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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionBaselBorer Metallbau GmbH
Borer Metallbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Borer Metallbau GmbH provides metal construction and locksmith services. Its offerings include consulting, planning, fabrication and installation of custom metal constructions—such as doors, railings, windows, façade elements, staircases and mailbox systems—and ongoing service, maintenance and repair work including fire-door servicing.

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Offering

Products & services

Industry:Metal Construction
✓ Offered
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3.9/5

Borer Metallbau GmbH

5
Execution of metal construction work
Consulting from the first idea through to the completed build, execution of custom locksmith and metalwork; doors, windows, railings, façade elements, letterbox systems and fire-protection doors.
Service and maintenance of metal structures
Maintenance of fire-protection doors, repair and maintenance of metal structures, advice on caring for metal structures as well as general repairs in metal construction.
Balcony and seating area glazing
Balcony glazing, seating area glazing as well as glazing for entrances, roofs and shop windows as part of metal construction and façade work.
Facade and entrance elements
Facade consulting, façade elements, entrance glazing and canopies for construction and renovation projects.
Staircase construction and room dividers
Staircase construction, basement partition walls, room divider elements and special components for tailor-made metal construction projects.
Trust & reputation

ranQ Trust Score of Borer Metallbau GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Borer Metallbau GmbH scores 73.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.78.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.49.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Borer Metallbau GmbH scores 57.1 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.39.612%
  • 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.55.07%
Borer Metallbau GmbH scores 85.0 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).85.022%
Borer Metallbau GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Borer Metallbau GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Sundgauerstrasse 16
4055 Basel
Opening hours
Mon
07:30 - 18:00
Tue
07:30 - 18:00
Wed
07:30 - 18:00
Thu
07:30 - 18:00
Fri
07:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-481.886.367
Founded
2024 · 2 years
Last commercial register change
November 13, 2024
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.
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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