Free business accounting software for Windows.
Sales, purchases, parties, POS, expenses, approvals and backups. Fast, offline-first accounting built for real shops and traders.
Double-entry accounting
Audit trail & approvals
Automatic backups
WhatsApp reminders
Free business accounting software for Windows
BAS Accounting Software helps small businesses keep sales, purchase invoices, customer and supplier balances, and expenses together on a Windows 10 or Windows 11 PC. Daily bookkeeping works offline; internet is needed for activation, updates and online services.
What is included in BAS Offline Free?
BAS Offline Free is free forever for one company on one Windows PC. It includes invoices, purchases, customers and suppliers, inventory, expenses, cash and bank accounts, reports, and local backup. The first 100 eligible BAS Offline Free customers also receive selected cloud backup and mobile owner services free for one year.
Find the tools for your business
- Billing and invoicing — keep sales, purchase bills and payments in one place.
- Khata and customer ledgers — see customer credit and supplier balances.
- Inventory management — explore stock tracking and available plan features.
- POS software — explore counter billing, thermal receipts and paid plan options.
See the product screenshots and the full feature list to check how the software fits your shop or small business.
Know what happened, and what to do next.
Clear answers to the questions every business owner asks, every day.
What happened today?
The live dashboard and day book show every sale, purchase, payment and expense.
How much money do I have?
Cash in hand and every bank account, always balanced to the last rupee.
Who owes me?
Party ledgers, udhar outstanding, promise-to-pay dates and installment plans.
Whom do I need to pay?
Supplier balances, payable ageing and payment reminders before they are due.
Is my stock running low?
Live stock levels, low-stock alerts and a stock summary by item and category.
What should I not forget?
Reminders, approvals and WhatsApp payment reminders keep nothing slipping.
Your whole shop on one screen.
All the tools a growing shop needs.
Sales & purchases
Invoices, bills, returns, orders and quotations on a double-entry ledger.
Inventory
Stock ledger, moving-average costing, price history and SKU barcodes.
POS billing
Fast counter billing with search or scan, discounts and thermal receipts.
Payments & udhar
Payment in and out, credit recovery, installments and reminders.
17+ reports
Profit & loss, balance sheet, trial balance, ageing, cash flow and stock.
Backup & security
Audit trail, approvals, multi-user login and automatic backups.
Made for retail shops and wholesalers & distributors.
Up and running in minutes.
- 1
Download free
Get the Windows installer.
- 2
Set up
Add your business and parties.
- 3
Start billing
Add items, make your first bill.
- 4
Track
See sales, stock and profit.
Built for shopkeepers, traders and distributors.
See how BAS connects billing, inventory, customer credit and business reports.
Retail and wholesale
Create invoices, update stock, track customer balances and review daily sales from one Windows application.
Billing, stock and creditCounter sales
Use fast POS billing, SKU-based item entry and thermal receipts while daily desktop work continues without constant internet.
POS and receiptsOwner control
Review profit and loss, party balances, stock reports, user activity and verified backups before making business decisions.
Reports and safeguardsLocal-first records
The current desktop edition stores its accounting records on your PC.
Thermal receipt support
Configure supported 58 mm or 80 mm printers through Windows and BAS settings.
CSV data import
Import prepared parties, items and opening balances from supported CSV files.
Start free. Grow when you're ready.
Windows desktop
BAS Offline Free
Local accounting for one company on one Windows PC.
The first 100 eligible BAS Offline Free customers receive selected Premium cloud and mobile owner services for one year. After the promotional year, BAS Offline Free stays free with its standard local features; continuing cloud services requires an eligible paid plan.
Promotion includes:
- Encrypted cloud backup
- Mobile Owner’s Desk
- Mobile approval requests
- Read-only mobile reports
100 of 100 promotional places currently available
Regular price: Free forever
- 1 company · 1 Windows PC
- Sales invoices & purchase bills
- Customers, suppliers & inventory
- Expenses, income, cash & bank
- Receipts, payments & ledgers
- Profit & loss and stock reports
- Local users & PIN login
- Offline operation
- Local backup & restore
Pre-release
BAS Premium
Desktop accounting with cloud backup and mobile owner control.
PKR 9,999 per year
- Complete Windows accounting
- Multiple companies
- Encrypted cloud backup · latest 2 copies
- Recovery after computer failure
- Mobile Owner’s Desk
- Mobile approval requests
- Read-only mobile reports
- Staff activity & authorized users
- Account and device management
- Offline desktop operation
Pre-release
BAS Network
Connected accounting for several PCs in one office.
PKR 14,999 per year
- Everything in BAS Premium
- Multiple PCs in one office
- Shared business records
- Cashier, accountant & owner access
- Local user permissions
- Mobile Owner’s Desk & approvals
- Cloud backup
- Offline office operation
Pre-release · Android & iOS
BAS Mobile
Standalone accounting from your phone.
PKR 4,999 per year
- Create a business from your phone
- Sales, purchases & payments
- Expenses, customers & suppliers
- Items & mobile reports
- Cloud business data
- Offline entry queue where supported
- Sync when internet returns
Planned · web based
BAS Cloud Accounting Edition
Browser-based accounting with live shared business data.
- Cloud-based accounting
- Secure web browser access
- Live shared business records
- Sales, purchases, stock & payments
- Multiple authorized users
- Role-based permissions
- Live reports and synchronization
- Managed backup and recovery
Pre-release · custom quotation
BAS Corporate
Cloud accounting for multiple branches and growing teams.
- Cloud-first accounting & web access
- Corporate mobile application
- Multiple companies, branches & users
- Live synchronization
- Mobile invoices, payments & stock updates
- Role-based permissions & approvals
- Advanced audit history
- Central reports
- Enterprise backup & recovery
- Priority support & optional integrations
Questions about free accounting software
What is BAS Accounting Software?
A Windows app for small businesses that does accounting, billing, POS, stock, khata (udhar), expenses, payroll and backups in one place. It is made by BAS Technologies Pvt Ltd.
Is it really free?
Yes. BAS Offline Free is free forever for one company on one Windows PC, with local accounting and backup. Premium services add cloud backup, mobile Owner’s Desk and other connected features. Check Pricing for current availability and promotions.
Which computers does it run on?
Windows 10 and Windows 11 PCs and laptops.
Is there a mobile app or a Mac version?
BAS Mobile and Premium Owner’s Desk are part of the pre-release product lineup. BAS Offline Free is currently designed for Windows 10 and Windows 11; a Mac version is not listed.
Start keeping better books today.
Download BAS Accounting Software free. Upgrade when your business is ready.