Insights

Large Customer Base Leverage 23 million customers, 450 stores, Tesco Mobile ownership, and high customer satisfaction to drive cross-sell and co-branded campaigns with top consumer brands and retail partners.

Enterprise 5G Growth Target business connectivity opportunities around 5G Standalone deployments and regional rollouts (Surrey and West Midlands) for private networks, IoT, and smart-city pilots.

Rapid Deployment Capitalize on fast site deployment capabilities demonstrated via pre-assembled masts to offer quick rollouts for enterprise and partner networks.

Loyalty Marketing Monetize the O2 Priority app and spin-to-win promotions with brand partnerships to boost engagement and upsell opportunities.

Media & Partnerships Leverage sponsorships and content ventures (The O2, O2 Academy, YouTube series) to create advertising, experiential marketing, and creator-collaboration opportunities for brands.

O2 (Telefónica UK) Tech Stack

O2 (Telefónica UK) uses 8 technology products and services including Adjust, Databricks, MicroStrategy, and more. Explore O2 (Telefónica UK)'s tech stack below.

  • Adjust
    Analytics
  • Databricks
    Big Data Processing
  • MicroStrategy
    Business Intelligence
  • XML
    Data Management
  • MySQL
    Database
  • F5
    IT Infrastructure
  • Preact
    Javascript Libraries
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

O2 (Telefónica UK)'s Email Address Formats

O2 (Telefónica UK) uses at least 3 format(s):
O2 (Telefónica UK) Email FormatsExamplePercentage
First.Last@o2.comJohn.Doe@o2.com
94%
Last.First@o2.comDoe.John@o2.com
5%
First.MiddleLast@o2.comJohn.MichaelDoe@o2.com
1%
First.Last@telefonica.comJohn.Doe@telefonica.com
91%
First.MiddleLast@telefonica.comJohn.MichaelDoe@telefonica.com
7%
First.Middle@telefonica.comJohn.Michael@telefonica.com
2%
First.Last@o2.co.ukJohn.Doe@o2.co.uk
59%
FirstLast@o2.co.ukJohnDoe@o2.co.uk
17%
FLast@o2.co.ukJDoe@o2.co.uk
14%
Last@o2.co.ukDoe@o2.co.uk
10%

Frequently Asked Questions

Where is O2 (Telefónica UK)'s headquarters located?

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O2 (Telefónica UK)'s main headquarters is located at 500 Brook Drive Reading, England United Kingdom. The company has employees across 6 continents, including EuropeAsiaNorth America.

What is O2 (Telefónica UK)'s phone number?

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You can contact O2 (Telefónica UK)'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is O2 (Telefónica UK)'s stock symbol?

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O2 (Telefónica UK) is a publicly traded company; the company's stock symbol is O2D.SG.

What is O2 (Telefónica UK)'s official website and social media links?

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O2 (Telefónica UK)'s official website is o2.co.uk and has social profiles on LinkedIn.

What is O2 (Telefónica UK)'s SIC code NAICS code?

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O2 (Telefónica UK)'s SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does O2 (Telefónica UK) have currently?

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As of June 2026, O2 (Telefónica UK) has approximately 5.4K employees across 6 continents, including EuropeAsiaNorth America. Key team members include Chief Executive Officer: C. C.Ceo, Managing Director: P. E.Chief Executive Officer: S. S.. Explore O2 (Telefónica UK)'s employee directory with LeadIQ.

What industry does O2 (Telefónica UK) belong to?

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O2 (Telefónica UK) operates in the Telecommunications industry.

What technology does O2 (Telefónica UK) use?

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O2 (Telefónica UK)'s tech stack includes AdjustDatabricksMicroStrategyXMLMySQLF5PreactX-Content-Type-Options.

What is O2 (Telefónica UK)'s email format?

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O2 (Telefónica UK)'s email format typically follows the pattern of First.Last@o2.com. Find more O2 (Telefónica UK) email formats with LeadIQ.

O2 (Telefónica UK)

TelecommunicationsEngland, United Kingdom5001-10000 Employees

O2 is the commercial brand of Telefónica UK Limited and provides mobile and digital communications services in the United Kingdom. It serves more than 23 million customers and operates 2G, 3G, 4G and 5G networks nationwide, and it runs O2 Wifi as well as owning half of Tesco Mobile. It operates more than 450 retail stores nationwide. It sponsors The O2, O2 Academy venues and the England rugby team.

The company is based in Reading, England, and operates within the UK telecommunications sector with a broad nationwide network. In June 2026, Telefonica UK Limited announced a partnership with Cellnex Group to address 5G coverage gaps along the Brighton Main Line.

Section iconCompany Overview

Headquarters
500 Brook Drive Reading, England United Kingdom
Phone number
Website
o2.co.uk
SIC Code
4812 - Radiotelephone Communications
Stock Symbol
O2D.SG
NAICS Code
517 - Telecommunications
Employees
5001-10000

Section iconFunding & Financials

  • $250M$500M

    O2 (Telefónica UK)'s revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    O2 (Telefónica UK)'s revenue is estimated to be in the range of $250M$500M

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