NDA Checklist: What to Check Before Signing a Confidentiality Agreement When Buying a Business in Australia

Nigel Gordon··Deal Sourcing

The confidentiality agreement (also called a non-disclosure agreement, or NDA) is the first legal document you'll sign in almost every business purchase in Australia. It comes before you see the financials, before you get the information memorandum, and well before you do any formal due diligence. You sign it to get access to information about the business. The seller signs it to protect themselves while that information is in your hands.

Most buyers sign NDAs without reading them. They get an email from the broker with a one-page PDF attached, they scroll to the bottom, they sign, and they move on. Which is understandable — you're excited about the opportunity, it feels like a formality, and you don't want to be the buyer who killed the deal before it started by asking for redlines on a standard document.

But NDAs are not always standard, and some of the clauses in them have real consequences for how long it takes to buy a business in Australia — and what you can do if the deal doesn't proceed.

What the NDA actually covers

A business sale confidentiality agreement typically covers three things:

  • Confidentiality obligations: You agree not to disclose information about the business to third parties — competitors, staff, customers, your mates at the pub — during and sometimes after negotiations.
  • Permitted disclosures: Carve-outs for advisors (your accountant, solicitor, financier) who need the information to help you evaluate the deal.
  • Non-solicitation clauses: Restrictions on approaching the seller's employees or customers independently of the deal.

Most of what's in a standard broker NDA is reasonable. But there are clauses that go beyond standard, and some that are actively buyer-hostile. Knowing the difference takes about five minutes once you know what to look for.

Three things most buyers don't check

1. The definition of "confidential information." Some NDAs define this so broadly that the fact that you're even looking at the business is confidential. Which means if the deal doesn't proceed and you later look at a similar business, you could technically be in breach if any information you absorbed during the first process influenced the second. This matters most if you're looking at businesses in a narrow industry where the same buyers circle the same opportunities repeatedly.

2. The non-solicitation carve-out. You'll almost certainly need to share deal information with your accountant, solicitor, and bank. The NDA should explicitly permit this, limited to people "with a need to know." If it doesn't, ask for it — no reputable seller will refuse this.

3. The term. How long does the confidentiality obligation last? One year is standard. Two years is acceptable. Open-ended or "in perpetuity" clauses are not standard and worth pushing back on.

These aren't reasons to walk away — they're just clauses to read and, if necessary, redline before you sign.


For a broader look at the deal sourcing process and what comes after the NDA, see the off-market deal sourcing section of the Playbook and the initial deal screening checklist for what to do once you have access to the information.

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