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$0 a month Business One transaction account

Use this everyday business bank account to easily manage your income and outgoings. It gives you the flexibility to bank the way you want to online, on mobile, by phone, and in branch.

Get all this for $0 monthly fee:

  • Unlimited free electronic transactions¹
  • $3 per staff-assisted transaction
  • Access your business and personal finances in the one app and in Online Banking
  • Business Debit Mastercard®²
  • Eligible account for EFTPOS Air mobile app
  • Optional overdraft facility.³

Open an account online if you're:

  • A sole trader, 1-director or
  • Already a Westpac business customer

If you’re not eligible to apply online, open an account at any branch.

Clear, simple and secure business banking

Easily switch between profiles

See all your banking in one place in Online Banking and the Westpac App7. Manage your personal and business accounts side by side with a single sign in.

Online security guaranteed

We'll repay any missing funds if your account is compromised as a result of Internet fraud, as long as you've complied with our T&Cs.4

Take the reins on payments

PayTo® is a new payment option that gives you visibility and control over payments from your bank account through Online Banking.

Lock your debit card temporarily

Avoid the hassle of cancelling if you’re concerned you may have lost your debit card. Lock it for up to 15 days while you look, in Online Banking or the Westpac App.5

Save time on accounting

Keep your digital records in order for tax time with eStatements, and set up bank feeds to  accounting software such as MYOB and Xero.6

Bank whenever it suits you

Manage your banking, pay bills, and monitor your finances 24/7 in Online Banking and the Westpac App; or drop into a branch during opening hours.

Eligibility check

  • Sole trader, partnership, company, association, SMSF, trust, or not-for-profit
  • Operating in Australia with an Australian address
  • 18+ years old (applicant plus all signatories).

What to take if you’re applying in branch

For your security, we’re required to check your ID and other documents before you can open a business account. 

Unsure of your business structure? Find out using your business registration.


ID options:

  • Driver licence or passport, OR
  • Birth/citizenship certificate PLUS Medicare card or recent utility bill in your/their name.

Check out other ID options (PDF 657KB)

Fees and interest

  • $0 monthly fee
  • $0 for electronic transactions¹
  • $3 staff-assisted transactions include cheques written, collected, and deposited, branch assisted deposits and withdrawals, and narrated credits. See T&Cs (PDF 593KB) for fees that may apply to other banking activity
  • Business One does not pay interest.
  • 15.01% p.a. Unarranged Lending Rate (ULR) is a debit interest rate charged to a transaction account if it becomes overdrawn without arrangement.

Make more of your business account with popular add-ons

Add an EFTPOS solution

For fast, reliable payments, choose a standalone machine or a terminal that integrates with your POS system.

Add a savings account

Earn interest on surplus funds set aside for things such as tax payments, equipment upgrades or unexpected expenses.

$100 bonus, just for using EFTPOS Air

Take payments the easy way with EFTPOS Air on your compatible device – and get $100 for taking $1,000 through the app.  Must be within 30 days of merchant facility approval between 3 June and 30 September 2024. T&Cs apply.*


Things you should know

This information does not take your personal objectives, circumstances or needs into account. Consider its appropriateness to these factors before acting on it. Read the disclosure documents for your selected product or service, including the Terms and Conditions or Product Disclosure Statement and consider whether the product or service is right for you


* $100 Bonus Offer: Conditions, fees, charges, eligibility criteria and exclusions apply. Standard product terms and conditions also apply. To be eligible for the $100 Bonus Offer (Bonus Offer) you must have an application for a Westpac EFTPOS Air facility approved between 3 June 2024 and 30 September 2024 and have achieved $1,000 gross sales within 30 days of the EFTPOS Air application approval (Eligibility Criteria). Gross sales represent sales where a fee is charged on the value and/or number of sale transactions. The value and/or number of refund transactions are not included in the calculation. Gross sales exclude any payments taken using a merchant’s personal card. You are not eligible to receive the Bonus Offer if, in the last two years you have held, or you currently hold, any merchant facility with Westpac, St.George, Bank of Melbourne or BankSA. The $100 bonus will be paid to your Westpac business transaction account approximately 60 days after you meet the Eligibility Criteria. If you unsubscribe from receiving marketing offers, you will remain part of this Bonus Offer and payment of the Bonus Offer will only be made into your nominated billing account. Your EFTPOS Air facility must also be operational at the time of payment. This Bonus Offer is limited to only one successful application per customer. The payment represents a pre-paid volume rebate of the first $100 (including GST) of Merchant Service Fees charged to your account. This $100 bonus may have taxation implications. We recommend that you seek independent advice to determine any tax liability or other tax implications based on your individual circumstances. Westpac has the right to vary or withdraw the Bonus Offer at any time. All Westpac Group offers are subject to eligibility and only available if your account is open and remains in good standing.

1. Fees may be incurred for certain electronic transactions such as foreign transactions and withdrawals from some overseas ATMs. Customers must be able to meet any applicable fees and charges. For a complete view of fees, please refer to our Terms and Conditions (PDF 593KB).

2. Business Debit Mastercard® holders need to be at least 18 years of age, and other eligibility criteria apply.

3. Optional overdrafts are subject to credit approval, eligibility criteria and fees.

4. If your Westpac account is compromised as a result of Internet fraud, we guarantee to repay any missing funds, providing you comply with our Online Banking Terms and Conditions. This includes keeping your sign-in details (including passwords, Westpac Protect™ SMS codes and SecurID® Token codes) private. You must inform us immediately if you suspect the security of your access details has been compromised, or you suspect an unauthorised transaction or potential fraud on your accounts.

5. Card Lock will temporarily stop new transactions on your card for up to 15 days or until reactivated. The card will reactivate after 15 days if you do not cancel the card. Cards to which a temporary lock can be applied will be listed when you sign in to Mobile Banking or Online Banking and visit Lock a card temporarily under Cards services.
6. Read the Westpac Online Banking Terms and Conditions (PDF 555KB) before making a decision. Not all accounts are eligible to be included in a bank feed. Not all third-party service providers support bank feeds for all accounts.
Bank feeds must be set up with third-party service provider before it can be connected in Westpac Online Banking. If your third-party service provider doesn’t appear in the drop-down menu in Westpac Online Banking, you may need to check that your third-party service provider is registered with Westpac. Should there be any changes to your user access or network access levels, you may need to disconnect your bank feed(s) as any access changes won’t impact bank feeds. The products and services offered by third-party service providers are subject to their own terms and conditions and fees and charges. Westpac doesn’t guarantee or endorse the services or products offered by third-party service providers.

7. Online and app banking is subject to system availability.

Mastercard® is a registered trademark of Mastercard International Incorporated.

PayTo is a registered trademark of NPP Australia Limited.