---
title: "Advertising agencies: Which brands are most popular in search?"
description: "Compare the agencies brands run campaigns with. Share of Search among Havas, Omnicom, Publicis, WPP Media and Interpublic, the advertising agencies Brandwave compares worldwide, using the same methodology, market, and reporting period. 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."
canonical: "https://gobrandwave.com/demand/global-en/categories/advertising-agencies"
publisher: "Brandwave"
---

# Advertising agencies: Which brands are most popular in search?

Compare the agencies brands run campaigns with. Share of Search among Havas, Omnicom, Publicis, WPP Media and Interpublic, the advertising agencies Brandwave compares worldwide, using the same methodology, market, and reporting period. 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.

## Key facts

- **Competitive set**: Advertising agencies
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Havas, 35.9%

## Which brand is most popular in search among advertising agencies worldwide?

- Havas and Omnicom share the highest estimated Share of Search among advertising agencies worldwide, at 35.9% in August 2026.
- Across the 11 months ending August 2026, Havas’ estimated Share of Search among advertising agencies worldwide decreased from 37.1% to 35.9%.
- Across the 11 months ending August 2026, Omnicom’s estimated Share of Search among advertising agencies worldwide increased from 24.8% to 35.9%.
- Across the 11 months ending August 2026, Publicis’ estimated Share of Search among advertising agencies worldwide decreased from 24.8% to 19.6%.
- Across the 11 months ending August 2026, WPP Media’s estimated Share of Search among advertising agencies worldwide decreased from 11.1% to 7.2%.
- Across the 11 months ending August 2026, Interpublic’s estimated Share of Search among advertising agencies worldwide decreased from 2.2% to 1.4%.
- Across the 11 months ending August 2026, Havas’ estimated Share of Search among advertising agencies worldwide peaked at 38.8% in July 2026 and was lowest at 22.9% in December 2025.
- Across the 11 months ending August 2026, Omnicom’s estimated Share of Search among advertising agencies worldwide peaked at 51.1% in December 2025 and was lowest at 24.8% in October 2025.
- Across the 11 months ending August 2026, Publicis’ estimated Share of Search among advertising agencies worldwide peaked at 30.8% in February 2026 and was lowest at 18.7% in December 2025.
- Across the 11 months ending August 2026, WPP Media’s estimated Share of Search among advertising agencies worldwide peaked at 11.1% in October 2025 and was lowest at 5.6% in December 2025.
- Across the 11 months ending August 2026, Interpublic’s estimated Share of Search among advertising agencies worldwide peaked at 2.6% in November 2025 and was lowest at 1.1% in May 2026.

## Compare search popularity between leading brands

- [Havas vs Omnicom: compare search popularity](/demand/global-en/compare/havas-vs-omnicom): 35.9% Share of Search each.
- [Havas vs Publicis: compare search popularity](/demand/global-en/compare/havas-vs-publicis): 35.9% against 19.6% Share of Search.
- [Havas vs WPP Media: compare search popularity](/demand/global-en/compare/havas-vs-wpp-media): 35.9% against 7.2% Share of Search.
- [Omnicom vs Publicis: compare search popularity](/demand/global-en/compare/omnicom-vs-publicis): 35.9% against 19.6% Share of Search.
- [Omnicom vs WPP Media: compare search popularity](/demand/global-en/compare/omnicom-vs-wpp-media): 35.9% against 7.2% Share of Search.
- [Publicis vs WPP Media: compare search popularity](/demand/global-en/compare/publicis-vs-wpp-media): 19.6% against 7.2% Share of Search.

## How did search popularity change for advertising agencies worldwide in August 2026?

- In August 2026, Omnicom gained estimated Share of Search among advertising agencies worldwide, from 31.7% to 35.9%.
- In August 2026, WPP Media gained estimated Share of Search among advertising agencies worldwide, from 6.3% to 7.2%.
- In August 2026, Havas lost estimated Share of Search among advertising agencies worldwide, from 38.8% to 35.9%.
- In August 2026, Publicis lost estimated Share of Search among advertising agencies worldwide, from 21.2% to 19.6%.
- Estimated monthly branded searches for Interpublic worldwide fell 46.3% over 11 measured months, from 5.4K to 2.9K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Havas | 35.9% | 74K | -18.2% | Havas |
| 2 | Omnicom | 35.9% | 74K | 0.0% | Omnicom |
| 3 | Publicis | 19.6% | 40.5K | -18.2% | Publicis |
| 4 | WPP Media | 7.2% | 14.8K | 0.0% | WPP Media New Zealand |
| 5 | Interpublic | 1.4% | 2.9K | -34.1% | Interpublic |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Havas | 90.5K | 37.1% | 1 |
| Oct 2025 | Omnicom | 60.5K | 24.8% | 2 |
| Oct 2025 | Publicis | 60.5K | 24.8% | 3 |
| Oct 2025 | WPP Media | 27.1K | 11.1% | 4 |
| Oct 2025 | Interpublic | 5.4K | 2.2% | 5 |
| Nov 2025 | Omnicom | 90.5K | 35.7% | 1 |
| Nov 2025 | Havas | 74K | 29.2% | 2 |
| Nov 2025 | Publicis | 60.5K | 23.8% | 3 |
| Nov 2025 | WPP Media | 22.2K | 8.7% | 4 |
| Nov 2025 | Interpublic | 6.6K | 2.6% | 5 |
| Dec 2025 | Omnicom | 165K | 51.1% | 1 |
| Dec 2025 | Havas | 74K | 22.9% | 2 |
| Dec 2025 | Publicis | 60.5K | 18.7% | 3 |
| Dec 2025 | WPP Media | 18.1K | 5.6% | 4 |
| Dec 2025 | Interpublic | 5.4K | 1.7% | 5 |
| Jan 2026 | Havas | 90.5K | 32.1% | 1 |
| Jan 2026 | Omnicom | 90.5K | 32.1% | 2 |
| Jan 2026 | Publicis | 74K | 26.3% | 3 |
| Jan 2026 | WPP Media | 22.2K | 7.9% | 4 |
| Jan 2026 | Interpublic | 4.4K | 1.6% | 5 |
| Feb 2026 | Havas | 90.5K | 30.8% | 1 |
| Feb 2026 | Omnicom | 90.5K | 30.8% | 2 |
| Feb 2026 | Publicis | 90.5K | 30.8% | 3 |
| Feb 2026 | WPP Media | 18.1K | 6.2% | 4 |
| Feb 2026 | Interpublic | 4.4K | 1.5% | 5 |
| Mar 2026 | Havas | 90.5K | 36.7% | 1 |
| Mar 2026 | Omnicom | 74K | 30% | 2 |
| Mar 2026 | Publicis | 60.5K | 24.5% | 3 |
| Mar 2026 | WPP Media | 18.1K | 7.3% | 4 |
| Mar 2026 | Interpublic | 3.6K | 1.5% | 5 |
| Apr 2026 | Havas | 90.5K | 36.7% | 1 |
| Apr 2026 | Omnicom | 74K | 30% | 2 |
| Apr 2026 | Publicis | 60.5K | 24.5% | 3 |
| Apr 2026 | WPP Media | 18.1K | 7.3% | 4 |
| Apr 2026 | Interpublic | 3.6K | 1.5% | 5 |
| May 2026 | Havas | 90.5K | 34.5% | 1 |
| May 2026 | Omnicom | 90.5K | 34.5% | 2 |
| May 2026 | Publicis | 60.5K | 23% | 3 |
| May 2026 | WPP Media | 18.1K | 6.9% | 4 |
| May 2026 | Interpublic | 2.9K | 1.1% | 5 |
| Jun 2026 | Havas | 90.5K | 34.5% | 1 |
| Jun 2026 | Omnicom | 90.5K | 34.5% | 2 |
| Jun 2026 | Publicis | 60.5K | 23% | 3 |
| Jun 2026 | WPP Media | 18.1K | 6.9% | 4 |
| Jun 2026 | Interpublic | 2.9K | 1.1% | 5 |
| Jul 2026 | Havas | 90.5K | 38.8% | 1 |
| Jul 2026 | Omnicom | 74K | 31.7% | 2 |
| Jul 2026 | Publicis | 49.5K | 21.2% | 3 |
| Jul 2026 | WPP Media | 14.8K | 6.3% | 4 |
| Jul 2026 | Interpublic | 4.4K | 1.9% | 5 |
| Aug 2026 | Havas | 74K | 35.9% | 1 |
| Aug 2026 | Omnicom | 74K | 35.9% | 2 |
| Aug 2026 | Publicis | 40.5K | 19.6% | 3 |
| Aug 2026 | WPP Media | 14.8K | 7.2% | 4 |
| Aug 2026 | Interpublic | 2.9K | 1.4% | 5 |
| Sep 2026 | Havas | — | — | — |
| Sep 2026 | Interpublic | — | — | — |
| Sep 2026 | Omnicom | — | — | — |
| Sep 2026 | Publicis | — | — | — |
| Sep 2026 | WPP Media | — | — | — |

## What is being compared

- **Havas**: Measured on the search term “havas”.
- **Interpublic**: Measured on the search term “interpublic”.
- **Omnicom**: Measured on the search term “omnicom”.
- **Publicis**: Measured on the search term “publicis”.
- **WPP Media**: Measured on the search term “groupm”.

- [Havas](/demand/global-en/brands/havas)
- [Interpublic](/demand/global-en/brands/interpublic)
- [Omnicom](/demand/global-en/brands/omnicom)
- [Publicis](/demand/global-en/brands/publicis)
- [WPP Media](/demand/global-en/brands/wpp-media)

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which brand is most popular in search among advertising agencies worldwide?

Havas and Omnicom share the highest estimated Share of Search among advertising agencies worldwide, at 35.9% in August 2026. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Advertising agencies: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/advertising-agencies

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/advertising-agencies. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.