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

About the company

The core activity of Grindelboulder AG is the operation of a bouldering hall, offering various courses and training sessions for individuals, groups, families and companies, including bouldering, climbing, technique courses, youth training, children's training and corporate events.

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Offering

Products & services

Industry:Sports & Recreation Instruction
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4.6/5

Grindelboulder AG

✓ Offered12
Bouldering hall
Heated bouldering hall with free bouldering problems, two halls, kids area, lockers, showers, lounge, bar, and regularly newly screwed routes.
Courses & training
Bouldering courses and bouldering trainings bookable online, including try-out and beginner courses, trainings and private lessons for children, teenagers, adults and families.
Kids training
Regular training for children aged 4 to 9 years, with a playful development of body tension, mobility, endurance and movement.
Youth training
Regular training for teenagers aged 10 to 15 years with guidance from trainers, focusing on fundamentals, team spirit and coordination.
Beginner courses
Introductory courses to get started with bouldering, in groups of two to six people, with fundamentals, rules and technique.
Private lessons
Individual bouldering sessions at times of your choice, also as training for one person or with friends, accompanied by a trainer.
Family offers
Family bouldering with an introduction, followed by free bouldering, plus refreshments with pizza and drinks.
Children's birthday
Children's birthdays with climbing in the hall and an additional programme for celebrations with friends.
Group offers
Bouldering for groups of three to six people with a try-out course, free bouldering as well as pizza and drinks.
Couples offers
Bouldering package for two people with a 30-minute introduction, free bouldering, and refreshments with pizza and drinks.
Company events
Guided bouldering events for companies, clubs and other organisations as an alternative to traditional team building.
Voucher
Bouldering voucher for online ordering, redeemable flexibly for entry tickets, courses, children's birthdays, trainings or purchases at the bar.
Trust & reputation

ranQ Trust Score of Grindelboulder AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Grindelboulder AG scores 90.2 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.84.524%
  • 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.95.08%
Grindelboulder 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%
Grindelboulder 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%
Grindelboulder AG scores 91.4 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 35.91.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grindelboulder AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 357 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 357 reviews across all connected sources

Sources
GGoogle4.7357
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Grindelstrasse 12
8303 Bassersdorf
Opening hours
Mon
15:00 - 23:00
Tue
15:00 - 23:00
Wed
12:00 - 23:00
Thu
15:00 - 23:00
Fri
15:00 - 23:00
Sat
12:00 - 19:00
Sun
12:00 - 19:00

At a glance

Legal form
Corporation
UID
CHE-474.586.428
Founded
2011 · 15 years
Last commercial register change
August 23, 2013
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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