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Conducting Investigations

Serious issues in the workplace such as disciplinary, bullying or harassment, and grievances or whistleblowing must all be handled professionally. Fair people management and dismissals often hinge on the quality of the investigation stage. In this programme you will learn what best practice looks like to use in any workplace investigation situation.

Find out more

  • Format: Bespoke training
  • CPD: 1.5 hours for your records (depending on your requirements)
  • Certificate of completion


At a time when there is so much focus on fair treatment and outstanding people management, HR and line managers need to ensure their investigation skills are up to date.

During this programme, you'll not only learn how to carry out an investigation, but you'll also develop the soft skills needed to effectively communicate throughout the process.

Getting this stage wrong can be costly and as it is the first stage in a lengthy formal process this could cause a domino effect impacting every stage that follows.

Benefits of attending:

  • Learn what the ACAS guidelines and case law tells us in terms of how to conduct investigations in both disciplinary and a variety of grievance situations.
  • Understand how to scope and plan for an effective investigation.
  • Acquire tips and techniques for witness statements and report writing.
  • Take away a sample report format.

By the end of this course you will have:

  • Learned what a best practice investigation process look like, both in person and virtually
  • Acquired the skills to scope, plan and execute a quality investigation
  • Learned about impartiality, fact finding, confidentiality, note taking, interview and questioning skills, as well as active listening
  • A sample investigation report to adapt for use in your organisation
  • Enhanced your ability to complete lawful, thorough investigations to report outcome stage

Who Should Attend?

This online workshop is a must attend for anyone interested in developing these skills and is especially valuable for those in HR, or line managers who may be asked to conduct workplace investigations.

Expert Trainer

Toni Trevett FCIPD

Toni Trevett FCIPD is a mediator, consultant, and trainer in the related areas of People Management, Personal Development, Employee Relations and HR skills for both managers and HR specialists alike. She is also a management development coach working with some large multinationals on an on-going basis.

She is the founder of CompleteHR Ltd and clients have included Stihl, British American Tobacco Schlumberger, Shell, The Telegraph, Societe Generale, AAT, Invesco, Mitsubishi, Talbot Underwriting, Warner Brothers, Pepsi, Paramount, Walkers Snacks as well as numerous others and SME’s.

In addition to running public programmes, she works with numerous smaller organisations consulting, training and providing ongoing assistance to help them to improve their HR and people management.

Toni sits as a member of the Employment Tribunal for South London and this has given her an expert view in conducting investigations, grievance and disciplinary matters for client companies wishing to show best practice and an unbiased approach. She is recommended for assignments by a number of leading law firms and barristers.

Although she has been consulting and training now for many years her last employed position was as an HR Director within the BAA group. Here she gained considerable Employee and Industrial Relations experience.


What is the purpose of your workplace investigation?

Best practice and the law

  • the importance of a fair procedure
  • unfair dismissal: evidence and reasonableness
  • the requirements of the Acas code
  • what case law has taught us
  • dealing with grievance, whistleblowing, discrimination, harassment and bullying complaints

Scoping and planning the investigation

  • who is suitable to be an investigator and the role?
  • setting the scope and goals of the investigation
  • ordering an investigation
  • documentation and files: what should you ask to see?
  • complainant issues, witnesses and representatives

Conducting the interviews

  • purpose and structure of the interviews
  • standard opening introductions
  • controlling the discussion and focusing on the facts not opinions
  • impartiality and not leading witnesses
  • appropriate records or transcripts?
  • preparing statements: how to capture what is said
  • evaluating evidence: balancing conflicting and corroborating information

Investigation reports

  • simple v complex
  • what should the report contain?
  • who receives a copy
  • DSAR requests
  • findings and conclusions
  • making recommendations

We don't have any currently scheduled dates for this course but we can customise it to your requirements and deliver it on an in-house basis for any number of your staff or colleagues.

See below or contact us to discuss yor requirements.

Multiple colleagues?
Talk to one of our training experts to discuss how to:

Run this course conveniently and cost-effectively in-house for your staff and colleagues

Aleksandra BEER
Training expert

+44 (0)20 7749 4749