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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsHaute-NendazLionel Ballmer architectes Sàrl
Lionel Ballmer architectes Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Lionel Ballmer architectes Sàrl is an architectural practice providing design and delivery of renovation, extension and new residential projects. Project descriptions on the website reference timber construction solutions (including CLT) and technical systems such as pellet boilers.

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Products & services

Industry:Architecture FirmsConstruction & Project Management
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3.8/5

Lionel Ballmer architectes Sàrl

Property Management
✓ Offered3
Architectural office
Architectural office based in Sion and Nendaz, active throughout Switzerland for conversions, extensions, renovations and new residential construction.
Conversion, extension and renovation projects
Architectural firm with projects for conversions, extensions and renovations, for existing buildings and homes.
New construction of residential buildings
Architectural office for new-build projects of residential buildings, active throughout Switzerland.
Trust & reputation

ranQ Trust Score of Lionel Ballmer architectes Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of October 2026

Lionel Ballmer architectes Sàrl 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%
Lionel Ballmer architectes Sàrl scores 61.5 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.50.012%
  • 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%
Lionel Ballmer architectes Sàrl 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%
Lionel Ballmer architectes Sàrl scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lionel Ballmer architectes Sàrl reaches a ranQ Trust Score of 3.8 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

Chemin de la Coudreyge 25
1997 Haute-Nendaz

At a glance

Legal form
Limited Liability Company
UID
CHE-258.071.484
Founded
2023 · 3 years
Last commercial register change
August 11, 2023
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.88.06%
  • 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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