NAB QuickBiz Overdraft Features

  • An unsecured overdraft facility of up to $50K, linked to your NAB Business Everyday Account.

  • Ongoing access to your overdraft, that's renewable annually.

  • The option to link your overdraft to a NAB Business Visa Debit card.

NAB QuickBiz Overdraft Eligibility

  • A sole trader, a partnership with up to two partners, a company with up to five directors, or a trustee of an eligible trust.

  • Registered for GST, turnover of at least $75K per year, and operated under your current registered ABN/ACN for more than 12 months.

  • Have 12 months of reconciled business financial data from your accounting package.

  • You'll also need to be at least 18 and a permanent Australian resident.

Benefits of our unsecured business overdraft



Quick online application and approval process so you can access your funds fast. If approved, you’ll have access to your funds within one business day from receipt of signed contract*.



Helps with unexpected expenses and only pay interest on your outstanding debit balance.

Money bag


An unsecured loan means the strength of your business performance and your track record is all you need to apply.

Quickbiz overdraft rates and fees

  • 12.25 %p.a.

    Variable interest rate on what you've used

  • 1.75 %p.a.

    Service fee on approved limit

  • $5k-$50k

    Borrow between


We get to know you

All you need to do is complete our fast, online application. We’ll review your business cash flow, your credit score and time in business. If approved, you’ll have access to funds within one business day (once we receive your signed contracts)*, and you can quickly link your overdraft to a NAB Business Visa Debit card.

How it works

  • Step 1

    Apply online now.

  • Step 2

    Have your ABN/ACN details handy as well as your NAB account number if you are already a customer.

  • Step 3

    If you use an accounting package like XERO, MYOB or QuickBooks, you can link your data.

  • Step 4

    If approved, access the funds one business day after we receive all your signed paperwork.*

Get started with your new NAB QuickBiz Overdraft

Select an option to get started with your overdraft

As part of your NAB QuickBiz Overdraft application you'll need to link it to a NAB Business Everyday Account.

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Existing NAB Business Account?, opens in a new window

Applying is even easier. Simplify your application by linking your new overdraft to your existing NAB Business Account.


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NAB Business Everyday Account, opens in a new window

Only want to pay for what your use? Our NAB Business Everyday Account requires no minimum balance or deposit, and is available with no monthly fee too. You'll also enjoy no ATM fees within Australia at NAB ATMs.

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NAB Business Everyday Account, opens in a new window

Enjoy fee-free periodic payments to any of our business loans and no ATM fees within Australia at NAB ATMs. There's no minimum balance or deposit needed, and a $10 monthly fee option.

Find the right finance option for your business

Answer a few simple questions to see which finance option is best for your business needs.

Other options for your business

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NAB QuickBiz Loan

Fast, unsecured business lending made easy, giving you access to funds to grow, run and invest in your business.

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NAB Business Overdraft

Manage peaks and troughs in your cash flow with an overdraft on your transaction account, starting from $20K.

business card

NAB Low Rate Business Card

It's a low cost credit card to help you manage your cash flow.

Frequently asked questions

What's the eligibility criteria?

Fast online conditional approval is subject to eligibility, credit assessment, lending criteria and ID verification.

You can only apply for this product if:

  • Your business is registered for GST and has a turnover of at least $75,000 per year.
  • Your business has been in operation for at least 12 months and has a valid Australian Business Number (ABN).
  • You have a business and residential address in Australia.
  • You intend to use the product where the purpose is wholly or predominately for business purposes. You can't use funds to make payments to the Australian Tax Office.
  • You're at least 18 years and hold an Australian citizenship or permanent residency.
  • You're a sole trader, a business partnership with no more than two individual partners, a company with five or less directors or a trustee of an eligible trust. Joint borrowers who are not partnerships, or partnerships where one or more partner is a company are not eligible to apply.
  • Due to their specialised nature, some franchise businesses may not be eligible for QuickBiz.
  • Any shareholders of companies or trustee companies that are listed in the application are individuals, and not companies.
  • Eligible trusts include the following:
    • your trust must be a non-government discretionary trust.
    • your trust has a valid Australian Business Number (ABN) and has been registered for at least 12 months.
    • your trust must have been established in Australia.
    • the beneficiaries of your trust are individuals.
    • your trustees can only be one of:
      • a company with no more than five directors.
      • up to two individuals.
    • if the trustee is a company shares in the company must be beneficially held.
  • Fast online decision and conditional approval is subject to eligibility, credit assessment, lending criteria and ID verification.
  • If you have existing NAB Business Lending, you can apply online for an additional NAB QuickBiz Loan, NAB QuickBiz Overdraft, NAB Business Credit Card or NAB Equipment Finance Loan 50 days after your most recent establishment date.
  • If you're an existing NAB Customer, you can only apply for this product if you have less than $1m in existing business lending with NAB and less than $250k in unsecured business lending with NAB (inclusive of this application).
  • The overdraft is available as a variable interest rate only. Debit interest is calculated on the daily outstanding balance and is charged to the account on the last banking day of the month. A NAB QuickBiz Overdraft service fee applies and is charged to the account on the last banking day of each month. Fees and charges may apply to your linked transaction account.
  • You'll receive your funds after we receive your completed contract. Business days are Monday to Friday, excluding weekend and VIC public holidays.
  • You can only borrow up to $50,000 in total limits across both a NAB QuickBiz Overdraft and NAB Business Credit Cards (applied for online).
  • The NAB QuickBiz Overdraft is only available as a new facility. It can’t be applied to existing NAB Business Overdrafts.

View full eligibility criteria

How's interest charged?

Interest is calculated daily and only on the funds you’ve used. This is charged on the last banking day of the month.

How are fees calculated?

A service fee of 1.75% per annum of the Overdraft limit is charged monthly on the last banking day.

When do I need to make repayments?

No minimum repayments are required if your NAB QuickBiz Overdraft remains under the agreed limit.

How much turnover does my business need?

The minimum annual turnover requirment for a NAB QuickBiz Loan is at least $75,000 per year. We want to make it easier for your business to apply and help you access funds sooner.

If you haven't found what you're looking for visit our FAQs

Important Information

*Funds will be provided within one business day upon receipt of signed contracts. Business days are Monday to Friday, excluding weekends and VIC public holidays.

Lending criteria and terms and conditions apply (available on application).

NAB recommends you consider the Product Disclosure Statement or other disclosure document, available from NAB, before making any decisions regarding these products. These products are issued by National Australia Bank Ltd ABN 12 004 044 937.

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