Brandwave

Santander vs TSB:Which is more popular?

In September 2026, Santander had more branded searches than TSB among banks in the United Kingdom. Santander had about 2.1 million branded searches, while TSB had 90,500. Santander made up 20.9% of all bank searches we track, and TSB accounted for 0.91%. When we asked ChatGPT and Google AI Overviews about banks, Santander appeared in one of the five answers and TSB in none.

Among banks in the United Kingdom in September 2026

Who do people search for more?

Santander, about 23 searches for every 1 for TSB

Santander 2.1M searchesTSB 90.5K searches

Who does AI mention more?

Santander, mentioned in 1 of 5 answers, TSB in 0

Santander in 1 of 5TSB in 0 of 5

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Top banks in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Santander was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. TSB did not appear in any of the five answers.

Most recommended by AI

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

  1. Barclays1st
  2. First Direct2nd
  3. Starling Bank3rd
  4. Monzo4th
  5. HSBC5th
  6. Chase UK6th
  7. Nationwide7th
  8. Lloyds Bank8th
  9. Santander9th
  10. +2 more
  11. TSB–

Mentioned by AI

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

  • Barclays4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • HSBC4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • First Direct4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Monzo3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Starling Bank3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Nationwide2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Chase UK2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Lloyds Bank1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Santander1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • TSB0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about banks

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 22, 2026.

Is Santander or TSB more popular in search?

This chart shows how often people search Google for Santander and TSB by name. Each line represents a brand's share of searches for all 12 banks we track, month by month, from searches in United Kingdom.

Santander and TSB among banks in the United Kingdom, by month

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

View monthly share of searches table
MonthLloyds BankSantanderBarclaysNatWestHSBCNationwideHalifaxMonzoFirst DirectTSBStarling BankChase UK
Oct 202533.1%18.4%12.8%13.3%9.5%4%3.9%1.8%1.6%0.97%0.65%0.18%
Nov 202533.6%19.6%13.7%11.5%8.5%4.2%3.6%1.9%1.7%0.85%0.7%0.15%
Dec 202530.5%21.2%12.7%12.2%8.8%5.5%3.8%1.6%1.8%1.1%0.6%0.15%
Jan 202631.4%23%12.8%10.8%7.8%4.8%3.4%2.2%1.9%0.97%0.8%0.22%
Feb 202631.1%22.7%12.7%10.7%7.7%5.9%3.3%2.1%1.9%0.96%0.79%0.22%
Mar 202631%21.1%13.9%11.7%8.5%4.3%3.9%1.9%1.7%1.1%0.71%0.19%
Apr 202630.6%21.5%12%11.5%8.2%6.4%3.9%1.9%1.7%1.3%0.85%0.18%
May 202630.7%22%11.9%10%7.2%8.2%3.8%2%1.8%1.4%0.74%0.19%
Jun 202631.3%21.8%13%12.5%7.4%4.6%3.6%2.1%1.8%0.93%0.76%0.16%
Jul 202632%22.3%13.3%10.4%7.5%4.7%4%2.1%1.9%0.95%0.77%0.2%
Aug 202632.4%21.9%13.5%10.6%7.5%4.8%3.1%2.6%1.6%1.2%0.78%0.16%
Sep 202635.9%20.9%12.8%10.1%7.3%4.5%2.6%2.5%1.5%0.91%0.75%0.14%

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

3 findings
  • Santander was ahead of TSB in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Santander’s share of searches among banks in the United Kingdom moved from 18.4% to 20.9%, and its estimated monthly branded searches held steady at 2.1M.
  • Across the 12 months ending September 2026, TSB’s share of searches among banks in the United Kingdom moved from 0.97% to 0.91%, and its estimated monthly branded searches moved from 110K to 90.5K.

How did search popularity change for United Kingdom banks in September 2026?

2 changes

  1. In September 2026, Santander lost share of searches among banks in the United Kingdom, from 21.9% to 20.9%.

  2. Estimated monthly branded searches for TSB in the United Kingdom fell 17.7% over 12 measured months, from 110K to 90.5K in September 2026.

How are branded searches counted?

3 search terms

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

Santander

2 branded search terms

  • santander
  • santander uk

TSB

1 branded search term

  • tsb bank

How the Brand Demand Index is measured

Other head-to-heads among banks

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