NAB vs Westpac:Which is more popular?
In September 2026, NAB and Westpac were level in searches among business bank accounts in Australia, with an estimated 2.9K branded searches each, at 5.1% of the total each. When we asked ChatGPT and Google AI Overviews about business bank accounts, both NAB and Westpac appeared in all five answers. NAB was mentioned before Westpac in every answer.
Who do people search for more?
NAB and Westpac are searched for about as often as each other.
Who does AI mention more?
Both are mentioned in every answer we collected.
Who does AI recommend more?
NAB, named ahead of Westpac in every answer
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Top business bank accounts in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, both NAB and Westpac showed up in all five answers. NAB was listed before Westpac in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- NAB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Westpac5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
CommBank3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
ANZ2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Airwallex1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Wise1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Judo Bank0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Revolut0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about business bank accounts
5 answers
Asked ChatGPT
“What's the best business bank account in Australia?”
Asked ChatGPT
“Which bank should I open a business account with?”
Asked ChatGPT
“Which business account has the lowest fees for a small business?”
Searched Google, AI Overview
“business bank account”
Searched Google, AI Overview
“business account”
Brands are shown in the order each answer named them. The survey took place in Australia on October 27, 2026.
Share of searches by month for NAB, Westpac. The figures are in the table below the chart.
View monthly share of searches table
| Month | Judo Bank | Airwallex | CommBank | NAB | Revolut | Westpac | ANZ | Wise |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 36.2% | 36.3% | 8.8% | 5.8% | 3.2% | 4.8% | 3.8% | 1.2% |
| Nov 2025 | 37.1% | 37.2% | 7.4% | 4.9% | 2.7% | 5.9% | 3.9% | 0.98% |
| Dec 2025 | 34.1% | 41.8% | 6.7% | 4.4% | 3% | 5.5% | 3.7% | 0.9% |
| Jan 2026 | 29% | 43.6% | 8.6% | 5.7% | 3.1% | 5.7% | 3.1% | 1.2% |
| Feb 2026 | 45.5% | 30.5% | 7.4% | 4.9% | 2.7% | 4.9% | 3.2% | 0.99% |
| Mar 2026 | 48.3% | 32.4% | 5.3% | 4.3% | 2.3% | 4.3% | 2.3% | 0.86% |
| Apr 2026 | 43.7% | 35.9% | 5.8% | 4.7% | 2.6% | 3.9% | 2.6% | 0.95% |
| May 2026 | 47.2% | 31.8% | 6.3% | 4.1% | 2.7% | 4.1% | 2.7% | 1% |
| Jun 2026 | 52.2% | 28.8% | 5.7% | 3.7% | 2.4% | 3.7% | 2.4% | 0.93% |
| Jul 2026 | 44.8% | 30.1% | 7.3% | 4.8% | 4% | 4.8% | 3.1% | 1.2% |
| Aug 2026 | 42.1% | 34.7% | 5.6% | 4.5% | 4.5% | 4.5% | 3% | 1.1% |
| Sep 2026 | 39.2% | 32.1% | 7.8% | 5.1% | 5.1% | 5.1% | 4.2% | 1.3% |
NAB and Westpac sell other things too, so only their searches that name this product count here, like “nab business account”.
How has the NAB and Westpac comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Westpac took it in November 2025, NAB took it in April 2026.
- Across the 12 months ending September 2026, NAB’s share of searches among business bank accounts in Australia moved from 5.8% to 5.1%, and its estimated monthly branded searches held steady at 2.9K.
- Across the 12 months ending September 2026, Westpac’s share of searches among business bank accounts in Australia moved from 4.8% to 5.1%, and its estimated monthly branded searches moved from 2.4K to 2.9K.
How did search popularity change for Australia business bank accounts in September 2026?
2 changes
In September 2026, NAB gained share of searches among business bank accounts in Australia, from 4.5% to 5.1%.
In September 2026, Westpac gained share of searches among business bank accounts in Australia, from 4.5% to 5.1%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using NAB’s and Westpac’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.
Other head-to-heads among business bank accounts
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