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 Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 RELX plc $73.06 B United Kingdom UK Communication Services UK Publishing
2 Vodafone Group plc $31.38 B United Kingdom UK Communication Services UK Telecom Services
3 BT Group plc $23.94 B United Kingdom UK Communication Services UK Telecom Services
4 Airtel Africa plc $17.75 B United Kingdom UK Communication Services UK Telecom Services
5 Informa plc $15.08 B United Kingdom UK Communication Services UK Publishing
6 Pearson plc $8.71 B United Kingdom UK Communication Services UK Publishing
7 Auto Trader Group plc $6.56 B United Kingdom UK Communication Services UK Internet Content & Information
8 Rightmove plc $5.22 B United Kingdom UK Communication Services UK Internet Content & Information
9 WPP plc $4.90 B United Kingdom UK Communication Services UK Advertising Agencies
10 ITV plc $4.06 B United Kingdom UK Communication Services UK Broadcasting
11 Liberty Global plc $3.73 B United Kingdom UK Communication Services UK Entertainment
12 Genius Sports Ltd $2.57 B United Kingdom UK Communication Services UK Internet Content & Information
13 Helios Towers plc $2.30 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 4imprint Group plc $1.42 B United Kingdom UK Communication Services UK Advertising Agencies
16 Moneysupermarket.com Group plc $1.28 B United Kingdom UK Communication Services UK Internet Content & Information
17 Sumo Group plc $1.18 B

(Jan. 1, 2022)

 United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
18 Gamma Communications plc $1.13 B United Kingdom UK Communication Services UK Telecom Services
19 Ascential plc $923.9 M

(July 1, 2024)

 United Kingdom UK Communication Services UK Advertising Agencies
20 Future plc $655.5 M United Kingdom UK Communication Services UK Publishing
21 Team17 Group plc $640.6 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
22 Bloomsbury Publishing plc $518.4 M United Kingdom UK Communication Services UK Publishing
23 Next Fifteen Communications Group plc $427.5 M United Kingdom UK Communication Services UK Advertising Agencies
24 CentralNic Group plc $420.8 M

(July 1, 2023)

 United Kingdom UK Communication Services UK Internet Content & Information
25 YouGov plc $397.5 M United Kingdom UK Communication Services UK Advertising Agencies
26 Smiths News plc $252.1 M United Kingdom UK Communication Services UK Publishing
27 Reach plc $233.2 M United Kingdom UK Communication Services UK Publishing
28 Frontier Developments plc $230.7 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
29 M&C Saatchi plc $222.1 M United Kingdom UK Communication Services UK Advertising Agencies
30 S4 Capital plc $182.9 M United Kingdom UK Communication Services UK Advertising Agencies

Top Communication Services Companies from the United Kingdom as of Jan. 01, 2026

1. RELX plc

Company Profile: RELX plc
Market Cap (USD): $73.06 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

2. Vodafone Group plc

Company Profile: Vodafone Group plc
Market Cap (USD): $31.38 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

3. BT Group plc

Company Profile: BT Group plc
Market Cap (USD): $23.94 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

4. Airtel Africa plc

Company Profile: Airtel Africa plc
Market Cap (USD): $17.75 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

5. Informa plc

Company Profile: Informa plc
Market Cap (USD): $15.08 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

6. Pearson plc

Company Profile: Pearson plc
Market Cap (USD): $8.71 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

7. Auto Trader Group plc

Company Profile: Auto Trader Group plc
Market Cap (USD): $6.56 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

8. Rightmove plc

Company Profile: Rightmove plc
Market Cap (USD): $5.22 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

9. WPP plc

Company Profile: WPP plc
Market Cap (USD): $4.90 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

10. ITV plc

Company Profile: ITV plc
Market Cap (USD): $4.06 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Broadcasting

11. Liberty Global plc

Company Profile: Liberty Global plc
Market Cap (USD): $3.73 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

12. Genius Sports Ltd

Company Profile: Genius Sports Ltd
Market Cap (USD): $2.57 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): $2.30 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. 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

16. Moneysupermarket.com Group plc

Company Profile: Moneysupermarket.com Group plc
Market Cap (USD): $1.28 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

17. 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

18. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.13 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

19. 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

20. Future plc

Company Profile: Future plc
Market Cap (USD): $655.5 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

21. Team17 Group plc

Company Profile: Team17 Group plc
Market Cap (USD): $640.6 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

22. Bloomsbury Publishing plc

Company Profile: Bloomsbury Publishing plc
Market Cap (USD): $518.4 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

23. Next Fifteen Communications Group plc

Company Profile: Next Fifteen Communications Group plc
Market Cap (USD): $427.5 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

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. YouGov plc

Company Profile: YouGov plc
Market Cap (USD): $397.5 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

26. Smiths News plc

Company Profile: Smiths News plc
Market Cap (USD): $252.1 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

27. Reach plc

Company Profile: Reach plc
Market Cap (USD): $233.2 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

28. Frontier Developments plc

Company Profile: Frontier Developments plc
Market Cap (USD): $230.7 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

29. M&C Saatchi plc

Company Profile: M&C Saatchi plc
Market Cap (USD): $222.1 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

30. S4 Capital plc

Company Profile: S4 Capital plc
Market Cap (USD): $182.9 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

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