- Media & Advertising groups
- Broadcast, Film and Publishing groups
- ABC Network
- ABC and SBS
- AHL and Greater Union
- AOL
- APN and INM
- Abril Group
- Advance / Newhouse Group
- Al Jazeera
- Alma Group
- American Media group
- Annenberg and Triangle
- Anschutz
- Archant
- Asahi Group
- Asper & Canwest Global Group
- Astral Media
- Australia: Broadcasting
- Axel Springer Group
- Azteca
- BCE/Bell Globemedia Group
- Bayard Group
- Beaverbrook & Express Group
- Belo Group
- Berlusconi Group
- Bertelsmann Group
- Black Press group
- Black, Hollinger and Barclay
- Block
- Bloomberg
- Bonnier Group
- Burda group
- CBC
- CBS Group
- CHUM
- Cablevision Group
- Capstar, Chancellor and HMTF
- Carlton group
- Christian Science Monitor
- Cisneros Group
- Citadel
- Clear Group
- Cogeco Group
- Comcast Group
- Cox Group
- Crowell, Collier, Knapp
- Cumulus Group: Overview
- Curtis
- D C Thomson
- Daily Mail Group
- Disney group
- Dow Jones group
- DuMont Schauberg
- EMAP Group
- EMI Group
- Edipresse Group
- Egmont Group
- Emmis Group
- Entercom
- FAZ and Frankfurter Zeitung
- FT & Economist
- Fairfax and Syme
- Fleet Street
- Freedom
- French entrepreneur Vincent Bolloré and his media interests
- Fujisankei Group
- GCap Media
- Gannett Group
- Globo Group
- Granada Group
- Gruner & Jahr
- Grupo Prisa
- Guardian Media Group
- Hachette, Lagardere, Wendel
- Harte-Hanks
- Hearst Group
- Herald Tribune, Bennett, Greeley and Whitney
- Hersant, Dassault & Socpresse
- Holtzbrinck Group
- IDG
- ITV plc
- Iliffe, Berry, Hulton: Iliffe
- Ingersoll and Journal Register
- Johnston Group
- Journal Communications group
- Kirch and Saban
- Knight-Ridder Group
- L'Espresso Group
- LGP and Purcell
- LIN TV
- Landmark Group
- Le Monde and Le Temps
- Liberation and Humanite
- Liberty Media Corp
- Live Nation
- Loews
- MCA, Seagram and Universal Group
- MCS Group
- Macquarie Media
- McClatchy Group
- McGraw-Hill Group
- Mecom
- Media General Group
- MediaNews Group
- Meredith Group
- Metromedia and DuMont
- Modern Times Group and Metro
- Morris Communications
- Murdoch and News Corp
- NBC
- NHK
- NTL and Telewest
- Naspers group
- New York Times Group
- Nikkei Group
- Norwegian A-pressen group
- Orkla Group
- Ouest-France Group
- PCM Uitgevers Group
- Packer Group
- Pathé, Gaumont and Seydoux: Pathe
- Paxson Group
- Pearson Group
- Perskor, TML and Caxton/CTP
- Polygram, Decca and DG
- Power, Pargesa and Gesca
- Prime Network and Ramsay
- Primedia Group
- Pulitzer and Lee
- Quebecor Group
- RCS MediaGroup
- RKO and General Teleradio
- RTL Group
- Rank
- Recoletos
- Reed-Elsevier Group
- Reuters
- Ringier Group
- Robert Maxwell
- Rogers Group
- Roularta Group
- Rural Press Group
- SBS and CME
- SMG
- SPH Group
- Sanoma WSOY Group
- Schibsted group
- Scripps
- Seattle Times
- Seven Network
- Shaw and Corus
- Sinclair Group
- Sing Tao
- Six Flags
- Softbank
- Sony Group
- Southern Cross
- Springer Science
- Standard Network
- Stephens Media Group and Donrey
- TVNZ and RNZ
- Taft and Great American
- Taylor and Francis Informa
- Telefonica
- Telegraaf Media Group
- Telemedia
- Televisa Group
- The Astors
- The BBC
- Thomson Group
- Time Warner
- Torstar Group
- Transcontinental
- Tribune group
- Trinity Mirror group
- US Public Sector Broadcasting
- Ullstein and Mosse
- United Group
- VNU Group
- Viacom Group
- Village Roadshow Group
- Vivendi Universal group
- WAZ Group
- WIN, Gordon and ENT
- Warner Music
- Washington Post Group
- Wegener Group
- Western Australian Newspapers
- Westinghouse and Group
- Wiley
- Wolters Kluwer Group
- Yomiuri Group
- Advertising groups
- Broadcast, Film and Publishing groups
Telefonica
Overview
This page considers Madrid-based telecommunications conglomerate Telefónica, which encompasses fixed and mobile phone interests, web portals, search engines and video production.
Landmarks
1924 Compania Telefónica Nacional de Espana (Telefónica) established
1945 Spanish government buys 50% of Telefónica from ITT
1987 government sells 6% of Telefónica through a Public Offering for €283.7m, reducing stake to 32%
1989 Guardian (later GMG) buys stake in Broadcast Communications
1991 Puerto Rico sells 80% of long distance telephone service to Telefónica for US$140m
1995 Spanish government sells further 11% for €1bn
1995 Telefónica joins with Sogecable in Cablevision partnership
1995 Telefónica withdraws from Cablevision, Sogecable assumes full ownership
1996 Telefónica buys 35% stake in Companhia Riograndense de Telecomunicacoes (CRT) of Brazil
1997 Telefónica fully privatised through €3.88bn sale of govt stake
1997 acquires Spanish government television channel Antena 3
1997 buys 20% of Recoletos
1998 buys Telesp (Brazil) for US$4.9bn
1998 buys one hundred radio stations in Spain
1998 Endemol becomes partner in Broadcast Communications with 50% stake
2000 GMG sells Broadcast Communications stake to Endemol, which rebadges the business as Endemol UK
2000 Telefónica buys Endemol for £3.5bn
2000 Telefónica buys Lycos for US$12.5bn
2003 spins off Antena 3 stake
2004 buys Latin American assets of BellSouth for US$5.9bn
2004 Telefónica sells its 5% stake in Pearson for £236m
2005 pays US$3.5bn for 51% of Cesky Telecom
2005 Endemol buys Brighter Pictures for £15m
2005 Telefónica agrees to buy UK-based O2 Group for US$31.4bn
2006 sells 60% stake in directory publisher Telefonica Publicidad e Informacion (TPI) as part of Yell's €3.07bn bid for TPI
2006 acquires 51% of ISP Iberbanda (21.69% held by PRISA)