United Kingdom

Top 69 largest UK Companies in the Communication Services sector by Market Cap

This is the list of the largest public listed companies in the Communication Services sector from the United Kingdom by market capitalization with links to their reference stock and industry.

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Top Communication Services Companies from the United Kingdom as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 RELX plc $99.92 B United Kingdom UK Communication Services UK Publishing
2 Vodafone Group plc $26.51 B United Kingdom UK Communication Services UK Telecom Services
3 BT Group plc $26.30 B United Kingdom UK Communication Services UK Telecom Services
4 Informa plc $14.39 B United Kingdom UK Communication Services UK Publishing
5 Pearson plc $9.79 B United Kingdom UK Communication Services UK Publishing
6 Auto Trader Group plc $9.77 B United Kingdom UK Communication Services UK Internet Content & Information
7 Airtel Africa plc $8.93 B United Kingdom UK Communication Services UK Telecom Services
8 Rightmove plc $8.19 B United Kingdom UK Communication Services UK Internet Content & Information
9 WPP plc $7.85 B United Kingdom UK Communication Services UK Advertising Agencies
10 ITV plc $4.26 B United Kingdom UK Communication Services UK Broadcasting
11 Liberty Global plc $3.49 B United Kingdom UK Communication Services UK Entertainment
12 Genius Sports Ltd $2.38 B United Kingdom UK Communication Services UK Internet Content & Information
13 Helios Towers plc $1.82 B United Kingdom UK Communication Services UK Telecom Services
14 Daily Mail and General Trust plc $1.64 B

(Jan. 1, 2022)

 United Kingdom UK Communication Services UK Publishing
15 Moneysupermarket.com Group plc $1.58 B United Kingdom UK Communication Services UK Internet Content & Information
16 Gamma Communications plc $1.43 B United Kingdom UK Communication Services UK Telecom Services
17 4imprint Group plc $1.42 B United Kingdom UK Communication Services UK Advertising Agencies
18 Sumo Group plc $1.18 B

(Jan. 1, 2022)

 United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
19 Future plc $1.00 B United Kingdom UK Communication Services UK Publishing
20 Ascential plc $923.9 M

(July 1, 2024)

 United Kingdom UK Communication Services UK Advertising Agencies
21 YouGov plc $614.7 M United Kingdom UK Communication Services UK Advertising Agencies
22 Bloomsbury Publishing plc $542.7 M United Kingdom UK Communication Services UK Publishing
23 Team17 Group plc $522.6 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
24 CentralNic Group plc $420.8 M

(July 1, 2023)

 United Kingdom UK Communication Services UK Internet Content & Information
25 Next Fifteen Communications Group plc $341.9 M United Kingdom UK Communication Services UK Advertising Agencies
26 M&C Saatchi plc $320.8 M United Kingdom UK Communication Services UK Advertising Agencies
27 Reach plc $314.4 M United Kingdom UK Communication Services UK Publishing
28 S4 Capital plc $216.4 M United Kingdom UK Communication Services UK Advertising Agencies
29 Smiths News plc $190.4 M United Kingdom UK Communication Services UK Publishing
30 Frontier Developments plc $175.7 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia

Top Communication Services Companies from the United Kingdom as of Jul. 01, 2025

1. RELX plc

Company Profile: RELX plc
Market Cap (USD): $99.92 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

2. Vodafone Group plc

Company Profile: Vodafone Group plc
Market Cap (USD): $26.51 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

3. BT Group plc

Company Profile: BT Group plc
Market Cap (USD): $26.30 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

4. Informa plc

Company Profile: Informa plc
Market Cap (USD): $14.39 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

5. Pearson plc

Company Profile: Pearson plc
Market Cap (USD): $9.79 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

6. Auto Trader Group plc

Company Profile: Auto Trader Group plc
Market Cap (USD): $9.77 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

7. Airtel Africa plc

Company Profile: Airtel Africa plc
Market Cap (USD): $8.93 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

8. Rightmove plc

Company Profile: Rightmove plc
Market Cap (USD): $8.19 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

9. WPP plc

Company Profile: WPP plc
Market Cap (USD): $7.85 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

10. ITV plc

Company Profile: ITV plc
Market Cap (USD): $4.26 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Broadcasting

11. Liberty Global plc

Company Profile: Liberty Global plc
Market Cap (USD): $3.49 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

12. Genius Sports Ltd

Company Profile: Genius Sports Ltd
Market Cap (USD): $2.38 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

13. Helios Towers plc

Company Profile: Helios Towers plc
Market Cap (USD): $1.82 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

14. Daily Mail and General Trust plc

Company Profile: Daily Mail and General Trust plc
Market Cap (USD): $1.64 B (Jan. 1, 2022)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

15. Moneysupermarket.com Group plc

Company Profile: Moneysupermarket.com Group plc
Market Cap (USD): $1.58 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

16. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.43 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

17. 4imprint Group plc

Company Profile: 4imprint Group plc
Market Cap (USD): $1.42 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

18. Sumo Group plc

Company Profile: Sumo Group plc
Market Cap (USD): $1.18 B (Jan. 1, 2022)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

19. Future plc

Company Profile: Future plc
Market Cap (USD): $1.00 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

20. Ascential plc

Company Profile: Ascential plc
Market Cap (USD): $923.9 M (July 1, 2024)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

21. YouGov plc

Company Profile: YouGov plc
Market Cap (USD): $614.7 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

22. Bloomsbury Publishing plc

Company Profile: Bloomsbury Publishing plc
Market Cap (USD): $542.7 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

23. Team17 Group plc

Company Profile: Team17 Group plc
Market Cap (USD): $522.6 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

24. CentralNic Group plc

Company Profile: CentralNic Group plc
Market Cap (USD): $420.8 M (July 1, 2023)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

25. Next Fifteen Communications Group plc

Company Profile: Next Fifteen Communications Group plc
Market Cap (USD): $341.9 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

26. M&C Saatchi plc

Company Profile: M&C Saatchi plc
Market Cap (USD): $320.8 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

27. Reach plc

Company Profile: Reach plc
Market Cap (USD): $314.4 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

28. S4 Capital plc

Company Profile: S4 Capital plc
Market Cap (USD): $216.4 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

29. Smiths News plc

Company Profile: Smiths News plc
Market Cap (USD): $190.4 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

30. Frontier Developments plc

Company Profile: Frontier Developments plc
Market Cap (USD): $175.7 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

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