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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesDübendorfKlein Computer System AG
Klein Computer System AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Klein Computer System AG is the provision of IT services, particularly in the areas of: IT consulting and implementation, managed IT services, repair and maintenance of IT products (especially HPE, HP and Lenovo), sustainability and lifecycle management of IT infrastructures, and helpdesk services and customer care. The company thus offers comprehensive IT services for businesses, ranging from consulting and implementation to maintenance and repair of IT products.

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Products & services

Industry:IT Consulting & Services
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4.4/5

Klein Computer System AG

IT Infrastructure & Cloud
✓ Offered5
Managed IT
IT consulting, operation, monitoring, maintenance and support for the entire IT infrastructure; cloud, client, network, server and storage services, including managed services and Helpdesk SPOC.
Customer Care
Sales and consulting for IT solutions, hardware-as-a-service and HPE GreenLake; including flexible procurement models for hardware from HP, HPE, Aruba and Fortinet.
Repair Center
Warranty and paid repairs for HPE, HP and Lenovo business products; analysis, spare-parts procurement, repair, functional tests and inspection in the service center or on site.
Artificial Intelligence
Building AI expertise, workshops, assessments and development of AI-based solutions; focus on HPE Private Cloud AI, internal process optimization and customer-oriented use cases.
Sustainability
Sustainable IT strategies, lifecycle management, reuse and upcycling of ICT hardware, as well as secure data cleansing and, on request, certification of the deletion.
Trust & reputation

ranQ Trust Score of Klein Computer System AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Klein Computer System AG scores 83.2 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.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.94.410%
  • 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.88.08%
Klein Computer System AG scores 89.3 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.70.07%
Klein Computer System AG 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%
Klein Computer System AG scores 50.7 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Klein Computer System AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 40 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 40 reviews across all connected sources

Sources
GGoogle4.640
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 20, 2020Media
Klein Computer System AG : «Infrastructure as a Service als Megatrend»
baublatt.ch

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Location

Zürichstrasse 51
8600 Dübendorf
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.623.936
Founded
1986 · 40 years
Last commercial register change
January 24, 2022
Employees
11 to 20
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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