As of March 2026 Omnicom Group has a market cap of NZ$45.27 Billion. This makes Omnicom Group the world's 890th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Mar 6th, 2026 the market cap of Omnicom Group was reported to be: