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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageSionBTA Immo Sàrl
BTA Immo Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

BTA Immo Sàrl designs, manufactures and installs custom aluminium exterior solutions such as verandas, bioclimatic pergolas, windows, balcony glazing systems, shutters, screens and railings. Services include in-house fabrication, turnkey project management and coordination of administrative procedures.

AI-generated
Offering

Products & services

Industry:Real Estate Brokerage
✓ Offered9
Verandas
Custom aluminium-and-glass verandas, including project study, planning, administrative procedures, construction and local fabrication in Sion.
Terrace roofs
Terrace roofs in aluminium and glass, with customised plans, management of administrative procedures, fabrication in Sion, delivery and home installation.
Awnings, shutters and insect screens
Indoor and outdoor awnings, aluminium shutters hinged or sliding, insect screens with professional installation and solutions for sun protection and shading.
Enclosures for balconies and terraces
Custom enclosures for balconies and terraces, creating a living space usable all year round, protected from wind, rain and temperature variations.
Entry vestibule
Custom entry vestibules integrated into the facade as a small veranda, with a choice of materials and shapes, thermal insulation and storage space.
Windows
Windows in aluminium and PVC, including measurement surveys, installation, small masonry work if needed, express replacement and improved thermal and acoustic insulation.
Vitrage Cover
Glazing for balconies and terraces with full opening, unobstructed view, protection against wind, dust and pollen, and noise reduction.
Bioclimatic pergolas (Biossun)
Biossun bioclimatic pergolas for terraces and gardens, with natural temperature regulation, protection from showers and delivery-installation on site.
Balustrades and guardrails
Custom barriers and balustrades in glass, metal or combined designs, for balconies, staircases, mezzanines and walkways, with professional installation.
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4.4/5

BTA Immo Sàrl

Trust & reputation

ranQ Trust Score of BTA Immo Sàrl: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

BTA Immo Sàrl scores 86.8 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.80.624%
  • 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.91.110%
  • 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.100.08%
BTA Immo Sàrl scores 76.9 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.70.212%
  • 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.82.07%
BTA Immo Sàrl 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%
BTA Immo Sàrl scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BTA Immo Sàrl reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 35 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
4.7
of 5

Aggregated from 35 reviews across all connected sources

Sources
GGoogle4.735
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route d'Aproz 6a
1950 Sion
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:15
Tue
07:30 - 11:45, 13:00 - 17:15
Wed
07:30 - 11:45, 13:00 - 17:15
Thu
07:30 - 11:45, 13:00 - 17:15
Fri
07:30 - 11:45, 13:00 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-161.015.385
Founded
2020 · 6 years
Last commercial register change
April 29, 2024
Employees
21 to 50
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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