Mutual vs one-way NDA
The key question is who will disclose confidential information. GOV.UK publishes separate example one-way and mutual NDAs, reflecting the different roles the parties can have.
Mutual vs one-way NDA: quick comparison
A one-way NDA is designed for a relationship where confidential information mainly flows from one party to the other. A mutual NDA is designed for situations where both sides expect to disclose confidential information and each needs obligations protecting what it shares.
The label is not enough on its own. Check who is actually disclosing information, what counts as confidential, the permitted purpose, who may receive it, how long obligations last and what exclusions apply.
Example: when a one-way NDA may make sense
If a business is showing a prospective supplier confidential product information but the supplier is not sharing equivalent confidential material, a one-way structure may reflect the real information flow more closely.
Example: when a mutual NDA may make sense
If two businesses are exploring a partnership and both expect to exchange commercial plans, technical information or other confidential material, mutual obligations may be more appropriate. Mutual wording should still be reviewed carefully: using the same obligations for both parties does not automatically make every term suitable or balanced.
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Open NDA Builder →What is a one-way NDA?
A one-way or unilateral NDA is designed for a situation where confidential information mainly flows from one party to another. The recipient takes on confidentiality obligations relating to the discloser’s protected information.
What is a mutual NDA?
A mutual NDA is designed for a situation where both sides expect to disclose confidential information. Each party can owe confidentiality duties in relation to information received from the other.
When a one-way NDA may fit
It may be appropriate where only one business is revealing a confidential idea, process, dataset or commercial plan and the other party is receiving it for a defined purpose.
When a mutual NDA may fit
It may be more suitable for negotiations, collaborations or joint projects where both parties expect to exchange sensitive information.
Mutual does not automatically mean balanced
Even a document labelled “mutual” should be checked carefully. Definitions, exclusions, duration, remedies and permitted uses can affect each party differently.
Choose based on the real information flow
Do not select an agreement merely because one version sounds stronger. Match the structure to what the parties will actually disclose and obtain advice where the information is particularly valuable or the transaction is complex.
For the clauses and structure to cover in the document, see What Should an NDA Include? or How to Write an NDA, then use the NDA Builder.
Official guidance: GOV.UK NDA examples Acas NDA guidance. This is general information, not legal advice. NDA wording and enforceability depend on the facts, the relationship and the law that applies.