Brandwave

American Express vs Mercury:Which is more popular in the United States?

In October 2026, Mercury had more branded searches than American Express among business bank accounts in the United States. Mercury had about 42,400 branded searches, while American Express had 8,100. Mercury made up 33.5% of all business bank account searches we track, and American Express accounted for 6.4%. When we asked ChatGPT and Google AI Overviews about business bank accounts, American Express appeared in two of the four answers and Mercury in one. American Express and Mercury were each mentioned first in one of the two answers that named either.

Among business bank accounts in the United States in October 2026

Who do people search for more?

Mercury, about 5 searches for every 1 for American Express

Mercury 42.4K searchesAmerican Express 8.1K searches

Who does AI mention more?

American Express, mentioned in 2 of 4 answers, Mercury in 1

American Express in 2 of 4Mercury in 1 of 4

Who does AI recommend more?

Each is named first in 1 of 2 answers.

American Express first in 1Mercury first in 1

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Top business bank accounts in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, American Express was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. Mercury was mentioned in one out of four: not in any of the three ChatGPT answers, but in the Google AI Overview. American Express and Mercury were each listed first in one of the two answers that named either.

Most recommended by AI

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

  1. Bluevine1st
  2. Chase2nd
  3. Relay3rd
  4. American Express4th
  5. Mercury5th
  6. Wells Fargo6th
  7. Found–
  8. Novo–
  9. Lili–
  10. Bank of America–
  11. +1 more

Mentioned by AI

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

  • Bluevine4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Relay3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • American Express2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Chase2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Mercury1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Wells Fargo1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Found0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Novo0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Lili0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Bank of America0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+1 more

See every answer about business bank accounts

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.

Is American Express or Mercury more popular in search?

This chart shows how often people search Google for American Express and Mercury by name. Each line represents a brand's share of searches for all 11 business bank account brands we track, month by month, from searches in United States.

American Express and Mercury among business bank accounts in the United States, by month

Share of searches by month for Mercury, American Express. The figures are in the table below the chart.

View monthly share of searches table
MonthMercuryRelayFoundAmerican ExpressChaseNovoBluevineLiliWells FargoBank of AmericaNorthOne
Nov 202529.7%16.7%14.1%4.7%7.1%7.8%8.6%3.8%3.1%2.1%2.1%
Dec 202528.9%16%13.5%4.5%8.3%9.1%10.1%3.7%2.4%1.6%2%
Jan 202629.9%16.6%11.4%4.7%8.5%8.1%10.4%3.8%3.1%2%1.3%
Feb 202630.4%16.8%11.6%4.7%7.1%10%10.6%3.2%2.6%2.1%0.93%
Mar 202631.1%17.3%11.9%4%7.2%6.9%13.3%3.2%2.6%1.7%0.78%
Apr 202631.6%16.8%9.9%4%6%7%16.5%3.3%2.7%1.5%0.61%
May 202632.2%16.2%10%5%9.2%5.8%13.8%2.7%2.7%1.8%0.55%
Jun 202631.4%18.3%9.8%4%11%5.5%11%2.7%3.3%2.7%0.44%
Jul 202631.7%18.3%10%3.3%11.2%6.5%9.1%2.7%5%1.8%0.44%
Aug 202634.7%18.2%10.9%3.6%8.2%6.1%8.2%3%3%3.6%0.49%
Sep 202632.7%20.8%12.5%4.2%6.3%6.7%7.6%3.4%3.4%1.9%0.56%
Oct 202633.5%21.2%12.8%6.4%6.4%5.6%5.2%3.5%2.8%1.9%0.69%

American Express sells other things too, so only its searches that name this product count here, like “amex business checking”.

How has branded search for American Express and Mercury changed in the United States over the last 12 months?

3 findings

How did search popularity change for United States business bank accounts in October 2026?

2 changes

  1. In October 2026, American Express overtook Bluevine and 2 others to rank 4th among business bank accounts in the United States, with 6.4% of the searches.

  2. In October 2026, Mercury gained share of searches among business bank accounts in the United States, from 32.7% to 33.5%.

How are American Express’ and Mercury’s branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using American Express’ and Mercury’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.

American Express

1 branded search term

  • amex business checking

Mercury

2 branded search terms

  • mercury bank
  • mercury business banking

How the Brand Demand Index is measured

Other head-to-heads among business bank accounts

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