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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionStein Am RheinBaugeschäft Heinz Kern AG
Baugeschäft Heinz Kern AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Heinz Kern AG is the construction business, specifically: master builder services, new buildings of all kinds, renovation of old properties and facades, renovation, conversion, drilling and scaffolding work, as well as customer masonry work for the interior of buildings. The company thus offers a wide range of services in the construction sector.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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Baugeschäft Heinz Kern AG

Civil Engineering
Site Preparation
✓ Offered8
Building construction
Building construction for residential, industrial and special structures, including exposed-concrete construction and façade construction.
Conversion & renovation
Conversion and renovation work, refurbishment of older properties, demolition and dismantling, as well as customer-focused building services in the Stein am Rhein region.
Civil engineering
Civil engineering work for building projects and infrastructure construction, complemented by site preparation, transport and skips.
Planning
Planning of building projects from the idea to handover, as part of the competencies for project execution.
Project development
Project development for building projects from the idea to delivery, as part of the competencies offered.
Property management
Property management as part of the service offering, focusing on ongoing care of properties.
Property marketing
Property marketing as a supplementary competence alongside planning, construction delivery, project development and property management.
Construction delivery
Construction delivery of building projects as a competence along the path from the idea to handover.
Trust & reputation

ranQ Trust Score of Baugeschäft Heinz Kern AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Baugeschäft Heinz Kern 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%
Baugeschäft Heinz Kern AG scores 74.3 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.58.012%
  • 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.82.07%
Baugeschäft Heinz Kern AG 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%
Baugeschäft Heinz Kern AG scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baugeschäft Heinz Kern 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

Hemishoferstrasse 36a
8260 Stein Am Rhein
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-192.740.631
Founded
2022 · 4 years
Last commercial register change
November 7, 2023
Employees
21 to 50
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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