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The First 100 Days: What New Business Owners Wish They'd Known

Here's something we've been thinking about a lot lately. It's one of those topics that comes up in almost every conversation we have with business owners — but.

By Andrew Northcott·5 April 2026·5 min read·Last reviewed 8 July 2026

The short answer

In your first 100 days, get the foundations right: register your business and ABN, sort GST and tax registrations if required, open a dedicated business bank account, set up bookkeeping from day one, and understand your obligations under the relevant modern award if you employ staff. Separate business and personal finances, keep records as you go, and line up an accountant early. Getting these basics in place prevents the expensive clean-ups that catch out most new owners.

The first hundred days of running your own business are less about the grand vision and more about a hundred small decisions that quietly compound. Get a few of the foundations right early and they carry you for years. Get them wrong and you spend the next couple of years untangling things you set up in a rush. Here's what tends to matter most, drawn from the patterns that come up again and again with new owners.

Sort the structure and the boring admin first

Before the exciting work, get the scaffolding right, because it's far cheaper to do now than to unwind later.

  • Business structure. Sole trader, partnership, company or trust each carry different tax, liability and cost implications. This is worth a proper conversation with an accountant before you commit, not a default choice you drift into.
  • Register the essentials. An ABN, GST registration once you're required to (or choose to), business name registration, and the licences or permits your industry and state require. Missing one of these surfaces at the worst possible time.
  • Separate your money from day one. A dedicated business bank account isn't optional book-keeping neatness — it's what keeps your accounting sane, your tax defensible and your personal finances distinct.

Build the money habits before you need them

Cash flow, not profit, is what actually sinks new businesses. A business can be profitable on paper and still fail because the money going out arrives before the money coming in.

Set up cloud accounting software early and reconcile it regularly rather than in a panic before each BAS. Understand the difference between profit and cash in the bank — a big invoice raised is not money you can spend until it's paid. And treat tax as money you're holding on someone else's behalf: the GST you collect and the tax on your profit aren't yours to spend. The owners who get caught out are almost always the ones who saw a healthy bank balance and forgot a chunk of it belonged to the ATO. Putting tax aside as it accrues, rather than scrambling at deadline, is the single habit new owners most often wish they'd started sooner.

Understand your obligations before your first hire

The moment you take on staff, a new layer of responsibility switches on, and "I didn't know" is not a defence. Before anyone starts:

  • Work out the correct Modern Award and classification for the role — this sets minimum pay, penalty rates and conditions, and getting it wrong means underpayment that accrues quietly until it doesn't.
  • Understand your superannuation, Single Touch Payroll and record-keeping obligations.
  • Get the basics of the Fair Work system — the National Employment Standards apply regardless of what any contract says.

Even a single casual employee brings all of this into play. The Fair Work Ombudsman is the authority worth reading before, not after, your first hire.

Don't build yourself into the centre of everything

In the early days you do everything yourself, and you should — it's how you learn how the business really works. The trap is never stopping. If every quote, every invoice, every decision and every password lives only in your head, you've built a business that can't function without you present. That's fine at a hundred days and dangerous at a thousand.

The habit to start early is writing things down as you do them. The first time you do a task, capture the steps. It costs a few extra minutes now and saves you from being the sole point of failure later. This is the seed of being able to eventually reduce founder dependency — and it's far easier to build in from the start than to retrofit once you're drowning.

Protect yourself against the obvious risks

A few unglamorous safeguards prevent the disasters that end young businesses:

  • Insurance appropriate to your trade — public liability, professional indemnity, and cover for your assets and income as relevant.
  • Written agreements with customers and suppliers, even simple ones. The handshake deal is fine until it isn't.
  • Basic cyber hygiene — multi-factor authentication, a password manager, and backups. Small businesses are targeted precisely because attackers assume the defences are weak.

The mindset that carries you through

The hundred days feel like chaos because they are. You don't need to perfect everything — you need to get the foundations sound and stay honest about what you don't yet know. Ask for help earlier than feels comfortable; a good accountant and a good HR resource pay for themselves many times over by stopping expensive mistakes before they happen. This is general information rather than personal financial, legal or tax advice — for your specific situation, get advice tailored to it. But if you sort the structure, respect the cash, understand your obligations, and resist building the whole business around yourself, you'll have done better than most in their first hundred days.

About the author

Andrew Northcott

Founder & Chairman, Valont

Andrew is the founder and chairman of Valont and the parent group Wattlestone. He has spent two decades building and running Australian SMEs, and writes about the realities of ownership — cash, people, systems, and the decisions that compound.

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