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Commercial overdrafts

See a list of the top business overdrafts

ANZ Bank

Unsecured business overdrafts with ANZ GoBiz

Interest Rate: from 16.20%

Sum: from 2,000.00$ to 300,000.00$

Draw on funds as you need them

Only pay interest on the amount you use

No application paperwork or need to visit a branch

Australia and New Zealand (ANZ)

ANZ Bank

ANZ Business Overdrafts

Sum: from 2,000.00$

Flexible repayment options

Flexible loan terms

Easily access funds

No repayment deadline

Bank of Melbourne

Bank of Melbourne

Commercial Overdraft

Flexible short–term finance

Variable interest rate

Approved limit

Flexible repayment options

Bank of Melbourne

Unsecured Commercial Overdraft

No fixed term, pay what you can, when you can - as long as the overdraft stays under the limit​

Interest is calculated daily on the balance owing, and charged monthly

Bank of Queensland

Bank of Queensland

Business Overdraft

Interest Rate: from 12.01%

Sum: from 10,000.00$

Conveniently linked to your business account

Flexible credit

Interest only repayments

Range of access options

Beyond Bank Australia

Beyond Bank Australia

Business Overdraft

Interest Rate: from 8.84% to 12.99%

Sum: from 10,000.00$

Business Loan

Business Investment Loan

Business Overdraft

Commonwealth Bank of Australia

CommBank

Business overdraft

Interest Rate: from 8.35% to 11.93%

Sum: from 2,000.00$

Control your cash flow

Competitive rates

Revolving credit facility

IMB Banking & Financial Services

IMB Banking

Overdraft

Interest Rate: from 7.84% to 10.84%

Types of loans: Secured and Unsecured

Types of security: May be secured by residential, commercial or industrial property

National Australia Bank

NAB

NAB Business Overdraft

Sum: from 5,000.00$ to 50,000.00$

No security required

Access funds in your account in as little as one business day

Ideal for small and medium sized businesses

NAB

NAB QuickBiz Overdraft

Interest Rate: from 16.00%

Sum: from 5,000.00$ to 50,000.00$

Manage your cash flow

Pay for what you use

Easy online application with instant decision

Service fee: 1.75%

St. George Bank

St. George Bank

Commercial Overdraft

Flexible short–term finance

Variable interest rate

Approved limit

Flexible repayment options

Suncorp Bank

Suncorp Bank

Business Overdraft

Interest Rate: from 10.24%

Sum: from 10,000.00$

Variable interest rate with no set term and ongoing limit

Interest charged on the portion of the overdraft that is used, no principal payments

Westpac Bank

Westpac Bank

Business overdraft

Interest Rate: from 8.11%

Access extra funds anytime

Only pay interest on what you use

No regular amount or time frame to make repayments

Video Guide

Useful video Play

What is a business overdraft? Can I get an overdraft on my business account?

It is a type of short-term financing facility that banks provide to businesses, allowing them to withdraw more money than is available in their business transaction account up to a predetermined limit. It is provided on your business account and acts as a safety net to cover temporary cash flow shortages or unexpected expenses, providing businesses with flexibility and liquidity to manage their finances effectively.

The key points of business overdrafts are:

  1. Flexible Funding - a business overdraft provides businesses with flexible access to funds, allowing them to borrow money as needed up to the approved limit. It can be used to cover various expenses, such as paying suppliers, covering payroll, or managing fluctuations in cash flow.
  2. Revolving Credit Facility - a business overdraft is a revolving credit facility, meaning the available credit replenishes as funds are repaid. As long as the business stays within the approved limit and meets the bank's terms and conditions, it can access funds when needed.
  3. Overdraft Limit - banks set an overdraft limit based on the business's financial profile and credit assessment. The limit represents the maximum amount of funds that the company can overdraw from its transaction account.
  4. Usage - business overdrafts are commonly used by businesses of all sizes and across various industries to manage short-term cash flow needs, cover unexpected expenses, or take advantage of growth opportunities. It acts as a safety net to cover temporary cash flow shortages or unexpected expenses, providing businesses with flexibility and liquidity to manage their finances effectively.

Business loan calculations for 3 years (example)

Amount, $ Rate, % Accrued %, $
20,000 9.20% 2,837
20,000 11.20% 3,453
20,000 13.20% 4,070
50,000 9.30% 7,169
50,000 11.30% 8,710
50,000 13.30% 10,252
200,000 9.40% 28,983
200,000 11.40% 35,150
200,000 13.40% 41,317
500,000 9.50% 73,229
500,000 11.50% 88,646
500,000 13.50%

104,063

You can make more detailed calculations using the financial calculators on our website.

Can a commercial overdraft be unsecured?

Yes, in an unsecured business overdraft, the bank extends credit to the business based on its creditworthiness, financial stability, and repayment capacity, without requiring the business to pledge assets as security.

To obtain an unsecured business overdraft, businesses must undergo a credit assessment by the bank. The bank evaluates the business's credit history, financial performance, cash flow projections, and repayment capacity to determine its creditworthiness. As a result, banks may impose stricter eligibility criteria, such as requiring businesses to have a strong credit history, stable cash flow, and proven ability to repay the overdraft facility.

Interest rates on unsecured business overdrafts are typically higher than those on secured overdrafts or other forms of secured financing. The higher rates reflect the increased risk to the lender and the lack of collateral to mitigate potential losses.

Banks set a credit limit for unsecured business overdrafts based on the business's creditworthiness and financial profile. The credit limit represents the maximum amount of funds that the business can overdraw from its transaction account.

How do I calculate the costs of my business overdraft?

Calculating the costs associated involves considering several factors, including the interest rate, overdraft limit, usage fees, and any other applicable charges. 

Start by determining the approved overdraft limit on your business account. This represents the maximum amount of funds that you can overdraw from your account.Find out the interest rate that applies to your business overdraft. Business overdraft interest rates can be variable or fixed and are typically higher than standard business loan rates due to the short-term nature of the facility.

Determine the amount of funds you've used from the overdraft facility during a specific period (e.g., monthly). Multiply the outstanding balance by the applicable daily interest rate to calculate the daily interest charge, then multiply the daily interest charge by the number of days in the billing period to determine the total interest charge for the period. Repeat this calculation for each billing period to estimate your ongoing interest costs.

Some banks may charge usage fees or transaction fees for each withdrawal or transfer made from the overdraft facility. Review your bank's fee schedule to identify any applicable usage fees and estimate your total usage costs based on your expected transaction volume.

Banks may impose other charges associated with the overdraft facility, such as annual fees, establishment fees, overdraft renewal fees, and overdraft limit fees. Review your bank's terms and conditions to identify any other charges that may apply and factor them into your cost calculations.

Add up the total interest charges, usage fees, and any other applicable charges to determine the total cost of your business overdraft for a specific period (e.g., monthly, quarterly, annually).

See the similar FAQ about Australian banks:

Details of companies offering the financial services:

ANZ Bank

Head office’s address: 833 Collins Street

Contact center: 13-13-14

Phone: 61-3-9683-9999

Mail address: 833 Collins Street Docklands, Melbourne

Web-site: http://www.anz.com

Swift code: ANZBAU3M

Financial institution code: ANZ

Stock code: ANZ

ABN: 11 005 357 522

BSB: 015-891

ANZ Bank

Head office’s address: 833 Collins Street

Contact center: 13-13-14

Phone: 61-3-9683-9999

Mail address: 833 Collins Street Docklands, Melbourne

Web-site: http://www.anz.com

Swift code: ANZBAU3M

Financial institution code: ANZ

Stock code: ANZ

ABN: 11 005 357 522

BSB: 015-891

Bank of Melbourne

Head office’s address: 525 Collins Street

Contact center: 61-132266

Phone: 61-3-9982-4186

Mail address: 525 Collins Street Melbourne

Web-site: https://www.bankofmelbourne.com.au/

Swift code: SGBLAU2S

ABN: 33 007 457 141

BSB: 193-879

Bank of Melbourne

Head office’s address: 525 Collins Street

Contact center: 61-132266

Phone: 61-3-9982-4186

Mail address: 525 Collins Street Melbourne

Web-site: https://www.bankofmelbourne.com.au/

Swift code: SGBLAU2S

ABN: 33 007 457 141

BSB: 193-879

Bank of Queensland

Head office’s address: 100 Skyring Ter

Contact center: 61-1300-557-272

Mail address: 100 Skyring Ter L 6, Newstead, Queensland, 4006

Web-site: http://www.boq.com.au/

Stock code: BOQ

ABN: 32 009 656 740

BSB: 124-001

Beyond Bank Australia

Head office’s address: 100 Waymouth St

Contact center: 13-25-85

Phone: 61-8-8205-8888

Mail address: GPO Box 1430 Adelaide SA 5001

Web-site: http://www.beyondbank.com.au

Swift code: CUSCAU2S

ABN: 15 087 651 143

BSB: 805022

CommBank

Head office’s address: 201 Sussex Street

Contact center: 13-22-21

Phone: 61-2-8055-4001

Mail address: Level 10, Tower One, Darling Park, 201 Sussex Street

Web-site: https://www.commbank.com.au/

Swift code: CTBAAU2S

Stock code: CBA

ABN: 48 123 123 124

IMB Banking

Head office’s address: 47 Burelli St

Contact center: 61-133-462

Mail address: 47 Burelli St, Wollongong, NSW, 2500

Web-site: https://www.imb.com.au

Swift code: IMTIAU21

BSB: 641-800

NAB

Head office’s address: 800 Bourke Street

Contact center: 13-22-65

Phone: 61-3-8566-7023

Mail address: Level 4, 800 Bourke Street, Docklands, VIC

Web-site: http://www.nab.com.au/

Swift code: NATAAU3303M

Financial institution code: NAB

Stock code: NAB

BSB: 086-027

NAB

Head office’s address: 800 Bourke Street

Contact center: 13-22-65

Phone: 61-3-8566-7023

Mail address: Level 4, 800 Bourke Street, Docklands, VIC

Web-site: http://www.nab.com.au/

Swift code: NATAAU3303M

Financial institution code: NAB

Stock code: NAB

BSB: 086-027

St. George Bank

Head office’s address: 275 Kent Street

Contact center: 13-33-30

Phone: 61-2-9553-5333

Mail address: St.George Bank Locked Bag 1 Kogarah NSW 1485

Web-site: http://www.stgeorge.com.au/

Swift code: SGBLAU2S

Financial institution code: STG

Stock code: SGB

ABN: 33 007 457 141

BSB: 112-908

Suncorp Bank

Head office’s address: 80 Ann Street

Contact center: 13-11-55

Phone: 61-7-3362-2222

Mail address: PO Box A50 Sydney South NSW 1235

Web-site: http://www.suncorpbank.com.au/

Swift code: METWAU4B

ABN: 66 010 831 722

BSB: 484-799

Westpac Bank

Head office’s address: 275 Kent Street

Contact center: 13-20-32

Phone: 61-2-9155-7700

Mail address: 275 Kent Street, Sydney, NSW

Web-site: https://www.westpac.com.au/

Swift code: WPACAU2S

Financial institution code: WBC

Stock code: WBC

ABN: 33 007 457 141

BSB: 032-063