Launched January 13, 2026
Lucius Inc

Lucius Inc

Finance, done automatically

Subscription793 impressions#214 of its week

Lucius automates bookkeeping, tax filings, and financial operations so founders always know their numbers—without manual work or cleanups.

Lucius is a stateful financial system of record that automates bookkeeping, tax filings, and financial operations for revenue businesses.

for
Founders and finance teams of growing SaaS, fintech, marketplace, and AI infrastructure companies
pricing
contact sales
works withMercuryBrexStripeXeroDeelRipplingQuickBooks

Key features

6 features of Lucius Inc
  • Contract-to-Cash Engine — Turns contract terms into billing, receivables, collections, and reporting workflows in one system.
  • Stateful Ledger — Maintains a double-entry, append-only ledger that updates continuously as activity happens.
  • Reconciliation Engine — Matches bank activity, invoices, and settlements against the same financial state for easy close.
  • Settlement & Cash Application — Tracks money flow from invoice to payment to bank settlement with full context.
  • Automated Reporting — Generates balance sheet, P&L, cash flow, and supporting schedules from maintained state.
  • Compliance-Ready Records — Keeps structured financial records tied to the events that created them for auditability.

Use cases

  • Automate end-to-end contract billing and revenue recognition for a SaaS subscription product
  • Reconcile bank transactions, invoices, and settlements in real time to eliminate month-end manual fixes
  • Generate up-to-date financial statements for investors without spreadsheet mash-ups

Lucius Inc FAQ

What is Lucius?+

Lucius is a financial system of record that maintains a single, stateful, double-entry ledger across contracts, invoices, payments, settlements, and reporting.

What is a stateful ledger?+

A stateful ledger is a continuously updated double-entry ledger where each posting is append-only and linked to its originating event, providing a permanent audit trail.

How does Lucius differ from QuickBooks for growing companies?+

QuickBooks suits simple bookkeeping, while Lucius handles complex contracts, recurring billing, processor settlement, and revenue recognition with a unified, real-time financial state.

How does reconciliation work in Lucius?+

Bank activity, invoices, and settlements are matched against the same maintained state, turning the close process into a review rather than repair.

What integrations does Lucius support?+

Lucius connects with Mercury, Brex, Stripe, Xero, Deel, Rippling, and QuickBooks.

Summarized by DevHunt from lucius.finance · Oct 4, 2026. Details may change; check the official site.