Skip to content
Rubric Financial

Accounting

Small Business Accounting 101: Books, Close, Statements, Taxes

The accounting basics every owner needs, in order: set up the books, close them monthly, read the statements, stay ahead of taxes, and use the numbers to run the business. A map of the whole system with links to go deeper.

By Aparna Devalla, CPA4 min · 6 slidesUpdated August 2, 2026

1 / 6

The Whole System in One Map

  • Small business accounting is a pipeline with five stages: record transactions, close the books monthly, read the financial statements, file and plan taxes, and make decisions from the numbers.
  • Each stage depends on the one before it. Statements built on unreconciled books are fiction, and tax planning built on late statements is guesswork.
  • The accounting basics are not about becoming your own accountant. They are about knowing what good looks like at each stage so you can tell whether you are getting it.
  • Most accounting pain traces to skipping a stage: owners who jump straight from a bank feed to a tax return, with no close and no statements in between.
  • This deck is the map; each stage below links to a deeper guide in our library.

Use ← → keys, or swipe on mobile

Educational content, not tax, legal, or accounting advice. Confirm with a CPA before acting.

Frequently asked questions

What are the accounting basics every small business owner should know?

Five stages, in order: keep the books current in real accounting software with a dedicated business bank account, close the books every month with reconciliations and adjusting entries, read the P&L, balance sheet, and cash flow statement together, stay ahead of tax deadlines and quarterly estimates, and use the resulting numbers for pricing, hiring, and cash decisions. Owners do not need to perform each stage, but they should know what good looks like at every one.

Do I need an accountant or can I do my own small business accounting?

Early on, many owners handle their own bookkeeping in QuickBooks, Xero, or Zoho Books with a CPA at tax time, and that stack works for simple, low-volume businesses. The practical breakpoints are the monthly close and accrual accounting: once decisions, lenders, or investors depend on accurate statements, professional help pays for itself. The common failure is not DIY bookkeeping; it is DIY bookkeeping that never gets closed or reviewed.

What is the difference between bookkeeping and accounting?

Bookkeeping is recording: categorizing transactions, reconciling accounts, and keeping the ledger current. Accounting is everything built on top: closing the books, posting accruals and adjustments, producing financial statements, and interpreting them. Bookkeeping tells you what happened to every dollar; accounting tells you what it means. A small business needs both layers, and the monthly close is the handoff point between them.

What financial statements does a small business need?

Three, produced monthly after the close: the profit and loss statement showing performance over the period, the balance sheet showing what you own and owe at month-end, and the statement of cash flows explaining why cash moved. They interlock, so profit flows into equity and the cash flow statement bridges profit to the bank balance. Lenders typically ask for all three, often on an accrual basis, which is a reason to build the habit early.

How much time should small business accounting take each month?

With a clean setup, the recording work is continuous but light, and the close should finish within five to ten business days of month-end. The owner's own commitment can be as little as thirty minutes monthly: reviewing the three statements with whoever closed the books and asking what moved and why. If the books consume more owner time than that, the setup, the software, or the help usually needs an upgrade.

Need help applying this to your business?

Talk to a partner at Rubric Financial, one business day response. We'll scope a plan tailored to your situation, with a fixed monthly fee.

Call