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Who is FAST S.A.?
FAST S.A. is a Greek telecommunications provider that offers internet, fixed telephony, and related network services for residential and business customers.
- Broadband internet access services for homes and businesses (Cloud Services / Connectivity)
- Fixed telephony and voice services over traditional and IP networks (Communications)
- Business connectivity solutions such as data lines and VPNs for enterprises (Computer Networking)
- Value-added telecom services, including hosting and related support (Cloud Services)
- Network infrastructure and wholesale services for other service providers (Integrated Telecommunication Services)
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More About
FAST S.A. operates in the Greek telecommunications market with a portfolio that covers broadband connectivity, fixed telephony, and related network services for both residential and enterprise users.
The company’s offerings align with core telecommunications categories, including broadband internet access, voice over IP (VoIP) telephony, and dedicated business connectivity such as leased lines and VPNs (Computer Networking).
In enterprise environments, FAST S.A. positions its services as primary or backup connectivity for corporate sites, branch offices, and data connections to cloud-hosted workloads, using standard IP-based networking, Multiprotocol Label Switching (MPLS), and Virtual Private Network (VPN) technologies where applicable.
Voice services use established telephony protocols and can be integrated with PBX systems, session border controllers, and Session Initiation Protocol (SIP) trunks (Communications), enabling organizations to run unified communications or contact center solutions over FAST S.A.’s network.
For hosting and value-added services (Cloud Services), the company provides infrastructure suitable for websites, applications, and business systems that require local presence and Greek-language support, with typical use cases including corporate sites, small e-commerce deployments, and basic application hosting.
FAST S.A. also maintains network infrastructure that can serve wholesale customers, including smaller ISPs or service brands that need last-mile or backhaul capacity, placing the company in the Integrated Telecommunication Services category within a marketplace taxonomy.
From a technical perspective, enterprises that work with FAST S.A. treat its services as part of a broader connectivity architecture that may combine multiple carriers, Software-Defined Wide Area Network (SD-WAN) overlays, and security appliances such as firewalls and secure web gateways.
In comparison with other telecom providers, FAST S.A. fits into the same general solution classes—fixed broadband, fixed voice, and data connectivity—without reliance on proprietary architectures, instead using standard IP, Ethernet, and telephony protocols to integrate into customer networks and IT environments.
Our description of FAST S.A.. Updated February 2026.