Consultancy

Tailored guidance and strategies to optimise operations, ensure compliance, and enhance performance.

Tailored guidance and strategies to optimise operations, ensure compliance, and enhance performance.

Our consultancy services provide expert advice on engineering best practices, regulatory compliance, and operational improvements. We work closely with clients to address issues to enhance safety, efficiency, and profitability.

Our team brings extensive industry experience, offering solutions in process optimisation, asset management, risk assessment, and regulatory alignment to drive business success.

PMC

Strategic project oversight to deliver effective execution, cost control, and risk management.

Strategic project oversight to deliver effective execution, cost control, and risk management.

Our PMC services provide clients with strategic project oversight, ensuring alignment with industry standards and business objectives.

We offer project planning, cost control, contract administration, and risk management solutions, enabling clients to optimise their resources and achieve better project execution.

Our PMC expertise covers feasibility, procurement strategies, and project lifecycle management, delivering value-driven outcomes.

Field Support

Experienced on-site engineers providing maintenance support, troubleshooting, and operational integrity.

Experienced on-site engineers providing maintenance, troubleshooting, and operation support.

InSite’s field support services ensure clients have access to experienced professionals who can provide on-site engineering, maintenance, and troubleshooting expertise.

Our teams assist with installation, commissioning, equipment inspection, and system diagnostics, helping to minimise downtime and enhance operational reliability.

We offer flexible field support arrangements, ranging from short-term assignments to long-term service contracts.

TAR Support

Comprehensive turnaround planning and support to minimise downtime and maximise asset performance.

Comprehensive turnaround planning and execution to minimise downtime and maximise asset performance.

Turnarounds are critical events in the lifecycle of industrial plants, requiring meticulous planning and execution. Our TAR support services help clients manage shutdowns, refurbishments, and upgrades efficiently. Working alongside your own site teams we augment your resources, assisting you in meeting your plan.

We provide planning, scheduling, contractor coordination, and execution oversight, working collaboratively with stakeholders to meet strict deadlines and budgetary constraints.

Embedded Resource

Skilled professionals integrated into your team to boost project delivery and operational efficiency.

InSite offers embedded resource solutions, providing clients with skilled professionals who integrate directly into their teams.

Whether for project-specific assignments or long-term support, our embedded specialists bring industry knowledge and technical expertise to enhance project delivery and operational efficiency.

Our flexible approach working on-site or remotely as required, provides additional knowledge and sound collaboration with in-house teams.

Refining

Practical, innovative engineering solutions for operational and brownfield refinery projects.

Refining Sector Expertise

At InSite, we bring decades of frontline refinery experience to deliver innovative, practical solutions across the refining sector. Our team combines deep operational knowledge with technical excellence to help clients overcome the complex challenges facing today’s refineries.

InSite brings a strong combination of design expertise and operational insight. Many of our professionals have held senior roles within refinery operations, providing valuable firsthand understanding of on-site challenges. This is complemented by a strong team of design-focused engineers who specialise in delivering projects from concept through to detailed design. Together, this combination ensures that our solutions are both technically robust and grounded in practical, real-world application.

Our expertise spans all major areas of refinery operations, including:

• Brownfield project engineering, including upgrades, debottlenecks, modernisation, and integration into operating sites
• Safety and integrity system design and verification
• Technology selection
• Process optimisation

We specialise in helping clients improve performance, reliability, and profitability, while maintaining the highest standards of safety and regulatory compliance.

Technical Capability

InSite provides end-to-end project delivery for refinery clients, from early concept development and feasibility studies through to FEED, detailed design, and execution support. Our multidisciplinary team works across all engineering disciplines to deliver integrated, practical solutions tailored to the site’s needs.

Project Capabilities and Experience

InSite has worked in  every stage of the project lifecycle, including:

• Early-phase concept and feasibility work for refinery upgrades
• Front-end and detailed engineering for brownfield modifications and new assets
• Safety system upgrades to meet evolving industry standards
• Execution support during turnarounds and project integration

For a full overview of our project experience, get in touch or visit our case study library.

Our practical experience and multidisciplinary capability make us a trusted partner for complex, high-stakes refinery projects.

As the refining industry continues to evolve, InSite supports clients in meeting new energy demands, environmental targets, and regulatory requirements—with confidence, clarity, and engineering excellence.

Terminals

Safe, efficient design and upgrades for liquid and gas storage terminals.

InSite supports the safe and efficient design, upgrade, and operation of liquid and gas storage terminals. Our team brings broad engineering and regulatory expertise across all aspects of terminal infrastructure—helping operators handle a wide variety of products safely, reliably, and in full compliance with industry standards.

From jetty systems and tank farms to road and rail loading facilities, we help clients improve how materials are received, stored, and transferred. Whether adapting existing infrastructure or developing new capacity, InSite’s focus is on practical, risk-aware solutions that meet today’s commercial, environmental, and safety expectations.

Our experience covers a wide range of stored products, including:

• Crude oil and refined petroleum
• LNG and LPG
• Ammonia and hydrogen
• Methanol, ethanol, and other biofuels
• Industrial chemicals

Technical Capability

InSite provides engineering and project delivery support across the full lifecycle of terminal projects. From early-phase assessments to detailed engineering and construction support, we deliver integrated solutions tailored to each facility’s operational needs and compliance requirements.

Our capabilities include:

• Concept development and feasibility studies
• FEED and detailed design for new and existing infrastructure
• Brownfield upgrades and integration with live operations
• Process safety, risk management, and regulatory compliance
• Jetty interface and loading system engineering
• Support during construction, commissioning, and handover

We understand the complexities of working in live terminal environments and focus on minimising disruption while ensuring safety and compliance.

Project Experience

InSite has supported terminal operators across all project stages, including:

• Feasibility and planning for infrastructure expansions or repurposing
• Front-end and detailed engineering for brownfield modifications
• Upgrades to safety, instrumentation, and control systems
• Technical input during turnarounds and operational transitions

Our cross-discipline expertise and practical mindset make us a trusted partner for complex, compliance-critical terminal projects.

As the terminals sector adapts to changing product demands, environmental expectations, and evolving safety standards, InSite helps clients stay ahead—delivering reliable infrastructure that meets both present and future operational needs.

Energy Networks

Comprehensive technical services for power generation, gas distribution, and heating networks.

Energy Networks Expertise

InSite provides comprehensive engineering and technical support across traditional and evolving energy networks. Our experience spans the full lifecycle of critical infrastructure, from power generation and distribution to district heating and LNG operations.

Building on decades of delivering complex projects, we bring multi-disciplinary expertise in mechanical, electrical, controls & instrumentation, civil and structural engineering, project management, and project controls. This enables us to deliver reliable, efficient, and safe energy systems that meet today’s operational needs while supporting tomorrow’s growth.

Core Focus Areas

We provide engineering and advisory support for:

• District Heating Networks – including network optimisation, heat loss analysis, control systems, pump station engineering, and system expansion planning.
• Power Generation & Distribution – covering conventional power plants, CCGT facilities, substations, transmission networks, and advanced protection schemes.
• LNG Infrastructure – spanning storage, regasification, cryogenic equipment, process optimisation, and safety system implementation.

Technical Capability

InSite delivers full-lifecycle support across energy networks, including:

• Feasibility studies and concept development
• System design, optimisation, and integration
• Power system studies and grid connection engineering
• Heat exchanger, pump, and control system design and maintenance
• LNG process safety and operational support (HAZOP, LOPA, SIS, COMAH, Hazardous Area Classification)
• Constructability, operability, and commissioning planning
• Independent project reviews and owner’s engineer services

Project Experience

Our team has supported clients with:

• Rewriting Seveso process safety reports for LNG terminals
• Acting as Owner’s Engineer, reviewing EPC documentation for LNG projects
• Embedding engineers into client teams to provide integrated technical support
• Delivering QA/QC support during construction phases
• Conducting site efficiency reviews for LNG terminals
• Managing independent design reviews of critical regasification equipment
• Closing out MOC and HAZOP actions across multidisciplinary scopes

Our Approach

InSite’s multidisciplinary capability ensures that safety, efficiency, and resilience are built into every phase of delivery. By combining deep technical expertise with practical industry insight, we help clients operate existing infrastructure at peak performance while adapting to future energy challenges.

Energy Transition

Engineering support for low-carbon energy, hydrogen, and sustainable fuel projects.

Energy Transition Expertise

InSite supports clients in navigating the shift to low-carbon energy by delivering robust engineering solutions for emerging technologies. We are actively involved in the hydrogen and sustainable aviation fuel (SAF) sectors, providing practical, safety-focused support across the full project lifecycle—from early concept through to operational delivery.

Our experience is built on decades of delivering complex energy infrastructure projects. We apply this deep, transferable knowledge to new energy systems, drawing on our strengths in mechanical, electrical, controls & instrumentation, civil and structural engineering, project management, and project controls.

As global and national energy strategies evolve, InSite offers the multidisciplinary capability needed to develop the infrastructure that supports cleaner, more sustainable fuels.

Core Focus Areas

We provide engineering and advisory support for:

• Hydrogen electrolysis facilities, with a focus on green hydrogen production, storage, and distribution
• Sustainable Aviation Fuel (SAF) projects, including production, blending, storage, and handling systems
• Alternative fuels, such as biomass, synthetic fuels, and waste-to-energy processes
• Renewable energy infrastructure, including solar and energy storage systems

Our team is particularly well-positioned to support projects in regions like Pembrokeshire, where renewables, hydrogen hubs, and SAF developments are gaining momentum.

Technical Capability

InSite provides full-lifecycle engineering support across new energy technologies, including:

• Concept development and feasibility studies
• Process design, utility integration, and system layout
• Material selection and compatibility assessments
• Grid connection, power conditioning, and electrical design
• Safety assessments, including HAZID, LOPA, and SIL studies
• Constructability, operability, and commissioning planning
• Blending, storage, and distribution infrastructure design

We also support hybrid systems, retrofit strategies, and integration with existing industrial or energy infrastructure, ensuring cost-effective, scalable, and compliant solutions.

Project Experience

Our team has delivered multidisciplinary support on a growing number of energy transition projects, including:

• Engineering for green hydrogen production, storage, and export systems
• Detailed design for SAF import/export, blending, and quality control facilities
• Feasibility and layout studies for alternative fuel storage and conversion units
• Integration studies for electrical grid connections

InSite’s structured approach ensures that safety, operability, and capital efficiency are built into every phase of delivery.

As energy systems transform, InSite remains a committed partner in delivering cleaner fuels and renewable energy infrastructure. Our technical insight and practical experience help clients de-risk their projects, unlock innovation, and accelerate progress toward a lower-carbon future.

Nuclear

Specialist engineering personnel and technical support for safety-critical nuclear projects.

InSite supports the nuclear and defence infrastructure sectors by providing specialist engineering personnel and technical expertise to leading organisations across the supply chain. Our focus is on delivering high-quality, reliable resource solutions that meet the exacting standards of these safety-critical, regulated environments.

Our multidisciplinary engineers are embedded within major projects and programmes, working alongside Tier 1 and Tier 2 organisations to support the design, upgrade, and maintenance of essential infrastructure and systems. We are trusted for our professionalism, flexibility, and ability to work within secure and tightly governed frameworks.

While our direct project delivery experience in these sectors is growing, our current focus is on supporting clients through high-calibre technical resourcing and targeted engineering input.

Technical Capability

Our team provides support across a range of engineering disciplines, including:

• Mechanical, electrical, civil, structural, and control systems
• Design development, review, and verification
• Safety and compliance documentation
• Asset integrity and lifecycle extension assessments
• Interface coordination and project engineering support

We operate with a clear understanding of the regulatory, security, and quality expectations of nuclear and defence environments.

Project and Support Experience

To date, InSite has:

• Supplied specialist engineers and project personnel into key UK nuclear programmes
• Provided targeted technical input for infrastructure upgrade and compliance-driven scopes
• Built strong working relationships with Tier 1 engineering partners and government-aligned organisations

A Trusted and Growing Partner

As our presence in nuclear and defence expands, InSite remains focused on delivering reliable, high-integrity support through our people, processes, and engineering capability. We are committed to growing our contribution to these critical sectors—safely, securely, and collaboratively.

Beyond Energy

Multidisciplinary solutions for infrastructure, industrial, and public sector projects.

InSite applies its multidisciplinary engineering and project delivery expertise across a wide range of infrastructure sectors beyond traditional energy. We support clients in delivering safe, efficient, and compliant solutions across public, industrial, commercial, and contractor-led environments.

Our background in high-complexity, high-regulation sectors enables us to bring structure, technical rigour, and risk awareness to diverse infrastructure projects. Whether supporting new developments, asset upgrades, or compliance-driven improvements, we deliver practical, cost-effective solutions tailored to each client’s needs.

Sector Coverage

We provide services to clients across a variety of sectors, including:

• Water and utilities
• Local government and public institutions
• Port and transport authorities
• Manufacturing and industrial facilities
• Waste and environmental infrastructure
• Construction contractors and delivery partners

Technical Capability

InSite brings the same disciplined, integrated approach to non-energy sectors as we do in our core markets. Our services include:

• Feasibility studies and option assessments
• Civil, structural, mechanical, electrical, and C&I engineering
• Infrastructure upgrades and asset life extension
• Regulatory compliance and stakeholder coordination
• Project controls, cost estimation, and construction support
• Constructability reviews and temporary works interface support

We are experienced in navigating the operational, financial, and compliance constraints often found in public sector, industrial, and contractor-led environments.

Project Experience

InSite has supported a growing number of infrastructure projects across these sectors, including:

• Facility upgrades and infrastructure enhancements for utilities and public bodies
• Technical input for regional development and low-carbon programmes
• Engineering and compliance support for construction contractors delivering complex multi-disciplinary projects

A Trusted Partner Beyond Energy

As we continue to expand our work across infrastructure, public, and commercial sectors, InSite remains committed to delivering clarity, quality, and technical excellence. Our flexible, client-focused approach ensures that we deliver long-term value—no matter the industry.