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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware developerZurichGTT Communications Switzerland Sàrl, Zweigniederlassung Zürich
GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich provides network and security services for enterprises, including managed networking (Internet, wide‑area networking, managed SD‑WAN), secure networking (SASE, cloud security), voice services (SIP Trunking, Cloud Phone), cloud solutions and professional services. The company uses the GTT Envision platform to orchestrate, monitor and optimize network and security services.

AI-generated
Offering

Products & services

Industry:Software developer
✓ Offered12
Managed SD-WAN
Transform your WAN with dynamic network traffic management, flexibility, speed, security and cost control.
SASE: Secure Connect
Enable secure and controlled access to applications from anywhere.
Cloud Security
Cloud security services for changing business requirements.
Internet
High-performance internet service with guaranteed bandwidth for hybrid workforces and cloud applications.
Wide Area Networking
Flexible Layer 2 and Layer 3 networking solutions for global offices, optimized traffic routing and scalable connectivity.
Cloud Connect
Direct connections to major cloud service providers with secure, low-latency access for sensitive workloads.
SIP Trunking
Integrating diverse communication capabilities onto a single global platform, with SIP-based voice network support.
Cloud Phone Direct
Global, scalable enterprise voice services for cloud-based telephony.
Hybrid Cloud
Public cloud flexibility with private cloud confidence, integrating with other clouds across the globe.
Application & Database Management
Advice and support for seamless integration and streamlined operations in complex cloud solutions.
Project Management
Project managers oversee delivery stages, align milestones to business objectives and manage risks for implementations.
Technical Management
Technical managers advise on current requirements and future planning, maintaining solution integrity and business alignment.
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4.0/5

GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich

Trust & reputation

ranQ Trust Score of GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich 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%
GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich scores 55.0 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.25.012%
  • 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.82.07%
GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich scores 83.3 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).83.322%
GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich 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

GTT Communications Switzerland Sàrl, Zweigniederlassung Zürich reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Josefstrasse 225
8005 Zurich

At a glance

Legal form
Branch
UID
CHE-479.077.795
Founded
2025 · 1 year
Last commercial register change
February 19, 2025
Employees
21 to 50
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.76.06%
  • 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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