What Should I Do Every Month for My Accounting?
Many business owners only think about accounting once a year — at tax filing time. But businesses that treat accounting as a monthly discipline, rather than an annual scramble, consistently avoid penalties, catch cash flow problems early, and make better financial decisions. In Pakistan, where Sales Tax returns, withholding tax statements, and payroll obligations are all monthly requirements, a structured routine isn't optional — it's necessary.
Without a monthly system, it's easy to miss FBR filing deadlines, lose track of receivables, or discover errors only when it's too late to fix them cheaply. A proper monthly close process gives you accurate numbers, keeps you audit-ready, and ensures nothing slips through the cracks.
In this guide, we break down exactly what you should be doing every single month for your business accounting — from bank reconciliation to tax filings — in a clear, actionable checklist format you can start using immediately.
📑 Table of Contents
- Why Monthly Accounting Matters
- Complete Monthly Accounting Checklist
- 1. Bank & Cash Reconciliation
- 2. Record & Review Sales and Purchases
- 3. Sales Tax Return Filing
- 4. Payroll Processing & Withholding Tax
- 5. Expense Review & Categorization
- 6. Generate Key Financial Reports
- 7. Review Receivables & Payables
- Suggested Monthly Timeline
- Common Mistakes to Avoid
- Why Outsource Your Monthly Accounting
- Frequently Asked Questions
- Related Articles
1. Why Monthly Accounting Matters
- Regulatory compliance: Sales Tax returns and WHT statements are monthly obligations in Pakistan
- Early problem detection: Catch errors, fraud, or cash flow issues before they compound
- Better decision-making: Real-time financial visibility supports smarter business choices
- Audit readiness: Clean monthly records mean faster, less stressful FBR audits
- Reduced year-end workload: Spreads the accounting effort evenly instead of a year-end crunch
2. Complete Monthly Accounting Checklist
📊 Visual: Where Most Monthly Accounting Time Goes
*Illustrative time allocation for a typical SME's monthly close process.
3. Bank & Cash Reconciliation
- Match bank statement transactions with your accounting records
- Identify and investigate any discrepancies or unrecorded transactions
- Reconcile petty cash and cash-in-hand balances
- Confirm all bank charges, profit, and withholding tax on bank profit are recorded
4. Record & Review Sales and Purchases
- Ensure all sales invoices for the month are recorded and numbered sequentially
- Verify all purchase invoices are entered with correct supplier details
- Cross-check supplier tax invoices against FBR's Active Taxpayer List for validity
- Confirm inventory levels align with recorded purchases and sales
5. Sales Tax Return Filing
- Prepare Annexure-C (sales/output tax) and Annexure-A (purchases/input tax)
- Reconcile input and output tax to calculate net payable amount
- Submit the Sales Tax Return via FBR's IRIS portal before the deadline
- Pay any tax due through a valid Payment Slip ID (PSID)
Need the exact formulas involved? See our detailed guide on how Sales Tax is calculated, or let Arshad Associates' Sales Tax Services handle filing for you.
6. Payroll Processing & Withholding Tax
- Process monthly salaries with accurate income tax withholding based on slabs
- Deduct and record withholding tax on contractor/supplier payments
- Deposit withheld tax with FBR within the prescribed timeframe
- Issue withholding tax certificates where required
Learn more about why withholding tax is deducted and how it affects your monthly obligations, or explore our Payroll Services.
7. Expense Review & Categorization
- Categorize all business expenses correctly (rent, utilities, salaries, marketing, etc.)
- Separate personal and business expenses clearly
- Identify tax-deductible expenses for future filing benefit
- Flag unusual or duplicate transactions for review
8. Generate Key Financial Reports
| Report | Purpose |
|---|---|
| Profit & Loss Statement | Shows monthly revenue, expenses, and net profit/loss |
| Balance Sheet | Snapshot of assets, liabilities, and equity |
| Cash Flow Statement | Tracks cash inflows and outflows |
| Accounts Receivable Aging | Identifies overdue customer payments |
| Accounts Payable Summary | Tracks what you owe suppliers and when it's due |
Want deeper insight from these reports? Our Financial Planning & Analysis and Financial Modeling services turn monthly numbers into actionable strategy.
9. Review Receivables & Payables
- Follow up on overdue customer invoices
- Review upcoming supplier payment obligations
- Assess cash flow impact of pending receivables and payables
- Update collection or payment strategies as needed
10. Suggested Monthly Timeline
| Timeframe | Task |
|---|---|
| 1st - 5th of the month | Complete bank reconciliation & record prior month's transactions |
| 6th - 10th | Review and categorize expenses; finalize receivables/payables |
| 10th - 15th | Process payroll and deposit withholding tax |
| 15th - 18th | Prepare and file Sales Tax Return |
| 18th - 25th | Generate financial reports and review with management |
11. Common Mistakes to Avoid
- ❌ Delaying bank reconciliation until multiple months pile up
- ❌ Missing Sales Tax or WHT filing deadlines
- ❌ Mixing personal and business expenses
- ❌ Not reviewing financial reports regularly, missing early warning signs
- ❌ Relying purely on memory instead of a documented checklist
- ❌ Manually tracking everything without proper accounting software
If you're still deciding on your bookkeeping approach, read our comparison: Accounting Software or Manual Bookkeeping?
12. Why Outsource Your Monthly Accounting
Keeping up with a full monthly accounting routine — while running your business — is demanding. Outsourcing ensures accuracy, consistency, and compliance without consuming your time. Arshad Associates offers:
- Tax Preparation — Ongoing monthly bookkeeping and record accuracy
- Sales Tax Services — Timely monthly filing and reconciliation
- Payroll Services — Accurate monthly payroll and WHT compliance
- Corporate Tax Return Filing — Year-end filing built on solid monthly records
- Financial Planning & Analysis — Turning your numbers into strategy
13. Frequently Asked Questions (FAQs)
Q1: What are the most important monthly accounting tasks for a small business?
The most critical tasks are bank reconciliation, recording all sales and purchases, filing your Sales Tax return, processing payroll and withholding tax, and generating a profit & loss statement to track performance.
Q2: When is the Sales Tax return due each month in Pakistan?
Sales Tax returns are generally due by the 18th of each month for the preceding tax period, though the tax payment deadline typically falls earlier, around the 15th — always confirm current deadlines as they can be revised.
Q3: How often should I reconcile my bank account?
Bank reconciliation should be done monthly at minimum, though many businesses with high transaction volumes benefit from weekly reconciliation to catch discrepancies early and maintain accurate cash flow visibility.
Q4: Do I need an accountant if I use accounting software?
Accounting software automates data entry and calculations, but a professional accountant ensures accuracy, proper tax compliance, correct categorization, and strategic financial interpretation that software alone cannot fully replace.
Q5: What financial reports should I review every month?
At minimum, review your Profit & Loss Statement, Balance Sheet, Cash Flow Statement, and Accounts Receivable Aging report each month to understand profitability, financial position, and outstanding customer payments.
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Talk to Arshad Associates for complete monthly bookkeeping and tax compliance support.
