What Does Three UK Do?

Total employees6240
HeadquartersReading
Founded2003

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.

Where Is Three UK's Headquarters?

Three UK officeThree UK officeThree UK officeThree UK office
*Images sourced via web search. Rights belong to original owners

HQ Function

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.

Notable Features:

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.

Work Culture:

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.

HQ Significance:

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.

Values Reflected in HQ: The headquarters' modern design and strategic location in a leading business park reflect Three UK's commitment to innovation, connectivity, and operational excellence in a competitive market.

Location:

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.

Street Address:

450 Longwater Avenue, Green Park

City:

Reading

State/Province:

Berkshire

Country:

United Kingdom

Where Else Does Three UK Operate Around the World?

Glasgow, Scotland, 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.

Buying Intent Signals for Three UK

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Three UK? Meet the Executive Team

As of April 2025, Three UK' leadership includes:

Robert Finnegan - Chief Executive Officer
Elaine Carey - Chief Commercial Officer
Darren Purkis - Chief Financial Officer
Iain Milligan - Chief Network Officer
Belinda Finch - Chief Information Officer
Stephen Lerner - Chief Strategy and Transformation Officer

Who's Investing in Three UK?

Three UK has been backed by several prominent investors over the years, including:

CK Hutchison Holdings

What Leadership Changes Has Three UK Seen Recently?

Hire1
Exits0

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.

New Appointments:

Stephen Lerner, Stephen Lerner was appointed to the newly created role of Chief Strategy and Transformation Officer at Three UK, reporting to CEO Robert Finnegan. (Note: Belinda Finch was appointed CIO in Feb 2023, slightly outside a strict 12-month window but a recent key hire).

What Technology (Tech Stack) Is Used byThree UK?

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 Email Formats and Examples

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

What's the Latest News About Three UK?

Mobile News CWP • February 29, 2024

Three UK Shares Top Spot for 5G Availability in Latest UK Network Tests

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 Trials Pioneering Open RAN Solution in Glasgow

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 launches ‘Reconnected’ to help 1 million people get back online

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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