finOS
AI Finance for Startups
The operational intelligence layer for startup finance. Not a QuickBooks replacement, but the AI brain that sits on top. Runway tracking, MRR analytics, AI-categorized expenses, automated investor updates, and natural language financial queries powered by multi-model AI.
See it in action
Demo coming soon
Core modules
Financial Data Hub
Plaid + Stripe + manual upload unified into one transaction ledger. AI re-categorization corrects misclassifications with Claude.
Expense Intelligence
Auto-categorization pipeline, anomaly detection with z-score analysis, subscription tracking, and receipt/invoice OCR via Veryfi.
Cash Flow & Runway
Real-time runway calculation, AI scenario modeling, Prophet-powered forecasting, and configurable danger zone alerts.
Revenue Analytics
Correct MRR/ARR calculation, cohort analysis, LTV:CAC tracking, revenue recognition, and AI-generated trend insights.
Investor Relations
Auto-generated investor updates from real data, investor CRM pipeline, data room automation, and board deck generation.
Accounts Payable/Receivable
Invoice ingestion with OCR, Slack-integrated approval workflows, bill pay scheduling, and two-way QuickBooks/Xero sync.
Tax & Compliance
Automated deadline tracking, 1099 identification, sales tax nexus monitoring, R&D credit estimation, and RAG on tax code.
AI Financial Chat
Natural language to SQL queries, context-aware answers, weekly Slack/email digests, and rendered charts from query results.
Built With
Tech stack
Production-grade infrastructure designed for reliability, speed, and scale.
FastAPI
BackendHigh-performance async Python API framework
React + Vite
FrontendReact with Vite for instant HMR and fast builds
PostgreSQL
DatabaseAdvanced relational database with JSON and full-text search
Redis
CacheIn-memory data store for caching and real-time messaging
Celery
QueueDistributed task queue for async job processing
Connects With
Integrations
Seamless connections to the tools teams already rely on.
Plaid
BankingConnect bank accounts for real-time transaction data, balances, and identity verification.
Stripe
PaymentsPull revenue, subscription metrics, and payment data for MRR/ARR calculations.
QuickBooks
AccountingTwo-way sync for accounting data, reconciliation, and tax-grade reporting.
Slack
CommunicationInvoice approvals, anomaly alerts, weekly AI digests, and integration status updates.
Veryfi
OCRExtract data from receipts and invoices with 99.8% accuracy in under 2 seconds.
Google Docs
DocumentsGenerate and share investor updates, financial reports, and board decks.
Ready to supercharge finance for startups?
Talk to us about setting up a custom finOS tailored to your workflows.