Non-disclosure agreement (NDA)
A non-disclosure agreement is a contract in which a prospective buyer agrees to keep a seller’s confidential information private and to use it only to evaluate the purchase. It is the first document in almost every business sale, because a seller cannot show real financials to a stranger without one.
Confidentiality is not a formality in a business sale. If staff, customers or competitors learn a business is for sale before the owner is ready, the damage is real and immediate — key employees start looking, customers hesitate to renew, and competitors go after accounts. The NDA is what allows a seller to open the books at all.
What a good NDA covers
- What counts as confidential, including the fact that the business is for sale
- That the information may be used only to evaluate this transaction
- Non-solicitation of employees and customers for a defined period
- Who else the buyer may share information with — lender, accountant, lawyer — and on what terms
- What happens to the information if the deal does not proceed
What it does not do
An NDA does not oblige either side to do a deal, and it does not prevent a buyer from using general knowledge and skill they already had. It also cannot un-ring a bell: enforcing one after a breach means proving loss, which is difficult and slow. Sellers manage that risk by staging what they disclose, releasing the most sensitive material only to buyers who have demonstrated funding.
Sources
This definition is checked against primary sources. Links were last confirmed on the dates shown.
- 01Canada Revenue AgencyGovernmentSelling a business
- 02Treadstone LawLegal commentaryBuying & Selling a Business
- 03Treadstone LawLegal commentaryHow to Prepare a Business for Sale in Ontario
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