COMAH Training Course

CPD Approved RoSPA Approved
For me
For teams
  • 100% online training

  • Start when you like

  • Learn on any device (desktop, mobile or tablet)

  • Instant assessment and result

  • Train teams of all sizes

  • Bulk discounts starting at 10% off 10 courses

  • Learn on any device (desktop, mobile or tablet)

£25 +VAT

include vat

Includes a 10% discount for 10+ courses

Major accidents have the potential to cause serious damage to both people and the environment, so it is essential that the risks are carefully controlled.

This COMAH training course has been designed as a thorough introduction to the Regulations so that site operators understand more about what their legal responsibilities are in regards to keeping themselves, their employees and the environment safe from harm.

The course covers all aspects of the COMAH Regulations, including information on creating a Major Accident Prevention Policy (MAPP), and provides learners with an understanding of their responsibilities under the latest Seveso III Directive which applies to all COMAH establishments from 1st June 2015.

This course has been updated and is legally accurate in line with any guidance changes that have resulted from Brexit legislation - including any revisions to deadlines.
  • Written in compliance with the Control of Major Accident Hazards Regulations 2015 (COMAH)
  • Developed by health and safety professionals
  • Accredited by CPD and Assured by RoSPA Qualifications
  • Online training course and assessment with no time limits
  • Full audio voiceover
  • Approximate duration: 2 hours
  • Same day digital certificate. Printed certificate posted the next working day

Aims of the course

By the end of this course, you will:

  • Understand your responsibilities under the COMAH Regulations.
  • Know how to notify the Competent Authority.
  • Understand the legislative changes brought about by the Seveso III Directive and the CLP Regulation and how these affect workplaces.
  • Have knowledge of what to include in a Major Accident Prevention Policy, a Safety Management System and an Emergency Plan.


CPD Approved
RoSPA Approved

All of our courses are accredited by the CPD Certification Service as conforming to universally accepted Continuing Professional Development (CPD) guidelines.

This course is also assured by the Royal Society for the Prevention of Accidents through their RoSPA Qualifications Assurance System, as providing up-to-date, quality and content-approved training.

On successful completion of the course you will be sent a quality assured certificate through the post the next working day. This can be used to provide evidence for compliance and audit. 

Screenshots (click to view)

If you wish to try this course then register for a demo by clicking the 'interactive demo' button. You will be given the option to purchase and continue with your course at the end of your demo!

Interactive Demo

Course content

1What is COMAH?

What is COMAH?, who is affected?, what is a major accident?, what is a dangerous substance?, upper and lower tier establishments, non-COMAH establishments, and case study - Buncefield.

2The Competent Authority

Who is the Competent Authority?, notifying the Competent Authority, inspections, and enforcement of the law.

3The Seveso Directive

What is the Seveso Directive?, what are the changes?, the CLP Regulation, the Globally Harmonised System, hazard labelling and packaging, provision of information to the public, and the domino effect.

4Safety Management Systems

Risk assessment, HAZOP, ALARP, what is a MAPP?, what needs to be contained in a MAPP?, safety management systems, emergency plans, and actions to take following a major accident.

 Download Course Overview (PDF)


The online assessment is taken on completion of the training material. You will be asked 15 multiple choice questions with a pass mark of 80%. The answers are marked automatically so you will instantly know whether you have passed. If you don't pass don't worry! You can take the test as many times as you need with no extra charge.

Who should take this course?

This course is suitable for all operators, including employers, managers and supervisors, who have responsibility for the safe operation of their establishment. The COMAH Regulations apply primarily to those who work in the chemical industry, including those who store, handle, use and produce dangerous substances.

Course reviews

How do our courses work?

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Purchase and payment

Add your chosen course to your basket. Once you’ve added all the courses you need, follow our step-by-step checkout process where you can purchase using Debit or Credit card.

For companies ordering 5 or more courses, you’ll also be given the option to pay by invoice.

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Course access

Once you’ve completed your purchase, look out for an email containing the details you’ll need to start your training. 

If you’ve purchased a single course, we’ll send you a unique course code. You can use this to add your training to an existing account, or create a brand new one. 

Purchased multiple courses for training your team? We’ll email you all the login details you need to distribute to your staff.

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If your delivery address is in the UK, we will send a hard copy of your certificate to your UK postal address once you’ve completed your course. Although we try to deliver your certificates as soon as possible, please allow 3-4 working days for delivery.

Don’t want to wait? You can instantly download your digital certificate as a PDF after course completion.

Additionally, please note that if your company is paying by invoice we can only issue certificates after your order has been fully paid.

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Continued support

Our friendly customer support team is happy to help at any stage of your training. Call us on 0333 006 7000 or contact, and we’ll do our best to answer any questions you may have. 

Additionally, have you seen our help page? It’s full of useful information to help guide you through your training experience.