Private company

UFINET

Logo: Sarauter, CC BY-SA 4.0, via Wikimedia Commons3

Telecommunications company

UFINET is a multinational telecommunications company headquartered in Madrid, Spain. It operates a Tier 2 network.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

UFINET is a multinational telecommunications company headquartered in Madrid, Spain. It operates a Tier 2 network.2

How it started

History

UFINET is a neutral, carrier of carriers telecom company, meaning it focuses on B2B sales to enterprise customers, Tier 3 ISPs including leases of FTTH optical distribution networks, dark fiber, optical line terminals and optical network terminals, and internet transit for Tier 2 ISPs. It was created by Unión Fenosa (formerly known as Unión Fenosa Redes de Telecomunicación) in 1998. In 2009, it merged with Desarrollo de Cable, which belonged to the company Gas Natural, rebranding the merged entity as Gas Natural Fenosa Telecomunicaciones (GNF Telecom). In 2014, Cinven, an the UK-based private equity fund, acquired GNFT. The acquisition valued the company at €510 million. Since then, the company has traded as UFINET. In June 2018, ENEL acquired 21% of the company, while Cinven kept the remaining 79%

In May 2026, Cinven hired advisors to explore a potential sale of Ufinet.

From Wikipedia’s article on UFINET, shared under CC BY-SA 4.0.2

Sources

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