Brandwave

Advertising agencies:Which brands are most popular in search?

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.

Share of Search, August 2026
  1. Havas35.9%
  2. Omnicom35.9%
  3. Publicis19.6%
  4. WPP Media7.2%
  5. Interpublic1.4%

Follow advertising agencies and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand in this set →

Share of SearchLeaderboard

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 among advertising agencies worldwide, by month

Share of Search by month for Havas, Omnicom, Publicis, WPP Media. The figures are in the table below the chart.

View monthly share of search table
MonthHavasOmnicomPublicisWPP MediaInterpublic
Oct 202537.1%24.8%24.8%11.1%2.2%
Nov 202529.2%35.7%23.8%8.7%2.6%
Dec 202522.9%51.1%18.7%5.6%1.7%
Jan 202632.1%32.1%26.3%7.9%1.6%
Feb 202630.8%30.8%30.8%6.2%1.5%
Mar 202636.7%30%24.5%7.3%1.5%
Apr 202636.7%30%24.5%7.3%1.5%
May 202634.5%34.5%23%6.9%1.1%
Jun 202634.5%34.5%23%6.9%1.1%
Jul 202638.8%31.7%21.2%6.3%1.9%
Aug 202635.9%35.9%19.6%7.2%1.4%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Havas

    35.9%

    Held 1st. 74K estimated branded searches, -18.2% vs prior month. Share -2.9 points.

  2. 2.Omnicom

    35.9%

    Held 2nd. 74K estimated branded searches, 0% vs prior month. Share +4.2 points.

  3. 3.Publicis

    19.6%

    Held 3rd. 40.5K estimated branded searches, -18.2% vs prior month. Share -1.6 points.

  4. 4.WPP Media

    7.2%

    Held 4th. 14.8K estimated branded searches, 0% vs prior month. Share +0.8 points.

  5. 5.Interpublic

    1.4%

    Held 5th. 2.9K estimated branded searches, -34.1% vs prior month. Share -0.5 points.

Compare search popularity between leading brands

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.

Global advertising agencies, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Havas37.1% → 35.9%38.8%Jul 202622.9%Dec 20251st
Omnicom24.8% → 35.9%51.1%Dec 202524.8%Oct 20252nd
Publicis24.8% → 19.6%30.8%Feb 202618.7%Dec 20253rd
WPP Media11.1% → 7.2%11.1%Oct 20255.6%Dec 20254th
Interpublic2.2% → 1.4%2.6%Nov 20251.1%May 20265th

Each finding as a sentence

  • 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.

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

  1. In August 2026, Omnicom gained estimated Share of Search among advertising agencies worldwide, from 31.7% to 35.9%.

  2. In August 2026, WPP Media gained estimated Share of Search among advertising agencies worldwide, from 6.3% to 7.2%.

  3. In August 2026, Havas lost estimated Share of Search among advertising agencies worldwide, from 38.8% to 35.9%.

  4. In August 2026, Publicis lost estimated Share of Search among advertising agencies worldwide, from 21.2% to 19.6%.

  5. Estimated monthly branded searches for Interpublic worldwide fell 46.3% over 11 measured months, from 5.4K to 2.9K in August 2026.

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

See your own brand in this picture

Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.

Start free