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FINANCE
Companies
Largest Advertising Companies by Market Capitalisation
This list features the largest advertising companies by market capitalisation - the total value of a company's shares.
RANK | COMPANY | MARKET CAP | COUNTRY |
1 | Omnicom Group | $24.22 billion | USA |
2 | Publicis Groupe | $22.82 billion | France |
3 | Lamar Advertising | $13.59 billion | USA |
4 | Focus Media Information Technology | $13.25 billion | China |
5 | Outfront Media | $5.32 billion | USA |
6 | Dentsu | $5.00 billion | Japan |
7 | JCDecaux | $4.72 billion | France |
8 | Zeta Global | $4.37 billion | USA |
9 | CyberAgent | $4.19 billion | Japan |
10 | WPP | $3.89 billion | UK |
References
Companies Market Cap, (n.d.). Largest companies by market cap in advertising. [online] Available at: https://www.companiesmarketcap.com/gbp/advertising/largest-companies-by-market-cap/ [Accessed 1 December 2025].
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