SIL Consultants

An India-based independent functional-safety expert and trainer who facilitates SIL assessments and LOPA and holds both CFSE and TÜV Functional Safety Engineer credentials — a fit for oil & gas and fertilizer operators wanting a certified independent for SIL/LOPA and functional-safety work.

A senior process-safety and Major Accident Hazard specialist with a stated 35+ years across offshore and onshore oil & gas and downstream projects — a fit for operators wanting a HAZOP/SIL/LOPA chair with deep MAH-management, safety-case and functional-safety experience on large international projects.

An Australian engineering group whose dedicated functional-safety team facilitates or supports HAZOP, HAZID and LOPA workshops, a fit for resources, mineral-processing, chemical and oil & gas operators wanting hazard-and-risk facilitation alongside SIL verification and safety-instrumented-system design.

An independent Australian functional-risk and safety specialist covering the full facility lifecycle, a fit for oil & gas, chemical, petrochemical and semiconductor operators wanting HAZOP, HAZID, SIL and LOPA studies from a dedicated boutique.

A process-safety and loss-prevention consultancy offering HAZOP, HAZID and SIL facilitation with dedicated scribing, a fit for oil, gas and petrochemical operators wanting facilitated process hazard assessments backed by QRA and fire & gas engineering.

A UK process and functional safety consultancy running facilitated HAZOP, HAZID and LOPA workshops, a fit for high-hazard operators wanting experienced process-safety engineers to lead structured hazard studies and follow through on actions.

A Vadodara-based engineering consultancy offering process safety studies to India's chemical, petrochemical and refinery sector, a fit for process-industry operators and EPCs wanting HAZOP, HAZID, SIL and QRA studies alongside detail engineering and commissioning support.

A Houston fire, risk and process safety consultancy offering process hazard analysis facilitation alongside fire and explosion modelling, a fit for oil, gas, LNG and power operators wanting HAZOP/PHA facilitation combined with consequence modelling, LOPA and SIL work.

A UK functional safety and engineering consultancy providing HAZOP and LOPA facilitation, a fit for oil and gas, petrochemical, pharmaceutical and manufacturing sites wanting facilitator-led hazard studies within a wider functional safety compliance service.

A Cambridge-based functional-safety consultancy (trading name of FIABLE Limited) that provides independent HAZOP leaders and specialist recording software for in-person or remote HAZOP and LOPA studies, a fit for chemical, oil and gas and pharmaceutical operators wanting facilitation carried through to SIL determination and verification.

A Houston risk-technology firm whose HAZOP leaders hold a broad range of client-required certifications, a fit for oil and gas, LNG and petrochemical operators wanting HAZOP and HAZID facilitation linked to LOPA, quantitative risk analysis and consequence modelling for onshore and offshore facilities.

A Calgary process-safety consultancy whose team states it has facilitated thousands of risk assessments for EPCs and operators, a fit for oil and gas, refining and chemical clients wanting HAZOP, HAZID, What-If, CHAZOP and LOPA facilitation alongside QRA, functional safety and PSM support.

An independent Aberdeen engineering consultancy for oil and gas operators whose technical-safety team can cover activities from individual studies through to the provision of a HAZOP chairman, a fit for upstream and offshore operators wanting HAZOP and HAZID reviews alongside SIL, ALARP and safety-case work.

A Kerala-based engineering and functional-safety consultancy offering HAZOP and HAZID studies alongside SIL, LOPA and QRA, a fit for oil and gas, chemical and explosives operators in India needing process-safety studies planned around statutory requirements.

A London-based functional- and technical-safety consultancy that supplies both facilitator and scribe for HAZOP and CHAZOP studies, with TUV Rheinland certified Functional Safety Engineers, a fit for end users, EPCs and integrators wanting facilitation linked through to SIL classification and verification.

An independent UK process- and functional-safety consultancy in North Yorkshire whose key consultants have long-standing experience facilitating HAZOP and LOPA studies, a fit for oil and gas, petrochemical, pharmaceutical, fine-chemical and steel operators seeking confidential, standards-driven safety facilitation.

A Melbourne-based functional-safety specialist whose independent facilitators chair HAZOPs that feed directly into LOPA, SIL determination and safety instrumented systems work — a fit for operators wanting the study connected to the full IEC 61511 lifecycle.

A UK process- and functional-safety consultancy weighted toward energy-transition projects — a fit when a HAZOP sits alongside hydrogen, carbon-capture, renewables or nuclear scope and needs the wider PHA suite (HAZID, LOPA, SIL, QRA) around it.

A Doha-based engineering and safety consultancy offering third-party HAZOP, HAZID, CHAZOP, SIL and QRA studies aligned to Qatar and GCC regulatory expectations — a fit for operators wanting a locally present chair in the Middle East.

A small Virginia-based process-safety specialist that also operates in Qatar through a local sponsor — a fit for refining, chemical, manufacturing and pharmaceutical operators wanting a boutique PHA provider with US and Middle East reach.

A California-based process safety and environmental boutique offering HAZOP/LOPA facilitation with strong US regulatory coverage (EPA RMP, OSHA PSM, CalARP) — a fit for domestic operators needing PHA delivered inside a compliance program.

An Austrian process-safety consultancy (First In Safety Solutions) offering hazard and risk analysis — HAZOP, HAZID, LOPA, BowTie, SWIFT and FMEA — alongside engineering support and training, a fit for process-plant operators, manufacturers and planners in the German-speaking market.

An employee-owned safety-engineering and risk-management consultancy with offices across the UK and Australia, offering HAZOP and facilitation alongside safety-case, functional-safety and QRA work — a fit for high-hazard operators in oil & gas, nuclear, defence and rail.

A Netherlands process-safety consultancy that facilitates HAZOP and LOPA sessions as chair, scribe and subject-matter expert and supports SIL and action-tracking follow-up — a fit for process-industry operators in the Netherlands and wider Europe.

The Spanish-language arm of exida serving Latin America and Spain, listing HAZOP, HAZID and QRA among its process-hazard-analysis services alongside functional-safety and alarm-management work — a fit for process-industry operators wanting PHA facilitation in Spanish.

A Tehran process-safety group whose risk-analysis offering lists PHA, HAZOP, HAZID, SIL, LOPA, PSM and QRA for the oil, gas and petrochemical industries — one of the few Iran-based options for PHA facilitation.

A Perth risk-engineering consultancy that leads and chairs HAZID and HAZOP workshops — with ALARP demonstrations, SIL, and dangerous-goods and explosives risk management — a fit for Western Australian process, oil & gas and major-hazard facilities.

A Navi Mumbai HSE and risk-management consultancy for the oil & gas sector offering HAZOP and HAZID studies alongside SIL classification/verification, QRA, FERA and bow-tie analysis — a fit for operators wanting India-based PHA facilitation.

A Turkish process-safety consultancy providing HAZOP studies to IEC 61882, led by an experienced chair with a dedicated scribe, with LOPA, SIL determination and functional-safety support.

A Belgian process-safety and safety-engineering consultancy that facilitates HAZOP sessions — providing both chair and scribe — and carries results through to LOPA and SIF/SIL specification for SEVESO installations.

A Netherlands process-safety and risk advisory supporting Seveso/BRZO operators with HAZOP, LOPA, SIL and QRA studies using established PHA and bowtie software.

A Pakistan-based process, functional and technical safety consultancy that facilitates HAZOP studies with an independent facilitator, alongside HAZID, LOPA/SIL and quantitative risk studies for the oil & gas, petrochemical, chemical and power sectors.

A UK technical-safety practice offering experienced HAZID, HAZOP, LOPA and SIL facilitators and secretaries with full study coordination and project management; its facilitator services have been audited and approved by a number of major oil & gas operators and EPC contractors.

A Sarnia (Ontario) process-safety, reliability and risk consultancy offering PHA facilitation — HAZID, HAZOP and What-If — alongside LOPA, SIL determination and verification, alarm-management and RAM studies, and IEC 61511 life-cycle support.

An ADNOC-approved inspection and engineering consultancy (established in Cairo in 2001, now headquartered in Abu Dhabi with offices in Egypt, Iraq, Oman and Canada) whose Risk Engineering practice facilitates HAZID/ENVID, HAZOP/PHA, LOPA and SIL assessment studies for oil, gas and petrochemical assets.

A dedicated risk-engineering boutique in southern Brazil (Rio Grande do Sul) focused on industrial process-safety analysis — HAZOP, LOPA/SIL, What-If and quantitative risk assessment — alongside fire-protection engineering and hazardous-area classification.

Danish machinery- and process-safety specialist whose TÜV-certified functional safety experts facilitate HAZOP, HAZID, What-if and LOPA workshops on site — a fit for continental-European process and food plants wanting studies that feed straight into SIL and Seveso safety-report work.

A Polish process-safety and explosion-protection house operating since 1991 that organises HAZOP and CHAZOP studies alongside PHA and SIL analyses — a fit for dust-, gas- and reactive-hazard plants wanting facilitation from a team that also engineers the explosion-protection safeguards.

An İzmir-based instrumentation and process-control engineering firm that conducts and reports HAZOP studies and SIL assessments as part of its FEED-to-commissioning scope — a first Turkey entry for operators wanting HAZOP tied closely to instrumentation, ESD and fire-and-gas design.

A Tehran-based process-safety and risk-management consultancy — a first Iran entry — with dedicated HAZOP/SIL facilitators and scribes running hazard-identification and risk studies across the oil, gas and petrochemical sectors.

A Perth boutique whose consultants facilitate the full spread of major-hazard workshops — HAZID, HAZOP, SIL-LOPA, FMEA and ALARP — drawing on operator and technical-authority experience.

A Dutch HSEQ and process-safety consultancy whose specialists lead group hazard-identification studies — HAZOP, HAZID, LOPA, bow-tie, SIL and FMECA — for the oil, gas, chemical, tank-storage and wind sectors.

An Amsterdam-based process-safety consultancy strong on offshore and onshore oil & gas — facilitating HAZOP, HAZID, SIL and ALARP workshops from concept and FEED through operations, on a risk-based (ISO 31000) approach.

A Pune-based process-safety consultancy running the full PHA suite — HAZOP, HAZID, SIL, QRA and F&G mapping — across the project lifecycle, with a client footprint spanning the Middle East, Asia and Africa.

A Scottish consultancy that supplies both the chair and the scribe for HAZOP sessions and handles the study set-up, pairing HAZOP with SIL/LOPA and DSEAR support for COMAH-regulated sites.

A France-based engineering house serving oil & gas operators (with Algerian operations) that assigns HAZID, HAZOP and SIL facilitators, backed by QRA and bow-tie analysis and its EPC365 safety-management platform.

A Dubai-based Technical HSE and risk-management consultancy that runs HAZOP and HAZID studies alongside the wider functional-safety lifecycle (SIL determination, LOPA, SIL verification) — a fit for operators and EPCs needing Gulf-region facilitation.

An independent engineering and risk-assessment consultancy, founded in Perth with a Middle East office, that delivers PHA and HAZOP studies alongside functional-safety and SIL work for oil, gas and LNG operators.

Greek industrial-safety consultancy that runs HAZOP sessions with a certified HAZOP leader and dedicated scribes using PHA-Pro, feeding into LOPA (Bow-Tie) and SIL work to IEC 61508/61511 — a fit for South-East European process sites wanting an ALARP-oriented study.

Munich-based independent functional-safety engineering company covering the full IEC 61511 safety lifecycle — from HAZOP/HAZID and LOPA through SIL determination and verification — with CFSE-certified engineers, a fit for pipeline, petrochemical and power operators in continental Europe.

UK functional-safety practice specialising in IEC 61511 since 2007, offering an independent HAZOP facilitator/chairman and SIL assessment chairman (LOPA or risk graph) plus SIL verification with exSILentia — a fit for operators wanting a self-contained functional-safety review.

Welsh electrical and functional-safety engineering firm whose TÜV-certified SIS engineers lead HAZID/HAZOP studies and integrate with client process-engineering teams, either standalone or as part of a QRA — a fit for UK process operators wanting HAZOP tied to safety-instrumented-system design.

Indian EHS consultancy whose process-safety division facilitates HAZOP and other process-risk studies (PHA, LOPA, SIL, QRA, PSSR) with a multidisciplinary-team approach and refinery-sector clients — a fit for Indian operators wanting PHA facilitation within a broader safety practice.

Health & safety training and consultancy firm with offices in Cork and Manama whose process engineers state more than 30 years of HAZOP, LOPA, SIL and ATEX experience — a fit for operators in Europe and the Middle East wanting facilitated HAZOP/LOPA/SIL studies run on established PHA software.

Small, independent US process-safety consultancy that facilitates HAZOPs, dust hazard analyses and LOPAs and shares its methods so client teams can carry the work forward — a fit for chemical, refining, oil-and-gas and grain-handling operators wanting lean, facilitator-led studies.

Process-risk consultancy with offices in Venezuela and Ecuador serving the oil, gas and petrochemical sector across the region — a fit for Spanish-speaking Latin American operators wanting HAZOP, HAZID, LOPA and SIL work from a local specialist.

Interdisciplinary engineering house that organises, moderates and documents HAZOP/PAAG risk analyses with an external team — a fit for process plants (notably sugar, food and chemicals) wanting the study run within a wider engineering practice.

Process-safety engineering firm with 20+ years in Brazil offering HAZOP led by a study leader alongside a full PHA toolkit (LOPA, SIL, FMEA, FTA, QRA) — a fit for Brazilian process and chemical operators wanting studies within a dedicated loss-prevention practice.

Vadodara-based process-safety consultancy pairing HAZID/HAZOP studies with functional-safety (SIL) and QRA work — a fit for oil & gas, refining, petrochemical and pharma operators in India wanting these studies from a dedicated process-safety shop.

Process-safety consultancy that pairs independent HAZID and HAZOP facilitation with LOPA, SIL identification and ATEX/DSEAR work — a fit for hydrogen, aerospace and chemical operators needing hazard studies tied to European explosion-safety compliance.

Multidisciplinary fire, HSE and technical-safety consultancy serving Sub-Saharan Africa whose process-safety unit facilitates HAZOP and HAZID studies alongside LOPA, bow-tie, QRA and safety-case work — a fit for Nigerian and West African oil & gas operators.

Indigenous Nigerian engineering firm whose in-house technical-safety team facilitates HAZID and HAZOP workshops alongside SIL, QRA, FERA and safety-case development — a fit for Niger Delta oil & gas and pipeline projects.

Saudi risk-engineering and process-safety firm based in Dammam whose services span HAZOP, HAZID, LOPA/SIL, bow-tie and QRA — a locally based option for oil & gas, petrochemical and LNG operators in the Kingdom.

A Swiss plant- and process-safety boutique whose HAZOP, LOPA, SIL and FMEA workshops are moderated by specialists with chemical- and plant-engineering backgrounds — a fit for chemical, pharmaceutical and process-industry operators in the Alpine region wanting risk studies delivered as living operational documents, in German, English or French.

The process-safety practice within a UK multidisciplinary consultancy, providing HAZID and HAZOP facilitation with technical scribes and PHA Pro / Bowtie XP documentation — a fit for COMAH- and DSEAR-regulated operators, distilleries and high-hazard manufacturers across the UK who want studies integrated with wider compliance and engineering work, delivered remotely or on-site.

A US process-safety consultancy whose FidelisCore team provides experienced, independent PHA facilitators for HAZOP, What-If and LOPA studies across refining, petrochemical, hydrogen and LNG operations — a fit for OSHA PSM-covered operators needing initial PHAs, five-year revalidations or MOC-triggered studies led by an independent chair.

A plant-engineering firm that runs HAZOP studies with its own in-house moderators — a fit for operators who want the facilitator and the plant designer under one roof, drawing on the firm's detailed knowledge of the plant's own parameters.

An independent German process-safety engineer who pairs PAAG/HAZOP moderation with Seveso/Störfall safety reporting and functional safety — a fit for German-regulated sites wanting a single independent facilitator conversant with StörfallV and IEC 61511.

An oilfield engineering consultancy whose facilitators have chaired greenfield and brownfield PHA workshops for Gulf national oil companies — a fit for upstream and downstream operators wanting HAZOP facilitation embedded within a design-engineering house.

The Colombian arm of an established international HSEC consultancy offering full-spectrum PHA — HAZID, What-If, HAZOP and LOPA — alongside functional safety and QRA, a fit for Spanish-speaking operators in the Andean region and across Latin America.

A Texas-based safety, risk and fire consultancy whose consultants facilitate and scribe the full range of PHA studies — HAZOP, HAZID, LOPA, What-If, FMEA, Bow-Tie and SIS reviews — a fit for Gulf Coast refining, petrochemical and chemical operators needing an independent facilitator, a scribe, or revalidation of existing studies under OSHA PSM and EPA RMP.

A long-established South American process safety consultancy that facilitates the full Hazop > LOPA > SIL cycle plus HAZID, What-If, FMEA and Bow-Tie, and works in Portuguese across more than 50 industry segments — a fit for Brazilian and regional operators wanting a facilitator grounded in OSHA PSM and CCPS Risk-Based Process Safety, including procedure and human-factors HAZOPs.

A New Delhi hydrocarbon-industry consultancy whose lead facilitator, a Chartered Engineer and IChemE member, independently chairs HAZOP and SIL/LOPA studies from FEED and concept through EPC and commissioning — a fit for refinery and petrochemical operators in India and the Gulf wanting an independent chair for new-project or revalidation HAZOPs, including integrated HAZOP-plus-SIL sessions.

A Queensland process- and functional-safety engineering practice that facilitates HAZOP, HAZID, LOPA and AS2885 Safety Management Studies in-house — a fit for Australian oil & gas, LNG and pipeline operators wanting workshop facilitation tied to the full IEC 61511 safety lifecycle.

The technical safety studies practice of a Dubai HSE provider, running HAZOP workshops led by company-approved HAZOP chairs alongside HAZID, FERA, SIL and safety-case work — a fit for UAE, Saudi and wider GCC oil, petrochemical and EPC projects wanting locally based process-hazard facilitation.

Jakarta industrial-engineering and EPCM consultancy whose safety-studies practice delivers HAZID and HAZOP alongside SIL, FERA and QRA — a fit for Indonesian and wider Asia-Pacific energy and process projects wanting hazard studies integrated with design engineering.

Glasgow multidisciplinary engineering consultancy that provides chair and scribe for HAZID, HAZOP and LOPA within a broader process-safety design offering — a fit for UK chemical, distilling and energy sites wanting facilitation alongside COMAH, DSEAR and functional-safety support.

UK process-safety boutique offering the full PHA-to-SIL workshop chain — HAZOP, HAZID, E-HAZOP, LOPA, Risk Graph and SIL verification — led by IChemE-trained, TUV-certified functional-safety facilitators, a fit for operators wanting one team from hazard study through to safety-integrity verification.

Independent, vendor-neutral process- and machine-safety consultancy based in the UK and serving clients globally, offering HAZOP, HAZID and LOPA facilitation plus functional-safety engineering — a fit for operators wanting PHA led by functional-safety specialists.

Long-established asset-integrity and HSE consultancy with a large multi-office footprint across the Middle East and Asia — a fit for operators who want HAZOP and HAZID facilitation bundled with wider asset-integrity, inspection and engineering support.

Mumbai-based process-safety and risk consultancy covering the full study set from HAZOP and HAZID through SIL, QRA and consequence analysis — a fit for Indian oil, gas and chemical operators wanting hazard studies and quantitative risk work from one team.

Abu Dhabi HSE consultancy whose workshop-facilitation service covers HAZOP, HAZID, OHID, ENVID and SIL studies — a fit for UAE operators wanting a local facilitator to run structured hazard workshops across a project.

A Houston-area (Pearland, Texas) process-safety consultancy whose facilitators have led hundreds of PHAs — HAZOP, HAZID, LOPA, What-If and SIL — for oil & gas, petrochemical, refining and ammonia-refrigeration sites, a fit for OSHA PSM / EPA RMP-covered US operators wanting an experienced independent PHA chair.

A Perth-based safety consultancy whose HAZOP facilitators specialise in surface and underground mining methods, mineral process plants and specialised equipment — a fit for miners and minerals processors wanting a facilitator who knows the plant as well as the method.

An Australian risk and process-safety consultancy with offices in Sydney, Melbourne and Perth that provides HAZOP facilitators across Australia and Asia, recording studies in PHA-Pro — a fit for onshore/offshore oil & gas, chemicals and infrastructure projects in the region.

A UK functional-safety specialist (IEC 61508 / 61511) whose HAZOP studies are led by several experienced, operator-approved HAZOP chairs and recorded in its own ProSET PHAComp software — a fit for onshore and offshore projects that need PHA joined up with SIL determination and verification.

A Calgary operational-risk-management firm focused solely on PHA and decision support, delivering HAZOP and LOPA with a structured decision-analysis approach and its own HAZOP360 software and PHA training — a fit for operators who want risk studies that translate into defensible investment decisions.

A Nigerian process- and loss-prevention engineering firm based in Warri offering HAZOP/PHA facilitation alongside SIL, LOPA, HAZID and QRA work — one of the few options for operators wanting facilitation sourced from within the Niger Delta industrial belt.

A US process-safety consultancy focused on PHA/HAZOP facilitation and SIL/LOPA verification for petroleum and energy operators, offering either a combined lead-and-scribe facilitator or a separate scribe, and fluent in PHA-Pro and PHAWorks documentation.

A South African process-safety and major-hazard risk engineering firm that facilitates structured HAZOP workshops aligned to IEC 61882 and CCPS hazard-evaluation guidance, working under the Major Hazard Installation Regulations and SANS standards — a second South African option in the directory, operating from KwaZulu-Natal across Durban, Johannesburg, Pretoria, Cape Town and beyond.

A Canadian process-safety boutique focused on chairing and facilitating PHA sessions — HAZOP, HAZAN, HAZID, What-If, LOPA and SIL — that travels to client sites worldwide, with a sideline in PHA methodology and PHA-Pro software training for oil & gas, chemical, petrochemical and mining operators.

A small Scotland-registered process-safety and engineering boutique offering the leadership of formal engineering reviews — HAZOP, HAZID, SIL, LOPA and FSA — combined with process simulation and modelling, a facilitator-plus-analysis pairing for operators wanting studies and design support from one team.

Dubai-headquartered technical-safety consultancy with a Qatar office and a named HAZOP/CHAZOP chairman, running major-project safety-study campaigns across the Gulf — a fit for oil & gas and refinery HAZOP, Control HAZOP and Electrical HAZOP (SAFOP) work in the UAE, Qatar and the wider region.

Perth-based independent risk and safety consultancy with an in-house facilitator team — a fit for Western Australian resources and processing projects wanting HAZOP, HAZID and LOPA workshops chaired by third-party facilitators at any project stage.

One of the first Vietnamese-owned independent HSE consultancies, with a long published HAZOP project list for offshore operators and onshore plants — a fit for projects in Vietnam and the wider Mekong region needing local facilitators familiar with domestic operators and regulators.

Calgary process- and functional-safety boutique whose named principals hold CFSE and TÜV Rheinland functional safety credentials — a fit for Canadian and US operators wanting PHA facilitation joined up with SIS/SIL lifecycle, alarm management and fire & gas work under CSA Z767 and IEC 61511.

UK process safety specialist within a group covering functional safety and OT cyber security — a fit for COMAH sites wanting hazard studies 0/1, HAZID and HAZOP chaired to BS EN 61882 with LOPA-based SIL determination carried through to IEC 61511.

Process-safety-led Indian HSE consultancy founded by a process safety specialist — a fit for operators in northern India wanting HAZOP and HAZID studies alongside QRA, SIL work to IEC 61511 and fire safety audits from one team.

Independent HAZOP/LOPA chairman working full-time as a facilitator since 2020, with a prior process-design career at Jacobs, Occidental and CCED Oman — a fit for operators who want a chair who has done the upstream design work, and for long-running facility revalidation HAZOPs measured in months rather than weeks.

Taiwan-based independent process safety consultancy — a fit for East Asian and cross-regional projects wanting HAZOP, CHAZOP and Electrical HAZOP facilitation overseen by CFSE-certified consultants, with in-house PHA software.

Bahía Blanca-based process safety and engineering consultancy running HAZOP studies in Spanish with experienced study coordinators — a fit for Argentine and South American chemical, petrochemical and oil & gas operators wanting a local-language facilitator plus engineering support.

Cork-based process safety boutique facilitating HAZOP/PHA to best-practice IChemE methodology and providing experienced scribes — a fit for Irish and UK chemical and pharmaceutical (COMAH) sites wanting studies that feed forward into LOPA and SIL.

Independent UK risk consultancy with a large facilitator network and offices across the Gulf and Central Asia — a fit for onshore and offshore oil & gas campaigns needing a HAZOP chairman, scribe and software across the UK, Middle East, Kazakhstan and Nigeria.

Spanish process-safety boutique offering HAZOP studies in Spanish and English alongside SIL and LOPA work to IEC 61508/61511 — a fit for Iberian and international oil & gas, chemical and pharmaceutical operators wanting PHA that feeds into functional safety.

Nordic technical-safety and risk consultancy facilitating and recording HAZOP studies to IEC 61882, with principal consultants across a broad industrial base — a fit for chemical, energy and green-transition projects across the Nordics and wider Europe.

Independent French process-safety and automation engineer with 35 years' experience, taking HAZOP studies through to LOPA, SIL determination and IEC 61511 safety-instrumented-system design — a fit for SEVESO/ICPE sites wanting one hand from risk analysis to safety automation.

Indonesian engineering house that organises and runs HAZOP studies with a dedicated leader and scribe as part of FEED and detailed-design projects — a local option for oil & gas, petrochemical and power projects across Indonesia, backed by CFD flare and dispersion analysis.

Argentine engineering and process-safety consultancy delivering HAZOP studies in Spanish with regional reach across Argentina, Bolivia and Spain — a fit for South American operators wanting a local-language facilitator and full risk-study menu.

Dedicated HAZOP/PHA boutique whose leaders are chemical and process engineers; it runs studies bilingually in local languages and offers 'HAZOP as a Service' with post-study action follow-up — a fit for multinational or resource-limited projects across Europe.

Chennai-based process-safety engineering house running PHA studies within a broad technical- and functional-safety practice, and accredited by Gulf operators KOC and ADNOC — a fit for Indian and Middle East oil & gas and petrochemical projects.

Athens-based industrial-safety firm with a certified HAZOP leader and experienced scribes, pairing HAZOP with LOPA and SIL verification plus niche practices in ATEX, ammonia, hydrogen and battery-storage safety — a fit for Greek and wider Mediterranean and Middle East operators.

Multi-disciplinary Omani engineering house with a broad technical-safety menu — a regional option for GCC oil & gas and industrial projects wanting HAZOP alongside HAZID, SIL, and QRA under one roof.

Glasgow-based process safety consultancy that chairs and scribes HAZOP studies and runs HAZID and LOPA across all industries, with a distinctive footprint in distilling and renewables — a fit for sites inside or outside the classic oil & gas core wanting independent facilitation or an experienced scribe.

Netherlands-based process and process-control engineering consultancy offering HAZOP and LOPA facilitation aligned to IEC 61511 — a fit when the study is expected to feed directly into functional-safety and SIF design.

Melbourne-based facilitators are chartered engineers who bring their own technical secretary and scribing software — a fit for Australian operators wanting an independent chair plus a fully minuted study.

Malaysian process safety house led by TÜV-certified functional safety engineers, pairing HAZOP facilitation with SIL work on offshore, FPSO/FLNG, and refinery assets.

UAE-based practice with a broad PHA and safety-study menu — a regional option for Gulf oil & gas, petrochemical, and EPC projects needing HAZOP, HAZID, and SIL under one roof.

Kuala Lumpur-headquartered process safety firm with offices across SE Asia and the UK, and a growing hydrogen and CCS/CCUS safety practice — relevant as HAZOP demand extends into energy-transition projects.

Small independent Dutch practice led by a TÜV-certified functional safety engineer with a process-engineering background — a fit for continental-European chemical and food sites wanting HAZOP that feeds directly into SIL work.

The functional-safety heavyweight — the natural choice when your HAZOP feeds directly into LOPA, SIL determination, and safety instrumented systems work.

Combines HAZOP facilitation with in-house, ISO/IEC 17025-accredited dust flammability and chemical reaction hazard (DSC/ARC) testing labs — useful when a study raises reactive- or explosion-hazard questions the team can't answer from the P&ID.

Instrumented-safeguards specialists — a good chair when the study's real question is whether the interlocks and fire-and-gas coverage actually close the risk gap.

Full lifecycle shop: the same firm can facilitate the PHA, then engineer the safety systems the action items call for.