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BSS/OSS Academy

Telecom operator

Telefónica

also: network operator · managed services

Spanish operator group with a consolidated presence in Spain, Germany, the UK and Brazil, and a long-running autonomous-networks programme.

HQ
Madrid, Spain
Employees
82,6552025-12-31Company statement · Telefónica
Revenue
EUR 35.12bnFY2025Company statement · Telefónica
Customers
Consumer · Enterprise · Wholesale
Domains
Mobile · Fixed & fibre · Network automation · AI · Network APIs
Markets
Spain · O2 Telefónica (Germany) · subsidiary · Brazil · subsidiary · United Kingdom · investmentShaded amber on the map: solid for home and subsidiaries, lighter for stakes and partner markets. "consolidated presence"; brand and stake not on the page.

Relationships (1)

  • owns

Subsidiaries

Learn

Checked 17 Sept 2026 · verifiedMarkets and figures read on telefonica.com About and Main data pages (as of 31 Dec 2025 / March 2026). Two of the six operating countries are not named on the page. · Sources: Telefónica, Telefónica

Ecosystem

  • owns

    • active · Documented

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