Insights

5G Expansion O2 is actively rolling out 5G and standalone 5G (“5G+”) across multiple regions, including West Midlands and Surrey, with recent infrastructure partnerships and network upgrades. Sales opportunities exist in enterprise mobility, IoT, and regional digital services leveraging high-speed, low-latency networks.

Network Modernization Recent collaborations to improve coverage (e.g., with Cellnex on 5G coverage on the Brighton Main Line) and rapid deployment initiatives (pre-assembled masts) indicate a readiness to modernize network infrastructure. This creates cross-sell opportunities in network virtualization, edge computing, and managed services.

Enterprise Growth With a large customer base and ongoing office expansions, there is potential to upsell unified communications, hosted IT services, and business broadband solutions to mid-market and enterprise clients, especially in new Surrey and broader European footprints.

Customer Experience O2 emphasizes high customer satisfaction and consumer-centric initiatives such as O2 Priority and engaging content like music series. This opens up opportunities for bundled loyalty-friendly enterprise programs, white-labeled marketing tech, and data-driven customer engagement platforms for partners.

Tech Stack & Data The company employs modern tools (Grafana, Looker, Databricks, Ansible, Docker, Jenkins, MongoDB, VMware) suggesting openness to analytics, automation, and DevOps-enabled services. This presents upsell potential for cloud-based security, data analytics, AI-driven operations, and managed DevOps/CI-CD offerings.

Similar companies to O2 (Telefónica UK)

O2 (Telefónica UK) Tech Stack

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

Media & News

O2 (Telefónica UK)'s Email Address Formats

O2 (Telefónica UK) uses at least 10 email formats:
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

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.

How much revenue does O2 (Telefónica UK) generate?

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As of August 2026, O2 (Telefónica UK)'s annual revenue is estimated to be $250M - $500M.

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

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

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

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As of August 2026, O2 (Telefónica UK) has approximately 5.4K employees across 6 continents, including Europe, Asia and North America. Key team members include Chief Executive Officer: C. C., Ceo, Managing Director: P. E. and 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 Grafana, Looker, Databricks, Ansible, Docker, Jenkins, MongoDB and VMware.

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) logo

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

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

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