For 2026, business banking stacks combine 5 layers: accounts, cards, payments,...

https://city-wiki.win/index.php/How_Do_I_Estimate_Total_Cost_of_Ownership_for_a_Finance_Stack%3F

For 2026, business banking stacks combine 5 layers: accounts, cards, payments, accounting, and expense management. Novo offers up to 20 sub-accounts with $0-fee ACH transfers, while Brex integrates cards and expense tracking seamlessly