Write Access Powers Vertical ERPs
Matt Brown, Co-Founder of Bonsai, on the rise of vertical ERPs
Write access to cash turns a vertical SaaS tool from a system of record into a system of action. Once the software can not just show invoices, balances, and payroll obligations, but actually move money, split payouts, issue cards, hold funds, or advance cash, it becomes much harder to replace and much easier to monetize. That leap works best in verticals where money movement is messy, frequent, and tightly tied to daily operations.
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The best candidates are verticals with complicated funds flow. Restaurants have tips and staff payout rules. Tour operators collect deposits months early, then pay hotels, drivers, and local vendors across borders and payment methods. In these markets, controlling the cash layer solves a real workflow problem, not just an add on fintech feature.
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The monetization stack gets much bigger once the platform controls cash. Beyond seat based software, a vertical ERP can earn on payments, card interchange, lending, float, and faster payouts. Square and Shopify use payments as the entry point, then sell payroll, software, and credit on top.
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Recent examples show the pattern. HoneyBook added checking, debit, and money tools on top of client management for solopreneurs. EquipmentShare combines construction software with rentals, financing, and equipment transactions. Kapital bundles banking, cards, bill pay, payroll, and FP&A into one SMB back office.
The next wave of winners will come from vertical SaaS companies that already sit next to a painful money moment, then expand from tracking work into routing and financing it. As embedded payments, banking, and payroll infrastructure keep getting easier to plug in, more category leaders will evolve into vertical ERPs and capture a much larger share of customer spend.