Top 20 information and communication companies in UK by revenue in 2024

The information and communication sector in the United Kingdom continues to play a vital role in driving the country’s digital economy, contributing significantly to GDP, employment, and technological innovation. In 2024, the industry experienced dynamic growth and transformation, fuelled by investments in 5G infrastructure, cloud computing, AI, and content streaming platforms. From telecom giants like BT Group and Virgin Media O2 to global players in publishing and cybersecurity such as RELX and BAE Systems Applied Intelligence, the UK's top companies in this sector have demonstrated resilience, adaptability, and innovation amidst economic uncertainty and evolving consumer demands. This list highlights the top 20 UK-based information and communication companies by revenue, offering insights into their financial performance, strategic developments, and contributions to the nation’s digital future.

1. BT Group (£20.8 billion)

BT Group plc stands as the largest telecommunications company in the UK, generating approximately £20.8 billion in revenue in 2024. It serves millions of residential and business customers across the UK and internationally, providing fixed-line, broadband, mobile, and TV services. The company’s extensive infrastructure includes a vast fibre-optic network that supports high-speed internet access nationwide. Financially, BT has been focusing on improving profitability through cost optimization and expanding its 5G mobile network offerings. Its business services segment, catering to corporate clients, contributes significantly to overall revenue and demonstrates steady growth. Despite competitive pressures, BT maintains a strong market position supported by ongoing investments in network modernization and customer experience. The company also invests in innovation, including digital platforms and cybersecurity solutions, to diversify revenue streams beyond traditional telecom services.

2. Virgin Media O2 (£13.26 billion )

Virgin Media O2 generated approximately £13.26 billion in revenue in 2024, making it the UK’s second-largest telecommunications provider. The company serves around 45.7 million mobile subscribers and 5.8 million fixed broadband customers, supported by a rapidly expanding fibre and 5G network infrastructure. Formed as a 50:50 joint venture between Liberty Global and Telefónica in 2021, VMO2 continues to invest heavily—over £2 billion in 2024 alone—into network improvements and innovative bundled services like its Volt packages. Despite facing a slight revenue decline and increased debt servicing costs amid rising interest rates, VMO2 maintains a strong market position. In 2025, it announced a merger of its enterprise division with Daisy Group, creating a £1.4 billion business to better compete against BT and Vodafone. The company also advances social initiatives, such as providing free mobile data for low-income groups. Overall, VMO2 balances investment, innovation, and social responsibility while navigating market challenges and competitive pressures.

3. Vodafone Group (£11.5 billion )

Vodafone Group generated approximately £11.5 billion in revenue from its UK telecommunications operations in 2024, making it one of the country’s leading providers. The company serves millions of mobile and fixed-line customers across the UK, offering services that include mobile telephony, broadband, and IoT solutions. Vodafone has invested heavily in expanding its 5G network and enhancing customer experience to maintain its competitive edge in the rapidly evolving telecom market. While the £11.5 billion reflects its UK business alone, Vodafone’s global revenue for the fiscal year ending March 2024 exceeded €36 billion, underscoring its stature as a multinational telecommunications giant. The company continues to drive innovation through digital transformation initiatives and strategic partnerships. Despite intense competition, Vodafone maintains a strong presence by focusing on network quality and service diversification.

4. RELX Group (£9.43 billion)

RELX Group plc reported a revenue of approximately £9.43 billion in 2024, marking a 7% increase from the previous year. The company's adjusted operating profit rose to £3.2 billion, reflecting a 10% underlying growth. A significant portion of its revenue, 83%, is derived from electronic services, with notable growth in its exhibitions segment, which saw an 11% increase. RELX's portfolio includes four main divisions: Risk & Business Analytics, Scientific, Technical & Medical (STM), Legal, and Exhibitions. The company has been focusing on leveraging artificial intelligence and other technologies to enhance its offerings. In 2024, RELX completed five acquisitions totaling £195 million and seven disposals amounting to £95 million. The company also announced a £1.5 billion share buyback program for 2025, with £150 million already completed. Looking ahead, RELX anticipates continued strong growth in revenue and adjusted operating profit.

5. Atos SE (£8.2 billion)

Atos SE reported a revenue of £8.2 billion in 2024, reflecting a 5.4% organic decline from the previous year. The company's UK & Ireland operations contributed €1.5 billion, down 14.9% organically, due to contract terminations and reduced public sector demand. Despite these challenges, Atos secured significant contracts, including a £150 million agreement with the UK government. The company is undergoing a strategic restructuring to streamline operations and focus on high-growth areas like cybersecurity and cloud services.

6. Computacenter (£6.96 billion)

Computacenter plc reported revenues of £6.96 billion in 2024, marking a modest 0.6% increase from the previous year. Despite a slight decline in adjusted operating profit to £246.7 million, the company maintained a strong gross profit margin of 14.9%. The firm experienced robust demand in the second half of the year, offsetting earlier challenges. With a solid order book, Computacenter remains optimistic about its growth prospects in 2025. The company continues to invest in expanding its services across Europe and North America, focusing on enhancing its IT infrastructure and consulting offerings.

7. BAE Systems Applied Intelligence (£6.19 billion)

BAE Systems Applied Intelligence Ltd, a division of BAE Systems plc, reported revenues of £6.19 billion in 2024, reflecting a 14% increase from the previous year . The division's operating profit rose by 4%, driven by strong program performance across its portfolio. BAE Systems Applied Intelligence specializes in providing cyber and intelligence services, with significant operations in both the UK and the US. The division's growth was supported by increased demand for cybersecurity solutions and intelligence services, contributing to BAE Systems' record order backlog of £77.8 billion in 2024 .

8. Pearson (£3.55 billion)

Pearson plc reported revenues of £3.55 billion in 2024, reflecting a 3% underlying sales growth despite a 3.3% decline on a headline basis due to currency fluctuations and divestitures. The company's adjusted operating profit increased by 5% to £600 million, driven by strong performances in its English Language Learning and Workforce Skills divisions, which grew by 8% and 6% respectively. Pearson's strategic focus on digital transformation, particularly the integration of artificial intelligence into its educational offerings, has been a significant growth driver. The company launched its first AI-powered digital language tutor and formed a multi-year partnership with Microsoft to enhance its AI capabilities. Additionally, Pearson initiated a £350 million share buyback program, repurchasing £65 million by April 2025. With a workforce of approximately 17,600 employees, Pearson continues to position itself as a leading provider of educational publishing and digital learning solutions.

9. Informa (£3.55 billion)

Informa plc reported a revenue of approximately £3.55 billion in 2024, driven by strong growth across its diverse divisions. The company operates in publishing, business intelligence, and events, organizing over 800 specialist B2B events worldwide through its Informa Markets division. Its academic publishing arm, Taylor & Francis, contributed £698 million in revenue, while Informa Tech and Informa Connect also showed solid growth in digital services and content-led events. In 2024, Informa acquired Ascential, adding the Cannes Lions Festival to its portfolio and strengthening its position in the events sector. The company’s adjusted operating profit rose to £995 million, supported by a resurgence in live events and strategic expansion. Free cash flow increased significantly, enabling further investment in high-growth markets. Overall, Informa balances strong financial performance with broad industry reach, positioning it well for future growth.

10. Sky UK (£3.29 billion)

Sky UK Ltd reported a revenue of approximately £3.29 billion in 2024, making it a significant player in the UK's telecommunications sector. The company offers a range of services, including pay-TV, broadband, mobile, and streaming through platforms like Sky Glass and Sky Stream. In the 2023 financial year, Sky's direct-to-consumer business, encompassing these services, generated £8.5 billion in revenue. However, the company faced challenges, reporting an operating loss of £224 million for the same period, attributed to increased programming costs and a decline in traditional pay-TV subscriptions. Despite these financial pressures, Sky continues to invest in content production and technological innovation to remain competitive in the evolving media landscape.

11. Capita (£2.42 billion)

Capita plc reported revenues of approximately £2.42 billion in 2024, reflecting a 14% decline from the previous year. Despite the revenue drop, the company achieved a net income of £76.7 million, a significant turnaround from a £178.1 million loss in 2023. This improvement was attributed to cost-cutting measures totaling £90 million and the strategic exit from lower-margin businesses.

12. Telecom Plus (£2.04 billion)

Telecom Plus plc, operating under the Utility Warehouse brand, reported revenues of £2.04 billion in 2024, a 17.6% decrease from the previous year, primarily due to lower retail energy prices. Despite the revenue decline, the company achieved a record adjusted pre-tax profit of £116.9 million, up 21.5% year-on-year. Net income increased by 3.8% to £71.0 million. The company experienced a 15% growth in its customer base, reaching 1.2 million customers, bolstered by the acquisition of 25,000 fixed-line and broadband customers from a subsidiary of the TalkTalk Group.

13. Viaplay Group (£1.27 billion)

Viaplay Group UK Ltd, a subsidiary of Sweden-based Viaplay Group AB, reported revenues of SEK 18.49 billion (approximately £1.27 billion) for 2024, a slight decrease from the previous year. The company achieved a net income of SEK 106 million, a significant turnaround from a net loss of SEK 9.75 billion in 2023. This financial recovery was largely attributed to cost-cutting measures and strategic restructuring. Viaplay continues to offer a diverse range of television programming and streaming services, maintaining a strong presence in the UK and other markets.

14. S4 Capital (£848 million

S4 Capital plc reported revenues of £848 million in 2024, a 16.1% decrease from the previous year, primarily due to reduced marketing spend by technology clients shifting focus to AI investments. The company faced a net loss of £306.9 million, influenced by a £280 million impairment charge. Despite these setbacks, S4 Capital initiated its first cash dividend and reduced net debt from £206 million to £144.8 million. The firm anticipates improved performance in the second half of 2025, driven by cost-cutting measures and a rebound in client demand.

15. Sopra Steria (£823 million)

Sopra Steria Ltd, the UK subsidiary of the French digital transformation firm Sopra Steria Group, reported revenues of €962.1 million (approximately £823 million) in 2024, accounting for 17% of the Group's total revenue . The UK operations experienced a slight 0.5% decline in revenue, primarily due to the expiration of a major contract and the delay of another significant contract to early 2025. Despite these challenges, the operating margin on business activity improved by 1.1 percentage points, reaching 12.1%. The private sector demonstrated robust growth, offsetting a contraction in public sector activities. Key verticals contributing to the performance included financial services, government, and transport.

16. Gamma Communications (£579.4 million)

Gamma Communications plc reported revenues of £579.4 million in 2024, marking an 11% increase from the previous year. The company's profit before tax rose by 34% to £95.6 million, driven by strong organic growth and strategic acquisitions. Adjusted EBITDA increased by 10% to £125.5 million, and the company announced a share buyback program of up to £50 million in the first half of 2025. Gamma's robust performance underscores its position as a leading provider of unified communications services in the UK and Europe.

17. Daisy Group (£443.2 million)

In the fiscal year, 2024, Daisy Group Ltd reported revenues of £443.2 million, marking a 6% increase from the previous year. This growth was primarily driven by its SME division, which contributed £219.8 million, while the Daisy Corporate Services (DCS) unit accounted for £223.4 million. Notably, in July 2024, Daisy demerged its DCS division, selling it to Wavenet. This strategic move allowed Daisy to reduce its debt by £355 million and refocus on its core SME market, which comprises approximately 175,000 customers. The SME division offers a range of services, including broadband, cloud, and mobile solutions, catering to small and medium-sized enterprises across the UK.

18. Plusnet (£401.8 million)

Plusnet plc, a subsidiary of BT Group, reported revenues of £401.8 million for the year ending March 31, 2024, reflecting a 5% decline from the previous year. The company implemented a 7.9% price increase in March 2024 to counteract rising operational costs. Despite the revenue dip, Plusnet expanded its workforce by 9%, bringing the total to approximately 1,080 employees. The company's net assets grew by 1% to £158.7 million, indicating financial stability amid a competitive broadband market. Plusnet continues to focus on providing reliable and affordable internet services to its customer base across the UK.

19. Channel 5 (£387.9 million)

Channel 5 Broadcasting Ltd, a subsidiary of Paramount Global, reported revenues of £387.9 million in 2024. The channel underwent a rebranding in March 2025, simplifying its name to "5" and consolidating its streaming services under the same brand. Channel 5 continues to offer a diverse range of programming, including original UK content and popular international series. The channel's reach extends to 4 out of 5 UK viewers monthly, supported by sister channels like 5STAR and 5USA, and the on-demand platform My5. This broad audience engagement underscores its significant presence in the UK's broadcasting landscape.

20. Hyperoptic ( £93.4 million)

Hyperoptic Ltd reported revenues of £93.4 million for the year ending December 31, 2023, marking a 19% increase from £78.7 million in the previous year. The company expanded its customer base by 17%, reaching approximately 312,000 customers, and increased its network coverage to over 1.5 million homes passed. Despite this growth, Hyperoptic faced a net loss of £142 million, attributed to significant investments in network expansion and rising interest expenses. In the first half of 2024, the company continued its growth trajectory, with a 22% revenue increase compared to the same period in 2023, and a higher percentage of customers subscribing to high-speed plans. Hyperoptic also secured additional funding, including a £35 million equity injection in May 2024, to support its ongoing infrastructure development.