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Three UK is a prominent telecommunications and internet service provider in the United Kingdom, part of the global CK Hutchison Holdings group. Launched in 2003, it was the UK's first 100% 3G network and has since evolved to offer comprehensive 4G and 5G services. Three UK provides a wide range of products including mobile phone contracts, SIM-only deals, pay-as-you-go services, mobile broadband, and home broadband solutions. The company is known for its efforts to enhance network coverage and capacity, focusing on delivering fast and reliable connectivity to its millions of customers across the UK. They often emphasize data-centric plans and value for money.
Serves as the central hub for Three UK's strategic, operational, and administrative functions, overseeing network development, marketing, sales, and corporate management for its UK operations.
Located in Green Park, a prominent business park known for its modern architecture, landscaped environment, and sustainability focus. The office itself is a contemporary workspace designed for collaboration and agility.
The work culture at Three UK's HQ is typically dynamic, fast-paced, and collaborative, reflecting the innovative nature of the telecommunications sector. There's an emphasis on customer-centricity and embracing new technologies to drive growth.
The Reading headquarters is significant as it centralizes Three UK's core decision-making and operational management, playing a crucial role in its market strategy and service delivery across the UK.
Three UK's operations are primarily focused within the United Kingdom. However, it is part of CK Hutchison Holdings, a multinational conglomerate headquartered in Hong Kong with diverse operations, including telecommunications under the '3' brand, in various countries across Europe (e.g., Ireland, Austria, Denmark, Sweden, Italy), Asia (e.g., Hong Kong, Indonesia), and Australia. While Three UK supports UK customers, its parent company manages a global telecommunications portfolio.
450 Longwater Avenue, Green Park
Reading
Berkshire
United Kingdom
Address: 2 Central Quay, Glasgow, G3 8BT, United Kingdom
Serves as a key centre for customer engagement and support for the UK market, leveraging Glasgow's skilled workforce in customer service industries. It also supports various back-office functions.
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As of April 2025, Three UK' leadership includes:
Three UK has been backed by several prominent investors over the years, including:
Three UK has made strategic leadership appointments in the past 12-18 months to bolster its technology, strategy and transformation efforts. Notable appointments include a new CIO and a Chief Strategy and Transformation Officer.
Discover the tools Three UK uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Three UK commonly uses the firstname.lastname@three.co.uk email format for its employees. This is a widely observed pattern for corporate communications, though variations for common names or specific departments might exist.
firstname.lastname@three.co.uk
Format
john.doe@three.co.uk
Example
85%
Success rate
Mobile News CWP • February 29, 2024
According to RootMetrics' H2 2023 UK mobile network performance report, Three UK was named joint best with EE for 5G Availability. This highlights Three's significant progress in expanding its 5G footprint across the country....more
Capacity Media • December 7, 2023
Three UK has announced a trial of a pioneering Open RAN (Radio Access Network) solution in Glasgow, aimed at enhancing network flexibility and vendor diversity. This initiative is part of Three's strategy to build a more efficient and adaptable 5G network infrastructure....more
Three UK Media Centre • February 7, 2024
Three UK has launched ‘Reconnected’, a new programme designed to help tackle digital exclusion by providing connectivity to 1 million people in need across the UK. The initiative involves donating SIM cards with data, calls, and texts through charity partners....more
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