NAB Business Overdraft

Manage peaks and troughs in your cash flow with an overdraft on your transaction account, starting from $20K.

OverdraftsBank updated 10 Oct 2026

Apply at National Australia Bank ↗Product page ↗Fees and pricing ↗Terms ↗

At a glance

Variable: 10.97%
Loan size: $20,000 to no maximum

How it compares

This overdraft in ink, against the best that every other institution publishes for anyone to apply for. Each figure is counted the same way for all of them.

Typical 10.06%

10%12%14%16%18%

This overdraft: 10.97%Every other institution's lowest, 11 in all

Lowest advertised rate; most are variable. One dot per institution, at its lowest business overdraft rate anyone can apply for; hover or tap a dot for its name.

Typical 10.06%

10%12%14%16%18%

This overdraft: 10.97%Every other institution's lowest, 11 in all

Lowest advertised rate; most are variable. One dot per institution, at its lowest business overdraft rate anyone can apply for; hover or tap a dot for its name.

Rate	This overdraft	Best anywhere	Typical institution	Where it sits
Business overdraftLowest advertised rate; most are variable	10.97%	8.24%IMB Bank's Commercial Credit line	10.06%of 12 institutions	10th lowest of 12
Business overdraftLowest advertised rate; most are variable	10.97%	8.24%IMB Bank's Commercial Credit line	10.06%of 12 institutions	10th lowest of 12

Rates

Every rate NAB publishes for this overdraft, 3 in all.

Type	Applies to	Term	Band	Rate	Comparison	Conditions
VariableCustomer margin may apply	-	-	$1+	10.97%	-	Based on customer relationship
VariableCustomer margin may apply	-	-	$1+	10.97%	-	Based on customer relationship
VariableCustomer margin may apply	-	-	$1+	10.97%	-	Based on customer relationship

Fees

3 fees published, grouped by when they're charged.

When you take it outUp to $2502 fees, each listed below
While you hold it0.75% of balance a monthService Fee
When you close it or pay it offNo fee published

When you take it out2

Renewal Fee
$250
Application Fee
NAB may waive or discount fees at its discretion, as part of a package or promotional offer.
0.75% of balance

While you hold it1

Service Fee
0.75% of balance a month

Features

Guarantor optionInstant paymentsPayIDDigital bankingUnlimited transactionsRelationship managerOverdraft

Eligibility and limits

Amount from $20,000, no maximum
Lending criteria apply

Compare it with others

All overdrafts Other National Australia Bank overdrafts Everything National Australia Bank publishes

Put this product through a calculator

Published by National Australia Bank under the Consumer Data Right, last changed by them on 10 Oct 2026. Figures are shown as the institution publishes them and can change without notice; confirm on their site before applying. The Finance Algorithm earns nothing from any product listed here.