The Finance Algorithm
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Business Cash Reserve Savings

Earn interest on your collected GST and access your funds anytime you need them with our most popular business online savings account

Savings & transaction accountsBank updated 20 Oct 2026
Product page ↗Fees and pricing ↗Terms ↗

At a glance

Base rate
0.55%
Monthly fee
$0

How it compares

This account 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.

This account: 0.55%Every other institution's highest, 33 in all

Each institution's best interest-paying business account, base plus any bonus. One dot per institution, at its highest business savings rate anyone can apply for; hover or tap a dot for its name.

RateThis accountBest anywhereTypical institutionWhere it sits
Business savings accountEach institution's best interest-paying business account, base plus any bonus0.55%5.40%Great Southern Bank Business+'s Business+ Saver0.55%of 34 institutions15th highest of 34, level with 3 others

Rates

Every rate Westpac publishes for this account, 8 in all.

TypeApplies toTermBandRateComparisonConditions
Variable--up to $4,9990.55%-paid every 1 mo; Min deposit amount
Variable--$10,000–$24,9990.55%-paid every 1 mo; Min deposit amount
Variable--$1,000,001+1.45%-paid every 1 mo; Min deposit amount
Variable--$25,000–$49,9990.55%-paid every 1 mo; Min deposit amount
Variable--$250,000–$499,9991.30%-paid every 1 mo; Min deposit amount
Variable--$5,000–$9,9990.55%-paid every 1 mo; Min deposit amount
Variable--$50,000–$249,9990.75%-paid every 1 mo; Min deposit amount
Variable--$500,000–$999,9991.30%-paid every 1 mo; Min deposit amount

Rate changes

8 changes logged, newest first.

DateRateWasNowChange
11 Oct 2026Variable, up to $4,9990.45%0.55%up 0.10
11 Oct 2026Variable, $10,000–$24,9990.45%0.55%up 0.10
11 Oct 2026Variable, $1,000,001+1.30%1.45%up 0.15
11 Oct 2026Variable, $25,000–$49,9990.45%0.55%up 0.10
11 Oct 2026Variable, $250,000–$499,9991.15%1.30%up 0.15
11 Oct 2026Variable, $5,000–$9,9990.45%0.55%up 0.10
11 Oct 2026Variable, $50,000–$249,9990.60%0.75%up 0.15
11 Oct 2026Variable, $500,000–$999,9991.15%1.30%up 0.15

Each change is logged the night it appears in the rates Westpac publishes. See how every lender answered the RBA on the rate tracker.

Fees

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

While you hold it1

  • Account Keeping Fee
    No fee

When you make a transaction6

  • Cheques Collected / Deposited

    Cheques collected or deposited (Additional charge for the branch transaction applies)

    $3
  • Self-Service (Electronic) Deposits
    No fee
  • Staff-Assisted Deposit
    $3
  • Periodical Payments
    No fee
  • Self-Service (Electronic) Withdrawals
    No fee
  • Staff-Assisted Withdrawal

    These transactions are not available, however if they occur, a $3.00 fee will be charged for each transaction.

    $3

When particular things happen3

  • Online Banking

    Account enquiries are always free when you use Online Banking.

    No fee
  • Overdrawn Fee

    $15.00 per occurrence

    $15
  • Telephone Banking

    Unlimited free self-service enquiries

    No fee

Features

Digital bankingFraud protectionUnlimited transactions
  • No account-keeping fees: Earn interest on your surplus funds, noting that zero interest rates may apply from time to time.
  • $0 linked account transfers: Move cash to and from your Westpac transaction account via Online Banking or the Westpac App.
  • Access your money 24/7: Get access to your savings at anytime, anywhere. Access to funds subject to system availability.
  • Bucket your savings: Create multiple accounts for expenses like GST and tax to avoid a cash flow crunch when payments are due
  • Tiered interest is paid on certain balances
  • Interest is paid on a monthly basis.
  • You have a choice of 3 or 6 monthly statements.
  • Unlimited free self-service enquiries.
  • Account enquiries are always free when you use Online Banking.

Eligibility and limits

  • Minimum age 18
  • Residency: Operating in Australia with an Australian address
  • Eligible entities include sole traders, partnerships, companies, associations, self-managed super funds, trusts and not-for-profit organisations
  • Must not be an individual using the account for predominantly personal purposes
  • Needs an eligible Westpac business transaction account to link to.

Published by Westpac under the Consumer Data Right, last changed by them on 20 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.