Top Holding Companies - Global 2018
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Top 10 rankings in alphabetical order:
| Holding company |
|---|
| Accenture |
| Alphabet |
| Dentsu |
| Hakuhodo DY Group |
| Havas |
| HAVI Group, LP |
| Interpublic Group |
| Omnicom Group |
| Publicis Groupe |
| Septeni Holdings |
| WPP |