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Who is TNNet Oy?
TNNet Oy is a Finnish Information and Communication Technology (ICT) services company that provides network, security, and infrastructure solutions for business and public-sector customers.
- Design and delivery of business network and connectivity solutions (networking)
- Implementation and management of information security and data protection services (security)
- Infrastructure planning, deployment, and lifecycle services for ICT environments (infrastructure services)
- Consulting, support, and maintenance for enterprise and institutional ICT environments (IT services)
- Solutions tailored for Finnish corporate and public-sector organizations (ICT solutions)
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More About TNNet Oy
TNNet Oy operates as an ICT services provider focused on networking, information security, and infrastructure services for organizations in Finland. Its offerings are positioned for enterprise, Small Medium Enterprises (SME), and public-sector environments that require managed connectivity, secure access, and dependable infrastructure operations. The company works as a technical partner for customers that want to outsource part of their ICT design, deployment, or operations while retaining control of business-critical systems.
In networking, TNNet Oy typically addresses enterprise Local Area Network (LAN), Wide Area Network (WAN), and internet connectivity needs, covering structured network design, device configuration, and ongoing support. This includes routing, switching, wireless networking, and remote access services, often aligned with common enterprise architectures that separate core, distribution, and access layers. The company’s role is to ensure that customer networks support business applications with predictable performance and controlled administration.
On the security side, TNNet Oy focuses on practical information security and data protection in line with Finnish and EU regulatory expectations. Services usually encompass perimeter security, secure remote access, and endpoint and server protection, along with backup and recovery practices. Typical technologies in this area include firewalls (security), Virtual Private Network (VPN) solutions (security), and access control mechanisms (security) that enforce role-based access to network resources and services. These capabilities support customers that need to protect internal networks, comply with data protection requirements, and mitigate common cyber risks.
Infrastructure services at TNNet Oy cover planning, deployment, and lifecycle management of ICT platforms that host business applications and data. This can involve server and storage environments, virtualization platforms (infrastructure), and integration with cloud-based services when required by customer architecture. The company works with standard enterprise components such as directory services, email and collaboration platforms, and business application servers, providing configuration, monitoring, and maintenance.
TNNet Oy also offers consulting and support services that align with customers’ IT governance and operational models. This includes advice on network and security architecture, migration projects, and upgrades, as well as ongoing helpdesk and on-site support. For many customers, TNNet Oy functions as an outsourced or extended IT department that handles infrastructure and connectivity while internal teams focus on core business systems.
Within a marketplace or directory context, TNNet Oy fits into categories such as enterprise networking services, Managed Security Services (MSS), and ICT infrastructure services for corporate and public organizations. Its portfolio is suitable for buyers seeking a partner to design, implement, and maintain network and security environments, as well as to provide end-to-end ICT operations support within Finland.
Our description of TNNet Oy. Updated February 2026.
