National Australia Bank
Banking / financial services, Melbourne, VIC (395 Bourke Street)
National Australia Bank (NAB) is an Australian multinational bank and one of the country's 'big four' banks. It provides personal, business, institutional and wealth-management banking services, and positions itself as Australia's largest business bank.
NAB was formed on 1 October 1981 through the merger of the National Bank of Australasia (established 1858) and the Commercial Banking Company of Sydney (established 1834). Headquartered in Melbourne, it serves millions of customers primarily in Australia and New Zealand, with additional operations in Asia, the UK and the US. NAB manages around a trillion dollars in total assets, employs tens of thousands of staff, and is listed on the Australian Securities Exchange.
Fast facts
| Legal name | National Australia Bank Limited |
|---|---|
| Ticker | ASX: NAB |
| Headquarters | Melbourne, VIC (395 Bourke Street) |
| Founded | 1893 (incorporated; National Australia Bank formed 1982 merger) |
| Sector | Banking / financial services |
| Revenue | ~A$59B total revenue (FY2025, per aggregator data) |
| Employees | ~41,000 (2025) |
| CEO | Andrew Irvine (Group CEO & Managing Director since Apr 2024) |
| Website | nab.com.au |
Key facts
- Headquartered in Melbourne, Victoria, Australia
- Formed on 1 October 1981 by merger, with predecessor banks dating to the 1800s
- One of Australia's 'big four' banks and its largest business bank
- Listed on the Australian Securities Exchange (ASX: NAB)
- Serves more than 8 million customers with around A$1.1 trillion in total assets
Frequently asked questions
What is National Australia Bank?
When was NAB formed?
Where is NAB headquartered?
Sources
- https://www.ibisworld.com/australia/company/national-australia-bank-limited/12/
- https://www.nab.com.au/about-us/executive-leadership-team/andrew-irvine
- https://grokipedia.com/page/National_Australia_Bank
- https://www.relbanks.com/oceania/australia/national-australia-bank
- https://banksdaily.com/info/nab
Last verified 2026-07-13. Professionally-public, sourced information only.