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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringEnnetbürgenCeO-Zwei Gebäudeanalysen, M. Ziegler
CeO-Zwei Gebäudeanalysen, M. Ziegler Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of CeO-Zwei Gebäudeanalysen is consulting and analyzing buildings and facilities with regard to energy efficiency and savings. This includes, among other things: building analysis and evaluation, energy concept creation, thermal imaging and thermography, air tightness measurement, creation of energy certificates and building energy certificates (GEAK), consulting for renovation, expansion, addition and conversion of buildings, and support in selecting companies and materials for energy-efficient renovations. The company positions itself as a neutral, product-independent specialist advisor and supports customers in optimizing their buildings and facilities in terms of energy efficiency and savings.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

CeO-Zwei Gebäudeanalysen, M. Ziegler

✓ Offered11
Building analysis
Building analyses for residential and commercial buildings, as a basis for refurbishment, renovation, partial renewal or comprehensive replacement; including analysis without GEAK for commercial buildings.
Advisory, building & measurement
Independent advisory for conversions, refurbishments, attic extensions and change of use; project proposals, cost estimates, building submissions, material selection, execution planning, coordination and measurements.
Energy concept
Preparation of energy concepts for existing and planned buildings; optimization of systems, coordination with the building envelope and operating equipment, estimate of consumption, operating costs and investments.
Heating system renewals
Advisory for renewing heating systems, including evaluation of variants, early planning, assessment of thermal insulation and review of new heat generators.
GEAK
Issuance of official cantonal building energy certificates; GEAK expertise for building analyses and energy certificates.
Energy certificates
Energy certificates according to SIA 380/1 and MuKEn, for entire systems or individual components as well as for building submissions; including certificates for buildings and systems.
Thermal imaging
Thermographic images and reports for assessing the building envelope and energy losses, in collaboration with irscat ag Oberdorf.
Air tightness testing
Measurement of building air tightness as part of building and energy advisory for conversions, renovation and energy measures.
Building physics
Building physics advisory in connection with conversions, renovation, energy measures and the building envelope.
Renovation coach
Guidance and advisory for conversions, modernizations and energy measures provided by an experienced renovation specialist.
Subsidy programs
Advisory on cantonal and national subsidy programs in connection with energy measures and building renewals.
Trust & reputation

ranQ Trust Score of CeO-Zwei Gebäudeanalysen, M. Ziegler: 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.

CeO-Zwei Gebäudeanalysen, M. Ziegler 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%
CeO-Zwei Gebäudeanalysen, M. Ziegler scores 78.5 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%
CeO-Zwei Gebäudeanalysen, M. Ziegler 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%
CeO-Zwei Gebäudeanalysen, M. Ziegler scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CeO-Zwei Gebäudeanalysen, M. Ziegler 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

Allmendstrasse 22
6373 Ennetbürgen

At a glance

Legal form
Sole proprietorship
UID
CHE-114.156.525
Founded
2008 · 18 years
Last commercial register change
September 11, 2017
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.67.06%
  • 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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