American Express vs Capital One:Which is more popular in the United States?
In October 2026, American Express had more branded searches than Capital One among business credit cards in the United States. American Express had about 30,200 branded searches, while Capital One had 12,100. American Express made up 21.1% of all business credit card searches we track, and Capital One accounted for 8.5%. When we asked ChatGPT and Google AI Overviews about business credit cards, American Express and Capital One each appeared in four of the five answers. American Express was mentioned before Capital One in every answer.
Who do people search for more?
American Express, about 2 searches for every 1 for Capital One
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
American Express, named ahead of Capital One in every answer
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Top business credit cards in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, American Express and Capital One were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. American Express was listed before Capital One 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.
- American Express4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Chase4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Capital One4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Brex0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ramp0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bank of America0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
U.S. Bank0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BILL Spend & Expense0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about business credit cards
5 answers
Asked ChatGPT
“What's the best business credit card for a small business?”
Asked ChatGPT
“Which business credit card has the best rewards?”
Asked ChatGPT
“Should I get a corporate card or a business credit card for my startup?”
Searched Google, AI Overview
“best business credit cards”
Searched Google, AI Overview
“business credit card”
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 Capital One more popular in search?
This chart shows how often people search Google for American Express and Capital One by name. Each line represents a brand's share of searches for all eight business credit card brands we track, month by month, from searches in United States.
Share of searches by month for American Express, Capital One. The figures are in the table below the chart.
View monthly share of searches table
| Month | Brex | American Express | Chase | Capital One | Ramp | Bank of America | U.S. Bank | BILL Spend & Expense |
|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 26.7% | 31.6% | 22.6% | 5.3% | 5.3% | 3.6% | 2.4% | 2.5% |
| Dec 2025 | 32.4% | 29.5% | 18.3% | 5.3% | 5.3% | 3.5% | 2.9% | 2.8% |
| Jan 2026 | 55.6% | 17.3% | 14.1% | 3.3% | 4.1% | 2.2% | 1.8% | 1.6% |
| Feb 2026 | 39.6% | 22.4% | 18.3% | 4.3% | 6.5% | 3.5% | 2.9% | 2.5% |
| Mar 2026 | 37% | 25.6% | 17.1% | 4.9% | 6% | 4% | 2.7% | 2.6% |
| Apr 2026 | 37.3% | 22.8% | 17.3% | 5% | 7.5% | 4.1% | 3.3% | 2.7% |
| May 2026 | 35.9% | 21.9% | 20.3% | 4.8% | 7.2% | 3.9% | 3.2% | 2.8% |
| Jun 2026 | 36.9% | 20% | 20.9% | 4.9% | 7.4% | 4% | 2.7% | 3.2% |
| Jul 2026 | 37.7% | 18.8% | 21.3% | 5% | 7.5% | 4.1% | 2.7% | 2.7% |
| Aug 2026 | 36.7% | 20% | 20.8% | 4.9% | 7.3% | 4% | 3.3% | 3% |
| Sep 2026 | 35.2% | 19.1% | 19.9% | 7% | 8.6% | 3.8% | 3.1% | 3.1% |
| Oct 2026 | 34.6% | 21.1% | 16% | 8.5% | 8.5% | 4.6% | 3.8% | 3% |
American Express and Capital One sell other things too, so only their searches that name this product count here, like “amex business gold”.
How has branded search for American Express and Capital One changed in the United States over the last 12 months?
3 findings
- American Express was ahead of Capital One in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, American Express’ share of searches among business credit cards in the United States moved from 31.6% to 21.1%, and its estimated monthly branded searches moved from 47.9K to 30.2K.
- Across the 12 months ending October 2026, Capital One’s share of searches among business credit cards in the United States moved from 5.3% to 8.5%, and its estimated monthly branded searches moved from 8.1K to 12.1K.
How did search popularity change for United States business credit cards in October 2026?
2 changes
In October 2026, American Express overtook Chase to rank 2nd among business credit cards in the United States, with 21.1% of the searches.
In October 2026, Capital One overtook Ramp to rank 4th among business credit cards in the United States, with 8.5% of the searches.
How are American Express’ and Capital One’s branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using American Express’ and Capital One’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
2 branded search terms
- amex business gold
- amex business platinum
Capital One
1 branded search term
- capital one spark
Other head-to-heads among business credit cards
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