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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkErlenBoretti GmbH
Boretti GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Boretti GmbH provides roofing, sheet-metal (spengler) and sanitary installation services, as well as crane and work-platform services. Its offerings include steep and flat roof work, roof and facade sheet-metal work, lightning protection systems and work-platform and telescopic crane services for new build, renovation and conversion projects.

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Offering

Products & services

Industry:Sheet Metal Work
✓ Offered
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4.0/5

Boretti GmbH

7
Sheet Metal Work
Sheet metal work for roofs and facades, including roofing metalwork for renovations, new builds and conversions.
Steep Roof Work
Steep roof work for renovations, new builds and conversions, including planning and execution of pitched roofs.
Flat Roof Work
Flat roof work for new builds, conversions and renovations, including the execution of flat roofs.
Standing Seam Roofs and Facades
Standing seam roofs and facades for new builds, conversions and renovations, with metal and facade work execution.
Eternit Facades
Eternit facades for new builds, conversions and renovations, including facade cladding with fibre-cement panels.
Lightning Protection Systems
Lightning protection systems for buildings, including planning and installation of external lightning protection.
Aerial Work Platform and Telescopic Crane Rental
Aerial work platforms and telescopic cranes available for hire on request, for safe and rapid site operations.
Trust & reputation

ranQ Trust Score of Boretti GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Boretti 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%
Boretti GmbH scores 71.5 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.64.612%
  • 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.70.07%
Boretti GmbH 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%
Boretti GmbH scores 13.7 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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Boretti GmbH reaches a ranQ Trust Score of 4.0 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

Rösslistrasse 22
8586 Erlen

At a glance

Legal form
Limited Liability Company
UID
CHE-285.091.590
Founded
2021 · 5 years
Last commercial register change
October 12, 2021
Employees
11 to 20
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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