PHA in UK

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.

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.

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.

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 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 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 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 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.

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 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.

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 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.

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.