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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Bicycles & Sports EquipmentSt. MoritzBoom AG, St. Moritz
Boom AG, St. Moritz Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Boom Sport is the sale and rental of sports equipment and clothing in a stationary store in St. Moritz, Switzerland.

AI-generated
Offering

Products & services

Industry:Retail - Bicycles & Sports Equipment
✓ Offered6
Sports goods and outdoor equipment
Sportswear, shoes and equipment for bike, outdoor, running, winter sports, travel and recovery & fitness; for women, men and children.
Renting bike and winter sports equipment
Rental of mountain bikes, e-bikes, kids’ bikes, skis, cross-country equipment, helmets, sleds, ice skates and snowshoes; summer and winter rentals with advice.
Bike service
Annual service, brake and drivetrain service, tire and inner tube replacement, e-bike diagnostics, repairs, installation of accessories and spare parts, safety checks.
Ski service
Ski maintenance and repairs including edge grinding, binding mounting, safety check and personal advice; available seasonally from December.
Cross-country ski service
Care and preparation of cross-country skis with edge grinding, waxing, structure grinding, binding mounting, safety check and personal advice; available seasonally from December.
Ice skate sharpening
Ice skate sharpening as an additional workshop service for winter and ice sports equipment.
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4.4/5

Boom AG, St. Moritz

Trust & reputation

ranQ Trust Score of Boom AG, St. Moritz: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Boom AG, St. Moritz scores 82.7 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.69.824%
  • 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.100.010%
  • 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%
Boom AG, St. Moritz 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%
Boom AG, St. Moritz 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%
Boom AG, St. Moritz scores 65.7 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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Boom AG, St. Moritz reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 198 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
4.4
of 5

Aggregated from 198 reviews across all connected sources

Sources
GGoogle4.4198
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Via Tegiatscha 5
7500 St. Moritz
Opening hours
Mon
08:00 - 12:15, 14:00 - 18:30
Tue
08:00 - 12:15, 14:00 - 18:30
Wed
08:00 - 12:15, 14:00 - 18:30
Thu
08:00 - 12:15, 14:00 - 18:30
Fri
08:00 - 12:15, 14:00 - 18:30
Sat
08:00 - 12:15, 14:00 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.050.548
Founded
1969 · 57 years
Last commercial register change
December 30, 2025
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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