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Who is UnaFiber?
UnaFiber is a Brazilian telecommunications infrastructure company that develops, operates, and commercializes Fiber-to-the-Home (FTTH) open access networks for Internet Service Providers (ISP) and other carriers.
- Development and operation of neutral FTTH fiber networks for wholesale access (telecommunications infrastructure).
- Wholesale connectivity services enabling multiple ISPs and carriers to serve end users over shared fiber infrastructure.
- Network planning, deployment, and maintenance in partnership with local and regional internet providers.
- Expansion of fiber coverage in Brazilian cities through long-term infrastructure investment and build-out programs.
- Provision of open access last-mile and backhaul infrastructure to support residential and business broadband services.
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UnaFiber operates as a neutral fiber network company focused on FTTH infrastructure in Brazil, targeting wholesale customers such as ISP (ISPs), virtual network operators, and other carriers that require last-mile and aggregation connectivity to serve residential and business subscribers.
The company’s model centers on designing, building, owning, and operating open access FTTH networks, which are then leased on a wholesale basis to multiple service providers. This approach separates passive infrastructure from retail services, allowing ISPs to focus on commercial offerings while UnaFiber handles network engineering, civil works, fiber deployment, and ongoing operations. Typical technical components include GPON or related Passive Optical Network (PON) technologies (access networking), optical distribution networks (ODN), and regional backhaul interconnection to upstream carriers and Internet Exchange Points (IXP).
In enterprise, municipal, and regional contexts, UnaFiber’s networks function as the physical layer foundation for broadband, over which retail partners deliver internet, voice over IP, and other IP-based services. The open access structure is positioned to reduce duplication of infrastructure by enabling several providers to share the same fiber plant, compared with vertically integrated ISPs that build proprietary networks. For institutional customers and ecosystem partners, this can support standardized service delivery and predictable Service Level Agreements (SLAs) managed through UnaFiber’s network operations processes.
From a directory and taxonomy perspective, UnaFiber aligns with categories such as fiber infrastructure, wholesale broadband, and neutral host networks within the telecommunications domain. Its activities span network planning, construction, and operation, as well as commercial management of wholesale capacity and access. Architecturally, deployments typically follow FTTH topologies using passive splitters, central offices or hubs, and customer premises terminations, integrated with upstream transport networks. These networks are relevant for organizations evaluating last-mile infrastructure partners, wholesale connectivity options, or open access models for regional broadband expansion.
Compared with retail ISPs that bundle infrastructure and services, UnaFiber focuses on the infrastructure layer and positions its customers as the entities that manage the end-user relationship. This creates a division of roles in which UnaFiber is responsible for physical network reliability, capacity planning, and fiber footprint expansion, while partner ISPs address pricing, customer support, and value-added services over the same underlying network.
Our description of UnaFiber. Updated February 2026.
