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Small Business Accounting Basics Every Founder Should Know

7 min read

I once saw a founder with $1.2 million in revenue nearly miss payroll because no one reconciled the accounts for six weeks. The cash was there. The visibility was not.

 

Australian businesses rarely stall for lack of sales. They stall when cash, tax, and profit are hard to see. That is why many founders at the early growth stage work with small business accountants who can keep the numbers clean while the owner stays focused on the business. .

 

You do not need a CFO. You need a simple system that shows cash, margin, and runway every week.

 

Past $500k in revenue, ad spend, headcount, and stock can outrun spreadsheets. Start with the reports that matter, then build clean routines for BAS, payroll, and planning.

 

Key Takeaways

 

A good system makes compliance routine and cash easy to read.

 

  • Register for GST at $75,000 turnover, keep super on time, and know the FBT year.
  • Set up bank feeds, a short chart of accounts, and STP-compliant payroll before you add extra reporting.
  • Review cash weekly, close the month by Day 10, and refresh forecasts each quarter.
  • Watch gross margin, operating profit, cash runway, and receivables before you chase new growth.

 

What Small Business Accounting Means

 

Good accounting gives you a clear path from each transaction to each decision.

 

Bookkeeping captures sales, bills, receipts, and payroll on time. Accounting turns that data into reports, mainly the profit and loss statement, balance sheet, and cash flow statement.

 

Compliance means meeting ATO and state rules. That includes BAS, GST, PAYG withholding, Single Touch Payroll, or STP, super, fringe benefits tax, or FBT, and payroll tax when thresholds apply.

 

The flow is simple. Sales create invoices and cash in. Purchases create bills and cash out. Payroll triggers STP reports and super. Then you close the month and decide on spend, pricing, or hiring.

 

Why a Simple Finance System Matters

 

A lean system reduces surprises before it saves time.

 

Compliance Certainty

 

BAS is usually due on the 28th after each quarter. Super must reach the fund by each quarterly deadline, or the non-deductible super guarantee charge can apply. A tax calendar and weekly tax sweep remove guesswork.

 

Decision-Grade Visibility

 

Standardise your chart of accounts so products, channels, and overheads are comparable. Close each month by Day 10 and lock earlier periods. That gives you a stable view of profit, not a moving target.

 

Cash Resilience

 

Short payment terms, upfront deposits, and fast invoicing reduce late payment risk. Track your cash conversion cycle, which measures how long cash stays tied up in receivables, stock, and payables. Shorten any part of that cycle and cash improves.

 

What to Set Up First

 

Get the plumbing right before you add dashboards.

 

Keep the chart of accounts short. Split revenue by product or channel, cost of sales from operating expenses, and overheads into people, sales and marketing, general and admin, occupancy, and tech.

 

If aggregated turnover is under $10 million, you can choose cash or accrual accounting for GST. Cash accounting suits service firms that want GST to line up with cash received. Add the right tax code, ABN, GST status, and payment terms to each supplier and invoice record.

 

Use separate operating, tax, and payroll accounts. Sweep estimated GST and PAYG into the tax account each week. Reconcile bank feeds at least twice a week, not just at month-end.

 

Use STP Phase 2 compliant payroll software and classify workers correctly. Reconcile gross wages, net pay, PAYG, and super every month. Store records digitally for at least five years, with searchable filenames and backups.

 

Use a Weekly, Monthly, and Quarterly Rhythm

 

Consistent review beats heroic catch-up work.

 

Each week, update cash on hand, expected inflows, expected outflows, overdue receivables, and critical payables. This takes about 30 minutes when the system is clean.

 

By Day 10, finish bank reconciliations, inventory valuation if relevant, payroll reconciliation, accruals, and the management pack. Review the profit and loss statement, balance sheet, cash flow, and a rolling 13-week cash forecast.

 

Lodge and pay BAS. Refresh your 12-month forecast. Review pricing, margin, and hiring plans. Pay super before the due date so it lands with the fund on time.

 

From April to June, plan for asset purchases, depreciation timing, dividends, and trust distributions if they apply. Close out FBT for the 1 April to 31 March year. Base rate entity companies can pay 25% tax when turnover and passive income tests are met.

 

Track the Metrics That Change Decisions

 

Track a few metrics every month, and use them to make one clear decision. 

 

Cash runway is cash divided by average monthly net burn. Operating profit margin shows whether the core model works after direct costs and overhead. A gap between operating cash flow and EBIT, earnings before interest and tax, usually points to working capital pressure.

 

Accounts receivable, or AR, days show how fast customers pay. Accounts payable, or AP, days show how long you take to pay suppliers. Pay on the due date unless a true early-payment discount beats the cash value of waiting.

 

Keep the monthly pack consistent. A good dashboard shows cash, runway, gross margin, AR and AP days, operating profit, and the 13-week forecast.

 

Make Accounting Work for You

 

The best finance system is the one you will actually run every week.

 

Past the founder-only stage, BAS, STP payroll, and monthly reporting often need more than a spare hour and a spreadsheet. Many Australian SMEs then seek outside help to keep systems clean, meet ATO dates, close each month on time, and plan cash with more confidence during steady growth by working with an experienced external accountant or bookkeeper.

 

You do not need a large finance team. You need numbers that are on time, accurate, and easy to act on.

 

Start this month with a tighter chart of accounts, a weekly cash review, and a pre-BAS check before each quarter closes. If revenue sits around $500k-$2m, an external bookkeeper, BAS agent, or fractional CFO can usually carry the load before you need in-house finance.

 

Answer Common Questions

 

Clear answers help you stay compliant without slowing the business.

 

Do I Need to Register for GST?

 

Register when current or projected GST turnover reaches $75,000, or $150,000 for non-profits. Ride-share and taxi operators must register regardless of turnover.

 

Cash or Accrual Accounting for GST?

 

If aggregated turnover is under $10 million, you can choose either method. Cash accounting usually suits early service businesses because GST follows cash received.

 

How Much Super Do I Pay and When?

 

The super guarantee rate is 12% of ordinary time earnings. Contributions must reach the employee's fund by each quarterly due date.

 

Do I Need to Worry About Payroll Tax?

 

Only when total wages pass your state or territory threshold. Rates, thresholds, and grouping rules vary, so check the right revenue office.

 

What Records Do I Need to Keep?

 

Keep business and tax records for at least five years. Store them digitally with searchable filenames and reliable backups.

 

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