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How to Handle an Employee Complaint When You Do Not Have an HR Department

What you do in the 72 hours after a complaint is received determines whether it stays a workplace issue or becomes a legal one.

The short answer

Acknowledge the complaint in writing, keep it from the person accused, decide whether it needs a formal investigation, document the process as you go, hold any personnel decisions about the complaining employee until it is closed, and close the loop in writing. Most retaliation claims come from the response, not the original complaint.

An employee comes to you with a complaint. Maybe it is about another employee. Maybe it is about a manager. Maybe it is vague. The specific content matters less in the first 72 hours than the process your company follows in response to it.

The six-step process

  1. Receive and acknowledge in writingAcknowledge the complaint to the employee in writing. Not to agree with it or promise an outcome, but to confirm it was received, that it will be taken seriously, and that they will hear back within a defined timeframe. This removes one of the most common retaliation arguments: that the complaint was ignored and adverse action followed the silence.
  2. Do not tell the subject of the complaintThis is where most small companies create their worst exposure. The manager who hears about a complaint against them and starts preparing a counter-narrative. The owner who mentions it informally. Both contaminate the record, make a real investigation harder, and make a retaliation claim easier to build.
  3. Determine scope before actingIs this a formal investigation or an informal inquiry? Could it involve harassment, discrimination, retaliation, or wage and hour issues? Does it need a neutral investigator outside the reporting chain? Treating every complaint as a conversation, and every conversation as resolved, is a liability that grows with each undocumented complaint.
  4. Document the process, not just the outcomeWhat was investigated. Who was interviewed. What was reviewed. What was found. What action was taken and why. An investigation without contemporaneous documentation is very hard to defend. The record is the investigation.
  5. Make personnel decisions after the investigation closesThe most common retaliation sequence: an employee complains, the company takes an adverse action before the investigation is complete, and the employee files a retaliation charge. Timing is the case. Do not change the complaining employee's status, schedule, or performance documentation until the process is formally closed and documented, unless counsel advises otherwise.
  6. Close the loop in writingTell the employee the matter was reviewed and what the outcome is, within the limits of confidentiality. Document that conversation and its date. This closes the intake record and prevents a later claim that the complaint was never resolved.

Retaliation was the most frequently filed EEOC charge for the 17th consecutive year in FY2024: 42,301 charges, or 47.8% of all charges filed. Most retaliation claims do not come from the original complaint. They come from what the company did in response to it.

EEOC FY2024 enforcement statistics
Key data points
42,301

Retaliation charges filed with the EEOC in FY2024, 47.8% of all charges.

EEOC FY2024 enforcement statistics
72 hrs

The window after a complaint that largely decides whether it stays internal or escalates.

Workplace Intelligence guidance
180 / 300

Days an employee generally has to file an EEOC charge: 180, or 300 where a state or local agency enforces a similar law.

EEOC: time limits for filing a charge

Common questions

Should a small business investigate every complaint?

Every complaint should be acknowledged, documented, and assessed. Not every complaint needs a formal investigation, but anything touching harassment, discrimination, retaliation, safety, or pay should be reviewed by someone who knows what a defensible investigation requires.

When should we use an outside investigator?

When the complaint involves a senior leader or owner, when no one internal is neutral and trained, when the allegations are serious or multiple, or when litigation seems likely. An outside investigator protects the credibility of the findings.

When to bring in counsel

If the complaint involves possible harassment, discrimination, retaliation, or a senior leader, involve employment counsel early. Counsel can also decide whether the investigation should be run under privilege.

For employers

Find the exposure before a claim does.

The Organizational Risk Diagnostic reviews your documentation, complaint handling, investigations, and terminations, and delivers a written report in 10 business days. From $15,000, fully credited toward a build or advisory engagement within 30 days.