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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesSornard (Nendaz)TSA Sàrl
TSA Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

TSA Sàrl provides mountain guiding and outdoor services (trekking, ski, alpinism, climbing) together with rope-access work for construction, maintenance and interventions at height or in hard-to-reach locations. Services include roof and façade cleaning and maintenance, creation and upkeep of climbing walls and via ferrata, and the installation of anchors and fall-protection systems.

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Offering

Products & services

Industry:Specialized Construction ActivitiesSports & Recreation Instruction
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4.1/5

TSA Sàrl

✓ Offered4
Rope access
High-rise interventions and work in hard-to-reach areas using ropes and specific access techniques, including window and roof cleaning, maintenance, renovation and scaling of rock faces.
Work at height safety
Installation of anchors, lifelines, nets and other fall-protection solutions to secure working positions and sites at height.
Project management
Taking charge of renovation and construction projects, with management of the phases and coordination of work at height.
Mountain guiding
Mountain guiding for trekking, ski, mountaineering and climbing trips, in winter as well as summer, in the Alps and elsewhere.
Trust & reputation

ranQ Trust Score of TSA Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

TSA 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%
TSA Sàrl scores 74.1 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.79.212%
  • 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.55.07%
TSA 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%
TSA Sàrl scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TSA Sàrl 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

Chemin Vieux 60
1997 Sornard (Nendaz)

At a glance

Legal form
Limited Liability Company
UID
CHE-389.427.229
Founded
2018 · 8 years
Last commercial register change
July 6, 2026
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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