When your internal team is stretched, compliance gaps will become incidents.
Process safety compliance is never finished. Not when regulations change, audits arrive unannounced and your team is already stretched.
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
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.


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.
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.

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
Site assessment and documentation review
Analysis, findings and recommendations
Handover and ongoing support
Our consultancy solutions
Process Risk Assessments



Process Safety Management







Real clients.
Real compliance challenges.
Real outcomes.
Root Cause Analysis of Dust Incident in Cereal Processing Plant
Process Safety Transformation for Chemical Manufacturing Company
“The team at Sigma-HSE are professional, efficient, responsive and completed a thorough and detailed assessment of our process.”
Frequently asked questions
What does working with Sigma-HSE actually involve for my team?
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.
We have internal EHS and engineering resource. Do we actually need external consultancy?
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.
How quickly can you respond if we've had an audit finding or regulatory deadline?
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.
Will the documentation you produce hold up under regulatory scrutiny?
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.
Do we have to commit to an ongoing contract?
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.
