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ING Business Optimiser

Optimise your excess business capital in an online savings account that pays you bonus interest for new accounts.

Link it to your business’ transaction account and you could have total access to your money when you need it, and the freedom of adding to your savings when you don’t. You need to maintain a minimum balance of $50,000 in your Business Optimizer Account.

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1.00% p.a.

Maximum variable rate


Base interest rate

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Product NameING Business Optimiser
Maximum Variable Rate1.00% p.a.
Standard Variable Rate0.10% p.a.
Monthly Account Fee$0
Minimum Opening Deposit$0
Minimum Age18

Review by

Shirley Liu is Finder's global program manager. She was previously the publisher for banking and investments and has also written comparisons for energy, money transfers, Uber Eats and many other topics. Shirley has a Master of Commerce and a Bachelor of Media, Journalism and Communications from the University of New South Wales. She is passionate about helping people find the best deal for their needs.

Expert review

ING is an online bank – be prepared to do most of your banking online.

Key features

A fee-free savings account

You pay no fees to ING for the savings account, although there could be fees with the transaction account that it is linked with.

0.1% p.a. standard interest rate

The ING Business Optimiser offers a competitive standard rate of interest.

Launch savings calculator

How to apply

If you have determined that the ING Business Optimiser is the type of account that can boost your business savings, you can start an online application by visiting ING website.


There will be some eligibility requirements that you will need to meet before getting started, such as:

  • Minimum age. This account is only available for individuals aged 18 and over.
  • Residency requirements. You must be an Australian resident with an Australian residential address.


Ask an expert

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  1. Default Gravatar
    March 13, 2020

    Can clients pay directly into the Business Optimiser account?

    • Default Gravatar
      March 13, 2020

      Hi Debb,

      Thank you for reaching out to Finder.

      Your clients may not directly deposit their payment to the ING Business Optimiser Account. Rather, you should have a Transaction Account linked to your Business Optimiser Account, which should be under the same Business Name, to which your clients will be depositing their payments to. Then you may have up to 4 authorised employees who will manage your Business Optimiser Account, to transfer money in and out of the account from your linked Transaction Account.

      Please make sure that you’ve read the relevant T&Cs or PDS of this account to help consider whether the product is right for you.

      I hope this helps.


  2. Default Gravatar
    August 14, 2019

    Hi, we are current ING account holders, am I able to open a ING Business Optimiser account?

    • Default Gravatar
      August 14, 2019

      Hi MacDonnells Law,

      Thanks for leaving a question. If you are an existing ING client? Just login to Online Banking, go to ‘Apply for Products’, choose “Business”, then “Business Optimiser” and following the prompts.

      Along with your application form, you need to mail ING:

      1. certified documents to verify your business;
      2. an original encoded deposit slip from the bank account you wish to link.
      Alternatively, a recent bank statement (no more than 6 months old)
      3. a copy of identification documents for each nominated authorized user such as a current Australian Drivers License, Birth Certificate or Australian Passport

      If you are able to visit Sydney CBD, one of ING’s staff at the ING Lounge can assist you with your online application.

      Hope this helps. Feel free to reach out to us again for further assistance.


  3. Default Gravatar
    February 6, 2019

    I am interested in opening an ING Business Optimiser Account. Do I have to open a separate linked account with ING or can I use my existing Westpac business account?

    • Avatarfinder Customer Care
      February 11, 2019

      Hi Warren,

      Thank you for getting in touch with finder.

      You may use your existing Westpac business account. As per the FAQ part of this page you’re looking at, the account you link to the Business Optimiser must be a business account, and it can be from any Australian institution. The account must have a BSB and account number.

      I hope this helps.

      Thank you and have a wonderful day!


  4. Default Gravatar
    December 20, 2018

    Hi, im looking at the high intrest saving account fr business. when you say that the intro offer is 2.5% p.a for 6 months.
    Can you please explain how much interest do I make in 1 month? and could I leave the money for 5 months only?

    • Default Gravatar
      December 20, 2018

      Hi Anna,

      Thanks for getting in touch! The introductory 2.5% offer for 6 months means that the amount on the account will earn 2.5% each month in the first 6 months when you open an account. Your interest is calculated daily on the closing balance and added to your account at the end of each month, so you earn interest on your interest. You can withdraw the money anytime it’s needed and there is no minimum balance to keep the account. Hope this clarifies!


  5. Default Gravatar
    December 19, 2018

    Could I open a bank account and a savings account in ING Business Optimiser, in the name of a discretionary or family trust?

    • Default Gravatar
      December 20, 2018

      Hi Trish,

      Thank you for contacting finder.

      Yes, you may open an ING Business Optimiser account under a Family Trust but the Authorised Users should not exceed 4 trustees.

      I hope this helps.

      Please do not hesitate to reach out again if you have additional questions.


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