How Should Employers Investigate a Sexual Harassment Complaint?

Receiving a sexual harassment complaint can feel different from receiving almost any other workplace complaint.

The subject matter may be highly personal. The employee may be distressed or unsure about what they want to happen. The respondent may face serious allegations with significant consequences. Managers may be worried about doing the wrong thing at the very first step.

A good response does not require panic. It requires care, clarity and a fair process.

A sexual harassment workplace investigation should focus on establishing the facts while the organisation separately manages safety, support and its broader workplace obligations.

Start with the immediate situation

Before planning interviews, consider whether anything needs to change now.

Are the complainant and respondent working closely together? Is there a reporting relationship? Does either person need support? Is there a practical way to reduce contact while the complaint is assessed? Is there evidence that should be preserved?

Temporary arrangements should be proportionate and should not be treated as a finding against either person.

The purpose is to create a workable environment while the matter is considered properly.

Listen carefully before turning the complaint into allegations

People do not always disclose sexual harassment in a neat chronological account.

A complainant may remember one event and then add another. They may be very clear about some details and uncertain about others. They may describe the impact before they describe the conduct.

Give them enough space to explain what they say happened.

Then identify the conduct that needs a factual finding. What was said or done? When and where did it happen? Was anybody else present? Were there messages, emails or other records? Were there later conversations about the incident?

Clear allegations make the investigation fairer for both the complainant and the respondent.

Do not make the complainant prove the case in the first conversation

The first disclosure is not the final investigation interview.

An employee should not feel they need to arrive with a complete evidence brief before the organisation will take the concern seriously.

At the same time, an employer should not promise a particular finding or outcome simply because the allegation is serious.

The complaint needs to be heard respectfully and then tested fairly. Those two things can exist together.

Interviewing needs both sensitivity and precision

A trauma informed approach does not mean avoiding difficult questions.

It means asking necessary questions in a way that recognises the person may be discussing a distressing or deeply personal experience.

Questions should be clear and open enough to allow the witness to give their own account. The investigator can then explore details, inconsistencies, timing and other evidence without becoming hostile or leading the witness toward a preferred answer.

The same basic fairness applies when interviewing the respondent. They need to understand the allegations and have a genuine opportunity to respond to them.

Look beyond whether there was a witness

Many sexual harassment complaints involve conduct that occurred without an independent witness.

That does not mean the allegation cannot be investigated or that no finding can be made.

The investigator may consider messages before or after the event, contemporaneous disclosures, changes in communication, documents, CCTV, location records, witness evidence about surrounding events, admissions, inconsistencies and the overall coherence of each account.

The task is to assess all of the available evidence rather than apply a rule that one person’s word can never be enough.

Give the respondent procedural fairness

A fair sexual harassment complaint investigation requires the respondent to know the substance of the allegations and have a reasonable opportunity to answer them before findings are made.

If important new information emerges that may materially affect an adverse finding, it may need to be put to the respondent for comment.

Procedural fairness is not a technical favour to the respondent. It improves the reliability of the investigation because the investigator has tested the evidence from more than one side.

Keep the investigation separate from the final employment decision

The investigator’s job is usually to determine what happened on the evidence.

The organisation then decides what the findings mean under its policies, employment arrangements and legal obligations, and what action should follow.

Keeping those roles separate helps the investigation stay focused on facts rather than drifting into punishment or advocacy.

The wider legal context matters too

Australian employers have obligations that go beyond responding after a complaint has already been made. Current sex discrimination and workplace safety frameworks place a strong emphasis on preventing sexual harassment and managing the risk of it occurring.

An investigation is therefore one part of the response, not the whole response. Findings may identify broader issues in systems, supervision, reporting pathways or workplace culture that the organisation should consider separately.

When to consider an independent investigator

Independence can be particularly useful where the allegations involve senior employees, the internal team has already been involved, the complaint is complex or sensitive, or the parties are unlikely to have confidence in an internal process.

I conduct independent workplace investigations involving sexual harassment and other sensitive workplace complaints. My approach is careful, evidence focused and trauma informed, while still providing the respondent with a fair opportunity to answer the allegations.

If you have received a sexual harassment complaint and are deciding how it should be investigated, I can also provide advice before you commit to a process.

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