Independent Consultancy
Independent expertise in functional safety, industrial cyber security, and regulatory compliance for complex and high-hazard systems.
Engineering-led. Independently delivered. Built for environments where failure is not an option.
Our Track Record
Our consultants support organisations responsible for industrial operations, safety-critical infrastructure, and regulated environments.
We combine safety engineering expertise with advanced cyber security knowledge to ensure systems remain safe, secure, and compliant — from initial design through to operational lifecycle management.
With deep sector experience across energy, manufacturing, oil & gas, and defence, we deliver independent, engineering-led insight that organisations trust when it matters most.
Engineering-led. Independently delivered. Built for environments where failure is not an option.
What We Do
End-to-end capability across functional safety and industrial cyber security — delivered by engineers who understand both disciplines.
Lifecycle support for Safety Instrumented Systems and safety-critical control systems, from SIL determination through verification and validation.
Learn MoreIndustrial cyber security assessments and architecture reviews aligned with IEC 62443, protecting operational technology environments from emerging threats.
Learn MoreRisk assessments and regulatory compliance programmes for critical infrastructure, delivering structured remediation and audit-ready documentation.
Learn MoreEthical hacking and industrial system security testing to identify exploitable weaknesses before adversaries can — tailored to OT and ICS environments.
Learn MoreOur Approach
Most cyber security firms focus purely on IT networks and enterprise systems. Onyx operates differently — we combine deep safety engineering expertise with specialist cybersecurity capability.
This allows us to secure environments where safety, availability, and cyber risk intersect — environments where a misconfiguration can have real physical consequences.
Standards We Work To
Sectors We Serve
Deep domain knowledge across the industries where operational risk and cyber threat intersect most critically.
Power generation, transmission, and distribution networks — supporting safe and secure operations from generation to grid.
↗Process and discrete manufacturing environments — protecting production systems, safety controls, and automated processes.
↗Upstream, midstream and downstream facilities — managing complex safety and cyber security challenges in high-hazard environments.
↗Rail, road, and aviation control systems — ensuring safety-critical transport infrastructure remains resilient against cyber threats.
↗Mission-critical defence systems — independent functional safety and security assessments for the most demanding environments.
↗Cross-sector CNI protection — supporting government and private operators with safety, security, and compliance programmes.
Thought Leadership
A structured methodology for evaluating threats against industrial systems and operational processes — from asset identification to remediation planning.
Read More CompliancePractical guidance for organisations implementing the IEC 62443 framework, including zone and conduit design and security level assessments.
Read More SafetyHow the convergence of safety and security creates new risks for SIS environments — and what engineers and operators need to know.
Read More Incident AnalysisAn analysis of major industrial ransomware events — common attack vectors, operational impact, and defensive measures for OT environments.
Read MoreClient Access
Secure, direct access to your project records, compliance reports, and consultant support — all in one place.
Access workforce training records, certification documentation, and safety training logs to support audit readiness and regulatory compliance.
Secure access to safety assessments, cybersecurity audits, compliance reports, and action tracking dashboards to monitor risk mitigation progress.
Real-time insights into vulnerability status, security alerts, patch management data, incident logs, and OT network monitoring insights.
Direct communication with your assigned consultants — submit queries, request document reviews, schedule meetings, and track project updates.
Get Started
Speak with a specialist consultant about safety engineering, industrial cyber security, and compliance. We respond within one business day.
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