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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentNature conservation organizationFrickOommen Sahlender Consulting
Oommen Sahlender Consulting Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Oommen Sahlender Consulting provides consulting, planning and certification services for sustainable construction. Its work includes support with building certifications such as Minergie-ECO, SNBS, DGNB/SGNI, LEED and WELL, building life-cycle assessments, material reviews, workshops and ESG consulting for real estate.

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Products & services

Industry:Nature conservation organization
✓ Offered5
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Oommen Sahlender Consulting

Building certifications
Advisory support and project management for Minergie-ECO, SNBS, DGNB Switzerland/SGNI, LEED and WELL certifications for new builds, renovations and existing buildings.
Life cycle assessment of buildings
Life cycle assessment to evaluate environmental impacts such as embodied energy and greenhouse gas potential, as well as to compare design variants and optimisation options in early planning phases.
Workshops
Workshops for architects and investors on available certifications and tools for sustainable construction.
Material testing
Comparison of building materials and building products with regard to construction ecology.
ESG consulting for real estate
ESG verification for the EU taxonomy and development of a CO2 reduction pathway and/or a climate protection roadmap for real estate.
Trust & reputation

ranQ Trust Score of Oommen Sahlender Consulting: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 54% · As of November 2026

Oommen Sahlender Consulting 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%
Oommen Sahlender Consulting scores 52.6 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.39.612%
  • 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%
Oommen Sahlender Consulting scores 86.7 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).86.722%
Oommen Sahlender Consulting scores 7.7 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 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oommen Sahlender Consulting reaches a ranQ Trust Score of 3.7 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Grubenstrasse 9c
5070 Frick
Opening hours
Mon
08:30 - 17:30
Tue
08:30 - 17:30
Wed
08:30 - 17:30
Thu
08:30 - 17:30
Fri
08:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-417.124.871
Founded
2024 · 2 years
Last commercial register change
August 14, 2024
Employees
1 to 10

Active in 1 of 26 cantons

  • AGAargau
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.
67.0
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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