Legal Privilege In New Zealand: What It Means And How To Protect It

Alex Solo
byAlex Solo10 min read

Running a business means making decisions quickly, keeping good records, and (sometimes) dealing with disputes you didn't see coming. In the middle of all that, you'll probably need legal advice at some point - whether it's a contract negotiation, a shareholder issue, a customer complaint, or an employment problem.

That's where legal privilege becomes a big deal.

Legal privilege can protect certain communications from being disclosed to other parties (and sometimes even to the court) if a dispute arises. Used properly, it helps you get frank legal advice and manage risk without worrying that your internal discussions will later be "used against you".

But privilege isn't automatic, and it's easier to lose than many business owners realise - especially with busy teams, fast email chains, and documents being shared across multiple stakeholders.

Below, we'll break down what legal privilege is in New Zealand, the main types of privilege, what can go wrong, and practical steps you can take to protect it from day one.

Legal privilege (sometimes called "client legal privilege") is a rule that can protect certain communications from being disclosed. The basic idea is simple: you should be able to speak openly with your lawyer and receive legal advice without fear that those communications will be exposed later in a dispute.

For small businesses, privilege comes up more often than you'd think, including when you:

  • Ask a lawyer to review or negotiate a contract with a supplier, customer, landlord, or investor
  • Get advice about terminating an employee or handling a disciplinary process
  • Investigate an incident (like a workplace complaint, a health and safety issue, or a data breach)
  • Prepare for mediation, negotiations, or settlement discussions
  • Deal with a dispute letter, claim, or threat of legal action

Privilege matters because, if it applies, it can mean you don't have to hand over those communications during a dispute (for example, during disclosure in litigation). That can protect your strategy, internal decision-making, and sensitive commercial information.

In New Zealand, privilege is primarily dealt with under the Evidence Act 2006 (see, for example, ss 54-61). The Act sets out when privilege applies and some situations where it may not.

There isn't just one "legal privilege". In practice, businesses most commonly deal with a few key types.

Legal advice privilege generally protects confidential communications between a lawyer and their client that are made for the purpose of giving or receiving legal advice.

For example, privilege may apply to:

  • Your email to your lawyer asking, "Can we terminate this contract early?"
  • Your lawyer's written advice about how to respond to a customer claim
  • A draft agreement marked up by your lawyer with legal comments and suggestions

Two things are usually critical here:

  • Confidentiality: if the advice is widely shared or published, privilege can be lost.
  • The purpose: it needs to be genuinely about legal advice, not just commercial strategy.

Commercial discussions can be closely connected to legal advice, and that's where things can get grey. A helpful way to think about it is: are you asking for legal input (rights, obligations, legal risk), or are you mainly making a business decision?

Litigation Privilege

Litigation privilege can apply when communications or documents are created for the dominant purpose of preparing for, or conducting, litigation.

This often becomes relevant when a dispute is reasonably anticipated - not only once formal court proceedings have started.

Examples might include:

  • Documents created to gather evidence or assess the strengths/weaknesses of a claim
  • Instructions to your lawyer to brief an expert witness
  • Internal investigation reports prepared specifically for legal proceedings

For business owners, this is where timing and language matter. If you wait until "it's serious" to involve a lawyer, you may end up with a pile of documents that were created for operational reasons (and aren't privileged), even though you now wish they were protected.

Protections For Settlement Negotiations (Without Prejudice)

Another common protection in disputes is the ?without prejudice? principle (often called "without prejudice privilege"). It's not quite the same as legal advice privilege or litigation privilege, but it can still help protect genuine settlement communications from being used as evidence in court in many situations.

The goal here is to encourage parties to settle. If you make genuine settlement offers, those offers are generally protected from being used as evidence in court - so you can negotiate realistically without worrying it will be treated as an admission later.

That said, "without prejudice" isn't a magic label. Simply writing the words on an email doesn't automatically protect it. The communication needs to actually be part of a genuine attempt to settle a dispute.

When Is A Communication "Legally Privileged" (And When Is It Not)?

A lot of privilege issues come down to small details: who was included, what the document says, and why it was created.

Privilege Usually Requires A Lawyer-Client Relationship

Legal advice privilege typically requires communications with a qualified lawyer acting as a lawyer. If you're receiving advice from a non-lawyer consultant, advisor, mentor, accountant, or industry expert, it generally won't be protected by legal advice privilege (even if it feels "legal-ish").

This is one reason businesses will sometimes ask a lawyer to coordinate certain sensitive workstreams - so advice and documents are created within a framework that is more likely to attract privilege where appropriate.

Privilege Doesn't Automatically Cover Internal Emails

Internal communications between staff aren't automatically privileged just because they discuss a legal issue.

For example, an email between team members saying "We're going to breach this agreement, but we'll deal with it later" is unlikely to be privileged. It may be commercially sensitive, but that's not the same thing.

If you want an internal discussion to be part of a privileged process, a common approach is to ensure the communication is created for the purpose of obtaining legal advice and is sent to (or prepared for) the lawyer, then kept confidential and circulated only to those who genuinely need it.

Privilege Is Not The Same As Confidentiality

This is a big one for business owners: confidentiality is a duty or obligation to keep information private; legal privilege is a legal right that can prevent compelled disclosure.

They overlap, but they're not identical.

For example, you might have a contract with a supplier containing a Confidentiality Clause, but that doesn't mean your communications are privileged in a dispute. Equally, you might have privileged legal advice that you accidentally waive by forwarding it widely.

In a fast-moving small business, privilege can be lost unintentionally. Here are some of the most common traps we see.

If legal advice gets forwarded to people who don't need to see it - external advisors, friends, contractors, or even staff who aren't involved in the decision - it can weaken confidentiality and increase the risk that privilege is lost or challenged.

A practical rule: circulate privileged advice only to the "need-to-know" group, and keep that group as small as reasonably possible.

A long email chain that includes legal advice, commercial discussion, and operational updates can become messy.

It's not always that privilege disappears entirely - but mixing content makes it easier for a dispute about what is (and isn't) privileged to arise, and can lead to accidental disclosure of privileged information.

Where possible, keep legal advice in a separate thread and clearly identify it as confidential and privileged.

If you ask your accountant, broker, or consultant to "confirm whether this is legal", their response isn't covered by legal advice privilege (even if they're experienced and helpful).

If the issue matters, it's often better to get a lawyer involved early - including for contract review work. For example, if you're about to sign a major customer agreement, getting a Contract Review can help you understand the risk and keep the advice in a privileged channel.

4. Creating Investigation Reports Before Involving A Lawyer

Internal investigation reports are a classic problem area.

Let's say there's a serious complaint, and you ask a manager to "write up what happened" for HR purposes. If a dispute later escalates, that report may be disclosable.

By contrast, if you expect a dispute and involve a lawyer early to guide the investigation and the purpose is legal advice or litigation preparation, privilege may be more likely to apply (depending on the facts).

This often comes up alongside privacy and workplace processes. If you're dealing with sensitive staff data or monitoring issues, having an Employee Privacy Handbook and clear internal processes can reduce the chance of messy documents and mixed messages.

5. Waiver By "Relying On The Advice"

You can also lose privilege through waiver.

Waiver can happen when you voluntarily disclose privileged advice to support your position. For example, you might tell a counterparty "Our lawyer said we're right" and then attach the advice - at that point, you may have waived privilege over that advice (and possibly related communications).

Before you refer to legal advice in negotiations, it's worth getting legal guidance on the safest way to do it.

Privilege is much easier to protect when you build good habits into how your business communicates.

Here are practical steps you can implement without turning your team into lawyers.

1. Involve A Lawyer Early When Issues Turn "Dispute-Shaped"

If a problem is heading towards a dispute (a serious complaint, a demand letter, a relationship breakdown with a co-founder, a threatened claim), it's usually better to get legal advice early.

That doesn't mean escalating things unnecessarily - it means you're setting up your legal foundations properly before documents and emails start flying around.

2. Use Clear Labels (But Don't Rely On Them Alone)

Using headers like "Confidential - Subject To Legal Privilege" can be helpful for internal discipline and clarity.

But labels aren't enough on their own. Courts look at substance: confidentiality, purpose, and who the communication is between.

3. Control Distribution And Keep A "Need-To-Know" Approach

For privileged communications, consider:

  • Restricting circulation to a small group (for example, a director, a manager, and your finance lead)
  • Avoiding forwarding legal advice to external parties
  • Storing privileged advice in a restricted-access folder

If your business is structured as a company, it's also worth being clear on who "the client" is (usually the company) and who is authorised to request legal advice on its behalf. Clear governance documents, like a Company Constitution, can help reduce confusion as you grow.

Try to separate communications like this:

  • Operational: "Here's what happened" (facts, timelines, documents)
  • Legal: "Can you advise us on our legal position and risk?" (sent to your lawyer, confidential)

If you need to send background information to your lawyer, keep it factual and clearly identify the purpose of the communication.

5. Be Careful With In-House Counsel And Multi-Role Staff

Some businesses have an in-house counsel (or someone who wears both "legal" and "commercial" hats). Privilege can still apply to in-house lawyers, but the facts can get more complicated if communications mix legal advice with business strategy.

If your in-house counsel is advising as a lawyer, document that clearly and keep the communication confidential.

Privilege is helpful, but it's not a substitute for strong legal foundations.

Many disputes can be avoided or contained by having well-drafted agreements in place from day one, such as:

  • A tailored Non-Disclosure Agreement before sharing sensitive business information
  • Clear Employment Contract terms, especially around duties, confidentiality, and IP ownership
  • Proper customer and supplier contracts, with dispute processes and limitation of liability clauses drafted for your risk profile

When agreements are unclear, teams tend to create lots of informal emails to "fill the gaps" - and those are rarely privileged and often unhelpful in a dispute.

Key Takeaways

  • Legal privilege can protect certain confidential communications from disclosure, helping you get frank legal advice and manage disputes more safely.
  • In New Zealand, privilege commonly includes legal advice privilege (lawyer-client legal advice) and litigation privilege (documents created for the dominant purpose of anticipated or ongoing litigation). There are also separate protections that can apply to genuine settlement negotiations (including "without prejudice" communications).
  • Privilege is easier to lose than many business owners expect - especially by forwarding legal advice widely, mixing legal and commercial content in the same email chain, or relying on advice publicly in negotiations.
  • Strong habits help protect privilege: involve a lawyer early, keep communications confidential, limit who receives legal advice, and separate legal requests from operational updates.
  • Privilege works best alongside strong legal foundations, including the right contracts, governance documents, and internal policies from day one.

If you'd like help protecting legal privilege in your business - or you're dealing with a dispute and want to keep your communications (and strategy) protected - you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.

This article is general information only and not legal advice. Privilege is fact-specific and exceptions can apply (for example, where communications involve wrongdoing). If you're unsure, get advice about your situation.

Alex Solo

Alex is Sprintlaw's co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.

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