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

About the company

The core activity of NESG AG is the planning and consulting of building envelopes, in particular facade and metal structures, including the integration of solar technology. This also includes door frame planning, building physics, statics and 2D and 3D planning. The company also offers owner representation for complex projects.

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Products & services

Industry:Technical Consulting & Engineering
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NESG AG

8
Building envelope planning
Building envelope planning from preliminary design through the construction design to construction supervision; 2D/3D and BIM planning, concept studies, project planning, detailed design and construction supervision.
Door specialist planning
Door specialist planning for projects, including consulting, design and technical support during implementation; listed as a separate services overview on the website.
Expert reports
Expert reports and technical investigations related to the building envelope, statics, building physics and energy-related issues.
Solar technology in the building envelope
Integration of solar technology into the building envelope, including planning and support as part of building envelope projects.
Client representation
Client representation for complex projects; supporting the client in planning, bill of quantities preparation, specialist site management and quality assurance.
Client advisory
Client advisory for building envelope and construction projects; support with concepts, project planning, tendering and execution.
Statics and building physics
Building envelope statics, glass and facade statics, FEM analyses, energy consulting, as well as sound insulation consulting and calculations.
Building-physics and energy services
Development of building-physics concepts, GEAK, Minergie planning and proofs, energy performance documentation, PV integration, as well as subsidy applications and maintenance concepts.
Trust & reputation

ranQ Trust Score of NESG 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.

NESG 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%
NESG AG scores 78.3 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.83.012%
  • 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%
NESG AG 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%
NESG AG 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

NESG 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

Hauptstrasse 27
5043 Holziken

At a glance

Legal form
Corporation
UID
CHE-451.801.515
Founded
2017 · 9 years
Last commercial register change
December 17, 2025
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.70.03%
    • Full methodology

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