building services. The company designs and implements MSRL, HLKKS (heating, ventilation, air‑conditioning and sanitary systems) and electrical installations, as well as operational and safety equipment (BSA) for buildings, plants and national or cantonal roads. Services include planning, studies, project engineering, tendering, realization, operation, coordination and overall project management.

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Products & services

Industry:Technical Consulting & Engineering
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IDZ AG

✓ Offered5
Planning and execution of building services and building technology systems
Planning, studies, project engineering, tendering, implementation, operations management as well as coordination and overall management for building services and building technology systems.
EMSRL planning and project engineering
Planning and project engineering of EMSRL systems in building and plant construction, including execution and coordination.
HLKKS system planning and project engineering
Planning and project engineering of HLKKS systems in building and plant construction, including execution, coordination and overall management.
Electrical systems in building and plant construction
Planning and execution of electrical systems for building and plant construction, taking account of ecological and economic aspects.
Operations and safety equipment (BSA) for national and cantonal roads
Planning and execution of operations and safety equipment on national and cantonal roads, including engineering design and construction management.
Trust & reputation

ranQ Trust Score of IDZ 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.

IDZ 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%
IDZ AG scores 80.4 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.79.212%
  • 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.70.07%
IDZ 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%
IDZ AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

IDZ 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

Utzenstorfstrasse 11
3425 Koppigen

At a glance

Legal form
Corporation
UID
CHE-369.727.421
Founded
2018 · 8 years
Last commercial register change
December 10, 2018
Employees
11 to 20
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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