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COMAH Compliance Support for Major Accident Hazard Sites

Control of Major Accident Hazards (COMAH) Regulations

If your organisation operates a Lower-Tier or Upper-Tier COMAH site, you have a legal duty to prevent major accidents and reduce their impact on people and the environment. For this reason, effective COMAH compliance support is essential. It helps dutyholders demonstrate control of major accident hazards and meet the expectations of the Health and Safety Executive (HSE) and the Environment Agency.

At Evolution Safety Solutions, we provide COMAH compliance support to organisations operating high-hazard sites across the UK. In practice, this means helping dutyholders understand their obligations, manage risk effectively, and present clear, defensible evidence of compliance during regulatory inspection.

COMAH Compliance Support – At a Glance

Our COMAH compliance support covers:

  • Lower-Tier and Upper-Tier COMAH sites

  • Major accident hazard identification and assessment

  • COMAH notifications and regulatory engagement

  • COMAH Safety Report preparation and review

  • Safety management system alignment

  • Fire, explosion, and loss-of-containment risks

  • Emergency planning and preparedness

As a result, dutyholders gain clarity, confidence, and assurance.

What Are the COMAH Regulations?

The Control of Major Accident Hazards (COMAH) Regulations are designed to prevent major accidents involving dangerous substances. In addition, they aim to limit the consequences should an incident occur.

COMAH applies where defined quantities of hazardous substances are present on site. These substances may be toxic, flammable, explosive, or environmentally hazardous. As a result, COMAH sites are commonly found within chemical processing, energy generation, utilities, manufacturing, storage, and infrastructure sectors.

COMAH is enforced by the Competent Authority, which consists of the Health and Safety Executive and the Environment Agency. Therefore, effective COMAH compliance support must address both safety and environmental risk.

For further guidance, dutyholders should refer to official information published by the HSE and the Environment Agency.

Dutyholder Responsibilities Under COMAH

Under the COMAH Regulations, operators must:

  • Take all measures necessary to prevent major accidents

  • Limit the consequences of any major accident

  • Identify and assess major accident hazards

  • Implement and maintain effective safety management systems

  • Prepare and review COMAH documentation

  • Demonstrate compliance to the Competent Authority

  • Plan for emergency response and recovery

For Upper-Tier COMAH sites, this includes preparing and maintaining a COMAH Safety Report. This document must clearly show that risks have been reduced so far as is reasonably practicable.

Without suitable COMAH compliance support, these duties can be difficult to evidence during inspection.

Our COMAH Compliance Support Services

We provide structured and proportionate COMAH compliance support that reflects the complexity of each site. Our services include:

  • Major accident hazard identification and risk assessment

  • Gap analysis against HSE and Environment Agency expectations

  • Support with COMAH notifications and submissions

  • COMAH Safety Report preparation and independent review

  • Review and development of safety management systems

  • Fire, explosion, and loss-of-containment risk input

  • Emergency planning and response preparedness

Above all, our focus is on real risk control rather than unnecessary paperwork.

Our Approach to COMAH Compliance Support

Our approach to COMAH compliance support is practical and risk-based.

Firstly, we focus on credible major accident scenarios.
Secondly, we ensure controls are proportionate to the hazard profile.
Finally, we integrate COMAH requirements with DSEAR and fire risk management.

As a result, our work is clear, defensible, and suitable for regulatory scrutiny.

Why Choose Evolution Safety Solutions?

Experience in High-Hazard and Regulated Environments

Our consultants support organisations operating in complex and high-risk sectors. These include nuclear, utilities, engineering, construction, and major hazard industries. Consequently, our COMAH compliance support reflects both regulatory expectations and operational reality.

Demonstrable Competence and Regulatory Credibility

All COMAH compliance support is delivered or overseen by experienced consultants with strong technical and regulatory credentials. Furthermore, our team includes members and fellows of recognised professional bodies, along with consultants registered on the HSE Occupational Safety & Health Consultants Register (OSHCR).

Because of this, our advice is trusted by regulators, insurers, and senior leadership teams.

Independent and Practical Advice

We provide independent COMAH compliance support. Importantly, our advice is free from influence by equipment suppliers or installers. This ensures recommendations remain objective, proportionate, and focused on genuine risk reduction.

COMAH, DSEAR, and Fire Risk – A Joined-Up Approach

COMAH duties often overlap with DSEAR and fire safety legislation. For that reason, our combined expertise across COMAH compliance support, DSEAR risk assessment, and fire risk management allows us to take a joined-up approach.

As a result, gaps are reduced, duplication is avoided, and regulatory confidence is improved.

Frequently Asked Questions About COMAH Compliance Support

What is COMAH compliance support?

COMAH compliance support helps dutyholders identify major accident hazards, apply effective controls, and demonstrate compliance with the COMAH Regulations.

Who enforces the COMAH Regulations?

The COMAH Regulations are enforced by the Competent Authority. This includes the Health and Safety Executive and the Environment Agency.

How does COMAH link to DSEAR?

DSEAR focuses on fire and explosion risks, while COMAH addresses major accident hazards. Where both apply, integrated management improves consistency and compliance.

Speak to a COMAH Compliance Support Specialist

If your organisation is subject to COMAH, or nearing COMAH threshold quantities, early engagement with competent COMAH compliance support is essential.

Speak directly with an experienced consultant today.

Call: 03333 399 037
Email: info@evolutionsafetysolutions.co.uk

Or book us for COMAH Compliance Support for Major Hazard Sites here