Brandwave

TSB vs Westpac:Which is more popular?

In September 2026, Westpac had more branded searches than TSB among credit card providers in New Zealand. Westpac had about 2,900 branded searches, while TSB had 390. Westpac made up 2.5% of all credit card provider searches we track, and TSB accounted for 0.34%. When we asked ChatGPT and Google AI Overviews about credit card providers, TSB and Westpac each appeared in four of the five answers. TSB was mentioned before Westpac in four out of five answers.

Among credit card providers in New Zealand in September 2026

Who do people search for more?

Westpac, about 7 searches for every 1 for TSB

Westpac 2.9K searchesTSB 390 searches

Who does AI mention more?

Both were mentioned in 4 of 5 answers.

TSB in 4 of 5Westpac in 4 of 5

Who does AI recommend more?

TSB, named ahead of Westpac in 4 of 5 answers

TSB first in 4Westpac first in 1

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Top credit card providers in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, TSB and Westpac were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. TSB was listed before Westpac in four out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. American Express1st
  2. TSB2nd
  3. ASB3rd
  4. ANZ4th
  5. Westpac5th
  6. BNZ6th
  7. Kiwibank7th
  8. Gem by Latitude–
  9. Q Mastercard–
  10. Farmers Mastercard–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • American Express5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • ANZ5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • ASB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Westpac4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • TSB4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • BNZ2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Kiwibank2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Gem by Latitude0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Q Mastercard0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Farmers Mastercard0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about credit card providers

5 answers

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.

Is TSB or Westpac more popular in search?

This chart shows how often people search Google for TSB and Westpac by name. Each line represents a brand's share of searches for all ten credit card providers we track, month by month, from searches in New Zealand.

TSB and Westpac among credit card providers in New Zealand, by month

Share of searches by month for Westpac, TSB. The figures are in the table below the chart.

View monthly share of searches table
MonthGem by LatitudeAmerican ExpressQ MastercardANZASBFarmers MastercardWestpacBNZKiwibankTSB
Oct 202541%22.9%20.7%3.7%3%2.7%2.4%2%1.3%0.4%
Nov 202541.4%22.2%22.2%2.9%2.4%3.3%2%2%1.3%0.39%
Dec 202546.5%20.6%20.2%2.6%2.2%3.2%1.7%1.7%0.91%0.29%
Jan 202642.1%23.1%20.4%3.6%2.4%3%2%2%1.1%0.48%
Feb 202641.7%22.5%21.9%3.6%2.4%2.9%1.9%1.9%0.99%0.39%
Mar 202643.2%23.6%19.2%3.1%2.5%2.8%2.1%2.1%1.1%0.34%
Apr 202642.5%21.5%21.2%3.4%2.8%3.1%1.8%2.3%0.96%0.37%
May 202642.8%22.1%20.1%3.3%2.6%3.2%2.2%2.2%1.2%0.44%
Jun 202642.4%21.8%21.7%3.1%2.5%3.2%2.1%1.7%1.1%0.34%
Jul 202640.5%26.8%18.8%3.3%2.2%3%2.2%1.8%0.93%0.36%
Aug 202641.7%26%18.4%3.3%2.6%2.9%2.2%1.7%0.9%0.35%
Sep 202642.3%22.9%19.7%3.8%2.5%2.5%2.5%2.1%1.4%0.34%

How has the TSB and Westpac comparison changed over the last 12 months?

3 findings
  • Westpac was ahead of TSB in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, TSB’s share of searches among credit card providers in New Zealand moved from 0.4% to 0.34%, and its estimated monthly branded searches moved from 480 to 390.
  • Across the 12 months ending September 2026, Westpac’s share of searches among credit card providers in New Zealand moved from 2.4% to 2.5%, and its estimated monthly branded searches held steady at 2.9K.

How did search popularity change for New Zealand credit card providers in September 2026?

1 change
  1. Estimated monthly branded searches for TSB in New Zealand fell 18.8% over 12 measured months, from 480 to 390 in September 2026.

How are branded searches counted?

2 search terms

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

TSB

1 branded search term

  • tsb credit card

Westpac

1 branded search term

  • westpac credit card

How the Brand Demand Index is measured

Other head-to-heads among credit card providers

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