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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringIttigenInfraBlow.Siegrist GmbH
InfraBlow.Siegrist GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Infrablow.Siegrist GmbH is the provision of services in the field of building physics and energy certification, particularly: Consulting and planning in the areas of thermal insulation, sound insulation and energy efficiency; Conducting energy audits and creating energy certificates (e.g. Minergie, GEAK, GEAK Plus); Infrared thermography for analyzing heat losses and visualizing thermal bridges; Blower-door tests to check the airtightness of buildings; Building damage analysis and consulting. The company thus offers a comprehensive range of services to improve building energy efficiency and safety.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

InfraBlow.Siegrist GmbH

✓ Offered3
Building Physics & GEAK
Building physics, GEAK and GEAKPlus consulting, energy performance certificates, thermal protection, sound insulation, Minergie, funding programme consulting, and planning and execution checks.
Blower-Door
Blower-Door measurements to verify the airtightness of the building envelope, including air-leakage detection, quality assurance, measurements with MultipleFan and DoorFan.
Infrared Thermography
Infrared thermography for heat-loss analyses, visualization of thermal bridges, quality control, building-damage analyses, and location of floor heating systems and structural elements.
Trust & reputation

ranQ Trust Score of InfraBlow.Siegrist GmbH: 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.

InfraBlow.Siegrist 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.
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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%
InfraBlow.Siegrist GmbH scores 77.2 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.86.512%
  • 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%
InfraBlow.Siegrist GmbH 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%
InfraBlow.Siegrist GmbH 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

InfraBlow.Siegrist 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 October 2026.

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

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Location

Grauholzstrasse 2
3063 Ittigen
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-171.387.109
Founded
2016 · 10 years
Last commercial register change
April 8, 2026
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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