United Kingdom

Top 22 largest UK Companies in the Advertising Agencies industry by Market Cap

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

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Top Advertising Agencies Companies from the United Kingdom as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 WPP plc $7.85 B United Kingdom UK Communication Services UK Advertising Agencies
2 4imprint Group plc $1.42 B United Kingdom UK Communication Services UK Advertising Agencies
3 Ascential plc $923.9 M

(July 1, 2024)

 United Kingdom UK Communication Services UK Advertising Agencies
4 YouGov plc $614.7 M United Kingdom UK Communication Services UK Advertising Agencies
5 Next Fifteen Communications Group plc $341.9 M United Kingdom UK Communication Services UK Advertising Agencies
6 M&C Saatchi plc $320.8 M United Kingdom UK Communication Services UK Advertising Agencies
7 S4 Capital plc $216.4 M United Kingdom UK Communication Services UK Advertising Agencies
8 The Pebble Group plc $107.1 M United Kingdom UK Communication Services UK Advertising Agencies
9 Arena Events Group plc $92.0 M

(Feb. 1, 2022)

 United Kingdom UK Communication Services UK Advertising Agencies
10 System1 Group plc $77.6 M United Kingdom UK Communication Services UK Advertising Agencies
11 Centaur Media plc $66.9 M United Kingdom UK Communication Services UK Advertising Agencies
12 Ebiquity plc $44.7 M United Kingdom UK Communication Services UK Advertising Agencies
13 The Mission Group plc $30.8 M United Kingdom UK Communication Services UK Advertising Agencies
14 NAHL Group plc $28.5 M United Kingdom UK Communication Services UK Advertising Agencies
15 Dianomi plc $10.9 M United Kingdom UK Communication Services UK Advertising Agencies
16 SpaceandPeople plc $3.1 M United Kingdom UK Communication Services UK Advertising Agencies
17 Jaywing plc $1.9 M

(Jan. 1, 2025)

 United Kingdom UK Communication Services UK Advertising Agencies
18 MediaZest plc $1.9 M United Kingdom UK Communication Services UK Advertising Agencies
19 Mirriad Advertising plc $25,347 United Kingdom UK Communication Services UK Advertising Agencies
20 Silver Bullet Data Services Group PLC United Kingdom UK Communication Services UK Advertising Agencies
21 Iconic Labs plc United Kingdom UK Communication Services UK Advertising Agencies
22 Next 15 Group PLC United Kingdom UK Communication Services UK Advertising Agencies

Top Advertising Agencies Companies from the United Kingdom as of Jul. 01, 2025

1. WPP plc

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

2. 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

3. 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

4. YouGov plc

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

5. 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

6. 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

7. 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

8. The Pebble Group plc

Company Profile: The Pebble Group plc
Market Cap (USD): $107.1 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

9. Arena Events Group plc

Company Profile: Arena Events Group plc
Market Cap (USD): $92.0 M (Feb. 1, 2022)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

10. System1 Group plc

Company Profile: System1 Group plc
Market Cap (USD): $77.6 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

11. Centaur Media plc

Company Profile: Centaur Media plc
Market Cap (USD): $66.9 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

12. Ebiquity plc

Company Profile: Ebiquity plc
Market Cap (USD): $44.7 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

13. The Mission Group plc

Company Profile: The Mission Group plc
Market Cap (USD): $30.8 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

14. NAHL Group plc

Company Profile: NAHL Group plc
Market Cap (USD): $28.5 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

15. Dianomi plc

Company Profile: Dianomi plc
Market Cap (USD): $10.9 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

16. SpaceandPeople plc

Company Profile: SpaceandPeople plc
Market Cap (USD): $3.1 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

17. Jaywing plc

Company Profile: Jaywing plc
Market Cap (USD): $1.9 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

18. MediaZest plc

Company Profile: MediaZest plc
Market Cap (USD): $1.9 M
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

19. Mirriad Advertising plc

Company Profile: Mirriad Advertising plc
Market Cap (USD): $25,347
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

20. Silver Bullet Data Services Group PLC

Company Profile: Silver Bullet Data Services Group PLC
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

21. Iconic Labs plc

Company Profile: Iconic Labs plc
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

22. Next 15 Group PLC

Company Profile: Next 15 Group PLC
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

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