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

About the company

Oekoplan AG is an engineering firm for building services that provides planning and consulting for heating, ventilation, air conditioning, refrigeration and sanitary systems. Its services include technical coordination, energy performance certificates, Minergie standards and technical assessments.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
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Oekoplan AG

✓ Offered
7
HVAC&R planning
Heating, ventilation, air conditioning and refrigeration systems; energy supply, heat generation, heat distribution, air-conditioning systems, refrigeration systems, special systems, insulation and sanitary systems.
Sanitary planning and specialist coordination
Sanitary installations and HLKKSE specialist coordination for building services projects, including coordinated planning in interaction with other building services trades.
Energy concepts and energy documentation
Energy concepts, overall concepts for building services systems, variant and comparison studies, building envelope design, U-value optimization and energy documentation.
Expert reports
Expert reports on energy supply, heat generation plants, heat distribution systems, air-conditioning systems, refrigeration systems, special systems, insulation and sanitary systems.
Minergie support
Minergie projects, Minergie-P and other Minergie standards for building services and energy projects.
Refrigeration systems and alternative systems
Air-conditioning systems, cooling ceiling systems, chiller units, direct expansion systems, absorption cooling and pipework systems with heat recovery.
BIM engineering
Building Information Modelling for building services models in 3D, with information enrichment, material take-offs and data preparation for facility management and renovations.
Trust & reputation

ranQ Trust Score of Oekoplan AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Oekoplan 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.
x
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%
Oekoplan AG scores 88.8 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.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%
Oekoplan AG 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%
Oekoplan AG scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oekoplan 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.

Knowledge

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Location

Raiffeisenplatz 8
9000 St. Gallen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.256.188
Founded
1988 · 38 years
Last commercial register change
July 23, 2024
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.100.03%
    • Full methodology

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