An unsecured business overdraft is the most accessible form of business overdraft in Australia - available to businesses that don't own property, don't want to use property as security, or need funds faster than a secured application allows. Here is everything you need to know about unsecured business overdrafts in Australia in 2026.
An unsecured business overdraft is a revolving line of credit that is approved based on your business's cash flow and creditworthiness - without requiring physical assets (property, equipment, stock) as security. The lender's primary recourse in the event of non-payment is the personal guarantee signed by company directors, rather than a specific asset.
This contrasts with a secured business overdraft, where the lender takes a formal security interest over real property or other assets and can recover against those assets if the facility defaults.
Key fact: "Unsecured" doesn't mean "no personal liability." Directors of companies applying for an unsecured business overdraft almost always sign a personal guarantee. If the company can't repay, the director is personally responsible.
An unsecured business overdraft functions as a revolving facility:
The key advantage over a secured overdraft is speed and accessibility - no property valuation, no title search, no security registration. Applications can be assessed and approved within hours.
Non-bank lenders offering unsecured business overdrafts in Australia typically require:
| Criteria | Minimum requirement |
|---|---|
| Business structure | Sole trader, partnership, company or trust |
| ABN status | Active ABN required |
| Trading history | 6 months minimum |
| Monthly revenue | $6,000+ per month |
| Credit score | Equifax 550+ |
| Documents | 6 months bank statements, ABN, driver's licence |
| Maximum limit (no property) | Up to $150,000–$500,000 depending on lender |
Unsecured business overdraft interest rates are higher than secured rates because the lender takes on more risk. Current unsecured business overdraft rates in Australia range from approximately 14–30% p.a. depending on your business profile.
| Business profile | Estimated unsecured rate |
|---|---|
| Strong profile: 2+ years, 700+ score, $100K+ monthly | 14–18% p.a. |
| Standard profile: 12+ months, 620+ score, $30K+ monthly | 18–24% p.a. |
| Weaker profile: 6–12 months, 550+ score, $6K+ monthly | 24–30% p.a. |
| Factor | Unsecured | Secured |
|---|---|---|
| Property required | No | Yes |
| Interest rate | Higher (14–30% p.a.) | Lower (8–18% p.a.) |
| Approval speed | Hours | Days to weeks |
| Max limit without property | Up to $500K | Depends on property value |
| Risk to personal assets | Via personal guarantee | Via property + guarantee |
| Best for | Speed, no property, cash flow gaps | Lower rate, large facilities, established businesses |
If speed matters - choose unsecured. If rate matters and you own property - consider secured. If you don't own property - unsecured is your only option.
The unsecured business overdraft market in Australia is dominated by non-bank lenders. Key providers include Shift, Prospa, Moula, Banjo, Bizcap, Lumi and OnDeck. Each has different rate structures, eligibility criteria and appetite for different business profiles.
Rather than applying directly to multiple lenders and collecting multiple credit enquiries, using a specialist broker like OverdraftMe allows you to compare all of these lenders through a single assessment - protecting your credit score and ensuring the best match for your profile.
OverdraftMe specialises in unsecured business overdrafts for Australian SMEs. No property security required under $150K. Decisions from 1 hour. Free broker service.
Get a free quote →An unsecured business overdraft is a line of credit that does not require property or other physical assets as security. It is assessed primarily on your business's cash flow and credit history.
Yes - many non-bank lenders will consider unsecured business overdrafts for businesses with credit scores from 550+. The rate may be higher than for businesses with stronger credit.
Most non-bank lenders offer unsecured business overdrafts up to $150,000-$250,000. Some lenders will go to $500,000+ without property security for businesses with strong revenue.
Yes - most lenders will require a personal guarantee from company directors even for unsecured facilities. This means you are personally liable if the business cannot repay.
Everything you need to know - eligibility, rates, lenders and Payday Super 2026.
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