Consultants / Services / LOPA / UK

LOPA in UK

30 LOPA (Layer of Protection Analysis) facilitators who take HAZOP scenarios through initiating-event and independent-protection-layer analysis to a residual-risk gap in UK — after a HAZOP flags a scenario that may need a safety instrumented function, to size the required risk reduction.

Firm

6 Engineering

new HAZOP facilitationHAZID

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.

Stokesley, North Yorkshire, United Kingdom UK
Firm

Humber Bank Instruments

HAZOP facilitationLOPA

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.

United Kingdom UK
Firm

eFunctionalSafety

HAZOP facilitationLOPA

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.

Cambridge, United Kingdom UKEurope
Firm

PEAK Global Consultancy Ltd

HAZOP chairingHAZOP facilitation

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.

Aberdeen, Scotland, United Kingdom UKEurope
Firm

ProSalus Limited

HAZOP facilitationHAZID

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.

Stokesley, North Yorkshire, United Kingdom UKEurope
Firm

Process Risk Consulting

HAZOPHAZID

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.

United Kingdom UKGlobal
Independent

Deedah PSM

HAZOP facilitationLOPA facilitation

A UK consultancy dedicated to HAZOP and LOPA facilitation, led by a chartered process-safety engineer, alongside process-safety training and audits — a fit for operators wanting a facilitation-focused independent chair.

United Kingdom UK
Firm

Hill Consultants

HAZOPHAZID

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.

Welwyn, Hertfordshire, UK UKEurope
Firm

C3 Technical Solutions

HAZOPHAZID

A UK engineering and process-safety consultancy whose IChemE-trained study leaders chair HAZOP, HAZID and other process hazard assessments, with extensive COMAH experience across Top and Lower Tier sites.

Disley, Stockport, Cheshire, UK UKEurope
Firm

4 Square Engineering Consultancy

HAZOP chairHAZOP scribe

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.

Bo'ness, West Lothian, Scotland, UK UK
Firm

CMSE Consultancy (Chris Mee Group)

HAZOP chairHAZOP scribe

A long-established Irish EHS group whose consultancy arm delivers the full HAZOP cycle — organising, chairing, scribing and reporting to IChemE practice — for pharmaceutical, chemical and oil & gas clients across Ireland and beyond.

Little Island, Cork, Ireland (office in Dublin) IrelandUKEurope
Independent

The Chalfonts Consultancy

HAZOP facilitationSIL assessment

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.

United Kingdom UK
Firm

F.E.S. (EX) Ltd

HAZOP studyLOPA

UK process-safety and hazardous-area engineering consultancy offering a one-stop service from HAZOP and HAZID studies through ATEX/DSEAR assessment to hazardous area classification — a fit for UK sites, including top-tier COMAH facilities, that want PHA and DSEAR compliance from a single team.

Grimsby, UK (offices in Hull & Stockton-on-Tees) UK
Firm

ExConform

HAZOP facilitationHAZID facilitation

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.

United Kingdom UKEurope
Firm

Arthian

HAZOP facilitationHAZID

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.

Inverness, Scotland, UK UKIreland
Firm

Integro Design Engineering Associates (IDEA)

HAZOP chair & scribeHAZID

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.

Glasgow, Scotland, UK UK
Firm

Safety Engineering Solutions

HAZOP facilitationHAZID facilitation

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.

United Kingdom UKEurope
Firm

FSE Global

HAZOP facilitationHAZID facilitation

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.

United Kingdom UKGlobal
Firm

Risktec (TUV Rheinland)

HAZOP facilitationPHA

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.

Warrington, UK (global offices) UKEuropeMiddle EastAsiaNorth AmericaGlobal
Firm

EHS International

HAZOP facilitationPHA

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.

Cork, Ireland IrelandUnited Kingdom
Firm

Haneon Fort Engineering

HAZOPPHA facilitation

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.

Warri, Delta State, Nigeria (office in London, UK) NigeriaWest AfricaUK
Independent

Solverlo

HAZOP chairHAZID

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.

Dunbar, East Lothian, Scotland, UK UKGlobal
Firm

Method Process Safety

HAZOP chairHAZID

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.

Hitchin, Hertfordshire, UK UK
Firm

FPL Process Safety

HAZOP chairHAZOP scribe

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.

Cork, Ireland IrelandUKEurope
Firm

MES (Monaco Engineering Solutions)

HAZOP chairHAZOP scribe

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.

Bruntingthorpe, Leicestershire, UK (offices in UAE, Kuwait, Oman, Qatar, Kazakhstan & Nigeria) UKMiddle EastAsiaAfrica
Firm

Fabri Consulting Engineers

HAZOP chairHAZOP scribe

Glasgow-based multidiscipline engineering consultancy providing HAZOP leader and scribe roles and running studies through to action closure, with downstream oil & gas experience — a fit when the study benefits from in-house process, electrical, C&I and mechanical engineers.

Glasgow, UK UKEurope
Firm

OTECSA Consulting

HAZOP chairHAZOP scribe

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.

Glasgow, UK UKEurope
Firm

exida

HAZOP chairCHAZOP

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

Sellersville, Pennsylvania, USA North AmericaCanadaEuropeUKIrelandGermanyMiddle EastAsiaSoutheast AsiaAustraliaNew ZealandGlobal
Firm

Sigma-HSE

HAZOP facilitationHAZOP chair

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.

Winchester, UK (offices in USA & India) UKEuropeNorth AmericaAsiaAfrica
Firm

Process Safety Consulting Ltd

HAZOP chairHAZOP scribe

IChemE-certified chairs with experience from half-day studies to six-month campaigns — the certification signal UK operators tend to ask for first.

United Kingdom UKEurope

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