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Investigation meeting invitation (to witness) letter template

2 min read
£ 15
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Our Investigation Meeting Invitation (to Witness) Letter Template streamlines communication, ensuring witnesses understand their role, leading to efficient and effective investigations.

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What is an Investigation meeting invitation (to witness) letter?

An investigation meeting invitation letter formally invites an employee to discuss an issue requiring investigation. It includes purpose, date, time, attendees, procedure, confidentiality, and contact information for questions. Ensuring clarity, respecting rights, and maintaining confidentiality is vital.

What are the best practice implementation milestones / timescales?

Step Description Responsible Party Timing (Days from Decision)
1 Identify Need for Investigation: Identify the need to conduct an investigation and the role of the witness in the process. HR / Management Team N/A
2 Determine Investigation Details: Determine the date, time, and location of the investigation meeting for the witness. HR / Management Team Day 1
3 Prepare Witness Invitation Letter: Create a comprehensive Investigation Meeting Invitation Letter for the witness, including details of the meeting and their role in the investigation. HR / Management Team Day 3
4 Legal Review (Optional): If required, seek legal advice to ensure the invitation letter complies with legal and regulatory requirements. HR / Legal Team Day 5 (If applicable)
5 Issue the Invitation Letter: After finalizing the letter and obtaining necessary approvals, issue the Investigation Meeting Invitation Letter to the witness, formally inviting them to the investigation meeting. HR / Management Team Day 7 (Or as deemed appropriat
Investigation meeting invitation (to witness) letter template
investigation meeting invitation (to witness) letter template

What legal and best practice aspects should employers be aware of?

An Investigation Meeting Invitation (to Witness) Letter is supported by key employment legislation, ensuring fair treatment, data protection, and compliance:

  • Employment Rights Act 1996: Provides rights for employees during investigations.

  • Equality Act 2010: Ensures fair treatment and non-discrimination of witnesses.

  • Data Protection Act 2018: Protects the confidentiality and handling of witness information.

  • ACAS Code of Practice on Disciplinary and Grievance Procedures: Offers guidance on fair investigations.

  • The Health and Safety at Work Act 1974: Ensures the safety of witnesses during the investigation process.

Investigation meeting invitation (to witness) [Delete this line]

[Company name]

[Sender address]



[Recipient name]

[Recipient address]


Dear [Recipient first name],

We are currently in the process of conducting an investigation into [detail what the investigation is looking in to]. I understand that you may have [witnessed the actions/incident relating to this | useful information concerning these allegation(s)]. The purpose of the interview, in the first instance, is to establish the facts of the case from which disciplinary proceedings may follow.

As a possible witness to the actions/incidents you may be able to assist this investigation in determining if there is evidence to substantiate the allegations.

I am writing therefore to invite you to attend an investigation meeting with [name and job title] at [time] on [date] in [location] so that they may discuss the matter with you.

Please take with you any information that you think might be useful to the investigation.

Please note that this meeting is entirely a fact-finding exercise and it is not your conduct that is under investigation.

To ensure that the investigation can be conducted as fairly as possible we request that you keep the matter, and anything discussed at the investigation meeting, confidential. Any breach of confidentiality may be considered to be a disciplinary matter.

If you are unable to attend the meeting please contact me as soon as possible, so that alternative arrangements can be made.

Yours [faithfully | sincerely],



[Sender name]

[Sender job title]

[Sender telephone]
[Sender email]


The Investigation meeting invitation (to witness) letter template is issued by an employer
Issue path
The Investigation meeting invitation (to witness) letter template is issued to an employee
Why buy our Investigation meeting invitation (to witness) letter template?
  • You save time and effort with a professionally written, editable HR document that is tailored to meet best practice.
  • You ensure compliance with applicable ACAS Codes of Conduct and other legal requirements.
  • You are notified by email whenever this template or its supporting resources are updated.
  • You enjoy 12 months of unlimited access with no hidden fees or extra costs.
  • You unlock a 25% discount on all future purchases or renewals of our libraries, toolkits, and templates.

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