# Customers and expenses

> Keep customers with their GSTIN and log your expenses.

Canonical page: https://aozo.in/docs/accounting/customers-and-expenses
Last updated: 2026-11-12
Product: AOZO Accounting
Section: Guides

## Customers

Customers carry their GSTIN, contacts and outstanding balance, and connect to CRM deals and customers. Add them once and pick them on every quotation and invoice.

## Expenses

1. **Open Expenses** Choose Expenses in Accounting.
2. **Add an expense** Enter the amount, the category and the payment mode.
3. **Review** Use the list to see what you spent and how you paid.