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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceSumiswaldST73 Brechbühl
ST73 Brechbühl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ST73 Brechbühl is a carpentry company specializing in the manufacture, assembly, and maintenance of windows, doors, and insect protection systems. The core activities include: production and sale of windows and doors made of various materials such as plastic, wood, aluminum, and combinations thereof; assembly and installation of windows and doors; service and maintenance of windows and doors; consulting and planning of fire protection solutions for windows and doors; production and sale of insect protection systems and pleats for windows and doors. The company also offers individual room design solutions and consulting services for customers.

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Offering

Products & services

Industry:Building MaintenanceInterior Construction
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4.1/5

ST73 Brechbühl

✓ Offered5
Windows & doors
Windows and doors for new builds, renovations and replacement; PVC, PVC-aluminium, timber and timber-aluminium windows, aluminium doors and interior doors.
Service work
Service work around windows, doors and insect protection; support with maintenance, repairs and general service call-outs.
Insect protection
Insect protection systems for windows, doors and light wells; simple solutions against insects in residential and commercial areas.
Plissé blinds
Plissé blinds as privacy and sun protection for various types of windows; adaptable for individual room design.
Fire protection solutions for doors and windows
Consulting and custom fire protection solutions for doors and windows, taking into account current regulations and legal requirements.
Trust & reputation

ranQ Trust Score of ST73 Brechbühl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

ST73 Brechbühl 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%
ST73 Brechbühl scores 78.5 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.100.012%
  • 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%
ST73 Brechbühl 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%
ST73 Brechbühl scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ST73 Brechbühl 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.

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Location

Haselacker 13
3454 Sumiswald

At a glance

Legal form
Sole proprietorship
UID
CHE-113.254.332
Founded
2006 · 20 years
Last commercial register change
February 19, 2013
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.
67.0
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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