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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureEnvironmental engineerHerisauFlaman GmbH
Flaman GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Flaman GmbH provides services in the construction sector, including building expert assessments and investigations. Its services also include repair planning, energy calculations, and analyses for hazardous substances and radon.

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Offering

Products & services

Industry:Environmental engineerRenovation
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4.1/5

Flaman GmbH

Energy consulting
✓ Offered6
Construction expertises
Construction expertises for evidence collection, quality assurance, decision support and dispute resolution; private reports and court reports before, during or after construction work.
Building rehabilitation
Building rehabilitation with analysis of the property, development of a rehabilitation concept, planning of the prioritised measures and implementation of the restoration.
Energy calculation
Calculation and planning of the building envelope, insulation measures, heating loads, window sizing and thermal bridges; support with funding and energy-related measures.
Building diagnostics
Non-destructive or minimally invasive building inspections with measurements and material sampling regarding heat losses, moisture damage, pollutants, load-bearing structure and durability.
Hazardous substance analysis
Hazardous substance investigations and building checks for asbestos, PCB, PCP, PAH, KMF, formaldehyde, mould and lindane; including risk analyses and remediation concepts.
Radon analysis
Radon expertises and radon measurements for new and existing construction as well as subsoil; measurement expertise for living spaces, schools, kindergartens and workplaces.
Trust & reputation

ranQ Trust Score of Flaman GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Flaman GmbH 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%
Flaman GmbH scores 83.0 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%
Flaman GmbH scores 83.3 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).83.322%
Flaman GmbH scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Flaman GmbH 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 November 2026.

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

Knowledge

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Location

St. Gallerstrasse 53
9100 Herisau

At a glance

Legal form
Limited Liability Company
UID
CHE-116.334.186
Founded
2010 · 16 years
Last commercial register change
May 23, 2011
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.
88.0
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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