What O2 does

O2 is a UK mobile telecommunications brand operated by Telefónica UK Limited, the mobile arm of the Virgin Media O2 (VMED O2) joint venture formed in 2021 between Telefónica and Liberty Global. The company provides mobile voice, text, data, and connectivity services to approximately 23 million customers across consumer, SME, enterprise, government, and rural/underserved segments through Pay Monthly contracts, SIM Only plans, and Pay As You Go offerings. Headquartered in Reading with a registered office in London, O2 employs over 10,000 people and distributes through owned retail stores, e-commerce, the Virgin Media co-located network, Sky broadband partnership, and independent resellers.

The underlying technology stack centers on a 5G and 5G+ Standalone mobile network reaching 87% of the UK population across 700+ towns and cities, supplemented by Europe's first Starlink-powered direct-to-device satellite service (extending UK landmass coverage from 89% to 95%), small cell deployments in partnership with Ontix and Freshwave, and Europe's first pre-assembled mobile mast technology (Vecta Labs) that cuts site installation time by up to 75%. O2 operates the world's first production-scale 5G Core on AWS Outposts using Nokia technology (1 million customers live) and runs AI-driven network monitoring via Google Cloud and Zinkworks for autonomous operations. A £700M Mobile Transformation Plan funds ongoing network expansion across Suffolk, Wales, Scotland, and other regions.

The business model is anchored by recurring monthly mobile subscription revenue, augmented by device installment plans (24-month iPhone, Samsung, Google Pixel financing), hardware sales, value-added services including O2 Satellite (£3/month), O2 Cloud (10TB free), McAfee Protect Advanced security (£4.99/month or bundled free), insurance, and venue/entertainment sponsorship revenue (England Rugby, 20+ O2-branded venues). Wholesale MVNO revenue flows through owned subsidiaries giffgaff and Virgin Mobile. Strategic B2B/enterprise sales target digitalization partnerships with retailers (Deichmann, 1,300+ stores), municipal IT providers (ekom21), and government institutions under a dedicated CTEO-led sales motion.

Name

O2

Legal name

Telefonica UK Limited

Website

https://o2.co.uk

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

O2 is a UK mobile telecommunications provider serving approximately 23 million consumer and business customers with Pay Monthly, SIM Only, and Pay As You Go plans on a 5G/5G+ network, operating as the mobile arm of the Virgin Media O2 joint venture.

Ownership category

akta.pro rank

Product category

Mobile Telecommunications Services

NAICS

Wireless Telecommunications Carriers (except Satellite) (517112), Satellite Telecommunications (5174)

SIC

Radiotelephone Communications (4812)

akta.pro primary industry

Enterprise & B2B Mobile Network Operators (HDAIAAAB)

Keywords

• Mobile network services
• 5G connectivity
• SIM only plans
• Pay monthly tariffs
• Satellite mobile connectivity

Headquarters

HQ city

Slough

HQ country

United Kingdom

HQ region

Europe

Offices11 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Technology or R&D, Personnel, Marketing or Sales, Supply Chain, Operations

Revenue model

1. Mobile Service Subscriptions: Recurring revenue from Pay Monthly contracts, SIM Only plans, and Pay As You Go top-ups. Includes voice, text, data services with 5G+ access. Revenue from hardware device financing embedded in contracts.
2. Satellite Service Add-on: Additional monthly charge for O2 Satellite direct-to-device service (£3/month) enabling coverage extension via Starlink for areas without cellular network.
3. Security Services: McAfee Protect Advanced offering at £4.99/month or free for Ultimate Plan customers, covering up to 10 devices per household with antivirus, parental controls, and scam detection.
4. Enterprise/B2B Services: Business connectivity solutions including managed services, digitalization partnerships, and connectivity for retail chains (e.g., Deichmann Group with 1,300+ stores) and government institutions.
5. Device Sales: Revenue from smartphone and tablet sales including Apple iPhone, Samsung Galaxy, and Google Pixel devices with installment payment options.
6. Priority Rewards & Sponsorship: Revenue from venue naming rights partnerships, event sponsorships (England Rugby), and exclusive entertainment offerings that drive customer acquisition and retention.

Pricing tiers

Go-to-market motion3 records

Distribution channels7 records

Marketing channels11 records

Core offering

O2 provides mobile telecommunications services including Pay Monthly contracts, SIM Only plans, and Pay As You Go tariffs with 4G, 5G, and 5G+ Standalone network connectivity across the UK. The company sells devices (Apple iPhone, Samsung Galaxy, Google Pixel) on installment plans, satellite direct-to-device coverage add-ons, cloud storage, and security bundles, all distributed through retail stores, e-commerce, and the Virgin Media O2 joint venture.

Product overview

O2 is a UK telecommunications provider (Virgin Media O2 joint venture with Telefonica UK) offering mobile plans with 5G/5G+ connectivity, SIM only deals, Pay As You Go, and mobile broadband. The core mobile service is enhanced by add-on modules including O2 Satellite (satellite connectivity via Starlink at £3/month), O2 Cloud storage (up to 10TB), McAfee Protect Advanced security, Priority loyalty program with ticket presales and rewards, and O2 WiFi hotspots. The company also sponsors entertainment venues including The O2 Arena in London and The O2 Belfast, plus England Rugby. O2's £700m Mobile Transformation Plan is expanding 5G+ coverage across the UK including Scotland, Wales, and Suffolk.

Differentiator

Problem solved

Functional benefit

Products and services

• O2 Mobile Plans Mobile tariff plans offering voice, text, and data services including unlimited plans, SIM only deals, and Pay As You Go options with 5G and 5G+ connectivity for UK consumers.
• O2 5G+ 5G Standalone network service offering approximately 50% faster speeds than 4G, improved reliability in high-demand areas, and enhanced battery life, available across 700+ UK towns and cities at no extra cost to Pay Monthly customers.
• O2 Satellite Direct-to-device satellite connectivity service powered by Starlink, enabling text messages, WhatsApp, and location services on regular smartphones in areas with no cellular network coverage at £3 per month.
• O2 Cloud Cloud storage service offering up to 10TB of free storage for Fiber and Mobile customers with automatic synchronization and cross-device access features.
• McAfee Protect Advanced Family security package built exclusively for O2 customers covering up to 10 devices with AI-powered antivirus, parental controls, text scam detection, and personal data cleanup at £4.99/month or free with Ultimate Plan.
• Priority Customer rewards program offering exclusive gig tickets 48 hours before general release, Greggs rewards, Vue cinema discounts, Disney+ savings, and various monthly offers and experiences for O2 customers.
• O2 Priority Tickets Ticket presale service giving O2 customers exclusive access to concert and event tickets 48 hours before general public release at The O2 Arena and other partner venues.
• O2 WiFi Hotspots Free WiFi hotspot network available across the UK for O2 customers to save mobile data while traveling.
• O2 Switch Up Device upgrade program allowing customers to upgrade their phone while maintaining their existing tariff terms.
• O2 Insure Mobile phone insurance service providing coverage for devices against damage, loss, and theft.
• Data Rollover Unused data rollover feature allowing customers to carry forward unused monthly data allowance to the following month.
• O2 Recycle Device trade-in and recycling program allowing customers to sell old devices for credit towards new purchases.
• O2 Mobile Broadband Mobile broadband services including dongles and mobile WiFi devices for portable internet access.
• O2 Business Connectivity Services Business connectivity solutions including managed services, digitalization partnerships, and connectivity for retail chains and government institutions under the O2 Business portfolio.

Quantifiable outcome

• 5G+ network delivers 50% faster speeds than 4G with improved reliability and enhanced battery life
• +4 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability6 records

Feature7 records

Partnerships

15 partnerships are on record, tiered core, minor, innovation and flagship.

• CellnexcoreStrategic or Co-development Partner · 26 June 2026O2 joined Cellnex's Brighton Main Line connectivity project for high-speed mobile 5G connectivity across 108km rail route. Partnership developed in coordination with Network Rail under 25-year contract awarded in 2021.
• GreggsminorGTM or Marketing Partner · 18 June 2026Priority rewards partnership offering free hot drinks to O2 customers during World Cup matches. Available 8am-11am morning after Scotland and England matches through Priority app at Greggs shops across UK.
• MavenirinnovationStrategic or Co-development Partner · 11 June 2026Proof-of-concept trial of network-based hearing accessibility technology. Creates personalized hearing profiles and automatically optimizes audio in real-time for hearing-impaired customers. Nearly 90% of participants reported clearer calls. Technology remains in early development stages.
• The Odyssey TrustflagshipGTM or Marketing Partner · 14 April 202610-year naming rights partnership for Belfast's Odyssey site rebranded as The O2 Belfast. Includes 11,200-capacity arena (largest indoor entertainment venue in Northern Ireland), Belfast Giants sponsorship, and digital infrastructure investment. Effective July 2026.
• Vecta LabsinnovationTechnology or Integration · 29 March 2026First European deployment of pre-assembled mobile mast technology. Components fully assembled and tested in controlled factory environment. Reduces on-site installation time by up to 75%. Deployed in Sandwich, Kent with plans for 100 sites across UK.
• OntixcoreTechnology or Integration · 10 March 2026Partnership for 4G and 5G small cell deployment using existing street infrastructure. First cells deployed in Bath city centre with Open Access Agreement with Bath & North East Somerset Council. Also deployed at Deeside Industrial Park in Flintshire, North Wales.
• NokiacoreTechnology or Integration · 3 March 2026Strategic shift to operate 5G Core network on AWS Outposts deployed in O2's own data center using Nokia technology. First telecommunications operator worldwide with production-scale network functions on AWS Outposts. Currently running with 1 million customers.
• AWS OutpostscoreTechnology or Integration · 3 March 2026Hybrid cloud strategy deployment for 5G Core network. Supports technical independence and progress toward agentic AI-based autonomous networks.
• McAfeecoreGTM or Marketing Partner · 19 February 2026Launched McAfee Protect Advanced exclusive security package for O2 customers. Family security covering up to 10 devices with AI-powered antivirus, parental controls, scam detection. Available through Extras service at £4.99/month or free for Ultimate Plan customers.
• ZinkworkscoreTechnology or Integration · 6 February 2026Extended partnership for AI monitoring tools deployed across UK mobile network. AI-driven automation aims to reduce downtime, enhance performance during peak demand, and support autonomous network operations using Google Cloud platform technologies.
• Google CloudcoreTechnology or Integration · 6 February 2026AI network monitoring and autonomous operations platform. Technology infrastructure supporting Virgin Media O2's AI-driven automation strategy.
• FreshwavecoreTechnology or Integration · 18 December 2025Partnership to deploy 13 new 4G/5G small cells in Guildford city centre with Surrey County Council collaboration. Majority of small cells already operational, enhancing service in high-demand areas.
• England RugbyflagshipGTM or Marketing Partner · 20 November 2025Partnership extended until 2031 maintaining O2 as front-of-shirt sponsor for both men's and women's England Rugby teams. Long-standing relationship supporting growth of English rugby including record match attendances.
• Starlink (SpaceX)coreTechnology or Integration · 30 October 2025Multi-year partnership for O2 Satellite direct-to-device service using Starlink's Direct to Cell constellation of over 650 low Earth orbit satellites. First operator in UK and Europe to launch such service. Enables text messages, WhatsApp, and location services on regular smartphones in areas with no network coverage.
• Network RailcoreStrategic or Co-development Partner · 1 January 202125-year infrastructure contract for rail connectivity project including 130km of high-capacity fibre, 4 Base Station Hotels, 39 Distributed Antenna Systems, and 16 macro sites covering 99% of Brighton Main Line route.

Scale indicators17 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• giffgaff: giffgaff is a wholly-owned O2 MVNO targeting younger, digital-first consumers with community-driven support. Direct internal competitor in prepaid/SIM-only segment on the same network.
• Three UK: Three UK is the fourth UK MNO, competing directly on unlimited data plans, 5G, and budget positioning. Operates with similar scale dynamics and rail/coverage quality benchmarks to O2.
• Vodafone UK: Vodafone UK is one of the four UK MNOs and a direct peer across consumer mobile plans, 5G rollout, enterprise connectivity, and home broadband convergence (with Virgin Media O2 as O2's convergence partner).
• Virgin Mobile (UK): Virgin Mobile is a wholly-owned subsidiary of O2's parent Virgin Media O2 and operates as an MVNO on the O2 network, competing in the same consumer mobile market with bundled broadband offers. Sister brand and direct internal competitor.
• EE (BT Consumer): EE is the UK's largest mobile network operator (part of BT Group) and O2's primary direct competitor in consumer and business mobile, 5G, and converged connectivity. Most comparable on network coverage claims, premium plan tiers, and enterprise contracts.
• BT Mobile: BT Mobile is the mobile arm of BT Group (sibling of EE), offering converged broadband+mobile plans. Comparable on converged bundle strategy and target market, though smaller than EE standalone.

Emerging players

• Tesco Mobile: Tesco Mobile is an MVNO operating on O2's network in the UK, focused on value-tier consumer mobile with retail-store distribution. Comparable on UK consumer mobile market dynamics; partial competitor.
• Sky Mobile: Sky Mobile is an MVNO that uses O2's network infrastructure, offering mobile plans bundled with Sky's broadband and TV. Comparable in converged consumer positioning but indirect competitor due to wholesale relationship with O2.

Others

• Telefónica (parent): Telefónica is the Spanish telecom parent of O2 UK and 50% owner of the Virgin Media O2 JV. Comparable on global mobile operator economics, though O2 UK is one subsidiary among many.
• Liberty Global: Liberty Global is the JV partner in Virgin Media O2 and owner of Virgin Media. Comparable as a major European telecom/connectivity operator; relevant through the JV ownership structure rather than direct market competition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights8 records

Customer concentration

• Xx.com/o2
• YouTubeyoutube.com/O2UKOfficial
• Facebookfacebook.com/o2uk
• LinkedInlinkedin.com/company/telef-nica-uk
• Instagraminstagram.com/o2uk

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about O2