PHA Consultants

A Malaysia- and Singapore-based EHS and process-safety consultancy offering Process Hazard Analysis facilitation, a fit for ASEAN operators wanting PHA/HAZOP facilitation and PSM support alongside broader health, safety and environmental services.

A German process-plant engineering firm, part of the TUV NORD / DMT group, whose process-safety practice organises and runs HAZOP/PAAG studies, a fit for chemical, process-industry and hydrogen operators wanting HAZOP facilitation embedded within plant planning and engineering.

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 Melbourne process-safety practice covering major hazard facility work, a fit for Victorian operators wanting HAZOP, HAZID, LOPA and PHA studies alongside safety case development and consequence modelling.

A UK multi-disciplinary engineering, risk and compliance provider offering HAZID, HAZOP and FMEA facilitation, a fit for high-risk industrial sites wanting a senior-led team for process and electrical HAZOP studies alongside DSEAR and ATEX support.

An Alberta multi-discipline engineering consultancy listing PHA and HAZOP facilitation within its process-engineering practice, a fit for operators wanting hazard-study facilitation from a firm that also carries the process design work.

A Louisiana licensed engineering firm with a dedicated process hazards analysis facilitation practice, a fit for onshore and offshore oil & gas operators wanting facilitators, technical guides and scribes for full-facility HAZOPs, revalidations and what-ifs, including remote PHAs.

A California process-safety and regulatory-compliance engineering firm whose engineers facilitate and scribe HAZOP, What-If and HAZID studies, a fit for US operators managing EPA RMP, OSHA PSM and CalARP programs alongside their process hazard analyses.

A boutique process-safety consultancy focused on PSM compliance for oil and gas operating companies, a fit for small to mid-sized operators wanting remotely facilitated PHAs and HAZOP/LOPA reviews scheduled around operations.

An Indian engineering consultancy whose in-house team chairs HAZOP and HAZAN studies, a fit for energy and process-industry operators wanting HAZOP chairing and risk assessment alongside design, engineering and auditing 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 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 Newfoundland engineering consultancy that supplies expert leadership, facilitation and software for HAZID, HAZOP, PHA, LOPA and scenario-based risk assessments, a fit for onshore and offshore energy, mining and utilities operators in Atlantic Canada wanting facilitation alongside technical and process-safety engineering.

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.

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.

A combined process-safety testing and consulting house in Hyderabad with its own reaction-hazard and dust-explosion laboratory, a fit for chemical and pharmaceutical operators in India who want facilitated HAZOP and PHA studies backed by in-house test data.

A Calgary-based oil and gas engineering consultancy whose specialist services include facilitation of HAZOP, HAZID, What-If and LOPA studies by a Certified Functional Safety Expert, a fit for upstream, midstream and downstream operators running smaller tie-in, de-bottlenecking and optimisation projects.

A Houston-based oil and gas consultancy with a dedicated team of PHA facilitators offering on-site and remote HAZOP/HAZID facilitation, scribing and PHA revalidation, a fit for operators managing OSHA PSM, EPA RMP and BSEE SEMS compliance.

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.

A long-established UK multidisciplinary consultancy whose process-safety team lists HAZOP and HAZAN alongside COMAH safety reports, functional safety and consequence analysis — a fit for nuclear, chemicals, water and renewables sites needing UK-based PHA and ALARP support.

A principal-led Colorado process-engineering practice offering HAZOP and PHA facilitation and documentation as part of senior, PE-stamped support for regulated industrial projects — a fit for owners and EPCs needing on-demand process-safety facilitation.

An engineer-owned US process-safety consultancy that facilitates PHA/HAZOP studies alongside PSM/RMP program development, compliance audits and facility siting — integrated with asset-integrity, reliability and process-engineering services under one roof — a fit for refining, petrochemical and chemical operators across North America.

A Calgary process-safety-management consultancy offering Process Hazard Analysis alongside overpressure/relief risk assessment, fire-protection and loss-prevention consulting — a fit for Alberta oil & gas, petrochemical and process operators.

A German industrial-engineering consultancy that takes on the full HAZOP/PAAG safety study — preparation, facilitation, live documentation and results follow-up — alongside FMEA for process and plant risk.

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.

A UK multidisciplinary engineering design consultancy whose process department leads the HAZOP and FMEA process-safety reviews on its pre-FEED and detailed-design (FEED) projects.

A Canadian health, safety and process-safety consultancy offering HAZOP/PHA facilitation — HAZOP, LOPA, What-If and FMEA — alongside PSM program development to CSA and OSHA requirements, working across Canada and the United States.

A first Ghana entry: a Ghana- and West Africa-focused HSEQ consultancy with a dedicated process-safety practice offering HAZOP studies, HAZID workshops, LOPA/PHA and BowTie analysis for oil & gas, mining and manufacturing operations.

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.

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.

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.

An India-based process-safety consultancy whose staff run the full PHA toolkit — HAZOP, LOPA, What-If and QRA — backed by an in-house reactive-chemistry lab for ARSST thermal-stability testing.

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 South African process-engineering consultancy that facilitates HAZOP and PHA sessions as part of full-lifecycle project support across oil & gas, renewable energy, water and mining.

A Brisbane-based process-safety and industrial-risk consultancy whose team facilitates HAZOP, HAZID, LOPA and FMEA and carries the studies through to QRA and safety cases — a fit for Australian oil, gas and mining operations.

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.

A Greek multidisciplinary engineering house with offices across the Gulf and India whose safety team facilitates HAZID and HAZOP studies within upstream, downstream, industrial and power projects.

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.

Mumbai process- and chemical-engineering consultancy that conducts HAZOP studies and pressure-relief analysis as part of its process-safety work — a fit for Indian chemical and oil & gas operators who want HAZOP and PHA delivered alongside process-engineering support.

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.

Long-established process-engineering group that supplies an external, BG RCI-certified HAZOP leader and scribe to run PAAG/HAZOP risk analyses — an option for plant planners and operators across German-speaking Europe who want the study chaired from outside their own team.

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.

Environment-and-safety consultancy whose experienced moderators run PAAG/HAZOP workshops — applying guide words with a client's own experts to surface deviations — for process plants in central Germany.

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.

Chilean engineering and consulting firm that positions HAZOP among its core services, with process-risk experience on mining and industrial projects — a local option for operators in Chile wanting HAZOP delivered within a broader engineering practice.

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.

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.

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 independent engineer who combines HAZOP moderation with hands-on plant-engineering and commissioning work — a fit for smaller German plant and water-treatment projects wanting a facilitator who also knows how the plant is built.

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 process safety specialist that both leads PHA studies and joins them as a subject-matter participant — a fit for pharmaceutical, chemical, food and metals operators who want an experienced facilitator for a HAZOP, What-If or FMEA, a revalidation of an existing study, or dust- and reactive-hazard expertise brought into the review team.

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 Gujarat-based process safety firm that supplies its own HAZOP chairman and scribe and studies P&IDs across every stage of the plant life cycle, with a client base spanning Indian chemical, pharma and pesticide manufacturers and operators in the Middle East and Gulf — a fit for design-stage and revalidation HAZOPs on process plants in those sectors.

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.

Ontario engineering consultancy that facilitates Process Hazard Analyses — HAZOP and What-If — using PHA-Pro, a fit for Canadian and international operators implementing PSM, EPA RMP, Seveso/COMAH or IEC 61511 risk programs.

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.

A North-India (Noida/Hyderabad) risk-management consultancy whose HAZOP studies are led by facilitators who pair design and process understanding with risk analysis — a fit for chemical, pharmaceutical and manufacturing operators wanting facilitator-led PHA alongside QRA and functional-safety support in one house.

A large environmental and engineering consultancy whose process-safety team has facilitated hundreds of PHAs — HAZOP, LOPA, FMEA and What-If — with remote or co-located facilitation, scribing, revalidation and QA/QC review, a fit for US and international operators wanting facilitation backed by a full PSM/RMP compliance practice.

A specialist risk-management consultancy (part of TUV Rheinland) with a large pool of client-approved HAZOP/PHA and LOPA chairs and proficient scribes, working from offices in the UK, Netherlands, Middle East (Doha, Dubai), Southeast Asia (Kuala Lumpur, Singapore) and North America — a fit for operators wanting facilitation from an established international bench across high-hazard industries.

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.

An Ireland- and UK-based process-safety consultancy of long standing whose fully facilitated HAZOP/PHA studies are led by experienced, independent chairs — a fit for chemical and pharmaceutical operators wanting a neutral facilitator focused on loss-of-containment, fire, explosion and toxic-release scenarios.

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-based independent whose facilitator pairs process-safety method with deep process-engineering knowledge, stating more than 10 years in facilitation and over 35 years in the oil & gas industry — a fit for operators wanting a hands-on chair for HAZOP, What-If and LOPA studies.

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 US EHS-compliance consultancy whose dedicated PHA team facilitates full-facility HAZOPs, PHA revalidations and project-specific hazard reviews — a fit for manufacturers wanting facilitation bundled with wider OSHA and EPA compliance support.

A Texas process-safety consulting and testing center whose PHA offering (HAZOP, LOPA, HIRA) sits alongside a strong combustible-dust and electrostatic-hazard specialty — useful for solids-handling and powder-processing plants needing both dust testing and hazard facilitation.

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.

Bogotá-based process-risk consultancy delivering HAZOP studies in Spanish across Latin America, with a US office in Florida and its own PHA and bow-tie software — a local-language option for Colombian and wider Latin American chemical, petrochemical and oil & gas operators, and the directory's first Colombian firm.

Mexican reliability- and process-risk engineering consultancy running HAZOP, HAZID and What-If studies in Spanish with PHA-Pro deliverables, within a wider practice spanning FMEA, explosion-risk assessment and risk-based inspection — the directory's first Mexican firm and a local-language option for operators across Mexico.

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.

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.

Calgary-based facilitator that has run thousands of HAZOPs for Canadian and international oil & gas operators, documenting studies live in PHA-Pro — a fit for greenfield and revalidation studies across energy, power and process assets.

Turin-based process-safety consultancy running HAZOP and other PHA workshops with a chairman and scribe, in person or by video-conference, and folding in semi-quantitative risk assessment and LOPA — a fit for Italian and continental-European chemical and petrochemical operators.

Established Saudi engineering consultancy pairing HAZOP and revalidation studies with QRA and RAM assessment — a regional fit for Kingdom-based major-hazard operators.

Long-established South African consultancy facilitating the full six-stage HAZOP sequence across the project lifecycle — a fit for African and Sub-Saharan major-hazard installations.

Australasian process safety consultancy and training provider offering HAZOP chair, scribe, and PHA facilitation alongside HAZOP leader and participant training — a regional fit for dairy, geothermal, oil & gas, mining, and power clients across New Zealand and Australia.

Engineering consultancy whose facilitated risk workshops span rail, maritime, and aviation as well as oil & gas — useful when a study crosses into transport and infrastructure hazards.

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.

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.

Boutique PHA specialist that will assemble the full study team — facilitator, scribe, and subject-matter experts — rather than just parachuting in a chair.

The data-driven outlier: pairs PHA facilitation with analytics run over thousands of past studies, so your HAZOP gets benchmarked rather than filed.

The global giant: multinationals standardizing HAZOP delivery across dozens of sites in different countries usually end up talking to DEKRA.

One of the longest-standing PHA houses — decades of methodology work, and a strong option if you want your in-house team trained to run studies themselves.

Relief-systems specialists who also facilitate — efficient when overpressure protection is where most of your action items will land anyway.

Pairs classic PHA facilitation with security vulnerability analysis — one of the few benches covering both safety and security risk in one study cycle.