The operating system
for modern finance.
One ledger. Every entity. All the compliance. ThynkBooks unifies bookkeeping, GST, banking, and AI automation on a single platform — so your finance team ships the close, not the spreadsheet.
Free forever for solo. No credit card. Takes 60 seconds.
Cash Position
₹6,06,000.00+12%
Receivables
₹12,29,700.00+8%
Payables
₹4,42,330.00-3%
Net Position
₹13,93,370.00+18%
Revenue
₹12,65,000.00+24%
Expenses
₹4,55,500.00+5%
Trusted by 10,000+ businesses across 6 countries
Features
Built for finance teams
that demand precision.
Double-Entry Ledger
Append-only journals with full audit trail. Debits always equal credits.
GST & Tax Ready
GSTIN validation, e-invoicing, TDS auto-calculation, GSTR returns.
Multi-Entity
Subsidiaries, branches, divisions. Intercompany with consolidation.
ORIS AI Engine
Invoice extraction, GL suggestions, anomaly detection, NLP queries.
Smart Banking
Bank feed reconciliation with AI matching. UPI, NEFT, cheque tracking.
Enterprise Grade
SSO, MFA, RBAC, approval workflows, period locking, audit log.
Why ThynkBooks
Not just another accounting tool
We rebuilt financial software from first principles - starting with the ledger, not the UI. The result is a platform where compliance, intelligence, and speed are inseparable.
Built for compliance-first markets
Most accounting software treats tax compliance as an afterthought - a bolt-on module added years after launch. ThynkBooks was architected from day one around the complex compliance requirements of India, UAE, Singapore, and other regulatory-heavy markets. Every transaction automatically flows through GST validation, TDS calculation, and e-invoicing rules, so your books are always audit-ready without manual intervention.
AI that understands accounting
The ORIS AI Engine is not a generic chatbot layered on top of your data. It is a purpose-built financial intelligence system trained to understand double-entry accounting, chart of accounts structures, and tax classification rules. It reads invoices, suggests general ledger accounts, detects anomalies in your transaction patterns, and answers natural language questions about your financial position - all while respecting the sacred principle that every debit must have an equal credit.
One ledger, every module
Traditional ERP systems stitch together separate databases for payables, receivables, inventory, and banking - then force you to reconcile between them. ThynkBooks uses a single append-only ledger as the foundation for all nine modules. When you record a sale, the receivable, revenue, tax liability, and inventory movement all post to the same ledger in real time. No import jobs, no batch syncs, no reconciliation nightmares.
Enterprise grade, startup speed
ThynkBooks delivers enterprise features like multi-entity consolidation, role-based access control, approval workflows, and period locking - without the six-month implementation timeline or seven-figure consulting fees. A new company can be fully operational in under fifteen minutes. The interface draws inspiration from the best modern productivity tools, so your finance team spends less time fighting software and more time delivering strategic insights.
Platform
9 modules. One source of truth.
Every module writes to the same ledger. No imports. No reconciliation headaches.
General Ledger
Chart of Accounts, Journals, Trial Balance
Accounts Payable
Vendors, Bills, TDS, Approval Workflows
Accounts Receivable
Customers, Invoices, e-Invoice, Aging
Banking
Feeds, Reconciliation, Cheque Management
Reports
P&L, Balance Sheet, Cash Flow, Custom
Tax & Compliance
GST, TDS, UAE VAT, Return Filing
Period Close
Checklists, Locking, Sign-off Workflows
Point of Sale
Terminals, Shifts, Multi-Payment, GST
AI Intelligence
NLP Queries, Anomaly Alerts, Auto-Coding
ORIS Ecosystem
ThynkBooks is the core.
The ecosystem does the rest.
Every ORIS product reads from and writes to the same ledger. One source of truth, many specialised tools.
Desktop App
ThynkBooks on your
desktop, natively.
A full-featured native app for macOS and Windows. Built with Tauri for desktop-class performance, encrypted local storage, and offline capabilities you cannot get in a browser.
Works offline
Full read access and local draft creation even without internet. Auto-syncs when reconnected.
Drag-and-drop capture
Drop invoices, receipts, and bank statements directly from your desktop. ORIS AI extracts instantly.
Native notifications
Approval requests, overdue invoices, and anomaly alerts surface as system notifications.
All 9 modules, native speed
The same full-featured platform as the web app, rendered at native frame rates with no browser overhead.
Free with any ThynkBooks plan. Auto-updates silently in the background.
Document Inbox
3 items pending extraction
Purchase_Invoice_Apr.pdf
Infosys BPM Ltd
₹1,24,500
Extracted
Bank_Statement_HDFC.xlsx
HDFC Bank
42 txns
Matching
Expense_Report_Q1.pdf
Internal
₹38,200
Pending
Drop files here to extract
Offline sync active
Pricing
Start free. Scale infinitely.
No setup fees. No implementation lock-in. Cancel anytime.