Tax advisory brands:Which are searched most?
In September 2026, Deloitte was the most searched among tax advisory brands worldwide, with an estimated 1.8M branded searches and 36.5% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.
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Share of SearchLeaderboard
Compare the tax advisory brands people buy. 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 Deloitte, KPMG, PwC, EY. The figures are in the table below the chart.
View monthly share of search table
| Month | Deloitte | KPMG | PwC | EY | BDO |
|---|---|---|---|---|---|
| Oct 2025 | 36.3% | 24.2% | 19.8% | 19.6% | 0.09% |
| Nov 2025 | 38.2% | 20.9% | 20.9% | 20% | 0.08% |
| Dec 2025 | 31.7% | 21.4% | 25.9% | 21% | 0.08% |
| Jan 2026 | 33.6% | 22.4% | 22.4% | 21.5% | 0.08% |
| Feb 2026 | 33.6% | 22.4% | 22.4% | 21.5% | 0.08% |
| Mar 2026 | 33.6% | 22.4% | 22.4% | 21.5% | 0.08% |
| Apr 2026 | 33.6% | 22.4% | 22.4% | 21.5% | 0.07% |
| May 2026 | 35% | 23.3% | 19.2% | 22.4% | 0.07% |
| Jun 2026 | 33.3% | 27.1% | 18.3% | 21.3% | 0.06% |
| Jul 2026 | 36.3% | 24.2% | 19.9% | 19.5% | 0.07% |
| Aug 2026 | 35% | 23.3% | 19.2% | 22.4% | 0.07% |
| Sep 2026 | 36.5% | 24.3% | 20% | 19.1% | 0.07% |
This month’s ranking, September 2026
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 36.5% | 1.8M | +22% | +1.5 points | |
| 2, held 2nd | 24.3% | 1.2M | +22% | +1 points | |
| 3, moved from 4th to 3rd | 20% | 1M | +21.5% | +0.7 pointsmoved from 4th to 3rd | |
| 4, moved from 3rd to 4th | 19.1% | 958K | 0% | -3.2 pointsmoved from 3rd to 4th | |
| 5, held 5th | 0.07% | 3.6K | +24.1% | 0 points |
1.
Deloitte36.5%
Held 1st. 1.8M estimated branded searches, +22% vs prior month. Share +1.5 points.
2.
KPMG24.3%
Held 2nd. 1.2M estimated branded searches, +22% vs prior month. Share +1 points.
3.
PwC20%
Moved from 4th to 3rd. 1M estimated branded searches, +21.5% vs prior month. Share +0.7 points.
4.
EY
19.1%
Moved from 3rd to 4th. 958K estimated branded searches, 0% vs prior month. Share -3.2 points.
5.
BDO0.07%
Held 5th. 3.6K estimated branded searches, +24.1% vs prior month. Share 0 points.
Compare search popularity between leading brands
Which brand is most popular in search among tax advisory brands worldwide?
5 brands
In September 2026, Deloitte was the most searched among tax advisory brands worldwide, with an estimated 1.8M branded searches and 36.5% estimated Share of Search within this set. KPMG is in 2nd place, 12.2 percentage points behind at 24.3% Share of Search.
| Brand | Share of Search | Peak | Low | Rank |
|---|---|---|---|---|
| Deloitte | 36.3% → 36.5% | 38.2%Nov 2025 | 31.7%Dec 2025 | 1st |
| KPMG | 24.2% → 24.3% | 27.1%Jun 2026 | 20.9%Nov 2025 | 2nd |
| PwC | 19.8% → 20% | 25.9%Dec 2025 | 18.3%Jun 2026 | 3rd |
| EY | 19.6% → 19.1% | 22.4%May 2026 | 19.1%Sep 2026 | 4th |
| BDO | 0.09% → 0.07% | 0.09%Oct 2025 | 0.06%Jun 2026 | 5th |
Each finding as a sentence
- Across the 12 months ending September 2026, Deloitte’s estimated Share of Search among tax advisory brands worldwide peaked at 38.2% in November 2025 and was lowest at 31.7% in December 2025.
- Across the 12 months ending September 2026, KPMG’s estimated Share of Search among tax advisory brands worldwide peaked at 27.1% in June 2026 and was lowest at 20.9% in November 2025.
- Across the 12 months ending September 2026, PwC’s estimated Share of Search among tax advisory brands worldwide peaked at 25.9% in December 2025 and was lowest at 18.3% in June 2026.
- Across the 12 months ending September 2026, EY’s estimated Share of Search among tax advisory brands worldwide peaked at 22.4% in May 2026 and was lowest at 19.1% in September 2026.
- Across the 12 months ending September 2026, Deloitte, KPMG, PwC, EY and BDO held steady: their estimated Share of Search among tax advisory brands worldwide each moved less than 0.5 percentage points.
How did search popularity change for tax advisory brands worldwide in September 2026?
5 changes
In September 2026, PwC overtook EY to rank 3rd among tax advisory brands worldwide, with 20% estimated Share of Search.
In September 2026, Deloitte gained estimated Share of Search among tax advisory brands worldwide, from 35% to 36.5%.
In September 2026, KPMG gained estimated Share of Search among tax advisory brands worldwide, from 23.3% to 24.3%.
In September 2026, EY lost estimated Share of Search among tax advisory brands worldwide, from 22.4% to 19.1%.
Estimated monthly branded searches for BDO worldwide fell 18.2% over 12 measured months, from 4.4K to 3.6K in September 2026.
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