confidentiality agreement

What is a Confidentiality Agreement?

What Is a Confidentiality Agreement?

A confidentiality agreement is a legal contract that protects sensitive information shared between parties. It sets out what information people should not disclose externally, how it can be used and what happens if it is passed on without permission.

You will often hear it called a non-disclosure agreement or NDA. In business transactions, especially mergers and acquisitions, it is one of the first documents signed before any detailed information is shared.

What does a confidentiality agreement cover?

A confidentiality agreement defines the scope of protection and the responsibilities of each party. It ensures that both sides understand what they can and cannot do with the information they receive.

Typical elements include:

  • A clear definition of what counts as confidential information
  • The permitted use of that information
  • Obligations to protect and restrict access
  • The duration of the confidentiality obligations

When is a confidentiality agreement used?

Confidentiality agreements are used in many situations where sensitive information is exchanged:

  • M&A and due diligence processes
  • Strategic partnerships and joint ventures
  • Employment and contractor relationships
  • Sharing commercial, technical or financial data

In M&A, they allow sellers to share detailed business information without risking competitive exposure.

Types of confidentiality agreements

Different types of agreements apply depending on how information flows between the parties.

Type

What it means

When it is used

Unilateral

One party shares information, the other protects it

Early-stage M&A or vendor disclosure

Mutual

Both parties share confidential information

Joint ventures or strategic partnerships

Multilateral

Multiple parties share and receive information

Complex transactions with several stakeholders

Key clauses in a confidentiality agreement

Strong drafting is essential to make the agreement effective. Key clauses usually include:

  • Confidentiality obligations that restrict disclosure and require reasonable protection
  • Exclusions for information already public or independently developed
  • Return or destruction clauses requiring information to be deleted or returned
  • Remedies for breach, including potential damages or injunctions

These provisions help enforce the agreement if something goes wrong.

How confidentiality agreements fit into M&A

In an M&A process, the confidentiality agreement is signed before due diligence begins. It allows the seller to share financial data, contracts and strategic information with potential buyers in a controlled way.

The agreement works alongside tools such as virtual data rooms, which add technical controls like permissions and audit trails. Together, they reduce the risk of leaks and help maintain a fair process.

Legal enforceability and limitations

A confidentiality agreement is legally enforceable if it is clearly drafted and reasonable in scope. However, it is not a complete safeguard.

For example, it cannot fully prevent accidental disclosure or guarantee that information will not be misused. That is why organisations combine legal agreements with practical controls such as restricted access and monitoring.