---
title: "CommBank vs Westpac: Which is searched more in Australia?"
description: "Is CommBank or Westpac more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Business bank accounts set in Australia. 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."
canonical: "https://gobrandwave.com/demand/au/categories/au-business-bank-accounts/compare/commbank-vs-westpac"
publisher: "Brandwave"
---

# CommBank vs Westpac: Which is searched more in Australia?

Is CommBank or Westpac more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Business bank accounts set in Australia. 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.

## Key facts

- **Compared**: CommBank and Westpac
- **Competitive set**: Business bank accounts
- **Market**: Australia
- **Month measured**: Sep 2026
- **CommBank Share of Search**: 7.8%
- **Westpac Share of Search**: 5.1%

## Is CommBank or Westpac more popular in search?

- In September 2026, CommBank had more branded searches than Westpac among business bank accounts in Australia. CommBank had about 4,400 branded searches, while Westpac had 2,900. CommBank made up 7.8% of all business bank account searches we track, and Westpac accounted for 5.1%.
- CommBank was ahead of Westpac in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, CommBank’s share of searches among business bank accounts in Australia moved from 8.8% to 7.8%, and its estimated monthly branded searches held steady at 4.4K.
- 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.

## Top business bank accounts in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Westpac appeared in all five answers. CommBank was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Westpac was listed before CommBank in three out of five answers.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| NAB | 1st | 3 of 3 | 2 of 2 | 5 of 5 |
| Westpac | 2nd | 3 of 3 | 2 of 2 | 5 of 5 |
| CommBank | 3rd | 2 of 3 | 1 of 2 | 3 of 5 |
| ANZ | 4th | 0 of 3 | 2 of 2 | 2 of 5 |
| Airwallex | 5th | 1 of 3 | 0 of 2 | 1 of 5 |
| Wise | 5th | 0 of 3 | 1 of 2 | 1 of 5 |
| Judo Bank | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Revolut | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about business bank accounts

- Asked ChatGPT "What's the best business bank account in Australia?": 1. NAB, 2. CommBank, 3. Westpac, 4. Airwallex
- Asked ChatGPT "Which bank should I open a business account with?": 1. NAB, 2. Westpac, 3. CommBank
- Asked ChatGPT "Which business account has the lowest fees for a small business?": 1. NAB, 2. Westpac
- Searched Google, AI Overview "business bank account": 1. CommBank, 2. NAB, 3. Westpac, 4. ANZ
- Searched Google, AI Overview "business account": 1. NAB, 2. ANZ, 3. Westpac, 4. Wise

Not named in any answer: Judo Bank and Revolut.

Brands are listed in the order each answer named them. The answers were collected in Australia on October 27, 2026.

## How did search popularity change for Australia business bank accounts in September 2026?

- In September 2026, CommBank gained share of searches among business bank accounts in Australia, from 5.6% to 7.8%.
- In September 2026, Westpac gained share of searches among business bank accounts in Australia, from 4.5% to 5.1%.

## Month by month

| Month | CommBank estimated searches | CommBank Share of Search | CommBank rank | Westpac estimated searches | Westpac Share of Search | Westpac rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 4.4K | 8.8% | 3 | 2.4K | 4.8% | 5 |
| Nov 2025 | 3.6K | 7.4% | 3 | 2.9K | 5.9% | 4 |
| Dec 2025 | 2.9K | 6.7% | 3 | 2.4K | 5.5% | 4 |
| Jan 2026 | 4.4K | 8.6% | 3 | 2.9K | 5.7% | 5 |
| Feb 2026 | 4.4K | 7.4% | 3 | 2.9K | 4.9% | 5 |
| Mar 2026 | 4.4K | 5.3% | 3 | 3.6K | 4.3% | 5 |
| Apr 2026 | 3.6K | 5.8% | 3 | 2.4K | 3.9% | 5 |
| May 2026 | 4.4K | 6.3% | 3 | 2.9K | 4.1% | 5 |
| Jun 2026 | 4.4K | 5.7% | 3 | 2.9K | 3.7% | 5 |
| Jul 2026 | 4.4K | 7.3% | 3 | 2.9K | 4.8% | 5 |
| Aug 2026 | 3.6K | 5.6% | 3 | 2.9K | 4.5% | 6 |
| Sep 2026 | 4.4K | 7.8% | 3 | 2.9K | 5.1% | 6 |

## How each brand is measured

Brandwave collects information about searches that people make online using CommBank’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.

- **CommBank**: Measured on the search term “commbank business account”.
- **Westpac**: Measured on the search term “westpac business account”.

- [CommBank profile](/demand/au/brands/commbank)
- [Westpac profile](/demand/au/brands/westpac)
- [All business bank accounts in Australia](/demand/au/categories/au-business-bank-accounts): The set both shares are measured inside, 8 brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Is CommBank or Westpac more popular in search?

In September 2026, CommBank had more branded searches than Westpac among business bank accounts in Australia. CommBank had about 4,400 branded searches, while Westpac had 2,900. CommBank made up 7.8% of all business bank account searches we track, and Westpac accounted for 5.1%.

## Cite this page

Brandwave. "CommBank vs Westpac: Which is searched more in Australia?". https://gobrandwave.com/demand/au/categories/au-business-bank-accounts/compare/commbank-vs-westpac

This page is also available as HTML at https://gobrandwave.com/demand/au/categories/au-business-bank-accounts/compare/commbank-vs-westpac. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
