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The US payment processing market handles $9T+ in annual card transaction volume. The 2023 launch of FedNow real-time payments and the rise of embedded finance are reshaping competitive dynamics, challenging the decades-long duopoly of Visa and Mastercard as new fintech entrants capture merchant and consumer mindshare.
Curated by the Top10Grid editorial team. Rankings driven by community votes and updated daily.
Top 10 US Payment Processors by Transaction Volume
$33B in revenue, processing 229B transactions per year across 200+ countries with 4.3B cards outstanding. Operates VisaNet, one of the world's most resilient financial networks, handling over 65,000 transaction messages per second at peak.
$25B in revenue, processing 130B transactions per year with 3.3B cards in circulation. The Priceless advertising campaign has run for 25+ consecutive years โ one of the longest-running and most recognised campaigns in marketing history.
$60B in revenue with 141M+ cards in force. Operates a closed-loop network as both network and issuer. Commands the highest spend-per-card of any major payment network at $24,000 per year, reflecting its affluent cardholder base.
$31B in revenue with 430M active accounts. Owns Venmo (90M+ users) and has integrated Honey, Pay Later BNPL, and its Fastlane checkout. Remains the default online payment method for millions of small merchants globally.
An estimated $15B in revenue, processing $1T+ in total payment volume annually. Powers payments for 1M+ businesses including Shopify and Amazon. Remained private as of 2026, carrying a $65B+ valuation from its most recent funding round.
$21B in revenue under the Block Inc umbrella. Cash App has 57M+ monthly active users. CEO Jack Dorsey holds a $500M Bitcoin treasury. Square's Afterpay BNPL acquisition and Cash App's banking features make it a true fintech conglomerate.
$19B in revenue, powering core banking systems for 1,000+ banks and credit unions. Its Clover POS platform serves 1M+ merchant locations. The $22B acquisition of First Data in 2019 made it the largest payments technology company in the US.
$2.2B in revenue. European-founded but dominant in the US enterprise market. Became Shopify's exclusive payments infrastructure partner in 2022 โ a landmark deal cementing its position as the preferred platform for global omnichannel commerce.
$9B in revenue, processing 300B transactions per year across 1M+ merchant locations in 140+ countries. Originally separated from FIS in 2023 and sold to GTCR in a $18.5B deal, one of the largest fintech transactions in history.
$9.2B in revenue, processing 200B+ transactions per year. Its $21.5B acquisition of TSYS in 2019 created a true end-to-end payments giant. Serves merchants and financial institutions across 100+ countries with integrated software solutions.
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$33B in revenue, processing 229B transactions per year across 200+ countries with 4.3B cards outstanding. Operates VisaNet, one of the world's most resilient financial networks, handling over 65,000 transaction messages per second at peak.
$25B in revenue, processing 130B transactions per year with 3.3B cards in circulation. The Priceless advertising campaign has run for 25+ consecutive years โ one of the longest-running and most recognised campaigns in marketing history.
$60B in revenue with 141M+ cards in force. Operates a closed-loop network as both network and issuer. Commands the highest spend-per-card of any major payment network at $24,000 per year, reflecting its affluent cardholder base.
$31B in revenue with 430M active accounts. Owns Venmo (90M+ users) and has integrated Honey, Pay Later BNPL, and its Fastlane checkout. Remains the default online payment method for millions of small merchants globally.
An estimated $15B in revenue, processing $1T+ in total payment volume annually. Powers payments for 1M+ businesses including Shopify and Amazon. Remained private as of 2026, carrying a $65B+ valuation from its most recent funding round.
$21B in revenue under the Block Inc umbrella. Cash App has 57M+ monthly active users. CEO Jack Dorsey holds a $500M Bitcoin treasury. Square's Afterpay BNPL acquisition and Cash App's banking features make it a true fintech conglomerate.
$19B in revenue, powering core banking systems for 1,000+ banks and credit unions. Its Clover POS platform serves 1M+ merchant locations. The $22B acquisition of First Data in 2019 made it the largest payments technology company in the US.
$2.2B in revenue. European-founded but dominant in the US enterprise market. Became Shopify's exclusive payments infrastructure partner in 2022 โ a landmark deal cementing its position as the preferred platform for global omnichannel commerce.
$9B in revenue, processing 300B transactions per year across 1M+ merchant locations in 140+ countries. Originally separated from FIS in 2023 and sold to GTCR in a $18.5B deal, one of the largest fintech transactions in history.
$9.2B in revenue, processing 200B+ transactions per year. Its $21.5B acquisition of TSYS in 2019 created a true end-to-end payments giant. Serves merchants and financial institutions across 100+ countries with integrated software solutions.
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