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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationSports & Recreation InstructionDietlikonTennis DNA Academy Sakellariou & Ettlin KlG
Tennis DNA Academy Sakellariou & Ettlin KlG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Tennis DNA Academy Sakellariou & Ettin KlG provides tennis coaching for children, juniors and adults, covering levels from beginners to competitive players. Services include private and group lessons led by headcoach Athanasius Sakellariou (with Tennis Europe and ITF experience) and an on-site racket stringing service operated as SwissProStringer.

AI-generated
Offering

Products & services

Industry:Sports & Recreation Instruction
✓ Offered2
Tennis training
Individual and group tennis training for children, teenagers and adults, from beginners to competitive players; as private, semi-private, and group lessons for three or four people.
Racquet stringing service
Professional racquet stringing service for tennis racquets with stringing excluding strings, including strings, or with your preferred string; on request, also available as an express service within 24 hours or on the same day.
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Tennis DNA Academy Sakellariou & Ettlin KlG

Trust & reputation

ranQ Trust Score of Tennis DNA Academy Sakellariou & Ettlin KlG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Tennis DNA Academy Sakellariou & Ettlin KlG 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.
x
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%
Tennis DNA Academy Sakellariou & Ettlin KlG scores 38.2 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.0.012%
  • 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%
Tennis DNA Academy Sakellariou & Ettlin KlG scores 83.3 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).83.322%
Tennis DNA Academy Sakellariou & Ettlin KlG 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%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Bassersdorferstrasse 65
8305 Dietlikon

At a glance

Legal form
General Partnership
UID
CHE-285.006.029
Founded
2026 · 0 years
Last commercial register change
April 16, 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.79.06%
  • 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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