Aipedia: HR consultants

AI in workplace investigations and grievances

Aipedia, by the Apex broking team · Last reviewed 2026-10-27

AI can help investigators summarise evidence, but every summary must match the source and sensitive files must not go into unapproved tools. An inaccurate or one-sided report can make a dismissal unfair and lead to a claim against the investigator.

Part of: AI in HR consultants

In short

HR consultants acting as investigators use AI to transcribe interviews, summarise evidence and draft reports. AI summaries can lose nuance, misattribute remarks or adopt one side's framing, and a tribunal may find the investigation unfair as a result. Grievance files often contain special category data, so putting them into public AI tools risks breaching confidentiality and the CIPD duty to safeguard personal data. PI usually covers investigation work within your declared services, subject to the wording, but check defamation cover and how data protection claims are treated.

How AI is used in investigations

Workplace investigations generate large amounts of material: interview transcripts, emails, chat logs, CCTV notes and policy documents. HR consultants acting as independent investigators may use AI tools to transcribe interviews, summarise evidence, build chronologies and draft investigation reports. Done well, this saves time. Done badly, it puts words in witnesses' mouths and conclusions in the investigator's report that the evidence does not support.

Accuracy and neutrality challenges

An investigation report is often central evidence at tribunal. The other side will test it for fairness and accuracy. Common AI-related weaknesses include:

Summaries that lose nuance. A denial becomes a partial admission, or a qualification disappears.
Invented or merged detail. Statements attributed to the wrong witness, or details that no one said.
Loaded language. AI drafting can adopt the framing of the complainant or the employer, making the report look one-sided.
Unexplained reasoning. A conclusion the investigator cannot trace back to specific evidence.

If a tribunal finds the investigation was not reasonable or even-handed, a resulting dismissal or grievance outcome can be found unfair, and the investigator's competence may be criticised.

Transcription tools add their own risks. Accents, crosstalk and technical vocabulary can produce errors that change meaning, and an unchecked transcript may later be disclosed as if it were an accurate record of what was said. Witnesses should be given the chance to confirm their account before it is relied on.

Confidentiality of sensitive allegations

Grievance and disciplinary files often contain allegations of harassment, health information, sexual orientation or other special category data. Putting that material into a public AI tool can breach confidentiality and data protection law. The CIPD Code requires members to safeguard confidential and personal data (professional service and competence, cl.4) and to respect privacy rights (civic virtue and stewardship, cl.5). The CIPD's AI advice flagged data security and GDPR risk with generative AI tools. Witnesses who learn their account was processed by an external AI tool may also complain, and from 19 June 2026 employers must have a data protection complaints procedure (ICO summary of DUAA).

The duties that apply

Professional service and competence cl.2: an evidence-based service.
Good character cl.5 and cl.6: judgement free from bias, and disclosure of conflicts, such as a long-standing relationship with the client's management.
Positive and active impact cl.1: fair and consistent processes.

What can go wrong

Illustrative: an independent investigator uses an AI tool to summarise twelve interview transcripts in a bullying grievance. The summary attributes a key remark to the wrong witness, and the report relies on it to uphold the complaint. The accused manager is dismissed, brings an unfair dismissal claim and shows the transcript does not support the finding. The client loses and blames the investigator, and the manager also complains that his interview was uploaded to an external tool.

How PI usually responds

PI for HR consultants usually covers investigation work where it is within the described professional services, subject to the policy terms. Claims can come from the client, and occasionally from individuals named in a report alleging defamation, so check whether your policy includes defamation cover. Data protection claims arising from uploading evidence to AI tools may sit partly outside PI; see AI and employee data confidentiality.

Practical controls

Use only AI tools the client has approved, with no training on inputs.
Check every AI summary against the original transcript.
Quote witnesses directly for key points.
Link each finding to specific evidence in the report.
Record what AI was used for in the methodology section.
Have a second person read the report for balance before it is issued.

How Apex helps

Apex arranges PI for HR consultants who carry out independent investigations. A broker can check that investigation work and defamation risk are within your cover. Related: AI in tribunal paperwork and AI in HR consulting.

Sources

Frequently asked

Can investigators use AI to summarise interview notes?

Yes, as long as every summary is checked against the original, the tool is approved for confidential data, and the investigator's conclusions rest on the evidence. Key points should be quoted directly rather than paraphrased by AI.

Should an investigation report say AI was used?

There is no specific rule, but noting it in the methodology is good practice. It shows transparency and makes clear that the investigator, not the tool, weighed the evidence and reached the conclusions.

Is it a data breach to put grievance files into a public AI tool?

It can be. Grievance files often contain special category data, and sharing them with an external tool without a lawful basis and proper safeguards may breach data protection law and the CIPD duty to safeguard personal data.

Does PI cover investigation work?

Usually, if investigations are within the professional services your policy describes, subject to the terms. Check for defamation cover and how data protection claims are treated.

Check your PI covers how you use AI

Tell us about your firm and the work you do. A broker will review how your current PI treats AI-assisted work, or arrange new cover. No fee for a quote. Or call 0117 325 0027.

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Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales, company number 07014570. This page is general information about how AI is used in the profession and how insurance may respond. It is not legal, regulatory or insurance advice on your circumstances, and it does not guarantee that cover will be available or on what terms.