Own accounting for usage-based, multi-party marketplace transactions, including ASC 606 analysis, gross-versus-net principal-agent conclusions, customer credits, refunds, chargebacks, deferred revenue, host/provider payouts, payment processor reconciliations, and unit-economics reporting. Run the monthly close and core finance operations, including accounts receivable and collections, accounts payable and vendor management, payroll, reconciliations, approval workflows, and close documentation.