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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryGeneral Goods ProductionDietikonDirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker
Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the construction, tuning, voicing, regulation, repair and restoration of pianos and harpsichords, as well as the maintenance of pianos and grand pianos at concerts, music festivals and festivals.

AI-generated
Offering

Products & services

Industry:General Goods Production
✓ Offered10
Piano tuning, voicing and regulation
Tuning, voicing and regulation of pianos and grand pianos; adjustment of sound and playing characteristics for private customers, concerts, music schools and parishes.
Repair and restoration
Repair and restore pianos and grand pianos, including reconditioning and restoration of the instruments.
Concert tunings and concert services
Concert tunings, concert services and musical support during performances, festivals and other events.
Artist support and festival support
Support for instruments and artists at festivals, music weeks, concerts and other events.
CD recordings
Participation in CD recordings with piano-technical support in the recording context.
Replace hammers on site
Replacement of hammer heads directly on site as a repair and service for pianos and grand pianos.
Silent system installation and service
Installation and servicing of Silent systems for pianos and grand pianos.
Self-player service and Spirio service
Service for self-playing systems and Spirio systems on pianos and grand pianos.
Appraisals and valuations
Appraisals and valuations of pianos and grand pianos, including assessment of condition and value.
Instrument brokering as well as purchase and sale of pianos and grand pianos
Instrument brokering as well as purchase and sale of pianos and grand pianos for private customers and other clients.
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Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker

Trust & reputation

ranQ Trust Score of Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker

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

Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker 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%
Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker scores 67.8 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.75.012%
  • 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%
Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker 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%
Dirk Jenfeldt, Klavier- und Cembalobauer Steinwaytechniker 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.

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Location

Lärchenstrasse 21
8953 Dietikon

At a glance

Legal form
Sole proprietorship
UID
CHE-479.745.177
Founded
2019 · 7 years
Last commercial register change
March 14, 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.67.06%
  • 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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