Intelligence Layer Drives BaaS Value

The strategic point is that the deposit account is the raw material, not the product. A BaaS provider can open the account, issue the card, move the money, and support lending infrastructure, but Brex creates differentiation in the software layer that watches every transaction, matches it to invoices and accounting records, and turns payment activity into expense controls, reconciliation, and credit decisions.

• In the BaaS stack, the underlying account is intentionally generic. Providers sell APIs for accounts, cards, ACH, wires, KYC, and sometimes lending. What customers notice is the layer above that plumbing, the dashboard, rules engine, accounting sync, and workflow automation wrapped around the account.
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• This is why fintech economics can expand beyond interchange. Brex moved from card issuance into software and SaaS monetization, while Mercury built a startup banking product around deposits, treasury tools, and venture workflows. In both cases, the account brings in the customer, but software raises retention and revenue per customer.
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• The market has also shifted toward cleaner infrastructure under the hood. Brex and Mercury have migrated toward bank partners like Column, where the bank charter, ledger, payments, and compliance stack sit together. That makes the account layer more reliable and standardized, which increases the importance of differentiation in the application layer.
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Going forward, the winners in B2B fintech are likely to look less like thin card programs and more like software companies attached to a bank account. As infrastructure becomes more standardized and vertically integrated, more value will concentrate in the intelligence layer, where transaction data turns into automation, underwriting, and workflow lock in.