Gallagher vs Marsh:Which is more popular by branded search?
In August 2026, Marsh had more branded searches than Gallagher among insurance brokers worldwide. Marsh was estimated to have 1.9K branded searches compared to Gallagher’s 10, and held a 1.3% Share of Search versus Gallagher’s <0.01%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Gallagher or Marsh?
Compare the insurance brokers finance teams use. 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 Marsh, Gallagher. The figures are in the table below the chart.
View monthly share of search table
| Month | Willis Towers Watson | Lockton | Brown & Brown | Marsh | Aon | Gallagher |
|---|---|---|---|---|---|---|
| Oct 2025 | 40.7% | 49.5% | 8.1% | 1.1% | 0.58% | <0.01% |
| Nov 2025 | 52.3% | 35% | 10.5% | 1.3% | 0.92% | <0.01% |
| Dec 2025 | 52.4% | 35.1% | 10.5% | 1.3% | 0.71% | <0.01% |
| Jan 2026 | 52.5% | 35.1% | 10.5% | 1.1% | 0.75% | 0.01% |
| Feb 2026 | 57.1% | 31.2% | 9.3% | 1.5% | 0.82% | 0.01% |
| Mar 2026 | 55.9% | 30.6% | 11.2% | 1.5% | 0.8% | 0.02% |
| Apr 2026 | 52.1% | 34.9% | 10.4% | 1.7% | 0.92% | 0.01% |
| May 2026 | 52.4% | 35.1% | 10.5% | 1.3% | 0.71% | <0.01% |
| Jun 2026 | 50.9% | 34.1% | 12.5% | 1.7% | 0.89% | 0.01% |
| Jul 2026 | 52.2% | 34.9% | 10.4% | 1.7% | 0.71% | 0.01% |
| Aug 2026 | 52.4% | 35.1% | 10.5% | 1.3% | 0.71% | <0.01% |
| Sep 2026 | — | — | — | — | — | — |
How has the Gallagher and Marsh comparison changed over the last 12 months?
3 findings
- Marsh was ahead of Gallagher in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Gallagher’s estimated Share of Search among insurance brokers worldwide held steady at <0.01%, and its estimated monthly branded searches moved from 20 to 10.
- Across the 11 months ending August 2026, Marsh’s estimated Share of Search among insurance brokers worldwide moved from 1.1% to 1.3%, and its estimated monthly branded searches moved from 2.4K to 1.9K.
How did search popularity change for insurance brokers worldwide in August 2026?
2 changes
How each brand is measured
Brandwave collects information about searches that people make online using Gallagher’s and Marsh’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.
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