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Process Safety Management
Process Risk Assessments

When your internal team is stretched, compliance gaps will become incidents.

Sigma-HSE provides specialist process safety consultancy solutions. Our consultants work alongside your EHS and engineering teams to close gaps, satisfy regulators and protect your operation, so no one is left carrying the exposure alone.
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Process safety compliance is never finished. Not when regulations change, audits arrive unannounced and your team is already stretched.

Most EHS and engineering leaders we speak to are dealing with at least one of these. Many are dealing with all three.

Stretched internal resources

Many teams carry too much responsibility. Deep process safety specialism is rarely something you can keep in-house.

Deadlines that don’t move

Unresolved compliance gaps will become audit findings, enforcement risk and the catalyst to production risk exposure.

Unable to self-certify

Internal reviews don’t satisfy regulators. Only independent, unbiased evidence closes findings and protects your workplace for good.

How Sigma-HSE closes the gaps

RESOURCE

The Specialist Depth Your Team Doesn't Have to Carry In-House

Most EHS and engineering teams carry broad responsibility but rarely have a dedicated process safety specialist on the bench. That gap doesn’t have to sit with your team.

  • Access specialist depth without building it in-house: Our consultants provide HAZOP leadership, ATEX classification and COMAH safety case development for exactly the duration you need.
  • Absorb compliance peaks without disrupting business as usual: we take on the workload spikes so your permanent team stays focused on running the operation.
  • Deliverables your team can own and maintain: everything we produce is clear, structured and actionable for the engineers and managers who will use it.

Sigma-HSE gives your EHS and engineering function the specialist capacity to meet complex compliance demands, so your permanent team stays focused on the work only they can do.

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INTEGRATE

Compliance Work That Moves at the Pace Your Operation Requires

Internal reviews, however thorough, rarely satisfy external scrutiny. The moment a gap is flagged, the standard of evidence changes. Your team shouldn’t have to meet that standard alone.

  • Satisfy audit findings with defensible evidence: we produce the accredited, traceable documentation your compliance record requires, not an internal review.
  • Reduce personal and organisational liability: independent consultancy creates a documented chain of due diligence that protects your team and your business.
  • Strengthen your safety case before the regulator does it for you: proactive hazard analysis is far less disruptive in time, money and operational disruption than responding to enforcement action.

Sigma-HSE gives your EHS, engineering and operations leaders the independent, regulatory-grade assurance to close compliance gaps with confidence, before they become enforcement issues.

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VALIDATE

The Independent Evidence Your Auditors, Insurers and Regulators Will Love

Internal reviews, however thorough, rarely satisfy external scrutiny. The moment a gap is flagged, the standard of evidence changes. Your team shouldn’t have to meet that standard alone.

  • Satisfy audit findings with defensible evidence: we produce the accredited, traceable documentation your compliance record requires, not an internal review.
  • Reduce personal and organisational liability: independent consultancy creates a documented chain of due diligence that protects your team and your business.
  • Strengthen your safety case before the regulator does it for you: proactive hazard analysis is far less disruptive than responding to enforcement action.

Sigma-HSE gives your EHS, engineering and operations leaders the independent, regulatory-grade assurance to close compliance gaps with confidence, before they become enforcement issues.

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How We Work

We scope the work properly, do it to a standard your auditors will love, and make sure your team can own what we leave behind. No vague retainers. No dependency on us to maintain what we’ve built.

Discovery and scoping

We start with a conversation, not a proposal. We ask the right questions about your site, your processes and your regulatory context, and give you a straight view of what's involved before anything is agreed.

Site assessment and documentation review

Our consultants come to your site, review your existing documentation and assess your processes against the relevant regulatory framework, identifying exactly what needs to be closed, nothing more

Analysis, findings and recommendations

We deliver clear, structured reports and compliance documentation your EHS and engineering teams can act on, present internally and defend under regulatory scrutiny. Written for the people who have to use it, not just the people who commissioned it.

Handover and ongoing support

We make sure your team understands what we've produced and why. After that, we stay available, for the next audit cycle, a process change, a new site. But on your terms, not ours.

Our consultancy solutions

Everything your process safety programme needs, under one roof.

Process Risk Assessments

factory in background with orange sky
DSEAR Risk Assessments >
Identify and control explosive atmosphere risks across your site.
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ATEX Assessments > 
Compliance for explosive atmosphere regulations, without the uncertainty.
neira assessment
NEIRA Assessments >
Confirm your non-electrical equipment is safe to operate.
someone-putting-an- industrial-fire-out
Fire Risk Assessments >
Meet fire safety obligations and protect your people and premises.

Process Safety Management

blue building with purple sky
HAZOP Studies >
Catch process hazards before they become operational or safety failures.
grey factory with blue sky in background
PSM Systems >
Build a safety management system your regulators and teams trust.
factory with smoke and orange sky
HAZID Studies >
Identify and eliminate hazards before they reach your operations.
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COMAH Assessments >
Meet your COMAH duties with confidence, however complex.
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Process Safety Analysis >
Reduce risk and optimise safety across your entire operation.
large high hazard factory against blue skyline
Comprehensive Safety Review >
Get a clear, independent picture of your site-wide safety performance.
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Process Hazard Analysis >
Maintain compliance with a structured, defensible hazard analysis programme.

Real clients.
Real compliance challenges.
Real outcomes.

Food & Beverages

Root Cause Analysis of Dust Incident in Cereal Processing Plant

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Chemical Manufacturing

Process Safety Transformation for Chemical Manufacturing Company

Read Case Study
Speciality Chemical

“The team at Sigma-HSE are professional, efficient, responsive and completed a thorough and detailed assessment of our process.”

Frequently asked questions

Minimal disruption. We scope the work around your operational constraints, active production lines, shift patterns, restricted access windows, and work alongside your EHS and engineering teams rather than around them. Most clients find the process surfaces things their team already suspected but hadn’t had the capacity to formally assess.

Most operations do. The issue isn’t capability, it’s specialist depth and bandwidth. HAZOP leadership, ATEX classification, COMAH safety case development and DSEAR assessment are disciplines that most in-house teams don’t carry full-time, and shouldn’t have to. We provide that depth when your programme needs it, without the overhead of a permanent hire.

Quickly. We understand that compliance gaps flagged by a regulator or insurer don’t come with generous timelines. Once we’ve had an initial scoping conversation, we’ll give you a clear view of what’s achievable and by when, and we’ll tell you honestly if the timeline isn’t realistic.

Yes. Every deliverable we produce is designed to satisfy external scrutiny, not just internal review. Our consultants are experienced working to the standards that DSEAR, ATEX, COMAH and industry regulators require, and our reports are structured to be defensible, by your team, to an auditor, under pressure.

No. We scope each engagement around what your programme actually needs. Some clients bring us in for a single assessment. Others work with us across multiple sites and audit cycles. Either way, the relationship works on your terms, we’d rather earn the next piece of work than lock you into something you don’t need.

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Compliance gaps don't close themselves.

The longer they stay open, the greater the audit, enforcement and operational exposure. Talk to a Sigma-HSE consultant today.
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