Block is centralizing its financial product stack by migrating the Square Credit Card to Marqeta’s issuing platform, backed by the American Express® Network. This strategic move allows Square to consolidate its debit, prepaid, and credit programs under a single end-to-end processor, aiming to reduce operational complexity and accelerate the deployment of new credit features for its seller base. By leveraging Marqeta’s infrastructure, Block intends to streamline how it manages diverse card products, moving away from fragmented systems toward a unified architecture. This consolidation follows a long-standing partnership between the two companies that began in 2019 with the launch of the Square debit card. The integration of the American Express® Network into Marqeta’s capabilities marks a significant expansion of the platform's network breadth and scale for enterprise clients.
Square Migrates Credit Programs to Marqeta
The transition enables Square to manage its business credit card, which provides sellers with a credit line tied to business volume, through the same infrastructure used for its existing debit and prepaid programs. Square is positioning this consolidation as a method to increase speed-to-market for new credit features. According to Andrea Raj, Head of Product for Square Banking at Block, the ability to migrate existing cardholders and credentials without disrupting the user experience was a critical requirement for the move. Marqeta’s portfolio migration capabilities are intended to facilitate this transition by moving accounts onto the platform seamlessly.
By utilizing Marqeta’s commercial credit platform, Square gains access to a single integration that encompasses card issuance, transaction processing, underwriting, rewards management, risk controls, and disputes. This end-to-end capability is designed to provide granular spend controls and flexible account hierarchies. Furthermore, the platform utilizes real-time decisioning powered by more than 300 data attributes. This technical consolidation aims to replace the need for multiple vendors, allowing Square to build and iterate on differentiated credit products specifically tailored to the evolving needs of small and medium-sized businesses (SMBs).
Addressing SMB Demand for Credit Evolution
The move comes as Square seeks to capture shifting demand within the small and medium-sized business sector. Marqeta’s 2026 State of Credit report indicates that 96% of surveyed SMBs are intentional regarding their choice of payment methods for specific transactions, highlighting a persistent need for both credit and debit offerings. The research also suggests a significant trend in product lifecycle management, noting that 34% of SMBs have moved between different credit products as their business operations evolved.
Furthermore, the report found that 64% of SMBs expressed a desire for a clear progression path from entry-level to more advanced financial products. This data points to a market requirement for financial tools that can scale alongside a growing business. By consolidating its programs, Square is attempting to bridge this gap, offering a more cohesive financial ecosystem. The inclusion of the American Express® Network via Marqeta provides the necessary scale to support these credit offerings, which are issued by Celtic Bank under license from American Express.
Key Takeaways
- Square is consolidating its debit, prepaid, and credit programs onto Marqeta’s single end-to-end card issuing platform.
- The Square Credit Card, which provides a credit line based on business volume, will now be backed by the American Express® Network through Marqeta.
- Marqeta’s platform supports real-time decisioning using more than 300 data attributes to assist in building differentiated credit programs.
FinanceInsyte's Take
In our view, Block’s decision to consolidate its card portfolio onto Marqeta is a calculated move to optimize its financial infrastructure and reduce the "vendor sprawl" that often plagues fintech scaling. By moving the Square Credit Card onto the same platform as its debit and prepaid programs, Block is prioritizing operational agility over the potential cost savings of maintaining fragmented, specialized providers. This consolidation suggests that for large-scale fintechs, the ability to iterate on product features—rather than just maintaining uptime—is becoming the primary competitive driver. The integration of the American Express® Network via Marqeta also signals that Marqeta is successfully positioning itself as a heavyweight in the enterprise space, capable of handling complex, multi-network requirements. For institutional observers, this highlights a broader trend: the winners in the embedded finance race will be those who can offer a seamless, unified product lifecycle from entry-level debit to advanced commercial credit.
Questions & Answers
How does the migration to Marqeta affect existing Square Card users?
Square is utilizing Marqeta’s portfolio migration capabilities to move existing accounts and card credentials to the new platform without disrupting the cardholder experience.
What specific technical capabilities does Marqeta provide for Square's credit products?
Marqeta provides an end-to-end integration that includes card issuance, transaction processing, underwriting, rewards management, risk controls, and disputes, supported by real-time decisioning using over 300 data attributes.
Which entities are responsible for issuing the Square Credit Card?
The Square Credit Cards are issued by Celtic Bank, pursuant to a license from American Express.
What market data supports Square's focus on both credit and debit offerings?
Marqeta’s 2026 State of Credit report found that 96% of SMBs are intentional about their payment methods and 64% want a clear path from entry-level to advanced financial products.
Source: Marqeta
