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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior fit-outArisdorfBertschi Sauna GmbH
Bertschi Sauna GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bertschi Sauna GmbH plans, builds and installs Finnish saunas for indoor and outdoor use, as well as sauna facilities for commercial clients. Its services include custom-made solutions, consultation, maintenance and repairs.

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Service area

Offering

Products & services

Industry:Interior fit-out
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4.0/5

Bertschi Sauna GmbH

✓ Offered9
Garden saunas
Garden saunas made to measure for outdoor areas, including planning and turnkey implementation; on request with an anteroom, wet area, relaxation area, guest room or roof greening.
Built-in and indoor saunas
Built-in and indoor saunas made to measure for basements, attics, bathrooms, living areas or other special room situations; planning, design and installation included.
Commercial sauna facilities
Commercial sauna facilities and sauna landscapes for hotels, baths or similar facilities; planning, execution and turnkey overall concepts from a single source.
Turnkey solutions for spa areas
Complete spa areas for indoor and outdoor use, including design of the entire spa oasis and turnkey implementation with partners.
Custom-made saunas
Individually planned saunas according to room, preferences and needs; solutions for special conditions, different sizes and barrier-free designs.
Sauna equipment
Smart controls, lighting and sound systems, glass and design options, as well as infrared combinations for new or existing saunas.
Care & maintenance for saunas
Care, maintenance, cleaning and technical checks for our Finnish saunas; also service packages for wellness oases and electrical installations.
Sauna stove
Sauna stoves with original Finnish natural stone for mild, comfortable radiant heat; as part of the sauna equipment and sauna experience.
Planning & consulting
Personal consultation, planning sketches, cost estimates as well as furnishing and design ideas for sauna, wet and relaxation areas.
Trust & reputation

ranQ Trust Score of Bertschi Sauna GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of November 2026

Bertschi Sauna GmbH scores 63.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.73.124%
  • 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.35.310%
  • 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.70.08%
Bertschi Sauna GmbH scores 77.2 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.86.512%
  • 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%
Bertschi Sauna GmbH scores 86.7 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).86.722%
Bertschi Sauna GmbH scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bertschi Sauna GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Berstelstrasse 14
4422 Arisdorf

At a glance

Legal form
Limited Liability Company
UID
CHE-461.890.561
Founded
2016 · 10 years
Last commercial register change
November 12, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLArisdorf
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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