Rivet Tax Inc. provides corporate and personal tax preparation, tax planning and advisory, bookkeeping, CFO services, R&D tax-credit support, multistate compliance, equity and liquidity-event planning, and audit defense. Its clients include high-growth companies from seed stage through Series C and beyond, along with their founders, finance teams, executives, and investors. Rivet operates an in-house platform for document collection, workflow and entity tracking, and develops supervised AI capabilities for tax workflows.