Can I Stop A Former Employee Taking My Clients?

Finding out that a former employee is contacting your clients can feel personal, frustrating and urgent. You might be worried about losing income, damaging client relationships, or seeing years of goodwill walk out the door.

The good news is that you may have options, but the strength of those options usually depends on what your employment contract says, what information the employee used, and how they approached your clients.

If you're dealing with a former employee taking clients in Australia, the first move is to get clear on the facts before you fire off a message. A careful response can protect your business without accidentally making the situation worse.

Can I Stop A Former Employee Taking My Clients?

Yes, you may be able to stop a former employee from taking your clients if they're breaching an enforceable restraint, misusing confidential information, or acting unlawfully. But you usually can't stop someone from simply competing with you after they leave.

Australian law generally allows people to work and compete after employment ends. A former employee might set up their own business, join a competitor, or let people know where they now work. That alone isn't automatically unlawful.

Your stronger legal position usually comes from one or more of these:

• A non-solicitation clause: This restricts the employee from approaching your clients, customers, suppliers or staff for a set time after leaving.
• A confidentiality clause: This stops the employee from using or disclosing your business's confidential information, such as client lists, pricing, margins, proposals and internal processes.
• Intellectual property terms: These confirm that work, documents, databases and materials created during employment belong to your business.
• Australian Consumer Law protections: If the former employee is making misleading claims to clients, such as saying your business has closed or that clients must move across, this may raise issues under the Australian Consumer Law.

The key question isn't just, "Are they taking my clients?" It is, "How are they doing it, and what have they promised not to do?"

For example, if a former account manager remembers a client's name and the client independently reaches out to them, that may be harder to challenge. If they download your client database before resigning and send a launch email to 200 of your clients the next week, that's a very different situation.

What Should I Do First If A Former Employee Is Contacting Clients?

You should first gather evidence, check the employment documents, and avoid making threats until you know what your legal position is. A rushed response can weaken your position, especially if the restraint is unclear or you overstate what you're entitled to demand.

Step 1: Preserve The Evidence

Keep a clear record of what has happened. This may include:

• screenshots of messages, emails, social media posts or ads
• client emails telling you they were approached
• dates and times of phone calls or meetings
• copies of any quotes or proposals the former employee sent to your clients
• records showing unusual downloads, exports or access to your CRM before they left
• notes from staff who saw or heard relevant conduct

Try not to rely on rumours. A client saying, "I heard they're starting something" is different from a client forwarding an email that says, "Move your account to me and I'll beat their price."

Step 2: Check The Contract And Policies

Look for clauses covering restraints, non-solicitation, confidentiality, intellectual property, company property, devices, email accounts and post-employment obligations in the employment contract. Also check any separate confidentiality agreement, employee commission agreement, onboarding documents or staff handbook.

Older contracts can be a problem. If the employee's role changed over time, or they were promoted into a client-facing position but never signed an updated contract, the document may not match the real risk your business now faces.

Step 3: Consider A Calm Written Response

Often, the next step is a carefully worded letter or email, or other employee termination documents, asking the former employee to stop the conduct, return or delete confidential information, confirm what they have accessed, and preserve records. This is often called a cease and desist letter, although the tone should usually be firm rather than aggressive.

If the conduct is causing immediate and serious harm, get tailored legal help quickly. In urgent cases, businesses sometimes consider court orders, but that's a major step and you need advice on prospects, cost and risk before going down that path.

Are Non-Solicitation Clauses Enforceable In Australia?

Yes, non-solicitation clauses can be enforceable in Australia, but only if they're reasonably necessary to protect your legitimate business interests. Courts don't enforce restraints just because they're written into a contract.

A restraint of trade clause usually starts from the position that it's void unless your business can justify it. The law is trying to balance two things: your right to protect goodwill and confidential information, and the employee's right to earn a living.

A non-solicitation clause is usually easier to justify than a total non-compete clause because it doesn't stop the person working altogether. It only stops them from actively approaching certain clients or contacts for a limited period.

When looking at enforceability, these factors matter:

• What role did they have? A senior salesperson with close client relationships is different from a junior admin assistant with little client contact.
• Which clients are covered? A clause limited to clients the employee dealt with in the last 6 or 12 months is usually stronger than one covering every client your business has ever had.
• How long does it run for? A 3 or 6 month non-solicitation period may be more defensible than 12 or 24 months, depending on the role and sales cycle.
• What area is covered? Geographic restraints matter more for some businesses than others. A local hair salon is different from a national SaaS business.
• How the clause is drafted: Cascading restraints can sometimes help, but they need to be drafted carefully. In NSW, the Restraints of Trade Act 1976 can affect how restraints are assessed and potentially read down.

Say you run a cleaning business in Melbourne. Your site manager personally managed 15 commercial clients, including two offices worth about $4,000 per month each. Their contract says they can't solicit clients they dealt with in the 12 months before leaving, for 6 months after leaving. Two weeks after resigning, they email those same 15 clients offering the same cleaning service at a lower price.

That clause has a better chance of being enforceable because it's targeted: known clients, recent dealings, a defined time period and a real goodwill risk. If the contract instead said they can't work for any cleaning business in Australia for 2 years, that would be much harder to justify.

What If I Don't Have A Restraint Clause?

You may still have options without a restraint clause, but it will usually be harder to stop the former employee from approaching clients. Your focus will shift to confidentiality, ownership of business records and any misleading conduct.

A former employee doesn't need a restraint to be bound by duties around confidential information. Even after employment ends, they generally can't take and use your business's confidential information for their own benefit.

That said, there's an important difference between general know-how and confidential information. An employee can usually use skills, experience and industry knowledge they gained during their career. They usually can't use a copied client database, pricing spreadsheet, proposal templates or internal CRM notes.

If there's no restraint, you may still look at whether:

• they accessed or exported your client list before leaving
• they emailed documents from their work account to a personal account
• they kept a company laptop, phone, hard drive or notebook
• they used confidential pricing, margins or renewal dates to undercut you
• they told clients something false or misleading about your business
• they encouraged current staff to misuse your information

If your business is a company, the Corporations Act 2001 may also be relevant. Directors and other officers have duties to act in good faith and for proper purposes. Separately, directors, officers and employees must not improperly use their position, or information obtained through their role, to gain an advantage for themselves or someone else, or cause detriment to the company. The information duty can also be relevant after employment ends, such as where a former employee misuses company information after leaving.

Without a written restraint, you may struggle to stop ordinary competition. You may still be able to stop misuse of information or recover company property, but you need evidence that something more than fair competition has happened.

Is My Client List Confidential Information?

Yes, your client list can be confidential information if it isn't publicly available and your business has treated it as confidential. The stronger your systems and documents are, the easier it's to argue the list should be protected.

A client list is more likely to be confidential where it includes more than names. For example, these details are often commercially sensitive:

• direct contact names, phone numbers and private email addresses
• purchase history, preferences and renewal dates
• pricing, discounts and credit terms
• notes about decision-makers and pain points
• pipeline status and upcoming opportunities
• profit margins and service delivery costs

On the other hand, if the "client list" is just a list of businesses anyone can find through Google, LinkedIn or an industry directory, it may be harder to protect. The value often lies in the work your business has done to build and maintain the relationship data.

Your treatment of the information matters. If every staff member can download the full database with no password controls, no confidentiality clause and no offboarding process, it becomes harder to argue the information was tightly protected. If access is limited, contracts are clear, and exports are monitored, your position is stronger.

You should also think about privacy. If your client database includes personal information, your handling of that information may be affected by the Privacy Act 1988. Many small businesses are exempt from parts of the Privacy Act unless an exception applies, but you should still be careful about access, storage and disclosure. Poor data controls can turn a staff departure into a privacy issue as well as a client poaching issue.

What Should Future Employee Contracts Include?

Your future employment contracts should include clear, tailored clauses covering confidentiality, restraints, intellectual property, company property and return of information. Templates often miss the practical detail that makes these clauses useful when something goes wrong.

The goal isn't to stop everyone from ever competing with you. It's to protect the parts of your business that are genuinely vulnerable, especially client relationships, sensitive information and goodwill.

Fill-In Outline For Better Protection

Use this as a planning outline, not a finished contract. A lawyer should tailor it to your role types, industry, state and business model before you use it.

1. Role And Client Access: State the employee's role, seniority and the types of clients, accounts, suppliers or leads they will access.
2. Confidential Information: Define what is confidential, including client lists, pricing, margins, strategies, supplier terms, systems, proposals and CRM data.
3. Permitted Use: Say confidential information can only be used for the purpose of doing their job for your business.
4. Non-Solicitation Of Clients: Restrict approaches to clients or prospects they dealt with or learned about during a defined recent period, such as the last 6 or 12 months of employment.
5. Non-Solicitation Of Staff And Suppliers: Include sensible restrictions on poaching staff, contractors or key suppliers where that risk is real.
6. Restraint Period And Area: Set out reasonable time periods and, where relevant, locations or market segments. Avoid going broader than you can justify.
7. Intellectual Property: Confirm that work created in the course of employment belongs to your business.
8. Company Property And Systems: Require return of laptops, phones, documents, passwords, files, notes and access credentials when employment ends.
9. Post-Employment Cooperation: Require confirmation that information has been returned or deleted and that access to systems has stopped.
10. Policies And Training: Link the contract to practical policies on data access, device use, CRM exports and social media contact with clients.

Contracts work best when they match the actual job. A restraint for a casual barista, a senior software engineer and a national sales director shouldn't look the same.

You should also back up the contract with day-to-day systems. Limit CRM access by role, turn off accounts promptly when someone leaves, keep audit logs where your systems allow it, and run a simple exit checklist. Legal documents are much easier to use when the operational evidence supports them.

Key Takeaways

• You may be able to stop a former employee from taking clients if they're breaching a valid non-solicitation clause or misusing confidential information.
• Australian restraints of trade need to be reasonable and targeted. Broad non-competes are often harder to enforce than client non-solicitation clauses.
• If you don't have a restraint, focus on whether the employee took client lists, pricing, CRM data or other confidential information.
• Keep evidence before you respond, including client messages, system logs, downloaded files and copies of any approaches made.
• Future employment contracts should be tailored to the role and supported by practical systems, not just copied from a template.
• Get help early if the conduct is urgent, high value or unclear. A measured first response can make a big difference.

If you'd like help with employment contracts, restraint clauses, confidentiality terms or responding to a former employee approaching clients, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.