Can I Require Employees to Sign a Non-Disclosure Agreement?

Short answer: yes, and for most businesses you probably should. If the previous post in this series talked you out of a blanket non-compete, the NDA is the tool that was left standing, and it is standing for good reason. 

Wanting to protect the client list you spent a decade building, the pricing model your competitors would love to see, and the process that makes your shop faster than the one across town is not paranoid. It is basic stewardship. But NDAs come with a catch that surprises founders: the document is only as strong as your understanding of what it can and cannot do. So let's demystify it.

What an NDA actually protects

A well-drafted NDA covers your genuinely confidential business information: trade secrets, client and prospect lists, pricing and margin data, financials, product roadmaps, proprietary methods, and the like. It creates a contractual promise not to use or share that information, which matters because it gives you a clear legal claim if someone walks out with your customer database, and because courts treat the existence of signed NDAs as evidence that you took real steps to keep your secrets secret, which is a requirement for trade secret protection in the first place.

Notice what is not on that list: general skills and experience. An employee who leaves is allowed to take their brain with them. The judgment they developed, the industry knowledge they absorbed, the craft they got better at on your payroll, none of that can be locked up in an NDA, and agreements that try tend to drag the whole document down with them.

What an NDA can never do

This is where small businesses most often get it wrong, sometimes innocently and sometimes not. No NDA, however worded, can prevent an employee from reporting illegal activity to the government, filing a discrimination charge, cooperating with an investigation, or testifying truthfully. 

Employees also have a federally protected right to discuss their own wages and working conditions with each other, so a confidentiality clause that sweeps in "compensation information" as a secret is not just unenforceable on that point, it can itself draw a labor law complaint.

Then there is the change your brief-writers had in mind: the federal Speak Out Act, passed in 2022. It makes pre-dispute NDAs and non-disparagement clauses unenforceable with respect to sexual assault and sexual harassment disputes. In plain terms, the confidentiality agreement someone signed at onboarding cannot be used to silence them about harassment that happens later. 

Several states, California most prominently, go further and restrict confidentiality around a broader range of discrimination claims, including in settlement agreements. If your template NDA or severance agreement predates 2022 and contains sweeping "you will never speak of anything" language, it is due for a rewrite, both because parts of it are void and because overreaching language reads badly in front of any judge who sees it later.

Broad is not strong

Founders tend to assume the more an NDA covers, the safer they are. Courts see it the other way. An agreement that defines "confidential information" as essentially everything the employee ever saw, heard, or thought about at work signals that you were not protecting secrets, you were restraining a person, and judges toss or trim such agreements regularly. 

The strong version is the narrow one: a clear definition of the categories of information that are genuinely confidential, sensible carve-outs for things that are public or independently known, and reasonable time limits for ordinary confidential information, with trade secrets protected for as long as they remain actual secrets.

HR Tip: An NDA only protects information you actually treat as secret. If a dispute ever lands in court, the first questions will be about your habits, not your contract. Was the client list on a shared drive the whole company could open? Was pricing in a deck that went to every vendor? Access controls, password protection, and a little labeling discipline are not IT niceties, they are what makes your NDA mean something.

When to put one in front of someone

There are three natural moments. The first is onboarding, which is the best one, because the agreement is part of the deal from day one and the job offer itself is the exchange. The second is contractors and freelancers, and here the NDA is not optional politeness, it is essential, because unlike employees, contractors owe you almost no default duty of confidentiality. 

Your bookkeeper, your marketing freelancer, your dev shop, anyone who touches sensitive information should sign before they see it. The third is offboarding, where a severance agreement can reaffirm confidentiality obligations as part of the package.

The awkward moment is the one in between: asking a current employee to sign an NDA years into the job. In a number of states, continued employment alone is not sufficient consideration, meaning a mid-employment NDA signed for nothing may be worth nothing. If you are rolling out NDAs to an existing team, tie the signing to something real, a raise cycle, a bonus, a promotion, and get a consistent process rather than chasing signatures one desk at a time.

HR Tip: Federal trade secret law contains a detail almost every homemade NDA misses. Agreements are supposed to include a notice of whistleblower immunity, telling employees they may disclose trade secrets confidentially to the government or an attorney when reporting suspected lawbreaking. Leave that notice out and you can lose access to the best remedies, including double damages and attorney fees, if you ever have to sue under the federal statute. It is one paragraph, and its absence is the fastest way to spot an NDA that was copied off the internet.

One tool, not a strategy

Here is the honest closing thought. An NDA is a fence, not a vault. It deters the casual misuse, strengthens your legal position for the serious kind, and signals to everyone that confidentiality is part of how you operate. What it cannot do is substitute for hiring people you trust, limiting access to what each role actually needs, and building the kind of workplace people do not want to burn on the way out. Protection is a system, and the NDA is one component of it.

If your current agreements were assembled from templates over the years, a review is cheap insurance. Savvy HR can look at your NDA, confidentiality, and contractor agreements as part of a document review, flag the clauses that recent law has hollowed out, and set you up with a clean contractor agreement kit so the next freelancer signs something that would actually hold. Send us what you are using now, and we will tell you what it really protects.

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