“How long does a workplace investigation take?” is a question I often hear as a workplace investigator. Whether you’re an employer or an employee, understanding the typical duration of a workplace investigation is crucial. While a quick resolution is always desirable, the reality is that most investigations require time to be thorough and fair.

I’ll break down the factors that influence the length of a workplace investigation and provide realistic timelines based on my experience.

Why workplace investigation timelines vary

Nature of the allegations

The duration of a workplace investigation heavily depends on the nature of the allegations. Complex issues such as workplace harassment, discrimination, or financial misconduct require a detailed and comprehensive approach, making these investigations take longer than those involving minor policy breaches.

Number of parties involved

The number of individuals involved in a workplace investigation, including complainants, respondents, and witnesses, can significantly extend the timeline. Coordinating multiple interviews, gathering testimonies, and cross-referencing information are time-consuming but essential steps in the process.

Availability of evidence

The collection and review of evidence—such as emails, documents, and digital records—are critical to the outcome of a workplace investigation. The more complex the evidence, the longer the investigation will take, especially if this evidence is difficult to access or requires extensive analysis.

Company policies and legal considerations

Internal company policies and legal obligations can also influence how long a workplace investigation takes. Strict procedures and legal considerations, especially in cases involving employment law, often require meticulous attention to detail, further extending the investigation timeline.

Typical duration of workplace investigations

If you’re wondering, “How long does a workplace investigation take?” here are some realistic timelines:

Minimum duration: 4 Weeks

Even in straightforward cases, a workplace investigation typically takes at least four weeks. This includes the initial assessment, interviews, evidence collection, and final reporting. Rushing these steps can result in an incomplete or inaccurate investigation.

Moderate cases: 6-8 Weeks

For moderate cases involving multiple incidents or conflicting accounts, expect the investigation to take between six to eight weeks. This time allows for thorough cross-referencing of information, addressing any discrepancies, and ensuring all relevant evidence is reviewed.

Complex cases: 10+ Weeks

Complex workplace investigations, particularly those with serious legal implications or extensive evidence, can take ten weeks or more. These cases require a thorough and detailed approach, ensuring all aspects of the investigation are handled properly.

The risks of rushing a workplace investigation

Incomplete investigations

Rushing through a workplace investigation can lead to incomplete findings. Missing crucial evidence or failing to properly interview all parties can result in incorrect conclusions, legal risks, and unresolved workplace issues.

Impact on involved parties

A rushed investigation can have negative effects on everyone involved, including complainants, respondents, and witnesses. It’s essential that all parties feel their concerns are being taken seriously and that the investigation is thorough and fair.

Long-Term organisational impact

From an organisational perspective, conducting a thorough workplace investigation is key to maintaining a positive workplace culture. A rushed or poorly handled investigation can lead to ongoing issues, decreased morale, and a loss of trust within the organisation.

How to manage expectations during a workplace investigation

Clear communication

Effective communication is crucial during a workplace investigation. Keep all parties informed about the process, the steps involved, and the expected timeline. Regular updates can help reduce anxiety and uncertainty.

Transparency about the process

Being transparent about the workplace investigation process is essential for managing expectations. Explain why each step is necessary and how it contributes to a fair and accurate outcome.

Setting realistic expectations

Setting realistic expectations from the beginning helps prevent frustration. While a quick resolution is desirable, it’s important to emphasise the need for a thorough investigation to ensure a just outcome.

Workplace investigations are complex processes that require time and careful consideration. Understanding how long a workplace investigation takes, and why it takes that time, can help manage expectations and ensure the process is thorough and fair.

If you’re concerned about the timeline of a workplace investigation, or if you have questions about the process, please feel free to reach out. A well-conducted investigation is key to maintaining trust and integrity in the workplace.

At Tell Jane, we can support your organisation in conducting fair and impartial workplace investigations through training in-house investigations or carrying out investigations on your behalf. 

Email us today at hello@telljane.co.uk to find out more.

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