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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionSurseeBS Fenster- und Türenbau AG
BS Fenster- und Türenbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

BS Fenster- und Türenbau AG manufactures and installs windows and doors and provides related services such as glass replacement, repair work and maintenance. The company’s offerings include products and solutions for windows and doors as well as insect screens and pleated blinds.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered7
Window construction
Windows for new builds and conversions, wood-metal windows, wooden windows, frame glazing and lift-and-slide doors; production, planning, consultation, logistics and installation.
Door construction
Front doors made of wood and wood-metal, apartment entrance doors and interior doors; various versions as well as production, planning, logistics and installation.
Service for windows and doors
Maintenance, replacement of glass, repair work, remediation of break-in damage, replacement of seals, insect protection, pleated blinds as well as care and cleaning.
Consulting and sales
Personal consultation for new-build and conversion projects regarding windows and doors, clarification of requirements and selection of the appropriate solution.
Planning
Project support from order placement to final acceptance, with a dedicated point of contact for clients and planners.
Production
In-house production in Sursee using wood as the base, additional materials and factory in-house production control for windows and doors.
Installation
Installation of windows and doors by our own fitters at the customer's site, complemented by service fitters until project completion.
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4.4/5

BS Fenster- und Türenbau AG

Trust & reputation

ranQ Trust Score of BS Fenster- und Türenbau AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

BS Fenster- und Türenbau AG scores 84.4 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.86.724%
  • 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.83.810%
  • 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.78.08%
BS Fenster- und Türenbau AG scores 89.3 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.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.70.07%
BS Fenster- und Türenbau 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%
BS Fenster- und Türenbau AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BS Fenster- und Türenbau AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 26 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
4.9
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.926
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rigistrasse 11
6210 Sursee
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.409.680
Founded
2000 · 26 years
Last commercial register change
October 17, 2025
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.
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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