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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesZurichSIU - Schweizerisches Institut für Unternehmerschulung AG
SIU - Schweizerisches Institut für Unternehmerschulung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company SIU (Swiss Entrepreneur School) offers continuing education courses and training programs for professionals from various industries, particularly for SMEs (Small and Medium-sized Enterprises), retail, crafts, trade and electrical industries. The core activity of the company is the implementation of educational and training programs to improve the skills and knowledge of business leaders, employees and self-employed individuals.

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Products & services

Industry:Continuing Education Institutes
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SIU - Schweizerisches Institut für Unternehmerschulung AG

✓ Offered9
Continuing education for adults
Initial and continuing education for adults in the fields of trades, retail, electrical engineering and pharmacies; from basic training through trainer courses to the higher technical college and higher professional examination.
Retail continuing education
Retail continuing education with qualifications and courses for retail specialists, store managers, trainers, retail professionals according to BBV Art. 32, as well as accounting and chemical law.
SME continuing education
SME continuing education with courses on business management, leadership, business administration, team leadership, financial management, the Advanced Business Diploma and preparation for federal qualifications.
Electrical engineering continuing education
Continuing education in electrical engineering with courses for electrical project managers, electrical engineering technicians HF and a passerelle to the dipl. Elektrotechniker HF.
Pharmacy continuing education
Pharmacy continuing education with courses for pharma business assistants, pharma team leaders and trainers in pharmacies.
Courses & seminars
Courses and seminars, including online offerings such as AI Leadership and Mit KI effektiver und effizienter lernen.
Information events
Information events about continuing education and individual modules, online and in Zurich, with the option to register for interested parties.
In-company courses
In-company courses for organizations, tailored to in-house continuing education needs and practice-oriented training.
Room rental
Room rental at SIU locations for external use and events.
Trust & reputation

ranQ Trust Score of SIU - Schweizerisches Institut für Unternehmerschulung AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

SIU - Schweizerisches Institut für Unternehmerschulung AG scores 77.5 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.60.624%
  • 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%
SIU - Schweizerisches Institut für Unternehmerschulung AG scores 94.3 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.90.07%
SIU - Schweizerisches Institut für Unternehmerschulung 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%
SIU - Schweizerisches Institut für Unternehmerschulung AG 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

SIU - Schweizerisches Institut für Unternehmerschulung AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.2 out of 5 stars from 80 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
4.2
of 5

Aggregated from 80 reviews across all connected sources

Sources
GGoogle4.280
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Verena-Conzett-Strasse 23
8004 Zurich
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.831.090
Founded
1967 · 59 years
Last commercial register change
December 5, 2025
Employees
51 to 100
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.100.06%
  • 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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