At the small end, QuickBooks Online and Xero dominate the conversation, with Wave and FreshBooks holding their corners. Mid-market gets messier—Sage Intacct, NetSuite, Microsoft Dynamics 365 Business Central—and large enterprises run the full ERP suites where accounting is one module among many. The choice often follows the accountant, not the buyer: small businesses pick whatever their bookkeeper already knows, which keeps switching costs high and explains the durability of the leaders.
Modern accounting software earns its price through bank-feed automation, expense capture from receipts, AP automation, and increasingly AI-assisted categorization that learns from past entries. The hard part is still the boundary work: revenue recognition under ASC 606 or IFRS 15, multi-entity consolidation, multi-currency reporting, and the audit trail when a controller restates last quarter. Buyers under regulatory scrutiny quickly discover the gap between “good enough for tax filing” and “passes a serious audit”.
A useful sanity check before signing: have a finance team member walk through a real month-end close on the demo tenant, including a journal-entry reversal, a multi-currency revaluation, and a reconciliation against a sample bank statement. Vendors that struggle on these steps in a controlled demo will frustrate the team every month in production, regardless of how polished the AI receipt-capture feature looks on the marketing page.