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Three UK is a big network for the little or life-changing connections that make life richer. Our brand embodies the strength of our network and how we can provide better connectivity every day for every customer. Three UK was founded in 2003 to challenge the mobile industry, and now covers 99% of the UK outdoor population with its combined 3G and 4G network and carries 28% of mobile data traffic in the country (Enders Analysis). Three has more spectrum exclusively dedicated to 5G than any other UK mobile network, meaning our customers will benefit from an outstanding experience when using the next generation of mobile technology. Three UK is the official sponsor of Chelsea FC men’s and women’s teams as well as Channel 4’s Gogglebox. Three is also a proud partner of Samaritans, where we will use the strength of our network and technology to connect 1 million people to emotional support.

Website http://www.three.co.uk
Revenue $3.1 billion
Employees 5,451 (3,825 on RocketReach)
Founded 2003
Phone +44 1628 765000
Technologies
Industry Telecommunications, Telephony & Wireless, Hardware, Telecommunications Service Providers, Mobile Operator, Internet, Other Communications and Networking, Mobile Internet Service Provider, Internet Services, Mobile, Mobile Technology, Software, Retail, Wireless
Web Rank 1946
Web Visits 32 Million
Keywords Mobile Network, Cellular Provider, Wireless Services, Data Plans, Phone Contracts, Sim Cards, Mobile Broadband, 5g Network, Network Coverage, Connectivity Solutions, Mobile Technology, Communication Services, Telephone Services, Mobile Internet, Smartphone Deals, International Roaming, Customer Support, Network Infrastructure, Telecommunications, Voice Services
Competitors Sky, EE, TalkTalk, O2 (Telefónica UK), Virgin Mobile, giffgaff, BT Group, FR Tees Solutions Limited, VOXI by Vodafone, Lebara +41 more (view full list)
SIC SIC Code 48 Companies, SIC Code 481 Companies
NAICS NAICS Code 5173 Companies, NAICS Code 51 Companies, NAICS Code 51731 Companies, NAICS Code 517311 Companies, NAICS Code 517 Companies

Three UK Questions

The Three UK annual revenue was $3.1 billion in 2026.

Justin Beasley is the Chief Product Owner - Digital Service of Three UK.

3,825 people are employed at Three UK.

The NAICS codes for Three UK are [5173, 51, 51731, 517311, 517].

The SIC codes for Three UK are [48, 481].

Top Three UK Employees

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