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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationSports & Recreation InstructionKlostersSwiss Tennisschool Klosters, Rolf Semmler
Swiss Tennisschool Klosters, Rolf Semmler Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is providing services in the field of winter sports and tennis, particularly arranging ski lessons and tennis lessons, as well as organizing ski and tennis tournaments. The company also offers private ski lessons and tennis hours and has its own ski and tennis school in Klosters.

AI-generated
Offering

Products & services

Industry:Sports & Recreation Instruction
✓ Offered4
Tennis coaching
Private coaching and group coaching at Klosters Arena, including video analysis and statistics with Wingfield; children’s groups by arrangement.
Ski coaching
Private and group coaching in the ski area of your choice, as half-day, full-day, night skiing and off-piste; coaching with 1–6 participants.
Ski & tennis combination
Combined programmes with ski coaching in the morning or half-day and tennis coaching in the afternoon; also a weather-related switch from ski to tennis training.
Kids’ tennis
Kids’ tennis training in groups, after skiing or in the afternoon; group sizes from four children, appointments also on request.
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4.1/5

Swiss Tennisschool Klosters, Rolf Semmler

Trust & reputation

ranQ Trust Score of Swiss Tennisschool Klosters, Rolf Semmler: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Swiss Tennisschool Klosters, Rolf Semmler 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%
Swiss Tennisschool Klosters, Rolf Semmler scores 75.3 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.92.512%
  • 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%
Swiss Tennisschool Klosters, Rolf Semmler 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%
Swiss Tennisschool Klosters, Rolf Semmler scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Swiss Tennisschool Klosters, Rolf Semmler 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

Gsteinweg 3b
7250 Klosters

At a glance

Legal form
Sole proprietorship
UID
CHE-231.732.318
Founded
2014 · 12 years
Last commercial register change
September 26, 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.67.06%
  • 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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