Private company
Ay Yildiz
Logo: Ay Yildiz, Public domain, via Wikimedia Commons2
Ay Yildiz is a German cell phone brand based in Düsseldorf, founded in 2005.1 It is part of Telefónica Deutschland.1
Last updated Oct 20, 2026.
Overview
2005Founded1
- Industrytelecommunications industry1
- HeadquartersDüsseldorf, Germany1
- Websitewww.ayyildiz.de
- Legal formGesellschaft mit beschränkter Haftung1
Corporate structure
Ay Yildiz is part of a group headed by Telefónica. 85 entities, 15 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- Telefónica Madrid, Spain
- Telefónica Deutschland 69.22% · München, Germany
- Ay Yildiz Düsseldorf, Germany
- Blau Mobilfunk Subsidiary · Hamburg
- Fonic Subsidiary · Munich, Germany
- Ortel Mobile Subsidiary · The Hague
- Telefónica Germany GmbH & Co. OHG Subsidiary · 99.99% · München, Germany
- Telefonica Soluciones de Informatica y Comunicaciones de España SAU Madrid, Spain
- Telefónica Global Solutions Madrid, Spain
- giffgaff Subsidiary · 100% · London
- Movistar Chile Subsidiary · 100% · Torre Telefónica Chile
- O2 Subsidiary · 100% · Slough
- Tuenti Subsidiary · 100% · Madrid
- Integratel Perú Subsidiary · 98.57% · Lima, Peru
- Movistar TV (Peru) Subsidiary · Lima, Peru
- E-Plus Subsidiary · 63.22% · Düsseldorf
- Tesco Mobile Subsidiary · 50% · Welwyn Garden City, United Kingdom
- Canal+ Subsidiary · Tres Cantos
- GVT Subsidiary · Curitiba
- GVT TV Subsidiary · Curitiba
- Movistar Argentina Subsidiary · Buenos Aires
- Movistar TV Subsidiary
- Movistar Colombia Subsidiary · Bogotá, Colombia
- Movistar Ecuador Subsidiary · Quito, Ecuador
- Movistar México Subsidiary · Mexico City
- Movistar Plus+ Subsidiary · Tres Cantos
- O2 Ireland Subsidiary · Sir John Rogerson's Quay
- Telefonica Research and Development Subsidiary · Madrid, Spain
- Telefónica Argentina Subsidiary · Avenida Ingeniero Huergo
- Telefónica Telecom Subsidiary · Bogotá
- Telefônica Brasil Subsidiary · Sao Paulo, Brazil
- Telxius Subsidiary · Madrid
- Terra Subsidiary · São Paulo
- TokBox Subsidiary · San Francisco
- and 60 more
- Telefónica Deutschland 69.22% · München, Germany
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.
Subsidiaries and ownership
Parent company
From Wikidata.1
Timeline
- 2005Founded Founded1
Links
- Websitewww.ayyildiz.de1
- X (Twitter)x.com/ayyildiz_de1
- Facebookwww.facebook.com/ayyildiz.de1
- Instagramwww.instagram.com/ayyildiz_de1
- WikidataQ121744991
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataAy Yildiz on Wikidata
- 2Wikimedia CommonsAy Yildiz logo by Ay Yildiz, Public domain