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Investigation expertise and training


Serious workplace and student complaints, bullying, harassment and whistleblowing need watertight processes and professional handling. We deliver the expertise needed to resolve cases as fairly, robustly and timely as possible.

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Investigation expertise and training

Investigation services and training across the EMEA


Refer a case for investigative services

Refer a Case

We can take on one-off investigations – providing a watertight service when there are high levels of risk for the organisation and its reputation. We can support you to manage serious and complex cases, including, complaints, disciplinaries, grievances, bullying, sexual harassment, compliance and whistleblowing concerns.

Training mediators to investigate

Investigation Skills Training

Develop an internal capacity for setting up and running workplace investigations in line with best practice standards. Training ranges from short courses and workshops to our ILM Endorsed The Professional Workplace Investigator and advanced masterclasses, these can be delivered in-house for groups of four or more, and Public courses are available for individuals.

Contracted investigation services


Access our independent and highly-experienced workplace investigators whenever they’re needed: an established process and fair and rigorous reports into complaints, grievances, bullying and harassment for you to use in your decision-making.

How we help

When there are tangles of claims and counter-claims – sometimes including the senior team – organisations need to demonstrate the highest levels of professionalism. Increasingly, the world is watching.

CMP has been carrying out workplace investigations on behalf of employers for 30 years into compliance and whistleblowing issues, complaints and grievances, bullying and harassment, and more. Our experience has made us the UK’s leading provider. We have an established network of highly experienced investigators, based in locations across the UK, who will deliver a fair, robust and quality service in line with legislation and best practice.

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Contracted Investigation Services

Involving independent investigators means reducing the risk of mishandled cases and reliance on senior managers and HR for time-consuming tasks, particularly during periods of major organisational change. CMP’s experts work to consistent standards and processes. They’re able to encourage more trust and willingness to participate among employees, and allow a resolution to be reached more quickly. Critically, using an independent investigator limits the potential for failure at appeals and the risk of claims being escalated into formal employment tribunals.

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Refer a case

The most serious and complex investigations – such as workplace grievances, bullying or harassment – demand a sensitive and rigorous approach, for the sake of the individuals involved and the organisation. Using a CMP investigator provides the reassurance that you are working with the UK’s leading provider. Investigation cases are typically resourced within 2 days and completed in a timely manner, to limit disruption and stress for all involved.

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Investigation Skills Training

Our ‘Professional Workplace Investigator’ programme is endorsed by the ILM and is led by highly experienced workplace investigators, drawing on their hands-on work in organisations.

The course equips staff with all they need to carry out any type of internal investigation, from grievance, bullying, harassment and disciplinary investigations to whistleblowing concerns. The course has also been adapted to train investigators conducting sector-specific investigations; such as student complaints as well as serious incidents and ‘never events’ in health and social care.

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CMP White Papers

Resources & Further Reading

When Employees Speak Up

The CMP guide to establishing the best grievance, disciplinary and whistleblowing systems.


The UK’s leading independent provider of

Workplace Relationship Management & Dispute Resolution Services

Our ambition is to create workplaces where people can really be authentic, bringing their ‘whole self’ to work, without the fear of conflict.

CMP is a pioneer of approaches to manage and improve workplace relationships – a prime mover in the development and adoption of professional approaches to mediation , investigation and Conversational Intelligence.

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The administration from CMP was exactly as it should have been, efficient, available and in the background. Throughout the process the investigator maintained a very professional approach and maintained confidence of all those involved in the case.

Senior Independent Director, South East Coast Ambulance Service