O2 (UK) (English Wikipedia)

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bbc.com

"Virgin Media and O2 join forces to take on BT". BBC News. 7 May 2020. Retrieved 5 September 2020.
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btplc.com

BT Cellnet – Our Commitment to Society and the Environment (PDF) (Report). BT Group. 2000. Retrieved 7 February 2011.

businessgreen.com

Murray, James (20 February 2009). "O2 first mobile firm to gain Carbon Trust Standard". BusinessGreen. Retrieved 2 October 2010.

campaignlive.co.uk

"O2 pushes brand and products in TV ad campaign". www.campaignlive.co.uk. Retrieved 18 December 2023.
"Campaign of the Year 2013: O2 'be more dog'". CampaignLive. 18 December 2013. Retrieved 16 August 2017.
Dar, Ian (10 February 2000). "BT Cellnet signs England team in £5m rugby deal". Campaign. Haymarket Media Group. Retrieved 2 December 2018.

cellmapper.net

CellMapper. "Cellular Tower and Signal Map". CellMapper. Retrieved 1 March 2022.

companieshouse.gov.uk

beta.companieshouse.gov.uk

"Telefonica UK Limited – Overview (Free company information from Companies House)".
"Telefonica Europe PLC". Companies House. Retrieved 10 May 2019.
"Telefonica Europe plc: Financial Statements". Companies House. 31 December 2017.

company-information.service.gov.uk

find-and-update.company-information.service.gov.uk

"O2 Solutions Limited (formerly Cellnet Limited)". Companies House. Retrieved 10 January 2025.

digitalspy.co.uk

Laughlin, Andrew (7 June 2012). "Vodafone and O2 to merge mobile network infrastructure". Digital Spy. Retrieved 1 August 2013.

ft.com

Parker, Andrew (28 September 2010). "Everything Everywhere disappoints analysts". Financial Times. Retrieved 2 October 2010.
Fildes, Nic (1 June 2021). "Newly merged Virgin Media O2 'ready to fire' at incumbent BT". Financial Times. Retrieved 1 June 2021.

ghostarchive.org

Williams, Christopher (24 September 2016). "O2 fires up blockbuster London float plans". The Daily Telegraph. Archived from the original on 12 January 2022. Retrieved 25 September 2016.
Neate, Rupert (15 April 2010). "Slough accepts the call to be 4G mobile phone trailblazer". The Daily Telegraph. Archived from the original on 12 January 2022. Retrieved 2 October 2010.

gov.uk

Competition and Markets Authority case, UK government official website, 4 December 2015. Retrieved: 30 December 2015.
Competition – press release: CMA requests UK review of O2/Three merger, UK government official website, 2 October 2015. Retrieved: 30 December 2015.

independent.co.uk

McIntosh, Bill (11 September 1999). "Secret deal charge dogs sale of Securicor's Cellnet stake to BT". The Independent. Retrieved 2 October 2010.

jknowles.com

"Jonathan Knowles Photography - advertising photographer - still life liquid drinks people". Archived from the original on 8 October 2011. Retrieved 8 December 2014.

marketingmagazine.co.uk

Billings, Claire (24 April 2002). "O2 readies for £130m May Day rebranding push across Europe". Marketing. Retrieved 2 October 2010.

marketingweek.com

Gee, Rachel (25 October 2016). "O2 on how it has turned its customers into rugby fans". Marketing Week. Retrieved 2 December 2018.

mastdatabase.co.uk

"UK mobile spectrum allocation". mastdatabase.co.uk. Retrieved 27 January 2024.

mobilenewscwp.co.uk

"O2: NFC is ready to launch". Mobile News. 15 July 2009. Retrieved 14 May 2010.

musicweek.com

"O2, Live Nation and Academy Music Group renew alliance for O2 Academy venues". Music Week. 24 July 2017. Retrieved 23 February 2018.

nationalarchives.gov.uk

webarchive.nationalarchives.gov.uk

"Completed acquisition by British Sky Broadcasting Limited of Be Unlimited". Office of Fair Trading. National Archives. Archived from the original on 2 April 2014. Retrieved 14 October 2014.

nearfieldcommunicationsworld.com

"Telefónica launches O2 Money, says it is ready to deploy NFC". NFC World. 28 July 2009. Retrieved 2 October 2010.

o2.co.uk

"Virgin Media and O2 Partnership". www.o2.co.uk. Retrieved 1 June 2021.
"O2 | Terms and Conditions | Privacy Policy". www.o2.co.uk. Retrieved 1 June 2021.
"Wifi and 4G Calling". www.o2.co.uk. Retrieved 28 March 2017.

news.o2.co.uk

Contact us, O₂ corporate website. Retrieved: 6 December 2012.
"O2 unveils its new brand campaign: 'More for you'". O2. 2 June 2016. Retrieved 16 June 2018.

blog.o2.co.uk

"O2's Official Blog". Blog.o2.co.uk. 28 June 2011. Retrieved 20 September 2013.
"Introducing the Mobile Wallet" (Press release). O2. 1 September 2011. Retrieved 14 September 2011.

o2.com

"O2 enters U.K. broadband market with purchase of Be". O2 plc. Retrieved 22 April 2010.

ofcom.org.uk

consumers.ofcom.org.uk

"Ofcom announces winners of the 4G mobile auction". Ofcom. 20 February 2013. Archived from the original on 5 September 2013. Retrieved 20 February 2013.
"Ofcom announces winners of the 4G mobile auction". Ofcom. 20 February 2013. Archived from the original on 5 September 2013. Retrieved 24 February 2014.

oft.gov.uk

"Completed acquisition by British Sky Broadcasting Limited of Be Unlimited". Office of Fair Trading. National Archives. Archived from the original on 2 April 2014. Retrieved 14 October 2014.

reuters.com

Hutchison to buy Telefonica UK unit for $15.4 billion. Reuters, 23 January 2015

uk.reuters.com

Prodhan, Georgina (2 September 2008). "O2 finds mobile payments popular". Reuters. Archived from the original on 26 March 2010. Retrieved 2 October 2010.

sourcewire.com

Linton, Peter (18 June 2001). "Cellnet and One2One Founder Adds Voice to Speech Recognition Company". Medialink. Retrieved 2 October 2010.

telefonica.com

"Telefónica 2017 Integrated Annual Report, Key Figures". Telefónica. 2017.

telegraph.co.uk

Williams, Christopher (24 September 2016). "O2 fires up blockbuster London float plans". The Daily Telegraph. Archived from the original on 12 January 2022. Retrieved 25 September 2016.
Neate, Rupert (15 April 2010). "Slough accepts the call to be 4G mobile phone trailblazer". The Daily Telegraph. Archived from the original on 12 January 2022. Retrieved 2 October 2010.

theguardian.com

Sweney, Mark (7 May 2020). "Virgin Media and O2 owners confirm £31bn mega-merger in UK". The Guardian. ISSN 0261-3077. Retrieved 5 September 2020.
Halliday, Josh (12 July 2012). "O2 apologises over 'embarrassing' network problems". The Guardian. Retrieved 14 July 2012.
Sweney, Mark (6 November 2008). "O2 to sponsor Academy music venues". The Guardian. Retrieved 23 February 2018.
Carrington, Damian (27 September 2009). "10:10 climate campaign gathers momentum". The Guardian. Retrieved 2 October 2010.

theregister.co.uk

Richardson, Tim (31 October 2005). "Spain's Telefonica to buy O₂". The Register. Retrieved 7 February 2011.

totaltele.com

Wood, Nick (15 December 2009). "O2 in UK LTE trial". Total Telecom. Retrieved 2 October 2010.

virginmedia.com

"Virgin Media and O2 Partnership News". Virgin Media. Retrieved 1 June 2021.

virginmediao2.co.uk

news.virginmediao2.co.uk

"Q3 2024 Earnings Release" (PDF). news.virginmediao2.co.uk. 30 October 2024. Retrieved 17 November 2024.

web.archive.org

"Ofcom announces winners of the 4G mobile auction". Ofcom. 20 February 2013. Archived from the original on 5 September 2013. Retrieved 20 February 2013.
"Ofcom announces winners of the 4G mobile auction". Ofcom. 20 February 2013. Archived from the original on 5 September 2013. Retrieved 24 February 2014.
Prodhan, Georgina (2 September 2008). "O2 finds mobile payments popular". Reuters. Archived from the original on 26 March 2010. Retrieved 2 October 2010.
"Jonathan Knowles Photography - advertising photographer - still life liquid drinks people". Archived from the original on 8 October 2011. Retrieved 8 December 2014.

worldcat.org

search.worldcat.org

Sweney, Mark (7 May 2020). "Virgin Media and O2 owners confirm £31bn mega-merger in UK". The Guardian. ISSN 0261-3077. Retrieved 5 September 2020.