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Harper UK are experts in the fabrication field, providing high-quality solutions across the globe for projects of all sizes and complexities. From bespoke components to large-scale assemblies, our experienced team ensures every project is executed safely, efficiently, and to the highest standards, delivering reliable, compliant, and project-ready solutions every time.
We operate throughout various industries, serving clients in marine, naval, oil & gas, military, renewables, agricultural, and distilling sectors. Whether it’s bespoke equipment, precision components, or full system assemblies, Harper UK provides project-ready, fully certified solutions that prioritise safety, performance, and reliability.
With our ability to part-make and assemble on site, there are no restrictions when it comes to location, size, or delivery—Harper UK ensures seamless installation, integration, and deployment, regardless of project requirements.
Large-Scale Fabrication & Service Solutions
Harper UK provides comprehensive, large-scale fabrication and service solutions, fully aligned with the latest welding and fabrication standards. Backed by our highly skilled and experienced team, we deliver every project with precision, efficiency, and uncompromising attention to quality and safety—regardless of scale or complexity. Our expertise ensures your project is executed seamlessly, on time, and to the highest industry standards.
Our Fabrication & Testing Capabilities
Non-Destructive Testing (NDT)
- Magnetic Particle Inspection (MPI)
- Dye Penetrant Inspection (DPI)
- Ultrasonic Testing (UT)
- Eddy Current Testing
- Radiography
Coating & Surface Protection
- Industrial paint systems
- Galvanising
- Specialist coatings for harsh environments
Load Testing
- Proof load test and fully functioning load testing
Pressure Testing
- High-pressure testing for valves, piping, and critical components
Machine Shop Services
- Profiling, turning, drilling, boring, and milling for precision components
- CNC & Robotic Infrastructure – Advanced systems allow materials to be prepared and delivered to the fabricator at breakneck pace, streamlining production and reducing lead times
Transportation of Wide & Heavy Loads
- Safe and efficient logistics for oversized or complex fabricated components
Assembly, Testing & Commissioning
- Full-scale assembly, functional testing, and commissioning to ensure operational readiness
Bespoke Fabrication & Hire Builds
- Custom-built assets engineered from concept through to deployment, tailored to your project requirements
State-of-the-Art Fabrication Facilities
50,000 sq ft Fabrication Facility
Built for heavy-duty, high-precision fabrication, capable of managing even the most intricate scopes.
24/7 Robotic Processing
Cutting-edge robotic systems operate around the clock, ensuring consistent output and rapid project turnaround.
Dedicated SIT & FAT Workshop
Purpose-built workshop for System Integration Testing (SIT) and Factory Acceptance Testing (FAT), giving clients full control and visibility during critical verification stages — all managed in-house to streamline project timelines.
On-Site Steel Yard
Large-scale inventory of all steel grades maintained on site, enabling fast, flexible responses to evolving project requirements.
Specialist Clean Welding Workshop
Isolated clean zone with advanced welding systems for exotic materials, ensuring zero cross-contamination.
Workforce & Capacity
90 skilled personnel across multiple disciplines, delivering over 5,000 man-hours per week, ensuring scalability, responsiveness, and on-time project delivery.
Why Choose Harper UK Fabrication
End-to-End Capability:
From design, machining, and fabrication to testing, assembly, and commissioning.
Quality & Compliance:
Fully certified and compliant with industry standards
Holistic Project Thinking:
We don’t just focus on our part of the project – we consider the entire scope, identifying how our expertise, solutions, and services can add value across the whole project
Advanced Facilities & Technology:
CNC, robotics, clean welding, and dedicated SIT/FAT workshops for precision and efficiency
Proven Track Record Across Industries:
Serving marine, naval, oil & gas, military, renewables, agricultural, and distilling sectors
Flexible On-Site Fabrication & Assembly:
No restrictions on location, size, or delivery, thanks to our ability to part-make and assemble on site
