Workplace Investigations in the Cannabis Industry

Something every cannabis business owner dreads: an employee comes to you with a complaint. Maybe it involves a manager. Maybe it's a harassment allegation. Maybe you are not even sure exactly what happened — only that something did, and now you have to figure out what to do about it.

If you have never dealt with a workplace complaint before, the process can feel overwhelming. And in the cannabis industry, where the stakes are higher and regulatory scrutiny is real, getting it wrong is not an option.

Here is what you need to know.

Cannabis Workplace Investigations — Why They Matter More in This Industry

In most industries, a mishandled employee complaint leads to legal exposure and reputational damage. In cannabis, it can also affect your license.

State cannabis regulators increasingly expect operators to demonstrate that they run compliant, well-managed workplaces. A pattern of unresolved complaints, retaliation against employees, or evidence of a hostile work environment can attract regulatory attention at exactly the wrong time.

That means handling workplace complaints quickly, professionally, and thoroughly is not just good HR practice — it is a business necessity.

Step 3: Keep It Confidential

Confidentiality is critical — and especially so in cannabis, where teams are often small and everyone knows everyone.

The people involved in the complaint should be reminded that the matter is confidential. Managers and owners should not discuss details with staff who are not directly involved. Loose talk during an active investigation can compromise your findings and expose you to retaliation claims.

Step 4: Conduct Impartial Interviews

The heart of any workplace investigation is the interview process. This means speaking with the complainant, the respondent, and any relevant witnesses — separately, privately, and without leading questions.

Good interviews are structured and documented. Every conversation should be memorialized in detailed notes that capture what was said, not just your interpretation of it.

This is where many business owners struggle. If you have a relationship with the people involved — and in a small cannabis operation, you almost certainly do — maintaining impartiality is genuinely difficult. That is not a character flaw. It is just reality.

Step 5: Document Everything

From the moment a complaint is received to the moment the investigation closes, document everything. Every conversation. Every piece of evidence reviewed. Every decision made and why.

Your documentation is your protection. If the matter ever escalates — to a regulatory body, an attorney, or a court — your records tell the story of how you handled it. A well-documented investigation demonstrates good faith. A poorly documented one raises questions.

Step 6: Reach a Finding and Take Action

At the conclusion of the investigation, you need to make a determination. What happened? What policy or standard was violated, if any? What is the appropriate response?

This does not always mean termination. Findings can result in coaching, policy clarification, restructuring of reporting relationships, or formal discipline — depending on what the investigation revealed.

Whatever the outcome, communicate it appropriately to the parties involved and document your rationale.

When to Bring in Outside Help

Not every workplace investigation needs to be handled internally. In fact, some situations demand outside involvement.

Consider bringing in an external HR investigator when:

• The complaint involves a senior leader or owner

• The allegations are serious — harassment, discrimination, or potential legal exposure

• Your team lacks the experience to conduct a thorough investigation

• Impartiality could reasonably be questioned

• You are operating across multiple states with varying legal requirements

An outside investigator brings objectivity, experience, and a documented process that holds up to scrutiny. In the cannabis industry, that matters.

The Bottom Line

Workplace complaints are not a sign that something is wrong with your business. They are a sign that your employees feel comfortable coming forward — which is actually what you want.

What matters is how you respond.

At Trellis HR, we conduct workplace investigations for cannabis businesses with the discretion, professionalism, and industry knowledge this work requires. If you are facing a complaint and are not sure where to start — we are here to help.