NAB
Complaints

How to file a complaint and get quick results from
NAB

Edited by:
Ajust Content Team
Last updated
May 26, 2025
Our AI curates essential insights from across the web, while expert human writers craft content that's clear and easy to understand.

How to submit a complaint with
NAB
 

NAB makes it easy to raise a complaint using any of these trusted channels:

  • 📞 Phone: Call NAB’s personal banking support on 13 22 65 (Mon–Fri 8am–7pm, Sat–Sun 9am–6pm AEST). For business issues, dial 13 10 12. Overseas? Use +61 3 8641 9083. Ask to lodge a complaint. If unresolved, you’ll be referred to NAB Resolve.

  • 🌐 Online Form: Use NAB’s secure Feedback & Complaints form to submit a detailed complaint. It’s quick and tracks everything with a reference number.

  • 🏦 In Person: Head to any NAB branch. Speak to staff or a manager, who can help log the issue or escalate it.

  • 🔒 NAB Internet Banking/App: Log in and send a secure message outlining your issue. Handy for non-urgent complaints.

  • 📬 By Mail: Write to NAB Resolve, Reply Paid 2870, Melbourne VIC 8060. Include relevant account info and contact details.

✅ You can also appoint someone (like a financial counsellor or family member) to complain on your behalf with your permission.

What happens after you submit a complaint to NAB ?

Here’s what to expect once your complaint is logged:

  • 📩 Acknowledgement: You’ll receive a reference number (on the phone, via email, or by mail) so your case can be tracked.

  • 🔍 Initial Review: Many issues (e.g., fee errors or tech glitches) are resolved at first contact. Otherwise, it’s escalated.

  • 👤 NAB Resolve: Complex matters go to NAB’s internal complaints unit. A case manager will investigate and stay in touch.

  • ⏱ Timelines: NAB aims to resolve most cases within 30 days. If it takes longer, they’ll update you every 10 business days.

  • 📞 Resolution Contact: You’ll be notified by your preferred method with a clear explanation of whether your issue is fixed or further action is needed.

  • 💬 Final Response: If you’re still not satisfied, NAB will explain how to escalate externally (like to AFCA).

💡 NAB says, “We want to resolve any problem you have,” and their structured process reflects that.

Common complaints against
NAB

Here’s what customers most often raise with NAB:

  • 🚫 Online/App Issues: Downtime, login failures, or incorrect balances - especially stressful during payment windows.

  • 💳 Transaction Disputes: Fraud charges, double debits, or unhelpful chargeback outcomes.

  • 🔐 Account Freezes: Funds blocked due to “suspicious activity” with limited communication.

  • 📞 Service Experience: Long hold times, unreturned calls, or rude staff interactions.

  • 💸 Fees & Charges: Unexpected or unexplained fees on closed or inactive accounts.

  • 🏠 Loan/Mortgage Concerns: Delays, errors in repayments, or dissatisfaction with approvals.

  • 🤝 Hardship Handling: Poor responses to financial hardship requests, an issue even ASIC has investigated.

  • 🧾 Admin Errors: Mistakes in processing, account closures, or misdirected statements.

  • 📢 Mis-selling & Advice: Past complaints about being sold unsuitable products or poor financial advice.

⚠️ Most of these can be fixed, but only if you raise them.

Got an issue with
NAB
? Send your complaint instantly!

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Real
NAB
 complaints and how they were resolved

💰 Frozen Account After Car Sale

  • Issue: Large deposit flagged as suspicious. Account frozen without warning.

  • Fix: After escalating to AFCA, NAB reviewed the case, unfroze funds, and apologised.

💳 $5,000 Fraud Charge Delayed

  • Issue: Customer waited weeks for refund after disputed credit card fraud.

  • Fix: NAB refunded the full amount + interest once the complaint was pushed up the chain.

💵 Account Fee Charged on Closed Account

  • Issue: Ongoing monthly charges despite account being closed.

  • Fix: Refunded $60 in fees and apologised within one week of complaint.

How to escalate a complaint with NAB

If NAB hasn’t resolved your issue:

  1. 📈 Escalate Internally

    • Ask for a senior review or refer it to NAB Resolve.

    • Mention the Customer Advocate if your issue reflects a bigger fairness concern.

  2. 📬 Contact AFCA (Australian Financial Complaints Authority)

    • Free, independent, and binding for NAB if you accept their outcome.

    • Lodge if:

      • 30 days pass with no resolution, or

      • You’re not happy with NAB’s final response.

    • afca.org.au/make-a-complaint | 1800 931 678

  3. 🔍 Consider Other Regulators

    • Privacy issue? → Contact OAIC

    • Wider misconduct? → Notify ASIC or ACCC

  4. ⚖️ Legal Advice & Tribunals

    • If the matter is serious and unresolved by AFCA, small claims courts or community legal centres can help.

🧠 Tip: NAB pays a fee per AFCA complaint. so this option often sparks a faster fix.

Regulatory & Ombudsman Information for NAB

Your main avenues:

  • AFCA – Free, impartial dispute resolution.
    Make a Complaint | 1800 931 678
    Email: info@afca.org.au | Mail: GPO Box 3, Melbourne VIC 3001

  • ASIC – Report systemic financial misconduct.
    Submit to ASIC

  • ACCC – Lodge complaints about deceptive conduct or advertising.
    Contact ACCC

  • OAIC – Handles privacy breach complaints.
    Make a Privacy Complaint

  • Legal Aid & Counselling
    National Debt Helpline: 1800 007 007
    Consumer Action Law Centre (VIC), Financial Rights Legal Centre (NSW)

💡 Most customers never need to escalate this far—but these bodies are here if you do.

Official NAB Complaint Resources & Links

Need a
NAB
 resolution fast?

Submit your complaint with

NAB

now.

Need a
NAB
Resolution Fast?

📞 Call 13 22 00 or visit Telstra’s website to lodge your complaint today.