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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsZurichKnaute Trommelbau
Knaute Trommelbau Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Knaute Trommelbau is a workshop and retail shop for percussion instruments and accessories that provides manufacture, sales, repairs and overhauls. Services also include instrument rental, expert assessments, workshops and transport/pick‑up services.

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Offering

Products & services

Industry:Repair of Consumer GoodsGeneral Goods ProductionRetail - General Specialty Trade
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4.2/5

Knaute Trommelbau

✓ Offered7
Repairs and revisions
Repairs, revisions and maintenance of percussion instruments; inspections, needs analyses, pickup and delivery service as well as service contracts for schools and orchestras.
Swiss drums (Basler Trommeln)
Production of Swiss drums, accessories and custom designs on request; in addition, shell adjustment, sound optimisation, head replacement, replacing ropes and assembly of rim and rope protectors.
Percussion instruments and accessories
Sale of percussion instruments and accessories in the specialist shop and online; over 1,000 items, special orders as well as display models, remaining stock and used instruments.
Concert rental
Short-term rental of percussion instruments for concerts and projects; rental stock for orchestral percussion, plate instruments, marching, drum kits, small, Afro and Latin percussion, as well as transport, setup and dismantling.
Drum kit rental
Rental offer for acoustic drum kits and e-drums for learners and beginners; minimum rental period, delivery possible, accessories such as sheet music books, stands, beaters, hearing protection and a metronome.
Expertises
Professional valuations and expert reports for historical instruments, for insurers, sales and claims.
Workshops
Workshops and presentations on instrument care, maintenance and handling; continuing education for music teachers as well as offerings for associations, clubs, schools and institutions.
Trust & reputation

ranQ Trust Score of Knaute Trommelbau: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Knaute Trommelbau scores 78.9 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.77.024%
  • 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.70.510%
  • 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%
Knaute Trommelbau scores 76.4 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.95.212%
  • 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%
Knaute Trommelbau scores 85.0 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).85.022%
Knaute Trommelbau scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Knaute Trommelbau reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 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 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schaffhauserstrasse 21
8006 Zurich
Opening hours
Mon
Closed
Tue
12:00 - 18:30
Wed
12:00 - 18:30
Thu
12:00 - 18:30
Fri
12:00 - 18:30
Sat
10:00 - 16:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-428.732.371
Founded
2013 · 13 years
Last commercial register change
February 12, 2014
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.
67.0
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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