Interpublic vs Omnicom:Which is more popular by branded search?
In August 2026, Omnicom had more branded searches than Interpublic among advertising agencies worldwide. Omnicom was estimated to have 74K branded searches compared to Interpublic’s 2.9K, and held a 35.9% Share of Search versus Interpublic’s 1.4%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Interpublic or Omnicom?
Compare the agencies brands run campaigns with. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Omnicom, Interpublic. The figures are in the table below the chart.
View monthly share of search table
| Month | Havas | Omnicom | Publicis | WPP Media | Interpublic |
|---|---|---|---|---|---|
| Oct 2025 | 37.1% | 24.8% | 24.8% | 11.1% | 2.2% |
| Nov 2025 | 29.2% | 35.7% | 23.8% | 8.7% | 2.6% |
| Dec 2025 | 22.9% | 51.1% | 18.7% | 5.6% | 1.7% |
| Jan 2026 | 32.1% | 32.1% | 26.3% | 7.9% | 1.6% |
| Feb 2026 | 30.8% | 30.8% | 30.8% | 6.2% | 1.5% |
| Mar 2026 | 36.7% | 30% | 24.5% | 7.3% | 1.5% |
| Apr 2026 | 36.7% | 30% | 24.5% | 7.3% | 1.5% |
| May 2026 | 34.5% | 34.5% | 23% | 6.9% | 1.1% |
| Jun 2026 | 34.5% | 34.5% | 23% | 6.9% | 1.1% |
| Jul 2026 | 38.8% | 31.7% | 21.2% | 6.3% | 1.9% |
| Aug 2026 | 35.9% | 35.9% | 19.6% | 7.2% | 1.4% |
| Sep 2026 | — | — | — | — | — |
How has the Interpublic and Omnicom comparison changed over the last 12 months?
3 findings
- Omnicom was ahead of Interpublic in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Interpublic’s estimated Share of Search among advertising agencies worldwide moved from 2.2% to 1.4%, and its estimated monthly branded searches moved from 5.4K to 2.9K.
- Across the 11 months ending August 2026, Omnicom’s estimated Share of Search among advertising agencies worldwide moved from 24.8% to 35.9%, and its estimated monthly branded searches moved from 60.5K to 74K.
How did search popularity change for advertising agencies worldwide in August 2026?
2 changes
In August 2026, Omnicom gained estimated Share of Search among advertising agencies worldwide, from 31.7% to 35.9%.
Estimated monthly branded searches for Interpublic worldwide fell 46.3% over 11 measured months, from 5.4K to 2.9K in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Interpublic’s and Omnicom’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Interpublic
1 branded search term
- interpublic
Omnicom
1 branded search term
- omnicom
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.