Quick answer
Companies, partnerships and trusts must have a separate business bank account. For sole traders it's optional but recommended by both the ATO and business.gov.au. A separate account makes bookkeeping and BAS simpler, protects your deductions, and gives lenders clean statements that show real business turnover. Switching is easiest done gradually over about a month: open the account, redirect income, then move regular payments.
Key points
- Required for companies, partnerships and trusts; recommended for sole traders.
- Cleaner records mean easier tax time and fewer missed deductions.
- Lenders read your statements; separate accounts tell a clearer story.
- Switch in stages: income first, then regular payments, then tidy-up.
Plenty of small businesses start life in the owner’s everyday account. A few jobs, a few invoices, a supplier payment here and there. It works, until tax time takes a weekend, your bookkeeper sends a list of “what’s this?” questions, or a lender asks for bank statements and you realise half of them are groceries and school fees.
A separate business account won’t make you more money on its own. It just makes everything else easier.
Is a separate business account required?
It depends on your structure:
| Structure | Separate account? |
|---|---|
| Sole trader | Not required, but recommended |
| Partnership | Required |
| Company | Required |
| Trust | Required |
Both the ATO and business.gov.au say partnerships, companies and trusts must have a separate business bank account, and both recommend it for sole traders so business and personal transactions stay apart.
Why does it make such a difference?
At tax time
The ATO’s record-keeping guidance asks you to work out the business portion of mixed expenses accurately and to reconcile regularly. When everything runs through one personal account, that’s a line-by-line sorting job. With a business account, most transactions are business by default. The result:
- fewer hours reconciling,
- fewer missed deductions, because business costs are easy to spot,
- fewer queries from your accountant or bookkeeper,
- cleaner BAS figures.
For your own decisions
A business account shows you, at a glance, whether the business is actually making money. Mixed accounts hide that. Many owners only realise how much they’re drawing, or how thin the margin is, after separating.
When you borrow
Lenders read bank statements closely; for many smaller unsecured options, they’re the main document. A clean business account lets a lender see turnover, regular costs and existing repayments quickly. A mixed account forces them to pick through personal spending, and the business can look smaller or messier than it is. We explain what lenders look for in bank statements for a business loan.
If you’re a sole trader thinking about finance while your accounts are still mixed, that’s okay. It can still be assessed. Mention it in your enquiry and we’ll explain how it’s handled; there’s no credit check just to ask.
What do I need to open one?
Business.gov.au says you’ll typically need:
- your business name,
- your primary business address,
- your ABN,
- your industry type,
- identification for all owners or partners.
Companies and trusts may also need company details or the trust deed. Your bank will tell you exactly what it requires.
A calm 30-day plan to switch
Switching everything in one day is how payments get missed. Do it in stages instead.
Week 1: Open and set up
- Open the business account and order a debit card.
- Set up internet banking and, if you use bookkeeping software, connect the bank feed.
- Decide on a regular amount to pay yourself.
Week 2: Redirect income
- Update your invoice template with the new account details.
- Update payment details with regular customers.
- Point card terminal and online payment settlements to the new account.
Week 3: Move regular business payments
- Move supplier direct debits, software subscriptions, insurance, phone and vehicle costs.
- Set up the ATO payment details for BAS if you pay by BPAY or direct debit.
- Keep a list of everything moved, and tick each off.
Week 4: Tidy up
- Set a regular transfer from the business account to your personal account for your pay.
- Watch the old account for stray business payments and redirect any you missed.
- Tell your accountant or bookkeeper the date you switched.
After a month, your statements tell a clean story. After three to six months, you’ll have a run of business-only statements, which is often what a lender wants to see.
Should I have more than one business account?
Some owners find it helpful to add a second account as a holding account for GST, PAYG withholding and super, moving a set percentage of each deposit across. That way, the money for the BAS is already sitting aside when it’s due. It’s optional, but it’s one of the simplest ways to avoid a tax bill becoming a debt. If you do this, remember to include both accounts when a lender asks for statements.
How long should I keep the statements?
The ATO says banking records generally need to be kept for five years from when they were prepared or obtained, or when the transactions were completed, whichever is later. Download PDFs regularly and store them in a folder by financial year. It’s handy for tax time, and it means statements for a finance application are always ready. Our paperwork checklist builder will tell you how many months a lender is likely to want.
What if I’ve been mixing funds for years?
Don’t worry about the past; fix the future. You can’t change old statements, but you can:
- separate from today,
- reconcile the last few months carefully, flagging personal items,
- tell your accountant so they can tidy the records.
Our weekend plan for tidying your books before borrowing walks through the reconciliation step.
What are the common mistakes when switching?
A few things trip people up:
- Closing the old account too early. Stray payments keep arriving for months. Leave it open until it’s been quiet for a full cycle of your billing.
- Forgetting annual payments. Insurance, registrations and licences that renew once a year are easy to miss. Check last year’s statements for anything yearly.
- Paying personal bills from the business account “just this once”. It becomes a habit quickly. Transfer your pay first, then pay personal bills from your personal account.
- Not telling your bookkeeper. If they don’t know about the new account, their reconciliations won’t include it.
- Leaving card settlements on the old account. Payment terminals and online platforms each need updating separately.
A written checklist of every income source and every regular payment, ticked off as you move each one, avoids nearly all of these.
Does a separate account change what a lender checks on me?
Not whose credit is checked. If you’re a sole trader, your personal credit file is still the one a lender looks at, because you and the business are legally the same person. What changes is how easy your application is to read. Our page on business loans and your personal credit file explains how structure affects credit checks.
Illustrative example: the photographer’s switch
Illustrative only; not a real business.
A wedding photographer has run everything through her personal account for five years. At tax time, her accountant spends hours separating business from personal. She opens a business account in July, moves client payments in week two and her software and insurance in week three, and pays herself a set amount each fortnight. By the following summer, when she wants to finance a new camera kit and lighting, she has six months of clean business statements that show her real turnover at a glance.
Clean accounts, clear conversations
Separating your banking makes every future finance conversation simpler, but you don’t have to wait until it’s done to ask what’s possible. Our enquiry takes about 60 seconds, there’s no credit check when you first enquire, and your details go to our lending team rather than being sprayed around a pile of lenders. A real person calls and explains your options in plain English.
Please tell us on the form how your banking is set up today, mixed or separate. It’s a small detail that helps us point you to the right option first time.
Frequently asked questions
Do sole traders legally need a separate business account?
No. Business.gov.au and the ATO both say it isn't required for sole traders, but it's recommended so you can clearly track business income and expenses.
Do companies need a separate account?
Yes. The ATO and business.gov.au say partnerships, companies and trusts must have a separate business bank account.
What do I need to open a business account?
Business.gov.au says you'll typically need your business name, business address, ABN, industry type and identification for all owners or partners. Your bank may ask for more.
How long should I keep business bank statements?
The ATO says banking records must generally be kept for five years from when they were prepared or the transactions were completed, whichever is later.
Will a separate account help me get a loan?
It helps a lender see your true business turnover and costs quickly, which makes assessment simpler. It doesn't guarantee approval, but it removes a common source of delay.
Can I still pay myself from the business account?
Yes. The simplest approach is a regular transfer to your personal account, rather than paying personal bills directly from the business account.