- Access Control
- Bandwidth Management
- Cloud
- Compliance
- Configuration Management
- Connectivity
- Enterprise
- Firewall
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- Incident Response
- Internet
- Internet Protocol
- Lifecycle Management
- Local Area Network
- Managed Services
- Monitoring
- Network Monitoring
- Network Operator
- Outsourced
- Protection
- Public Sector
- Quality of Service
- Services
- Software-Defined Wide Area Network
- Threats
- Virtual Private Network
- Wide Area Network
- Wireless
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Who is S1 Networks?
S1 Networks is a Finnish technology company that provides managed network, connectivity, and security services for business and public sector customers.
- Managed corporate network and Software-Defined Wide Area Network (SD-WAN) services for multi-site organizations (network services).
- Secure internet and cloud connectivity for offices, data centers, and remote users (connectivity services).
- Network security services such as firewalls, threat protection, and access control (security services).
- Monitoring, maintenance, and lifecycle management of customer network environments (managed services).
- Consulting and implementation support for network architecture and service migration (professional services).
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More About
S1 Networks operates as a managed network and connectivity service provider focused on enterprises, municipalities, and other institutional customers that require reliable, secure data communications across distributed environments.
The company’s portfolio centers on network services (network infrastructure) that cover the design, deployment, and operation of corporate Local Area Network (LAN), Wide Area Network (WAN), and SD-WAN infrastructures, typically delivered as a managed service with service-level commitments and centralized support.
In connectivity (network access), S1 Networks aggregates fixed and sometimes wireless access from multiple carriers and delivers enterprise-grade internet and private connectivity for offices, branch sites, and data centers, often with redundancy, bandwidth management, and Quality of Service (QoS) configurations aligned with customer requirements.
Security services (network security) are integrated into these connectivity offerings and usually include managed firewalls, Virtual Private Network (VPN) services for remote workers, intrusion and threat filtering, and policy-based access control so that organizations can enforce security policies consistently across sites and user groups.
The company also provides operational services (IT managed services), such as 24/7 network monitoring, incident response, configuration management, and hardware lifecycle services, which reduce the need for in-house network operations capabilities and support availability and performance objectives in enterprise environments.
Advisory and implementation services (consulting services) from S1 Networks typically address network architecture design, migration from legacy environments to modern IP and SD-WAN-based topologies, and integration with customers’ existing infrastructure, aligning technical deployment with governance and compliance constraints.
Within an enterprise technology directory, S1 Networks can be categorized under managed network services, secure connectivity, and network security, with its offerings mapped to areas such as SD-WAN, internet and site-to-site connectivity, managed firewall, and network operations outsourcing for business and public sector organizations.
Our description of S1 Networks. Updated February 2026.
