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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIT & CommunicationIT supportSchattdorfComputer-Studio, Richard Zgraggen
Computer-Studio, Richard Zgraggen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Computer-Studio, Richard Zgraggen provides one-to-one and small-group computer training, including courses on Microsoft Office applications and ICDL programmes. Its services also include user support, office and business-address services, and web design.

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Service area

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Products & services

Industry:IT supportContinuing education provider
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4.1/5

Computer-Studio, Richard Zgraggen

✓ Offered7
Training
In-person small-group courses in computer fundamentals, word processing, spreadsheets, presentations, internet and email, as well as other topics.
ICDL certificate courses
Courses for the ICDL certificate, including Base Classic, Base Workforce and Expert, with modules covering computer fundamentals, online fundamentals, Word, Excel and PowerPoint.
Online training
Courses, individual course modules and tailor-made coaching as online training with personal guidance directly on your own computer at the office or at home.
One-to-one coaching
Tailored computer training with a personal learning plan, flexible pace and free scheduling, also for returning learners and during a job change.
User support
Support when working with the computer and with problems involving Word, Excel and other computer applications, around the clock and throughout the year.
Web design
Creation and setup of Jimdo websites, domain and email administration, website creation up to ten pages, instructions for updating content and page refreshes.
Office and registered address service
Administrative relief with office and registered address service, handling paperwork and support in day-to-day administration.
Trust & reputation

ranQ Trust Score of Computer-Studio, Richard Zgraggen: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Computer-Studio, Richard Zgraggen scores 61.4 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.76.724%
  • 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.45.610%
  • 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.35.08%
Computer-Studio, Richard Zgraggen scores 78.5 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%
Computer-Studio, Richard Zgraggen scores 86.7 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).86.722%
Computer-Studio, Richard Zgraggen scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Computer-Studio, Richard Zgraggen reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gandegg 4
6467 Schattdorf

At a glance

Legal form
Sole proprietorship
UID
CHE-108.592.510
Founded
1996 · 30 years
Last commercial register change
September 29, 2006
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • URSchattdorf
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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