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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Infrastructure & CloudZurichOpen Systems AG
Open Systems AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company provides network services and security solutions, particularly in the area of Secure Access Service Edge (SASE). The core activities include: * Provision of SD-WAN-as-a-Service (Software-Defined Wide Area Networking) * Network security through firewalls, Secure Web Gateways, ZTNA (Zero Trust Network Access) and Advanced Threat Protection * Management of network connections and services, including Global Connectivity Services, Backbone, Last-Mile connectivity and Line Operations * Application optimization and security * Managed SASE services, including ROI analysis and customer portal * Technology and security consulting, including AI tools and automation The company focuses on providing secure, reliable and efficient network solutions for various industries, including manufacturing, financial services, insurance, higher education and non-governmental organizations.

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4.6/5

Open Systems AG

Offering

Products & services

Industry:IT Infrastructure & Cloud
✓ Offered6
Autonomous SASE Platform
Autonomous SASE platform with zero-trust access, secure web gateway, CASB, email security, firewall, SD-WAN and global connectivity in one API-first stack.
SSE and Zero-Trust Access
SSE layer with ZTNA, Secure Web Gateway, CASB, firewall, advanced threat protection and email security; identity-based access and 24/7 operations.
SD-WAN and Network Connectivity
SD-WAN on a private global backbone with encrypted routing, bandwidth control, application optimization, plus last-mile and global connectivity services.
Mission Control
Layer-3 operations with 24/7 global operations, expert-led incident response, monitoring, policy optimization and ongoing SASE operations handled for customers.
AIOps Operating Model
AIOps operating model with Lucy AI Operator, autonomous agents, threat intelligence, policy automation, detection and response, and digital experience monitoring.
Developer API and Automation
API-first access with public REST API, SDKs, Terraform, webhooks and OpenAPI 3.1 for provisioning, policy management and incident control.
Trust & reputation

ranQ Trust Score of Open Systems AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Open Systems AG scores 81.8 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.78.124%
  • 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.70.08%
Open Systems AG scores 95.9 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%
Open Systems 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%
Open Systems AG scores 90.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.80.04%
Qualifications+0.00

Open Systems AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 67 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 67 reviews across all connected sources

Sources
GGoogle4.667
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 1, 2026Media
«Die nächste Evolutionsstufe von SASE wird im Betrieb entschieden»
computerworld.ch
October 1, 2025Media
Open Systems beruft neuen CEO
netzwoche.ch
September 30, 2025Media
Open Systems beruft Dennis Monner zum CEO
inside-it.ch
September 18, 2024Media
Im vierten Quartal 2024 - Post will Cybersecurity-Firma Open Systems AG übernehmen
srf.ch
September 18, 2024Media
Schweizerische Post übernimmt Cybersecurity-Firma Open Systems AG
swissinfo.ch
February 15, 2023Media
Open Systems gründet MDR-Tochter und wechselt Unternehmensspitze
netzwoche.ch

Knowledge

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Secure profile

Location

Räffelstrasse 29
8045 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
Corporation
UID
CHE-106.697.233
Founded
1999 · 27 years
Last commercial register change
January 22, 2026
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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