Investigations protect the quality of decisions

When a complaint, allegation or serious concern arises, employers often feel pressure to act quickly. Speed matters, but acting without a proper understanding of the facts can create bigger problems.

A workplace investigation helps the employer establish what happened, what evidence exists and whether further action is needed. It is a foundation for fair decision-making.

Be clear about the purpose

An investigation is not a disciplinary hearing and should not decide the outcome. Its purpose is to gather relevant information. The investigator should understand the issues they are being asked to explore and the questions that need answering.

Clear terms of reference can help, especially for complex matters such as bullying allegations, discrimination complaints, whistleblowing concerns or serious misconduct.

Choose the right investigator

The investigator should be sufficiently independent and capable. In smaller businesses, that can be difficult because managers may already know the people involved. External support can help where neutrality, sensitivity or complexity is a concern.

The investigator does not need to be a lawyer, but they do need to be fair, organised and able to assess evidence objectively.

Gather evidence carefully

Evidence may include documents, emails, messages, CCTV, rota records, policies, witness statements and interviews. The investigator should consider evidence that supports and challenges the allegation. A one-sided investigation is rarely safe.

Witnesses should understand the importance of honesty and confidentiality, while also being told that absolute confidentiality cannot always be guaranteed.

Interview with structure

Investigation meetings should be planned. Questions should be open enough to allow a full account but focused enough to address the relevant issues. Notes should be accurate and stored securely.

Where an employee is accused of something serious, they should usually have an opportunity to respond to the key points before conclusions are reached.

Write a clear report

The investigation report should summarise the issues, evidence gathered, relevant findings and whether there is a case to answer. It should avoid unnecessary opinion and should not recommend a disciplinary sanction unless specifically required by the employer’s process.

The People Powered supports employers with independent investigations, investigation planning and employee relations case management.

This article is general information only and should not be treated as legal advice for a specific situation.

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Written by Andromeda Falconeri
The People Powered