Retail shop owner serving a customer at the till in an Adelaide boutique

L is for line of credit

Business line of credit

How a business line of credit works: limits, drawing and repaying, secured vs unsecured lines, and when a revolving facility beats a loan.

Updated 18 October 2026 · Any Business Loan editorial team

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Quick answer

A business line of credit is a revolving facility with an approved limit that you draw on when needed, repay and draw again. You generally pay interest only on the amount you've used, not the full limit. Unsecured lines for trading businesses are typically sized on turnover and bank statements; property-secured lines can support larger limits.

Key points

  • Draw what you need, when you need it, up to a set limit.
  • Repaid funds become available again.
  • Interest is usually charged only on the drawn balance.
  • Unsecured or property-secured versions exist.
Unsecured limits
Typically $5k – $500k, sized on turnover
Secured limits
Larger, backed by property
Repayment
Revolving
Best for
Recurring or unpredictable gaps

How does a line of credit actually work?

A lender approves a limit — say, enough to cover your typical monthly gap between paying suppliers and getting paid. You draw from it when you need to, which reduces your available balance. When customers pay, you put money back, and the available balance grows again. You can repeat that cycle for as long as the facility is in place and in good order.

The big attraction is efficiency. With a lump-sum loan, you pay interest on the whole amount from day one, even if half of it sits idle. With a line of credit, interest is generally only charged on what you’ve actually drawn.

When is a line of credit the right choice?

Lines of credit suit needs that are recurring or unpredictable:

  • paying suppliers before customers pay you,
  • stocking up before busy periods,
  • covering BAS, PAYG and super payments that land at awkward times,
  • smoothing out lumpy project income, and
  • having a buffer ready for the unexpected.

They’re less suited to one-off purchases with a long payback. If you’re buying a truck or a building, a term loan, equipment finance or a mortgage usually fits better.

Secured or unsecured?

Unsecured line Property-secured line
Security None (often a director’s guarantee) Residential or commercial property
Limits Typically $5,000 to $500,000 Larger limits possible
Assessment Turnover, bank statements, trading history Property value, purpose, repayment
Credit Clean-ish history preferred Issues considered case by case

If your business trades consistently, an unsecured line is often the simplest place to start. If you need a larger limit, or your credit or tax position is complicated, a secured line may be more achievable.

How do lenders size an unsecured limit?

Typically, they look at monthly turnover over the last six to twelve months, how consistent it is, how the account is run (dishonours and overdrawn days matter), existing debts, and how long you’ve been trading. Our guide on what lenders see in your bank statements explains the patterns that help or hurt.

Using a line of credit well

  • Use it for timing gaps, not losses. Drawing to cover a one-month gap is healthy; drawing every month to cover losses is a warning sign.
  • Repay as money comes in. That’s what keeps the line useful.
  • Watch the fees. Know your line fee, any minimum repayment rules and review dates.
  • Keep some headroom. A line that’s always maxed out stops being a buffer.

If you’re comparing a line of credit with an overdraft, working capital loan or seasonal facility, the Loan Finder shows them side by side. Or ask a specialist which suits the way your cash moves.

An illustrative example

A wholesale florist pays growers weekly but supplies event companies on 30-day terms. A line of credit sized to roughly one month of purchases covers the gap. Each month, the line is drawn and then repaid as invoices are paid. (Illustrative only.)

What else is business line of credit called?

Lenders, accountants and search engines don’t all use the same words. You’ll also see this entry described as Revolving credit, Line of credit and LOC. In our A–Z index every one of those names points back to this page, so whichever term you searched, you’ve landed on the same thing. If a lender uses a name you don’t recognise, ask them to describe how the security, the term and the repayments work; that tells you far more than the label.

Where does it sit in the directory?

This entry lives on the cash flow and unsecured shelf. It’s most often used for cash flow and working capital, stock, trade and invoices, and the security usually involved is whatever suits the deal, from nothing at all to property. It is one of the quicker entries to put in place when the paperwork is ready. Its closest neighbours are:

To compare all of them at once, filter the Loan Finder by purpose and security.

Common mistakes to avoid

  • Starting with the product instead of the purpose. Decide exactly what the money must achieve, then choose the structure that fits it.
  • Not comparing secured and unsecured options. The same need can often be met either way; the right answer depends on amount, credit and timing.
  • Under-estimating the total cost. Ask for the full amount repayable in dollars, including every fee, before you compare offers.
  • Applying everywhere at once. Multiple applications can leave a trail of credit enquiries. One well-prepared enquiry is better.
  • Leaving it until the last minute. Facilities are easier to arrange while trading is strong, not in the middle of a crunch.

What should I ask before signing up for business line of credit?

A short list of questions saves a lot of regret. Put these to any lender or specialist before you commit:

  1. Which structures did you consider for me? A good specialist explains why one option beats the others for your situation.
  2. What’s the total cost in dollars? Compare like with like across secured and unsecured offers.
  3. What security or guarantees are needed? Know exactly what’s on the line before you sign.
  4. How are repayments timed? Match frequency to how money comes into your business.
  5. What happens if things change? Ask about early repayment, top-ups and hardship options.

If an answer is vague, ask again or ask for it in writing. Good lenders are happy to explain their terms clearly.

Get a limit that matches how your cash moves

If your business has regular gaps between money going out and money coming in, a line of credit could take the stress out of it. Start with a 60-second enquiry: no credit check, and it goes to one specialist rather than out to a pile of lenders.

Please give us an honest idea of your monthly turnover, your typical gap and what you’d like the limit to cover. Accurate answers mean the right limit first time. Start your enquiry.

Frequently asked questions

How is a line of credit different from a business loan?

A business loan gives you a lump sum that you repay over a set term. A line of credit gives you a limit you can use repeatedly. As you repay, the money becomes available to draw again.

Do I pay for the limit if I don't use it?

Some lines charge a line fee or account fee on the limit. Interest is generally charged only on what you draw. Check the fee structure before you sign.

What's the difference between a line of credit and an overdraft?

They're similar. An overdraft is attached to your transaction account, while a line of credit is often a separate facility you transfer money from. Assessment and pricing can differ.

Can I get a line of credit without property?

Yes. Unsecured lines are available for trading businesses, sized on turnover and bank statement history.

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