Chart of Accounts: Organising Your Financial Records
A chart of accounts (COA) is the master list of every account a business uses to record its financial transactions. Think of it as the filing system for your entire accounting records — every transaction gets sorted into one of these folders.
Why a Chart of Accounts Matters
Without a COA, financial records become chaotic. Imagine a library with books scattered randomly — you could never find what you need. A well-designed COA ensures every Dollars is classified consistently, making reports accurate and audits straightforward.
Standard Account Categories
- Assets (1000–1999) — What the business owns: cash, bank balances, receivables, inventory, equipment, property.
- Liabilities (2000–2999) — What the business owes: loans, payables, accrued expenses, tax liabilities.
- Equity (3000–3999) — Owners’ investment plus retained earnings.
- Revenue (4000–4999) — Income from sales and services.
- Expenses (5000–5999) — Costs of running the business: salaries, rent, utilities, marketing.
Sample Chart of Accounts for a Small Business
| Code | Account Name | Type |
|---|---|---|
| 1010 | Cash in Hand | Asset |
| 1020 | Bank Account | Asset |
| 1100 | Accounts Receivable | Asset |
| 1200 | Inventory | Asset |
| 1500 | Equipment | Asset |
| 2010 | Accounts Payable | Liability |
| 2100 | Bank Loan | Liability |
| 3000 | Owner’s Capital | Equity |
| 4000 | Sales Revenue | Revenue |
| 5010 | Salaries Expense | Expense |
| 5020 | Rent Expense | Expense |
| 5030 | Utilities Expense | Expense |
Designing Your COA: Best Practices
- Leave number gaps — Use 1010, 1020, 1030 rather than 1, 2, 3. Gaps allow you to insert new accounts later without renumbering everything.
- Be specific but not excessive — Too many accounts creates confusion; too few loses detail. Aim for clarity at the level your decisions require.
- Match your industry — A restaurant needs “Food and Beverage Cost”; a law firm needs “Legal Research Expenses.” Tailor accounts to your business model.
- Be consistent — Once you choose how to classify something, classify it the same way every time. Consistency makes trend analysis meaningful.
Sub-accounts and Parent Accounts
Large businesses use sub-accounts to get more detail without cluttering the main COA. For example, “Accounts Receivable” (parent) might have sub-accounts for each customer segment, while the parent shows the total.
Lesson Summary
- The COA is the master filing system for all financial transactions.
- Accounts are grouped into 5 types: Assets, Liabilities, Equity, Revenue, Expenses.
- Number gaps allow future expansion; consistency enables accurate analysis.
What Is a Chart of Accounts?
The chart of accounts (COA) is your business’s financial filing system — a numbered master list of every account used to record transactions. Think of it like the table of contents for your entire financial records. Without it, you’d have no consistent way to categorise income, track expenses, or produce financial statements.
Account numbers typically follow a predictable structure:
| Number Range | Category | Examples |
|---|---|---|
| 1000–1999 | Assets | Cash (1000), Accounts Receivable (1100), Equipment (1500) |
| 2000–2999 | Liabilities | Accounts Payable (2000), Bank Loan (2200), Accrued Expenses (2500) |
| 3000–3999 | Equity | Owner’s Capital (3000), Retained Earnings (3100) |
| 4000–4999 | Revenue | Service Revenue (4000), Product Sales (4100), Interest Income (4500) |
| 5000–5999 | Cost of Goods Sold | COGS (5000), Direct Materials (5100), Direct Labor (5200) |
| 6000–6999 | Operating Expenses | Salaries (6000), Rent (6100), Utilities (6200), Depreciation (6500) |
Sample Chart of Accounts: Maple Street Consulting
| Account # | Account Name | Type | Normal Balance |
|---|---|---|---|
| 1010 | Cash and Cash Equivalents | Asset | Debit |
| 1200 | Accounts Receivable | Asset | Debit |
| 1500 | Office Equipment | Asset | Debit |
| 1510 | Accumulated Depreciation | Asset (contra) | Credit |
| 2010 | Accounts Payable | Liability | Credit |
| 2300 | Salaries Payable | Liability | Credit |
| 3010 | Owner’s Equity | Equity | Credit |
| 3020 | Retained Earnings | Equity | Credit |
| 4010 | Consulting Revenue | Revenue | Credit |
| 6010 | Salaries Expense | Expense | Debit |
| 6020 | Office Rent Expense | Expense | Debit |
| 6030 | Software Subscriptions | Expense | Debit |
Leave gaps in your numbering (1010, 1020, 1030…) so you can insert new accounts without renumbering everything. A well-designed COA grows with your business.
COA vs General Ledger vs Trial Balance
Students often confuse these three related tools:
- Chart of Accounts: The list of account names and numbers (the index).
- General Ledger: The actual record of every transaction posted to each account (the database).
- Trial Balance: A summary of all ledger account balances at a point in time, used to check that debits = credits (the report).
The COA defines the structure; the ledger holds the data; the trial balance checks the arithmetic. All three work together in every accounting cycle.
Chart of Accounts Practice Worksheet — Download, print, and complete to reinforce this lesson.