
Feature rich everyday business account
Business One Plus everyday transaction account
This feature-rich bank account is designed for sole traders, partnerships, companies, associations, SMSFs and trusts, as well as not-for-profits requiring an overdraft facility.
Get all this value for $10/month:
- Unlimited free electronic transactions¹
- 25 free staff-assisted transactions
- 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 or already a Westpac business customer.
If you’re not eligible to apply online, open an account any branch.
Find out what ID and other documentation you need to provide in the new customer checklist.

Get a $100 warm welcome
Open a new business transaction account, deposit a minimum of $100 in a single transaction within the first 10 days using the description WELCOME100 and pocket $100 on us. New business customers only. Accounts opened between 03/02/2025 and 31/07/2025. T&Cs apply.#
Access up to $10,000 of value for your business with Business One Plus*
We’ve got together with 10 key partners to reward Business One Plus account holders with access to an exclusive collection of special offers.
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
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

Business solutions in the palm of your hand
Make purchases with your mobile device
- Link your card to Apple Pay, Google Pay TM or Samsung Pay TM to make fast contactless payments with your smartphone or wearable. Find out more.
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. Find out more.
Cancel direct debit
- We can notify a company of your request to cancel a direct debit or temporarily stop the company from debiting any funds from your account for 3 years. Find out more.
Report mistaken payments
- You can report selected payments in the Westpac App where you have made a mistake such as inputting an incorrect BSB or account number when making a payment. Find out more.
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.
Tips for starting and growing
Things you should know
Deposit Accounts for Business Customers Terms and Conditions (PDF 805KB)
Business Debit Mastercard® Terms and Conditions (PDF 171KB)
Before making a decision about any of our products or services, please read all the terms and conditions. Fees and charges apply and may change.
Find out what information you need to provide to become a Westpac customer.
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 Deposit Accounts for Business Customers Terms and Conditions (PDF 805KB)
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 260KB) (PDF 620KB) 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.
# $100 Welcome Offer (Welcome Offer or Offer): This Offer is available to selected customers only and is subject to eligibility requirements.
To be eligible for the $100 Welcome Offer, you must (1) open a Business One or Business One Plus transaction account (Account) (2) have deposited a minimum of $100 in a single transaction within 10 Days of account opening and (3) you must also add a payee description “WELCOME100” to the deposit transaction when transferring the $100 into your new account from another account or financial institution.
Eligibility is limited to a single offer per Account and a single offer per customer. The Offer is available to new Business One or Business One Plus transaction account customers that open a new Account during the Offer Period. Where a Joint Account has been opened, eligibility is limited to a single offer to the primary account holder. The primary account holder is not eligible if, in the last two years, the primary account holder had held or already hold a Business One, Business One Plus, Business One Low Plan or Business One High Plan transaction account.
The $100 Welcome Offer will be provided by way of direct deposit to the newly opened Business One or Business One Plus account within 60 Business days after you meet the eligibility criteria. You are not eligible to receive the offer if you do not include the payee description of “WELCOME100” to the transfer of funds.
The Offer is available from 3rd February 2025 until 31 July 2025 (Offer Period), however, the Offer may be withdrawn or varied at any time without notice or for any reason. We may refuse to provide you or withdraw the Welcome Offer payment if, without limitation, we reasonably believe that (i) you do not comply with these Terms and Conditions or the Terms and Conditions of Business One or Business One Plus, (ii) your account is fraudulent, (iii) you are not acting in good faith, or (iv) you have closed your Business One or Business One Plus account prior to us depositing the $100 Welcome Offer into your new account. This Welcome Offer 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. Business One and Business One Plus T&Cs also apply. Westpac Group Employees or where the customer or primary account holder is a Trust are not eligible for the Offer.
Unless specifically defined in these Terms and Conditions, terms used here have the same meaning as those defined in the Westpac Deposit Accounts for Business Customers Terms and Conditions.
Mastercard® is a registered trademark and the circles design is a trademark of Mastercard International Incorporated.
Apple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. Android, Google Play and the Google Play logo are trademarks of Google LLC. Samsung and Samsung Pay are trademarks or registered trademarks of Samsung Electronics Co., Ltd.
PayID® and PayTo® are registered trademark of NPP Australia Limited.