Find out more about the industries we work with.

CompEx qualifications

Whether you are starting a career as a newly qualified electrical operative working in a hazardous environment, looking to work in a new type of industry, or you are simply up-skilling and developing your knowledge about hazardous locations, CompEx offer a broad range of qualifications which are essential for improving workplace safety and competency within potentially hazardous environments.

You can find out more by selecting one of the qualifications below or you can download our qualification documentation, which provides full details about each CompEx unit, including the key learning objectives and course content.

Qualifications available

Hazardous logos and signs

Foundation (ExF)

ExF is an introductory level, theory only course designed to provide an overview into potentially explosive or flammable environments where gases, vapours and dust can form a hazardous atmosphere.

Person using testing equipment

Foundation Plus (ExF+)

ExF+ has been designed to provide an introduction into potentially explosive or flammable environments where gases, vapours and dust can form a hazardous atmosphere.


Gas and Vapours (Ex01 – Ex04)

Ex01-Ex04 has been developed for electrical and instrument operatives working in hazardous locations where gases or vapours can form explosive atmospheres.

Factory workshop with dust in atmosphere

Dust (Ex05 – Ex06)

Ex05-06 has been designed for practicing electrical or instrumentation technicians who work in hazardous locations where combustible dust, fibres or flyings can form an explosive atmosphere.

Fuel Forecourts (Ex07 – Ex08)

Ex07-Ex08 has been designed for electrical and instrument workers who operate in fuel filling stations. This qualification consists of two units which cover the minimum requirements for safe working practices in these areas.

Sewerage plant

Water Utilities (Ex09 – Ex10)

Ex09-Ex10 has been developed for electrical and instrument operatives working in water supply, wastewater and water treatment sectors where gases and vapours can potentially create a hazardous environment.


Mechanical (Ex11)

Ex11 has been developed for mechanical operatives working in hazardous locations where gases, vapours or dusts can form explosive atmospheres.

Blue prints

Application Design Engineer (Ex12)

Ex12 has been developed to ensure the core competence of application design engineers who specify electrical equipment in hazardous areas.

Two smartly dressed men in a factory

Responsible Person (Ex14)

Ex14 has been developed for persons in senior supervisory roles, such as those responsible for managing staff, processes and procedures relating to potentially explosive atmospheres, electrical and non-electrical (mechanical) equipment, protective systems and installations.

Industries we work with

From food and drink or manufacturing businesses, to pharmaceutical and chemical production, or traditional power generation sectors such as oil and gas, CompEx offers a wide range of qualifications for a variety of industries which are suitable for those working in hazardous environments

Find a centre

Find your nearest licensed CompEx centre and get full contact details using our simple map facility

Retain certification

Achieving CompEx core competency is essential for practitioners who work in potentially explosive environments, but competency must be maintained following certification.

Resource centre

The CompEx resource centre provides all the essential forms, documentation and downloads that you may need for CompEx training and registration

  • What qualifications do I need to already have for my course?

    Full details of the entry requirements are listed on the individual qualification pages. Please see the page for the course you wish to attend.

  • How do I register?

    To apply for a CompEx qualification, candidates must register and apply via their preferred training provider.  To find a local training provider, please visit the Find a centre page.

  • How long are the qualifications?

    The length of each qualification varies and is dependent on the training provider.  Estimated durations are stated on each individual qualification page.  However, for accurate durations, please check with your preferred training provider.  To find a local training provider, please visit the Find a centre page.

  • What do I need to take with me on my first day?

    Candidates are required to take with them; photo ID and copies of qualifications they have obtained.  Please check if anything further is required with your preferred training provider.

  • What does the qualification cover?

    Please visit the individual qualification pages for an overview of the qualification.  If you require further detail on qualification content and learning objectives, you can download the qualification documentation from these pages.

  • How long am I certified for?

    All qualifications are valid for 5 years.  Candidates who successfully complete a CompEx qualification are certified for 5 years.  Before the certification expiration date (as printed on the CompEx certificate and CompEx ID card), candidates must either complete a full qualification or undertake a refresher course to retain valid certification.  Refresher courses are available for CompEx qualifications Ex01-Ex04 Gas and Vapours, and Ex07-Ex08 Fuel Filling Stations.

  • Is there a refresher course?

    Refresher courses are available for CompEx qualifications Ex01-Ex04 Gas and Vapours and Ex07-Ex08 Fuel Filling Stations.  Please see the appropriate qualification page.

  • What feedback will I receive?

    Candidates receive a diagnostic report based upon the assessments undertaken.  This is delivered via the chosen training provider.

  • How much do the qualifications cost?

    CompEx qualification costs vary depending on the qualification type, length and the training provider chosen.  Please contact your preferred training provider for accurate and up to date pricing of CompEx qualifications.  To find a local training provider, please visit the Find a centre page.

  • When are the courses?

    All CompEx training providers are independent and manage their own qualification schedules and candidate bookings.  To find out when the qualification you are interested in is running, please contact your preferred training provider.  To find a local training provider, please visit the Find a centre page.

  • Where can I do my course?

    CompEx has a global network of independent licensed training providers who deliver CompEx qualifications.  To find a local training provider, please visit the Find a centre page, where you will also be able to see what CompEx qualifications are offered and the training provider’s full contact details.

  • How do I make a complaint?

    All complaints should be made directly to the candidate’s chosen training provider.  If the complaint cannot be resolved and requires further action, a formal complaint can be escalated to CompEx in writing with a brief explanation of the complaint.  Please see the Contact page for full contact details.

  • How do I appeal against my assessment grade?

    Candidates who wish to appeal against a failure for a CompEx qualification should firstly contact their chosen training provider.  If further action is required, a formal notice should be sent to CompEx in writing detailing reasons for the appeal.  Please see the Contact page for full contact details.

Make an enquiry

If you would like to make an enquiry about the CompEx Scheme or require further information about any of our qualifications, please contact us by completing our enquiry form.

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