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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationSports & Recreation InstructionGrôneXtrem Diving Bétrisey
Xtrem Diving Bétrisey Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company XTREM DIVING offers diving courses, training and experiences. The core activity includes the teaching of diving knowledge and skills by certified PADI instructors, as well as the organization of diving trips and events in various bodies of water, including lakes and seas.

AI-generated
Offering

Products & services

Industry:Sports & Recreation Instruction
✓ Offered5
Dive Courses
Dive courses, Open Water Diver, Advanced Open Water Diver, Rescue Diver + EFR certifications; deep diving specialties, dry suit, Nitrox and wreck diving.
Intro Dives
Intro dives in the pool and in open water, for a first guided experience with PADI supervision.
Dive Explorations
Walks and exploration of dive sites in central Valais, with two dives and an aperitif offered at the end of the dive.
Diving Equipment Rental
Equipment rental with a complete kit and cylinder, on request via contact.
Diving Cylinder Filling
Self-service filling station for diving cylinders, with air 21% and Nitrox 32% or 36%; annual subscription or one-off filling.
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4.1/5

Xtrem Diving Bétrisey

Trust & reputation

ranQ Trust Score of Xtrem Diving Bétrisey: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Xtrem Diving Bétrisey scores 85.3 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.87.024%
  • 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.73.510%
  • 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.95.08%
Xtrem Diving Bétrisey scores 57.0 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.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%
Xtrem Diving Bétrisey 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%
Xtrem Diving Bétrisey scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Xtrem Diving Bétrisey reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 17 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
5
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle517
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue de Pramagnon 19
3979 Grône
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
08:00 - 17:00
Sun
08:00 - 17:00

At a glance

Legal form
Sole proprietorship
UID
CHE-372.942.078
Founded
2023 · 3 years
Last commercial register change
June 16, 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.
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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