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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesZurichH. Kreiner Holding AG
H. Kreiner Holding AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

H. Kreiner Holding AG provides roofing and metalwork services, including flat roof and pitched roof work as well as roof maintenance. Its further activities include lightning protection, photovoltaics, expert assessments and occupational safety.

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Offering

Products & services

Industry:Specialized Construction Activities
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H. Kreiner Holding AG

Holding Companies
✓ Offered8
Sheet Metal Work
Sheet metal work for metal roofs, facade cladding, pitched-roof flashing, flat-roof flashing and decorative metal craftsmanship.
Flat Roof Waterproofing
Flat roof waterproofing with polymer-bitumen membranes, plastic waterproofing membranes, green roofs, Combiflex, mastic asphalt, plus surveys and cost estimation.
Pitched Roof Work
Pitched roof work with clay tiles, concrete tiles, Eternit slate, natural slate, corrugated fibre-cement, profiled sheet metal and Prefa, including advice and installation.
Lightning Protection Systems
Planning, design, quotations, external and internal lightning protection, earth rods, grounding tapes, acceptance reports, plus upgrades and refurbishment of systems.
Photovoltaic Systems
Photovoltaic systems on flat and pitched roofs, including installation with EKZ Eltop AG and use for self-consumption and electric vehicle charging.
Roof Maintenance Service
Roof maintenance service for flat roofs with condition reports, probe openings, emergency support, service contracts and surveys to maintain functionality.
Expert Reports
Expert reports for building defects and construction damage, plus technical advice on sheet metal work, lightning protection systems and pitched and flat roofs.
Workplace Safety
Workplace safety for construction work with safety concepts, risk assessments, safety rules, training, and planning and installation of protective measures.
Trust & reputation

ranQ Trust Score of H. Kreiner Holding AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

H. Kreiner Holding 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%
H. Kreiner Holding AG scores 53.4 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.25.012%
  • 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%
H. Kreiner Holding AG 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%
H. Kreiner Holding AG scores 42.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

H. Kreiner Holding AG reaches a ranQ Trust Score of 3.8 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

Langmauerstrasse 27
8006 Zurich

At a glance

Legal form
Corporation
UID
CHE-376.560.451
Founded
2025 · 1 year
Last commercial register change
October 31, 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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