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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationSports & Recreation InstructionHornTiefenstein AG
Tiefenstein AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Tiefenstein UnterwasserWelten encompasses the areas of diving, underwater work, and diving equipment. Specifically, the company offers: diving equipment and accessories, diving courses and training (e.g. OWD, specialty courses, diving groups), underwater work (e.g. pipe cleaning, underwater inspections), service and maintenance of diving equipment, rental of diving equipment and accessories, organization of diving trips and events, and sale of diving equipment and accessories in the shop and online store. The company positions itself as a full-service provider for divers and companies requiring underwater work.

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Offering

Products & services

Industry:Sports & Recreation Instruction
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Tiefenstein AG

✓ Offered5
Dive school / training
Dive instruction with introductory dives, basic courses, further training, refresher courses, specialty courses, Rescue Diver, React Right, underwater photography and courses for professional divers and dive instructors.
Freediving / snorkeling
Freediving and snorkeling courses with Try Freediving, Basic Freediving, Pool Freediving, Freediving Level 1 and learning to snorkel according to SSI.
Dive equipment rental
Rental equipment and individual gear items such as cylinders, regulators, jackets, suits, lights, computers, ABC equipment, scooters and equipment boxes.
Gas fillings and external filling stations
Air, EanX, Nitrox, Trimix, oxygen, helium and argon fills, 24 h external filling stations, custom mixes and VIP external filling stations.
Trips / events
Dive events and dive trips with WeDive Travel, including individual advice and booking, tailor-made trips, group reductions and the travel guarantee fund.
Trust & reputation

ranQ Trust Score of Tiefenstein AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Tiefenstein AG scores 85.5 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.80.024%
  • 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.87.310%
  • 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%
Tiefenstein AG scores 85.5 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.55.07%
Tiefenstein 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%
Tiefenstein AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tiefenstein AG 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 30 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 30 reviews across all connected sources

Sources
GGoogle4.730
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Seestrasse 19
9326 Horn
Opening hours
Mon
Closed
Tue
10:00 - 12:00, 13:30 - 18:30
Wed
10:00 - 12:00, 13:30 - 18:30
Thu
10:00 - 12:00, 13:30 - 18:30
Fri
10:00 - 12:00, 13:30 - 18:30
Sat
08:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.886.078
Founded
2003 · 23 years
Last commercial register change
September 19, 2022
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.
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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