Anja Pich is a commercial lawyer and the Managing Lawyer at Lawpath. She practises across all areas of commercial law and advises businesses of every size, from first-time founders to established companies, on their legal, regulatory and commercial needs.
A principal place of business is the main address where your company actually carries on its business. A registered office is different: it’s the official address where ASIC, the courts and anyone chasing your company for money can send legal documents. Both must be physical street addresses in Australia, both appear on the public ASIC register, and they can be the same place or two different ones.
Most founders fill in both boxes in about thirty seconds while they register a company, then forget them. That’s fine until you move house, change accountants, or a creditor’s demand lands at an address nobody checks. Of the two, the registered office is the one that can quietly hurt you.
- Your principal place of business is where the company operates. It must be an Australian street address, never a PO box.
- Your registered office is the company’s legal letterbox. A document left at or posted to it counts as served, even if nobody opens it.
- They can be the same address. Plenty of small companies list one address twice, and that’s perfectly legal.
- You have 28 days to tell ASIC about a change to either one. Miss it and ASIC charges $102, rising to $428 once you’re more than a month late (2026-27 fees).
- Using someone else’s premises as your registered office needs their written consent. Get it signed before you lodge, then keep it with your company records.
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What is a principal place of business?
Your principal place of business is the hub of the company. It’s where the work happens and where decisions get made. For a café, that’s the café. For a solo consultant working from a spare bedroom, it’s the spare bedroom.
ASIC asks for it when you set up the company and prints it on your company extract. Anyone who searches your company can see it. It has to be a real street address in Australia. A PO box won’t do, and neither will a mail-forwarding service.
Here’s where older guides (including an earlier version of this one) get it wrong. ASIC does not choose your principal place of business when you trade from several sites. You nominate it. Pick the site where management sits and day-to-day control happens, not the busiest shopfront.
One more trap. ASIC’s register is not the only government record holding this address. Your ABN details on the Australian Business Register live in a separate system, and so does any registered business name. Updating one doesn’t update the others.
What is a registered office?
Think of the registered office as your company’s legal letterbox. The Corporations Act 2001 (Cth) requires every company to have one in Australia. ASIC sends official mail there too, unless you’ve appointed a registered agent or nominated a separate contact address.
It doesn’t need to be where you work. Accountants’ offices, law firms, a director’s home and commercial registered office services are all common choices. What matters is that someone reliable checks the mail.
If your company doesn’t occupy the premises, you need the occupier’s written consent. ASIC’s online change form asks you to confirm it. Get the letter signed first, then lodge.
Some articles tell Pty Ltd owners their registered office must be open to the public for set hours each business day. That rule only applies to public companies. A proprietary company has no opening-hours obligation at its registered office, which is exactly why an accountant’s address or a home address works.
Registered office vs principal place of business: what’s the difference?
Short version: one address is about where you work, the other is about where you can be found by the law. Here’s how they compare side by side.
| Registered office | Principal place of business | |
|---|---|---|
| What it’s for | Receiving ASIC mail and legal documents served on the company | Showing where the company actually carries on business |
| Must be in Australia? | Yes | Yes |
| PO box allowed? | No | No |
| On the public ASIC register? | Yes | Yes |
| Can it be a third party’s premises? | Yes, with the occupier’s written consent | Only if your business genuinely operates from there |
| Legal documents served here count? | Yes, whether or not anyone reads them | Not by default |
| Deadline to notify a change | 28 days | 28 days |
Notice the second-last row. That’s the whole reason the registered office carries more legal weight than the address you actually trade from.
Why does the registered office matter so much?
Section 109X of the Act lets anyone serve a document on your company by leaving it at, or posting it to, the registered office shown on the ASIC register. Service is complete at that point. Whether a human ever opens the envelope is your problem, not theirs.
Statutory demands are the scary example. A creditor serves one at your registered office, and your company then has 21 days to pay or apply to court to set it aside. Miss that window and the law presumes the company is insolvent. The creditor can then apply to wind it up. The Federal Court’s guide to statutory demands sets out the process.
The clock runs whether you saw the demand or not. Courts have watched this play out for decades.
- In Hadley v BetHQ Pty Ltd [2016] FCA 1263, a demand was validly served at the company’s virtual office in Brisbane. The company missed the 21 days and couldn’t argue the debt later.
- In West Homes Australia [2023] VSC 732, the demand went by post to the company’s accountant, who was its registered office. The director first heard about it when the winding-up application arrived.
- More recently, the Tax Office left a demand at a registered office the company said was permanently unattended. The court held service was valid, and the winding-up order stood.
There’s a smaller, everyday version too. After registration, ASIC posts your corporate key (the code you need to make changes online) to the registered office. Your annual review statement goes there every year unless you’ve appointed an agent. Miss the statement, miss the fee, and late charges stack up.
Already holding a statutory demand you didn’t know about? Don’t wait out the clock. Speak to one of our business lawyers the same day, because the 21-day deadline is close to immovable.
Which address should you use for each one?
There’s no single right answer. It depends on how your business runs and who opens the mail. This table covers the most common setups.
| Your situation | Principal place of business | Registered office | Watch out for |
|---|---|---|---|
| You work from home | Your home | Your home, or an accountant or service if privacy matters | Your home address becomes searchable on the ASIC register |
| Shop, clinic or office | The premises | The premises, or your accountant | A lease ending means two addresses to update, not one |
| Several sites | The site where management sits | Whichever address gets mail checked daily | Don’t default to the busiest site |
| Online business, no premises | Where you actually run it (usually home) | Home or a registered office service | A virtual office can’t be your principal place of business unless you work there |
| Accountant handles your compliance | Where you trade | The accountant’s office, with consent | Changing accountants means changing your registered office |
| Directors based overseas | Your Australian operating base | An Australian address only | There’s no option to use a foreign address |
What about privacy if you work from home?
Both addresses sit on the public register. List your home for both, and anyone who buys your company extract can see where you live. For a one-person consultancy that rarely deals with the public, that’s a fair trade.
For a trades business, a retailer or anyone handling disputes with customers, think twice. Moving the registered office to an accountant or a service takes one address off the register. Your principal place of business still has to tell the truth about where you operate. Our guide on using a residential address as your registered office walks through the trade-offs.
Can you use your accountant’s office or a registered office service?
Yes. It’s one of the most sensible setups for a growing company, as long as you buy the right thing. A genuine registered office arrangement gives you three things: a real street address, a signed consent letter from the occupier, and someone who will accept a served document and tell you about it fast.
Mail forwarding and hot-desk memberships without a consent letter aren’t registered offices, whatever the sales page says. ASIC will still accept your lodgement. You only discover the gap when a notice goes missing.
Before you sign up, ask the provider four questions:
- Will you give me a signed occupier consent letter?
- Will your staff accept a document served by hand during business hours?
- How fast do you scan or forward legal mail, and who do you contact?
- What happens to my mail over the Christmas shutdown?
That last one sounds petty. It isn’t. Demands delivered on Christmas Eve to closed offices are a well-known problem, because the 21 days keep running through the holidays.
The biggest risk with an accountant’s address is breaking up with your accountant. Nobody remembers to move the registered office when they move the books. Put it on the same checklist as transferring your Xero file.
Do sole traders and partnerships need a principal place of business?
Only companies have a registered office. Sole traders and partnerships don’t need one, because there’s no separate legal entity to serve documents on.
A principal place of business still turns up, though. Register a business name and ASIC asks for a principal place of business plus an address for service of documents. Same rules: a physical Australian address, kept up to date. If you later incorporate and move the business name across to the company, check both records match.
What else is tied to your principal place of business?
More than the ASIC register. A company has to display its name prominently at every place of business open to the public, so a new shopfront needs signage on day one.
Then there are your contracts. Most commercial agreements have a notices clause naming the address where formal notices go. Move premises without telling your landlord, suppliers or key customers in writing, and their termination or default notice can land at an empty office while still counting under the contract. Pull out your top five agreements and check the notices clause whenever you move.
Insurance is the quiet one. Your policy schedule lists a business address and your risk profile is priced on it. Moving a warehouse without telling your insurer is a fast way to argue about a claim later.
How do you change your company addresses with ASIC?
Changing either address is a 20-minute job if you have your corporate key handy. Here’s the order to do it in.
- Record the decision. A directors’ resolution to change the registered office or a directors’ resolution to change the principal place of business keeps your company records straight.
- Get the occupier’s written consent if your company won’t occupy the new registered office.
- Lodge the change online within 28 days. ASIC’s page on changing company addresses explains the form, and you can tick both address types in one lodgement if they’re moving together.
- Update everything ASIC doesn’t: your ABN record, any business name, your bank, insurer, invoices, website footer and email signatures.
- Arrange for mail at the old address to be checked for at least a month.
Why step five? A new registered office takes effect seven days after you lodge at the earliest. Lodging on moving day doesn’t switch the address that day. For that first week, documents served at the old address still count.
Late lodgement costs $102 for up to a month and $428 after that in 2026-27. Those fees are indexed every 1 July, so an old article quoting smaller numbers is out of date. Our step-by-step guide to updating your registered office address covers the ASIC screens in detail.
Rather not deal with ASIC forms every time something moves? Lawpath’s ASIC Compliance Plan covers unlimited company changes and your annual review for one yearly fee, and Lawpath can act as your ASIC agent so official correspondence comes to us.
What mistakes do founders make with company addresses?
None of these feel like a big deal in the moment. Each one has cost real companies money.
- Moving house and forgetting the company moved too. Home-based founders update their licence, their bank and their mum. The ASIC register stays at the old place.
- Leaving the registered office with a former accountant. Your old accountant has no reason to forward your mail quickly, and sometimes they send it straight back.
- Treating the principal place of business as the mailing address. ASIC writes to the registered office, agent or contact address. Your shopfront won’t get the annual statement.
- Listing a mail-forwarding address without a consent letter. ASIC accepts it. A court later won’t care that you thought it was fine.
- Assuming the ASIC update fixes everything. Your ABN, business name and state licences each need their own update.
Frequently asked questions about principal place of business and registered office
Is it “principal” or “principle” place of business?
Principal. It means “main”, so your principal place of business is your main place of business. Principle place of business” is a common misspelling, and it means the same thing to anyone searching for it, but ASIC forms and the Corporations Act use “principal.
Can my registered office and principal place of business be the same address?
Yes. Many small companies list one address for both. Separate them when privacy matters, when nobody checks mail at your trading address, or when your accountant or a registered office service handles your ASIC compliance.
Can my principal place of business be my home?
Yes, if that’s where you genuinely run the business. Just know the address will show on the public ASIC register. Check any council or strata rules too if clients, stock or signage are involved.
Can I use a PO box for either address?
No. Your registered office and principal place of business must both be physical street addresses in Australia. ASIC does let you nominate an optional contact address for its correspondence, and that one can be a PO box.
Do I need to tell ASIC if my principal place of business changes?
Yes, within 28 days, the same deadline as the registered office. Lodge the change online with your corporate key, or have a registered agent do it for you. Then update your ABN details separately.
What happens if I don’t update my registered office within 28 days?
ASIC charges a late fee: $102 for up to a month late, $428 after that (2026-27). The bigger risk is legal documents served at the old address. They still count as served on your company.
Does my registered office have to be in the same state as my business?
No. It has to be in Australia, not in any particular state. A Perth company can hold a Sydney registered office. What matters is that someone at that address will accept documents and pass them on quickly.
Can I use a virtual office as my registered office?
Yes, if the provider gives you a real street address, a signed occupier consent letter, and staff who will accept served documents. A virtual office can’t be your principal place of business unless your business genuinely operates from there.
If you’ve just realised your ASIC addresses are out of date, you’re not in trouble yet. Most companies drift out of sync at some point, and fixing it takes one lodgement. The founders who get caught are the ones who leave it until a demand turns up.
So pick the one thing to do this week. Let Lawpath update your company addresses with ASIC, and we’ll handle the paperwork and the deadline for you.
