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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesZurichDuo IT Services GmbH
Duo IT Services GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of IT services, including: * Maintenance and support of IT infrastructures * Placement of qualified specialists * Provision of software solutions * Planning and implementation of networks and innovative cloud solutions * IT support and security * Development of customized IT projects * Provision of cloud services, including flexible working, secure data storage and reliable server hosting * Creation of innovative workplace solutions that promote flexibility and collaboration.

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Offering

Products & services

Industry:IT Consulting & Services
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3.8/5

Duo IT Services GmbH

✓ Offered6
IT infrastructure
Analysis and optimization of the hardware and software environment, building a stable IT infrastructure, and planning and operating the IT environment.
Cloud solutions
Cloud integration and optimization for modernizing and scaling the IT infrastructure, including on-premise and cloud solutions.
IT support
Comprehensive support from initial troubleshooting to technical assistance for smooth operation of IT systems.
IT security
Backup and firewall management solutions to protect data and ensure security and data privacy.
Telephony solutions
Cloud-based telephony solutions with Microsoft Teams, 3CX and classic VoIP systems, tailored to the existing IT environment.
Modern workspace
Workplace solutions for flexible, location-independent working with modern technologies and tools to promote collaboration.
Trust & reputation

ranQ Trust Score of Duo IT Services GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Duo IT Services GmbH scores 67.5 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.75.024%
  • 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.40.910%
  • 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.78.08%
Duo IT Services GmbH scores 57.1 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.39.612%
  • 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%
Duo IT Services GmbH 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%
Duo IT Services GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Duo IT Services GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Engelstrasse 5
8004 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-446.804.933
Founded
2024 · 2 years
Last commercial register change
November 17, 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.
88.0
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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