Hazard & Operability Studies
Every HAZOP consultant,
one directory.
Finding a good facilitator still runs on word-of-mouth and luck. We index the firms and independent chairs, by region, industry, and service — free to browse, free to be listed.
Read by working consultants: weekly industry news, notable studies, and a clear view of who's active where.
*OSHA PSM (29 CFR 1910.119) requires process hazard analyses to be revalidated at least every five years.
Latest news
A flash fire while moving a calcium carbide tote at Carbide Industries: a water-reactive solid, handled outside the process
Two contractors were burned on 6 October when a portable tote of calcium carbide was being moved at the Carbide Industries plant in Louisville. Early and limited as the detail is, it is a reminder that a water-reactive solid carries its hazard with it — into the yard, the tote and the transfer step, not just the reactor.
Read the story →Recently listed
All consultants →Berkeley Engineering Consultants
London-headquartered engineering consultancy with a long-running HAZOP/LOPA programme for Middle East operators — it states more than 750 project HAZOP/LOPA workshops for Saudi Aramco and more than 500 design reviews and HAZOPs for PDO — a fit for operators wanting facilitated baseline studies and revalidations of large refining, gas and petrochemical facilities.
Berkeley & Imperial
Small UK/US technical-safety and engineering-modelling consultancy that pairs HAZOP facilitation with in-house consequence and reliability modelling — a fit for upstream oil and gas and CO2 projects needing PHAs for OSHA PSM alongside safety cases, SIL allocation and quantitative follow-on work.
Vasudev Rao Bagayat
A veteran India-based independent HAZOP chairman with a stated four-decade-plus career spanning ammonia/fertilizers, oil & gas, refining, petrochemicals and specialty chemicals - including HAZOP, LOPA and SIL chairing engagements for major operators and international TIC firms across India, the Middle East and beyond - a fit for operators wanting a highly experienced independent chair for large or technically complex PHA studies.
SIL Safe
A North America-based functional-safety consultancy and training provider (IEC 61511 / IEC 61508), led by a PE and CFSE, offering PHA, HAZID, LOPA and SIL facilitation through to SIL verification, SIS design reviews and independent FSAs — a fit for oil & gas, renewable-natural-gas and chemical operators wanting vendor-independent functional-safety support, with delivery capacity worldwide.
SIL Consulting Services
A Mumbai-based functional-safety consultancy focused on the full IEC 61508/61511 lifecycle — CHAZOP and SIL/LOPA facilitation, SRS, SIL verification and independent Functional Safety Assessments (FSA 1–5) — led by a TÜV SÜD CFSE, a fit for process operators wanting a dedicated functional-safety and SIS specialist, including IEC 62443 OT-cybersecurity work.
ACSI Consultores S.A.C.
A Peruvian process-safety and industrial-automation consultancy offering a full process hazard analysis chain — developing and revalidating HAZOP studies, then LOPA for SIL determination and quantitative SIL verification of safety instrumented functions to IEC 61511 — one of the few dedicated facilitators serving South America.
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News & guides
All articles →News
A flash fire while moving a calcium carbide tote at Carbide Industries: a water-reactive solid, handled outside the process
Two contractors were burned on 6 October when a portable tote of calcium carbide was being moved at the Carbide Industries plant in Louisville. Early and limited as the detail is, it is a reminder that a water-reactive solid carries its hazard with it — into the yard, the tote and the transfer step, not just the reactor.
News
LNG Canada takes FID on Phase 2, doubling Kitimat to ~28 Mt/y — and the JGC-Fluor JV picks up the build again
The late-September final investment decision on two more liquefaction trains at Kitimat, with the same joint venture that built Phase 1 back as EPFC contractor, is a large design-stage safety-study signal — and the fact that it bolts onto a plant that is already producing is the part that shapes the scope.
Guide
HAZOP Beyond the Chemical Plant: Scope and an Indirect Benefit
HAZOP began as a study of chemical-plant process safety, but it now applies wherever people's safety is at stake. Sanjay Nigam on the broadened scope, and on how deviation guidewords force teams to think about abnormal conditions.
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