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OneBook

AI-powered finance OS for Indian SMEs and Chartered Accountants.

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  • Invoicing
  • Bank Sync
  • AI Bookkeeping
  • GST Filing
  • CA Dashboard
  • Reports

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  • GST Calculator
  • E-Invoice Guide
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Made in India🇮🇳|© 2026 OneBook. All rights reserved.

Everything you need to run your business finances

From invoicing to GST filing, bank sync to AI bookkeeping. All in one platform.

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GST-Compliant Invoicing

Create professional invoices in 30 seconds with auto GST calculation, UPI QR codes, and WhatsApp delivery.

  • Auto CGST/SGST/IGST
  • E-invoicing (IRN)
  • Credit/debit notes
  • Payment tracking
  • PDF generation
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Account Aggregator Bank Sync

Connect any Indian bank. Transactions flow in automatically. Zero manual data entry.

  • 100+ banks supported
  • Real-time sync
  • Multi-account view
  • Auto-reconciliation
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AI-Powered Bookkeeping

AI categorizes 90%+ of transactions. Auto-creates journal entries. Human review for the rest.

  • Smart categorization
  • Auto journal entries
  • Learning from corrections
  • Bulk accept
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GST Compliance

GSTR-1, GSTR-3B, and GSTR-2B reconciliation. Auto-prepared from your data. One-click filing.

  • Auto GSTR-1 from invoices
  • GSTR-3B with tax calculation
  • GSTR-2B reconciliation
  • Filing history
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CA Collaboration

Shared workspace where you and your CA work on the same data. Comments, document requests, real-time sync.

  • Shared real-time data
  • Comments on transactions
  • WhatsApp document requests
  • Role-based access
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Real-time Reports

P&L, Balance Sheet, Receivables Aging, Payables - all computed in real-time from your actual data.

  • Profit and Loss
  • Balance Sheet
  • AR/AP Aging
  • GST summaries
  • Export PDF/Excel
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Connected to India's digital infrastructure

OneBook integrates with the platforms that power Indian business.

Account Aggregator

RBI regulated bank data

GSTN

GST Network for filing

NIC IRP

E-invoicing portal

UPI

Payment collection

Razorpay

Payment links

WhatsApp

Communication

Ready to modernize your finances?

Start free or schedule a demo with our team.

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