Managing Finances Together: NAB Joint Bank Accounts

Opening and Managing Your Joint Account with NAB

Olesya Krasavtseva
Fact-checked by Olesya Krasavtseva
Content Editor at Prostobank Consulting Prostobank Consulting Logo
Updated: 01.09.2026
Table of Contents

Understanding Joint Bank Accounts

A joint bank account allows two or more people to manage shared expenses or savings from a single account. Whether you are managing household bills with housemates, saving for a goal with a partner, or helping a family member manage their spending, a joint account provides shared visibility and access. At NAB, you can open most everyday transaction, savings, and term deposit accounts as joint accounts.

When you open a joint account, all account holders typically have full access to the funds and can track shared spending. Each person generally receives their own NAB ID and debit card, which helps maintain individual accountability while simplifying how you pay for common expenses like rent, utilities, or groceries. It is worth noting that all account holders share responsibility for any debt or overdrafts associated with the account.

Key Information and Requirements

Category Details
Methods Online (most common) or in-branch.
Processing Time Online applications are generally processed once both parties complete their section.
Eligibility Must be at least 18 years old for online applications.
Key Requirements Valid Australian ID, individual mobile number, and email address for each person.

Step-by-Step Guide: Opening Your Account Online

For most personal accounts, the online application process is designed to be completed in two parts.

  1. Start the application: One applicant begins the process online by selecting the desired account type (e.g., NAB Classic Banking).
  2. Select 'Joint': Choose the option to apply as a joint account holder when prompted.
  3. Enter details: Provide your personal information and log in with your NAB ID if you are an existing customer.
  4. Invite the co-applicant: Enter the name, email, and Australian mobile number of the second person. They will receive an invitation to complete their portion of the application.
  5. Finalize: Once both applicants have completed their sections, the bank processes the application and opens the account.
  6. Access: Download the NAB app and log in with your individual NAB ID to begin using the account.

Troubleshooting Application Issues

If you experience difficulty during the setup, here is how to resolve common hurdles.

MFA / Login Issues

  • Cause: You cannot complete the invitation process because the second applicant is not receiving the security code.
  • Simple Fix: Ensure the co-applicant’s Australian mobile number is typed correctly in the invitation fields.
  • Fallback Action: Visit a NAB branch together if you share a mobile number or are experiencing persistent MFA failures.

Browser or App Errors

  • Cause: An outdated browser cache or incompatible device settings may prevent the invitation link from loading correctly.
  • Simple Fix: Try accessing the invitation link via a different web browser or a private/incognito window.
  • Fallback Action: Contact NAB support or visit a branch to have the application finalized manually.

Locked Account / ID / Access Issues

  • Cause: If either applicant enters incorrect ID details, the digital application may lock for security reasons.
  • Simple Fix: Use the bank’s support tools to verify your identity; ensure you are using a current Australian driver's licence or passport.
  • Fallback Action: Visit a NAB branch with both applicants present and bring your original identification documents.

Pro-Tip: Before opening your joint account, discuss how you want the account to operate. For most joint accounts, either person can withdraw money independently. If your situation requires that both people must sign off on every transaction—known as "restricted access"—you cannot set this up online; you must visit a NAB branch to organize this specific arrangement.

Frequently Asked Questions

Q: What happens if one person runs up debt on our joint account?
In a joint account arrangement, all account holders are generally "jointly and severally" liable for any debts or overdrafts. This means the bank may seek repayment for the entire amount from any of the account holders, regardless of who incurred the spending. One limitation is that you cannot simply isolate your own responsibility if the account goes into debt. Your practical next step is to monitor shared spending through the NAB app and maintain open communication about account activity.

Q: Can I add someone to my existing NAB account later?
Yes, you can typically add another person to an existing account, but this process often requires both of you to visit a NAB branch to verify identification and update the account authority. This ensures that the bank has verified the new account holder's identity and provided them with the necessary access. One limitation is that some specialized accounts may not support the addition of new holders. Your practical next step is to call NAB on 13 22 65 or visit a branch to confirm if your specific account type is eligible for adding a new holder.

Official Bank Information

NAB

Support: 13 22 65

SWIFT Code: NATAAU33

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