How popular isEY?
In September 2026, people searched for EY by name about 958,000 times worldwide, about the same as the previous year. These searches made up 17.1% of all global accounting firm searches, placing EY fourth out of eight firms. When we asked both ChatGPT and Google AI Overviews about accounting firms, EY appeared in one of the three answers.
EY is the fourth most searched of 8 competitors.
DeloitteShare of searches 32.6%Mentioned in 1 of 3 AI answers
KPMGShare of searches 21.7%Mentioned in 1 of 3 AI answers
PwCShare of searches 17.8%Mentioned in 1 of 3 AI answers
EYShare of searches 17.1%Mentioned in 1 of 3 AI answers
Grant ThorntonShare of searches 4.4%Mentioned in 0 of 3 AI answers
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Top accounting firms in ChatGPT and Google AI Overviews
In three ChatGPT questions, EY was mentioned in one out of three: in one of the three ChatGPT answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Deloitte1 of 3Named in 1 of 3 ChatGPT answers
KPMG1 of 3Named in 1 of 3 ChatGPT answers
PwC1 of 3Named in 1 of 3 ChatGPT answers
EY1 of 3Named in 1 of 3 ChatGPT answers
BDO1 of 3Named in 1 of 3 ChatGPT answers
Grant Thornton0 of 3Named in 0 of 3 ChatGPT answers
Forvis Mazars0 of 3Named in 0 of 3 ChatGPT answers
Baker Tilly0 of 3Named in 0 of 3 ChatGPT answers
See every answer about accounting firms
3 answers
Asked ChatGPT
“Which accounting firm should I hire?”
Asked ChatGPT
“What are the best accounting firms?”
Asked ChatGPT
“What's the best accounting firm for a small business?”
Searched Google, AI Overview
“accounting firms”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“small business accountant”
Google showed no AI Overview for this search.
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.
Which accounting firms compete with EY?
Share of searches by month for Deloitte, KPMG, PwC, EY, Grant Thornton, Forvis Mazars, Baker Tilly. The figures are in the table below the chart.
View monthly share of searches table
| Month | Deloitte | KPMG | PwC | EY | Grant Thornton | Forvis Mazars | Baker Tilly | BDO |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 32.3% | 21.5% | 17.7% | 17.4% | 4.3% | 4.2% | 2.4% | 0.08% |
| Nov 2025 | 34.2% | 18.7% | 18.7% | 17.9% | 4.6% | 3.9% | 2.1% | 0.07% |
| Dec 2025 | 28.1% | 19% | 23.1% | 18.6% | 4.6% | 3.9% | 2.5% | 0.07% |
| Jan 2026 | 29.7% | 19.8% | 19.8% | 19% | 4.9% | 4.1% | 2.7% | 0.07% |
| Feb 2026 | 29.6% | 19.7% | 19.7% | 18.9% | 4.9% | 4.4% | 2.7% | 0.07% |
| Mar 2026 | 29.7% | 19.8% | 19.8% | 19% | 4.9% | 4.1% | 2.7% | 0.07% |
| Apr 2026 | 29.7% | 19.8% | 19.8% | 19% | 4.9% | 4.1% | 2.7% | 0.06% |
| May 2026 | 31.5% | 21% | 17.3% | 20.1% | 4.2% | 3.6% | 2.3% | 0.06% |
| Jun 2026 | 29.8% | 24.2% | 16.3% | 19% | 4% | 3.9% | 2.7% | 0.06% |
| Jul 2026 | 32.3% | 21.5% | 17.7% | 17.4% | 5.3% | 3.4% | 2.4% | 0.06% |
| Aug 2026 | 31.5% | 21% | 17.3% | 20.1% | 4.2% | 3.4% | 2.3% | 0.06% |
| Sep 2026 | 32.6% | 21.7% | 17.8% | 17.1% | 4.4% | 4% | 2.4% | 0.06% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 32.6% | 1.8M | +22% | +1 points | |
| 2, held 2nd | 21.7% | 1.2M | +22% | +0.7 points | |
| 3, moved from 4th to 3rd | 17.8% | 1M | +21.5% | +0.5 pointsmoved from 4th to 3rd | |
| 4, moved from 3rd to 4th | 17.1% | 958K | 0% | -3.1 pointsmoved from 3rd to 4th | |
| 5, held 5th | 4.4% | 246K | +22.4% | +0.2 points | |
| 6, held 6th | 4% | 226K | +41.4% | +0.7 points | |
| 7, held 7th | 2.4% | 135K | +22.7% | +0.1 points | |
| 8, held 8th | 0.06% | 3.6K | +24.1% | 0 points |
1.
Deloitte32.6%
Held 1st. 1.8M estimated branded searches, +22% vs prior month. Share +1 points.
2.
KPMG21.7%
Held 2nd. 1.2M estimated branded searches, +22% vs prior month. Share +0.7 points.
3.
PwC17.8%
Moved from 4th to 3rd. 1M estimated branded searches, +21.5% vs prior month. Share +0.5 points.
4.
EY17.1%
Moved from 3rd to 4th. 958K estimated branded searches, 0% vs prior month. Share -3.1 points.
4.4%
Held 5th. 246K estimated branded searches, +22.4% vs prior month. Share +0.2 points.
4%
Held 6th. 226K estimated branded searches, +41.4% vs prior month. Share +0.7 points.
2.4%
Held 7th. 135K estimated branded searches, +22.7% vs prior month. Share +0.1 points.
8.
BDO0.06%
Held 8th. 3.6K estimated branded searches, +24.1% vs prior month. Share 0 points.
Compare popularity between EY and its closest rivals
Every comparison with EY
7 comparisons
How has branded search demand for EY changed worldwide over the last 12 months?
2 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for EY worldwide held steady, from 988K to 958K.
- Across the 12 months ending September 2026, EY’s share of searches among accounting firms worldwide peaked at 20.1% in August 2026 and was lowest at 17.1% in September 2026.
How did search popularity change for accounting firms worldwide in September 2026?
6 changes

In September 2026, Deloitte gained share of searches among accounting firms worldwide, from 31.5% to 32.6%.

In September 2026, KPMG gained share of searches among accounting firms worldwide, from 21% to 21.7%.

In September 2026, Forvis Mazars gained share of searches among accounting firms worldwide, from 3.4% to 4%.

In September 2026, EY lost share of searches among accounting firms worldwide, from 20.1% to 17.1%.

In September 2026, PwC rose from 4th to 3rd among accounting firms worldwide.

Estimated monthly branded searches for BDO worldwide fell 18.2% over 12 measured months, from 4.4K to 3.6K in September 2026.
How are EY’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using EY’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.
- ernst and young
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