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What to do if…
you are told an investigation is happening at work and you may be interviewed as a witness

Short answer

Clarify what the meeting is (investigation vs disciplinary/grievance), then give only what you personally know—slowly, accurately, and without guessing.

Do not do these things

  • Do not delete messages, documents, notes, or calendar entries connected to the issue (even if they look “bad” or irrelevant).
  • Do not discuss details with colleagues who might be involved or interviewed (it can look like influencing witnesses).
  • Do not guess, speculate, or repeat rumours. “I don’t know / I don’t recall” is safer than filling gaps.
  • Do not sign notes or a witness statement you have not read carefully, or that you believe is inaccurate.
  • Do not record the meeting (audio/video) unless your employer explicitly agrees and it’s permitted under workplace rules—ask for the notes/record instead.

What to do now

  1. Get the basics in writing before you walk in. Ask (briefly, by email/message if possible):
    • Are you being interviewed as a witness, or are you the subject of the investigation?
    • Is this meeting an investigation (fact-finding) meeting, or a disciplinary or grievance meeting?
    • Who is the investigator, and what’s the broad topic/time period they want to cover?
  2. Check your employer’s investigation/disciplinary policy (and any confidentiality instruction). Use your staff handbook/intranet. You’re looking for: who conducts interviews, how notes/statements are handled, and what happens next.
  3. Write a quick “facts only” timeline (10 minutes). Use your calendar, emails you already legitimately have access to, and your memory. Keep it to:
    • dates/times, who was present, what you directly saw/heard, what you did
    • what you did not witness first-hand (label clearly as “not witnessed”)
  4. Choose your support route (and set expectations).
    • If you’re in a union, contact your rep now and tell them you’re a witness in an internal investigation.
    • In the UK, there is no statutory right to be accompanied at an investigation meeting, though some employers allow it. There is a statutory right to be accompanied at certain formal disciplinary and grievance hearings/meetings in scope—so ask what stage this is, and whether a companion is allowed.
  5. Set clear confidentiality boundaries.
    • Ask what you are expected not to share (for example, “Should I avoid discussing this with other staff?”).
    • If you have a union rep/companion, clarify you can speak to them confidentially.
  6. In the interview: keep it slow and factual.
    • Ask them to repeat questions you don’t understand.
    • Separate what you know from what you think.
    • If you need to check a date, say so rather than guessing.
  7. Control the notes/statement moment.
    • Expect someone to take notes. Read any notes/statement carefully.
    • Ask for corrections to anything inaccurate or unclear.
    • Sign only if the notes/statement are an accurate record. Ask for a copy if your employer’s process allows it.
  8. After the meeting, make a private record while it’s fresh.
    • Note the date/time, who attended, what you were asked about, and any actions you agreed.
    • If appropriate, send a short, neutral email to the investigator/HR confirming a key factual correction (for example, “For accuracy, the meeting happened on Tuesday, not Monday.”).

What can wait

  • You do not need to work out “who’s to blame” or solve the investigation yourself.
  • You do not need to predict outcomes or decide whether to complain, resign, or take legal action right now.
  • You do not need to provide extra documents or opinions unless you are specifically asked through the proper process.

Important reassurance

It’s normal to feel panicky when you’re pulled into an investigation, even as a witness. A calm, facts-only approach protects you and supports a fair process.

Scope note

These are first steps only. If you later become the subject of the investigation, or you feel pressured or treated unfairly, you may need specialist help (for example, a union rep or an employment adviser).

Important note

This is general information, not legal advice. Workplace policies and the correct process can vary by employer and situation. If anything feels unclear, ask for clarification in writing and slow the process down rather than rushing.

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