TL;DR: An NDA protects confidential business information by legally binding the recipient not to disclose it. Always use an NDA before sharing sensitive information with potential partners, buyers, or contractors.
A Non-Disclosure Agreement (NDA) — also called a Confidentiality Agreement (CA) — is one of the most commonly used legal documents in business. Before sharing sensitive information with a potential business partner, investor, employee, or service provider, an NDA establishes legal obligations that prevent the recipient from disclosing or misusing that information.
NDAs are used in virtually every business context:
Despite their ubiquity, many business owners use poorly drafted NDAs, sign NDAs without reading them, or fail to use them at all when they should. This guide covers what a good NDA should contain and how NDA law varies across seven countries.
MmowW Scrib🐮 is a document preparation service, not a law firm. We do not provide legal advice.
Unilateral NDA: Only one party (the discloser) shares confidential information with the other (the recipient). Only the recipient is bound by confidentiality obligations. Used when one party will share information but the other will not — for example, when pitching to an investor.
Mutual NDA (MNDA): Both parties share confidential information with each other, and both are bound by confidentiality obligations. Used when both parties will exchange sensitive information — for example, in M&A negotiations where both companies share financial data.
When deciding which type to use, consider whether both parties will actually be sharing sensitive information. Using a mutual NDA where only one party will be disclosing is unnecessary and can create obligations you do not need to bear.
Definition of Confidential Information: Clearly defines what information is covered by the NDA. Can be broad (all information shared in connection with the purpose) or narrow (only marked or specified information). Broad definitions provide more protection; narrow definitions are clearer. For maximum protection, use a broad definition combined with a carve-out for publicly available information.
Permitted Purposes: States the specific purpose for which confidential information may be used. This is critical — it prevents the recipient from using your information for other purposes (such as developing competing products).
Exclusions from Confidentiality: Standard exclusions include information that: (a) is already publicly available; (b) was known to the recipient before disclosure; (c) is independently developed by the recipient; (d) is received from a third party without restriction; or (e) must be disclosed under law or court order.
Obligations of the Receiving Party: Not to disclose, not to copy beyond what's necessary, to use only for the permitted purpose, to protect with reasonable security measures, to disclose only to employees who need to know.
Duration: How long the obligations last. Typically 2–5 years for commercial NDAs, though trade secrets may have indefinite protection. Note that confidentiality obligations often survive termination of the NDA.
Return or Destruction of Confidential Information: What happens to the information when the NDA ends — return, destroy, or certify deletion.
Remedies: NDAs typically specify that breach will cause irreparable harm and that the disclosing party is entitled to injunctive relief (a court order to stop the breach) in addition to damages.
NDAs are not a complete solution. They cannot protect:
NDAs are a last line of defence. Limit access to sensitive information on a need-to-know basis, regardless of whether an NDA is in place.
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Try it free →| Country | NDA Enforceability | Maximum Duration | Key Limitation |
|---|---|---|---|
| 🇬🇧 UK | Generally enforceable — subject to reasonableness | Typically 2–5 years; trade secrets indefinite | Cannot prevent disclosure of wrongdoing (Public Interest Disclosure Act) |
| 🇫🇷 France | Enforceable — courts may limit scope | 3–5 years typical | Cannot prevent whistleblower reports |
| 🇸🇪 Sweden | Enforceable | Typically 2–3 years | Whistleblower protections apply |
| 🇦🇺 Australia | Enforceable — subject to reasonableness | Typically 2–5 years | Cannot override Fair Work Act provisions for employees |
| 🇳🇿 New Zealand | Enforceable | Typically 3–5 years | Cannot prevent protected disclosures |
| 🇨🇦 Canada | Enforceable — subject to reasonableness | Typically 2–5 years | Provincial employment law limits employee NDAs |
| 🇺🇸 USA | Enforceable — highly state-specific | Varies by state; typically 2–5 years | California limits employee NDAs significantly |
Key government resources:
MmowW Scrib🐮 can help you prepare NDA and confidentiality agreement documents as part of your business document preparation.
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MmowW Scrib🐮 is a document preparation service, not a law firm. We do not provide legal advice. NDAs should be tailored to your specific circumstances and reviewed by a qualified attorney, especially for sensitive transactions or employment contexts.
Q: Can an NDA prevent someone from going to the police or regulators?
A: No. NDAs cannot and should not prevent disclosure to police, regulatory authorities, or as part of protected whistleblowing. In the UK, the Public Interest Disclosure Act protects workers who report wrongdoing. In Australia, the Public Interest Disclosure Act 2013 provides similar protections. Clauses purporting to prevent such disclosures are typically void and may expose the company to significant legal liability.
Q: How do I enforce an NDA if it is breached?
A: Enforcement options include: (1) seeking an injunction to prevent further disclosure; (2) claiming damages for loss caused by the breach; (3) seeking an account of profits if the recipient benefited financially from the breach. Injunctions require urgent action — courts are reluctant to order injunctions if the applicant has delayed. Consult a qualified attorney immediately upon becoming aware of a breach.
Q: Do employees automatically have confidentiality obligations without a specific NDA?
A: In many countries, yes — the common law (or civil law equivalent) imposes implied duties of confidentiality on employees during employment. However, these implied duties may not extend to all information, and their duration after employment ends is uncertain. A well-drafted NDA in the employment contract provides much clearer and more comprehensive protection. Consult a qualified employment attorney regarding the appropriate provisions for your jurisdiction.
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