If you have ever set up accounting software for the first time, you have almost certainly encountered the chart of accounts — and possibly skipped past it as quickly as possible because it looked complicated and technical.

That is a mistake worth correcting.

The chart of accounts is the backbone of your entire bookkeeping system. Every transaction you record — every invoice, every expense, every payment — gets assigned to an account in your chart of accounts. The quality of your financial reports depends directly on how well your chart of accounts is organized and how consistently you use it.

The good news is that understanding and setting up a chart of accounts for a small business is not complicated. This guide explains what it is, why it matters, what accounts a typical small business needs, and how to set one up correctly from the start.

What is a Chart of Accounts?

A chart of accounts is a structured list of every financial category — called an account — used to organize and record the financial transactions of a business.

Think of it as a filing system for your financial activity. Every time money moves in or out of your business, it gets filed under the appropriate account. Revenue from client invoices goes into a revenue account. Office supplies go into an expense account. Cash in your bank goes into an asset account. Money you owe to a supplier goes into a liability account.

The accounts in your chart of accounts directly correspond to the line items in your financial reports. When you generate a Profit & Loss statement, every revenue and expense figure comes from the corresponding accounts. When you generate a balance sheet, every asset, liability, and equity figure comes from the corresponding accounts.

This means that if transactions are assigned to the wrong accounts — or if your chart of accounts is poorly organized — your financial reports will not accurately reflect your business. The chart of accounts is not just an organizational tool. It is the foundation of financial accuracy.

The Five Account Types

Every account in a chart of accounts belongs to one of five fundamental types. Understanding these types is the key to understanding how the chart of accounts works.

1. Assets

Assets are everything your business owns or is owed — resources that have economic value. Asset accounts track the current state of these resources.

Common small business asset accounts include:

Cash — The balance in your main business bank account
Savings account — Any business savings or secondary accounts
Accounts receivable — Money owed to you by clients for invoiced work not yet paid
Inventory — The value of stock held for sale (product businesses)
Equipment — Computers, machinery, vehicles, and other physical assets
Office furniture — Desks, chairs, and other furniture with lasting value
Prepaid expenses — Expenses paid in advance (annual software subscriptions, insurance premiums)
Security deposits — Deposits paid for premises or equipment

Assets are recorded as debits when they increase and credits when they decrease.

2. Liabilities

Liabilities are everything your business owes — financial obligations that must be paid in the future. Liability accounts track what the business currently owes.

Common small business liability accounts include:

Accounts payable — Money owed to suppliers and vendors for goods and services received but not yet paid
Credit card payable — The outstanding balance on your business credit card
Business loans — Outstanding loan balances
Tax liabilities — VAT or sales tax collected but not yet remitted, income tax owed
Payroll liabilities — Wages owed to employees not yet paid
Accrued expenses — Expenses incurred but not yet invoiced or paid
Deferred revenue — Payment received for work not yet completed

Liabilities are recorded as credits when they increase and debits when they decrease.

3. Equity

Equity represents the owner's stake in the business — what would be left if all assets were liquidated and all liabilities paid off. It is the residual value of the business.

Common small business equity accounts include:

Owner's equity — The owner's initial investment and ongoing stake in the business
Retained earnings — Cumulative profits retained in the business rather than withdrawn
Owner's drawings — Money withdrawn from the business by the owner
Contributed capital — Additional capital invested by owners or shareholders

Equity accounts are typically simpler for small businesses than for larger companies — but they are important for understanding the overall financial health of the business.

4. Revenue

Revenue accounts track all income generated by the business — money earned from core business activities.

Common small business revenue accounts include:

Service revenue — Income from services delivered to clients
Product sales — Income from products sold
Consulting fees — Income from consulting or advisory work
Retainer income — Recurring monthly fees from retainer clients
Interest income — Interest earned on business savings
Other income — Income from activities outside the core business

Some businesses need only one or two revenue accounts. Others benefit from more detailed revenue categorization — by service type, by client segment, or by project type — to understand which parts of the business are most profitable.

Revenue accounts are recorded as credits when they increase (income is earned) and debits when they decrease (refunds or reversals).

5. Expenses

Expense accounts track all costs incurred by the business. This is typically the most detailed section of a small business chart of accounts — with separate accounts for each significant type of spending.

Common small business expense accounts include:

Cost of Goods Sold / Direct Costs

Cost of goods sold — Direct cost of products sold
Contractor costs — Payments to subcontractors working on client projects
Materials and supplies — Materials purchased for specific client jobs

Operating Expenses

Rent and premises costs
Utilities (electricity, water, internet)
Staff salaries and wages
Payroll taxes and benefits
Software and subscriptions
Marketing and advertising
Website and hosting costs
Professional fees (accountant, lawyer)
Insurance
Travel and accommodation
Vehicle and mileage expenses
Office supplies
Printing and postage
Bank charges and fees
Depreciation
Training and education
Meals and entertainment (business)
Telephone and communications
Repairs and maintenance

Expense accounts are recorded as debits when they increase (expense is incurred) and credits when they decrease (refunds or reversals).

How the Chart of Accounts Connects to Financial Reports

Understanding how your chart of accounts feeds into your financial reports makes the purpose of every account clear.

The Profit & Loss Statement draws from:

Revenue accounts — showing total income by category
Expense accounts — showing total spending by category
The difference between the two is your net profit or loss

The Balance Sheet draws from:

Asset accounts — showing everything the business owns
Liability accounts — showing everything the business owes
Equity accounts — showing the owner's stake in the business

The Cash Flow Statement draws from:

Bank and cash accounts — tracking actual cash movement
Accounts receivable — tracking cash coming in from clients
Accounts payable — tracking cash going out to suppliers

When you look at a line item in any of these reports — say, marketing expenses of $3,400 in your Profit & Loss — that figure is the sum of every transaction assigned to your Marketing and Advertising expense account during that period. If you have categorized correctly, the figure is accurate. If you have been inconsistent — sometimes assigning Facebook ads to Marketing, sometimes to Software — the figure is misleading.

This is why consistent, accurate categorization against a well-organized chart of accounts is so important.

Setting Up Your Chart of Accounts — Step by Step

Step 1 — Start With Your Software's Default

Every good accounting software comes with a default chart of accounts that covers the most common small business needs. Do not start from scratch — start with the default and adjust it to fit your business.

The default chart of accounts in most accounting software is based on standard accounting practice and covers the five account types with sensible default accounts for each. For many small businesses, the default with minor adjustments is all that is needed.

Step 2 — Remove Accounts You Do Not Need

Go through the default chart of accounts and remove — or archive — any accounts that are not relevant to your business. A service business does not need inventory accounts. A solo freelancer does not need payroll accounts.

Removing irrelevant accounts keeps your chart of accounts clean and reduces the risk of transactions being assigned to the wrong account by mistake. Only keep accounts you will actually use.

Step 3 — Add Accounts Specific to Your Business

Add accounts that are relevant to your business but not covered by the default. Consider:

Revenue accounts — Do you have distinct revenue streams that are worth tracking separately? A marketing agency might want separate accounts for Branding Projects, Social Media Retainers, and Paid Advertising Management — so they can see which services are most profitable.

Expense accounts — Are there significant expense categories in your business that are not covered by the default? A construction business might need accounts for Materials, Subcontractor Labor, Equipment Hire, and Site Costs. A software company might need accounts for Cloud Infrastructure, API Costs, and Developer Tools.

Asset accounts — Do you have significant assets that need to be tracked separately? Vehicles, specific pieces of equipment, or significant prepaid expenses might warrant their own accounts.

Add specificity where it adds insight — but resist the temptation to create an account for every conceivable expense category. Too many accounts makes categorization confusing and time-consuming.

Step 4 — Assign Account Numbers

Most chart of accounts use a numbering system to organize accounts — grouping them by type and making them easier to navigate. A common numbering convention for small businesses is:

Range	Account Type
1000–1999	Assets
2000–2999	Liabilities
3000–3999	Equity
4000–4999	Revenue
5000–5999	Cost of Goods Sold
6000–6999	Operating Expenses
7000–7999	Other Income
8000–8999	Other Expenses

Within each range, accounts are numbered sequentially — with gaps left between numbers to allow for new accounts to be inserted without renumbering. For example, asset accounts might be numbered 1000 (Cash), 1100 (Savings), 1200 (Accounts Receivable), 1300 (Equipment) — with gaps between each to allow insertion.

Account numbers are particularly useful for larger charts of accounts and for sharing with accountants who expect standard numbering conventions. For very simple small business charts of accounts, numbering is less critical.

Step 5 — Document Your Categorization Rules

Once your chart of accounts is set up, document how specific types of transactions should be categorized — particularly for any categories where the correct assignment might not be obvious.

For example:

Software subscriptions used for client work go to Client Software Costs; software used for internal business operations goes to Software and Subscriptions
Meals with clients go to Business Entertainment; meals while traveling for work go to Travel — Meals
Equipment purchased for less than a certain value is expensed immediately; equipment above that value is capitalized as an asset and depreciated

These rules do not need to be elaborate — a simple document or note in your accounting software is enough. The goal is consistency — the same type of transaction categorized the same way every time, regardless of who is doing the categorization.

A Complete Chart of Accounts Example for a Service Business

Here is a complete example chart of accounts for a small service-based business — a marketing consultancy, a design agency, or a professional services firm. Adapt it to fit your specific business.

ASSETS 1000 — Cash (Main Business Account) 1010 — Cash (Secondary Account) 1100 — Accounts Receivable 1200 — Prepaid Expenses 1300 — Office Equipment 1310 — Computer Equipment 1400 — Accumulated Depreciation

LIABILITIES 2000 — Accounts Payable 2100 — Credit Card Payable 2200 — VAT / Sales Tax Payable 2300 — Income Tax Payable 2400 — Accrued Expenses 2500 — Deferred Revenue

EQUITY 3000 — Owner's Equity 3100 — Retained Earnings 3200 — Owner's Drawings

REVENUE 4000 — Service Revenue 4100 — Retainer Income 4200 — Project Income 4300 — Consulting Fees 4400 — Other Income

COST OF SALES 5000 — Contractor and Freelancer Costs 5100 — Direct Project Costs

OPERATING EXPENSES 6000 — Salaries and Wages 6100 — Rent and Premises 6200 — Utilities 6300 — Software and Subscriptions 6400 — Marketing and Advertising 6500 — Professional Fees (Accountant, Legal) 6600 — Insurance 6700 — Travel and Accommodation 6800 — Vehicle and Mileage 6900 — Office Supplies 6910 — Telephone and Communications 6920 — Training and Education 6930 — Business Meals and Entertainment 6940 — Bank Charges and Fees 6950 — Printing and Postage 6960 — Repairs and Maintenance 6970 — Depreciation

Maintaining Your Chart of Accounts

Setting up your chart of accounts is not a one-time exercise. As your business evolves, your chart of accounts should evolve with it.

Review annually — At the end of each financial year, review your chart of accounts. Are there accounts you created but never use? Archive them. Are there new expense categories in your business that would benefit from their own account? Add them. Has your revenue mix changed in a way that warrants different categorization? Update it.

Add accounts for significant new categories — When a new significant type of income or expense appears in your business, add a dedicated account rather than filing it under a catch-all category. Catch-all categories like Other Expenses obscure what is actually being spent — which defeats the purpose of categorization.

Avoid account proliferation — The opposite problem is creating too many accounts — an account for every conceivable expense, many of which capture only a handful of transactions per year. Too many accounts makes categorization confusing and time-consuming. Aim for the minimum number of accounts that gives you meaningful visibility into your income and spending.

Never delete used accounts — If an account has transactions assigned to it, do not delete it — archive or deactivate it instead. Deleting used accounts can corrupt your historical financial reports.

Common Chart of Accounts Mistakes

Using a single revenue account for everything — If your business has multiple revenue streams, a single revenue account tells you how much you earned in total but nothing about where it came from. Separate revenue accounts for different services or products give you visibility into which parts of your business are performing.

Putting everything in miscellaneous or other expenses — Other Expenses and Miscellaneous are catch-all accounts that tell you nothing useful. If a transaction type is significant enough to occur regularly, it deserves its own account.

Inconsistent categorization — Assigning the same type of expense to different accounts at different times makes your reports unreliable. Set rules and stick to them — or use accounting software with automatic categorization rules that enforce consistency.

Creating accounts that mirror tax categories rather than business reality — Your chart of accounts should reflect how your business actually operates — not just how your tax return is structured. Design it for management insight first and tax compliance second. A good accountant can map your accounts to tax categories at filing time.

Not reviewing the chart of accounts after major business changes — When your business changes significantly — new services, new revenue streams, new major expense categories — the chart of accounts needs to change with it. An outdated chart of accounts produces misleading reports.

Chart of Accounts vs Categories in Accounting Software

Some accounting software presents expense categories to users without explicitly calling them a chart of accounts — the underlying structure is the same but the user experience is simplified.

If your software shows you a list of categories to assign to each transaction — Office Supplies, Travel, Software, Marketing — those categories are your chart of accounts. Whether the software calls them accounts, categories, or something else, they serve the same purpose: organizing your financial transactions into meaningful groups that feed into your financial reports.

Summary

The chart of accounts is not the most exciting part of small business accounting — but it is one of the most important. A well-organized chart of accounts that is used consistently produces financial reports you can trust and insights you can act on.

The key principles:

Start with your accounting software's default and adjust — do not build from scratch
Remove accounts you will never use — keep it clean
Add accounts for significant business-specific categories
Use consistent categorization — always assign the same type of transaction to the same account
Review and update annually as your business evolves
Avoid catch-all accounts for significant spending categories

Get the chart of accounts right from the start and every other part of your bookkeeping becomes easier and more meaningful.

Frequently Asked Questions

Q: What is the difference between an account and a category in accounting? A: They refer to the same concept — a named bucket used to organize financial transactions. Some accounting software uses the term account (in the context of a chart of accounts), while others use category or class. The underlying purpose is identical — assigning each transaction to a group so that financial reports can show totals by type of income or expense.

Q: How many accounts should a small business have? A: Most small service businesses operate effectively with 30–60 accounts. Product businesses with inventory may need more. The goal is enough specificity to produce meaningful reports — but not so many accounts that categorization becomes time-consuming and confusing. If you find yourself creating accounts for categories that generate only one or two transactions per year, consider whether a broader category would serve you better.

Q: Can I change my chart of accounts after I have started using it? A: Yes — but with care. You can add new accounts at any time. You can rename accounts and recategorize transactions if needed. You should not delete accounts that have transactions assigned to them — archive or deactivate them instead. Major restructuring of an existing chart of accounts mid-year can affect the comparability of your financial reports — if you make significant changes, do so at the start of a new financial year.

Q: Do I need to set up a chart of accounts manually? A: No. Every good accounting software provides a default chart of accounts that is appropriate for most small businesses. Start with the default and adjust it to fit your business — removing irrelevant accounts and adding specific ones for your business type. Manual setup from scratch is unnecessary for the vast majority of small businesses.

Q: What is the difference between assets and expenses? A: An asset is something your business owns that has ongoing value — a computer, a vehicle, a building. An expense is a cost incurred in running the business that is consumed in the period — software subscriptions, office supplies, marketing spend. The distinction matters because assets are recorded on the balance sheet and depreciated over time, while expenses are recorded on the Profit & Loss statement and reduce profit in the period they are incurred. When you purchase a laptop, it is an asset — not an expense. When you pay your monthly internet bill, it is an expense.

Q: Should I have separate accounts for different clients? A: For most small businesses, tracking revenue by client is better done through your invoicing system — which records which client each invoice was sent to — rather than through separate revenue accounts in the chart of accounts. Your accounting software can produce a revenue breakdown by client from your invoicing data without needing a separate account for each client.

Accoru's default chart of accounts is set up and ready to use the moment you create your account — with automatic expense categorization that assigns transactions to the right account based on the merchant and your past patterns.

Chart of Accounts for Small Business — Complete Guide