Brandwave

How popular isAon in search?

In August 2026, there were an estimated 1K branded searches for Aon worldwide which is down 23.1% over the last 11 months. Aon holds 0.71% estimated Share of Search among insurance brokers worldwide and is ranked 5th of 6 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Willis Towers Watson52.4%
  2. Lockton35.1%
  3. Brown & Brown10.5%
  4. Marsh1.3%
  5. Aon0.71%
  6. Gallagher<0.01%
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Which insurance brokers compete with Aon?

Aon against insurance brokers worldwide, by month

Share of Search by month for Willis Towers Watson, Lockton, Brown & Brown, Aon. The figures are in the table below the chart.

View monthly share of search table
MonthWillis Towers WatsonLocktonBrown & BrownMarshAonGallagher
Oct 202540.7%49.5%8.1%1.1%0.58%<0.01%
Nov 202552.3%35%10.5%1.3%0.92%<0.01%
Dec 202552.4%35.1%10.5%1.3%0.71%<0.01%
Jan 202652.5%35.1%10.5%1.1%0.75%0.01%
Feb 202657.1%31.2%9.3%1.5%0.82%0.01%
Mar 202655.9%30.6%11.2%1.5%0.8%0.02%
Apr 202652.1%34.9%10.4%1.7%0.92%0.01%
May 202652.4%35.1%10.5%1.3%0.71%<0.01%
Jun 202650.9%34.1%12.5%1.7%0.89%0.01%
Jul 202652.2%34.9%10.4%1.7%0.71%0.01%
Aug 202652.4%35.1%10.5%1.3%0.71%<0.01%
Sep 2026——————

  1. 1.Willis Towers Watson

    52.4%

    Held 1st. 74K estimated branded searches, 0% vs prior month. Share +0.2 points.

  2. 2.Lockton

    35.1%

    Held 2nd. 49.5K estimated branded searches, 0% vs prior month. Share +0.1 points.

  3. 3.Brown & Brown

    10.5%

    Held 3rd. 14.8K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Marsh

    1.3%

    Held 4th. 1.9K estimated branded searches, -20.8% vs prior month. Share -0.3 points.

  5. 5.Aon

    0.71%

    Held 5th. 1K estimated branded searches, 0% vs prior month. Share 0 points.

  6. 6.Gallagher

    <0.01%

    Held 6th. 10 estimated branded searches, -50% vs prior month. Share 0 points.

Compare search popularity between Aon and its closest rivals

How has branded search demand for Aon changed worldwide over the last 12 months?

  • Across the 11 months ending August 2026, estimated monthly branded searches for Aon worldwide fell from 1.3K to 1K.
  • Across the 11 months ending August 2026, Aon’s estimated Share of Search among insurance brokers worldwide held steady, from 0.58% to 0.71%.

How did search popularity change for insurance brokers worldwide in August 2026?

  1. Estimated monthly branded searches for Lockton worldwide fell 55% over 11 measured months, from 110K to 49.5K in August 2026.

  2. Estimated monthly branded searches for Gallagher worldwide fell 50% over 11 measured months, from 20 to 10 in August 2026.

  3. Estimated monthly branded searches for Aon worldwide fell 23.1% over 11 measured months, from 1.3K to 1K in August 2026.

  4. Estimated monthly branded searches for Marsh worldwide fell 20.8% over 11 measured months, from 2.4K to 1.9K in August 2026.

  5. Estimated monthly branded searches for Brown & Brown worldwide fell 18.2% over 11 measured months, from 18.1K to 14.8K in August 2026.

  6. Estimated monthly branded searches for Willis Towers Watson worldwide fell 18.2% over 11 measured months, from 90.5K to 74K in August 2026.

How is Aon measured?

Brandwave collects information about searches that people make online using Aon’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

1 branded search term

  • aon broker

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How the Brand Demand Index is measured

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