--- title: "American Express vs Capital One: Which is more popular in the United States?" description: "Is American Express or Capital One more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Business credit cards set in the United States. 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/us/categories/us-business-credit-cards/compare/american-express-vs-capital-one" publisher: "Brandwave" --- # American Express vs Capital One: Which is more popular in the United States? Is American Express or Capital One more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Business credit cards set in the United States. 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**: American Express and Capital One - **Competitive set**: Business credit cards - **Market**: United States - **Month measured**: Oct 2026 - **American Express Share of Search**: 21.1% - **Capital One Share of Search**: 8.5% ## Is American Express or Capital One more popular in search? - 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%. - 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. ## 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. 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 | | --- | --- | --- | --- | --- | | Chase | 1st | 2 of 3 | 2 of 2 | 4 of 5 | | American Express | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | Capital One | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | Brex | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Ramp | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Bank of America | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | U.S. Bank | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | BILL Spend & Expense | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about business credit cards - Asked ChatGPT "What's the best business credit card for a small business?": 1. Chase, 2. American Express, 3. Capital One - Asked ChatGPT "Which business credit card has the best rewards?": 1. American Express, 2. Chase, 3. Capital One - Asked ChatGPT "Should I get a corporate card or a business credit card for my startup?": named none of the brands we track - Searched Google, AI Overview "best business credit cards": 1. Chase, 2. American Express, 3. Capital One - Searched Google, AI Overview "business credit card": 1. Chase, 2. American Express, 3. Capital One Not named in any answer: Brex, Ramp, Bank of America, U.S. Bank and BILL Spend & Expense. Brands are listed in the order each answer named them. The answers were collected in United States on October 27, 2026. ## How did search popularity change for United States business credit cards in October 2026? - 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 has branded search for American Express and Capital One changed in the United States over the last 12 months? | Month | American Express estimated searches | American Express Share of Search | American Express rank | Capital One estimated searches | Capital One Share of Search | Capital One rank | | --- | --- | --- | --- | --- | --- | --- | | Nov 2025 | 47.9K | 31.6% | 1 | 8.1K | 5.3% | 4 | | Dec 2025 | 45.2K | 29.5% | 2 | 8.1K | 5.3% | 4 | | Jan 2026 | 41.9K | 17.3% | 2 | 8.1K | 3.3% | 5 | | Feb 2026 | 34.3K | 22.4% | 2 | 6.6K | 4.3% | 5 | | Mar 2026 | 41.9K | 25.6% | 2 | 8.1K | 4.9% | 5 | | Apr 2026 | 37K | 22.8% | 2 | 8.1K | 5% | 5 | | May 2026 | 30.2K | 21.9% | 2 | 6.6K | 4.8% | 5 | | Jun 2026 | 26.9K | 20% | 3 | 6.6K | 4.9% | 5 | | Jul 2026 | 24.7K | 18.8% | 3 | 6.6K | 5% | 5 | | Aug 2026 | 26.9K | 20% | 3 | 6.6K | 4.9% | 5 | | Sep 2026 | 26.9K | 19.1% | 3 | 9.9K | 7% | 5 | | Oct 2026 | 30.2K | 21.1% | 2 | 12.1K | 8.5% | 4 | ## How are American Express’ and Capital One’s branded searches counted? 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**: Measured on the search terms “amex business gold” and “amex business platinum”, summed into one figure. - **Capital One**: Measured on the search term “capital one spark”. - [American Express profile](/demand/us/brands/american-express) - [Capital One profile](/demand/us/brands/capital-one) - [All business credit cards in the United States](/demand/us/categories/us-business-credit-cards): 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 American Express or Capital One more popular in search? 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%. ## Cite this page Brandwave. "American Express vs Capital One: Which is more popular in the United States?". https://gobrandwave.com/demand/us/categories/us-business-credit-cards/compare/american-express-vs-capital-one This page is also available as HTML at https://gobrandwave.com/demand/us/categories/us-business-credit-cards/compare/american-express-vs-capital-one. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.