Our Company

Safe Professional Innovative

Graham Hart Process Technology is a global leader in the design and manufacture of high integrity heat transfer and specialist pressure equipment.

About Us

Graham Hart Process Technology Ltd is a global leader in the design and manufacture of high-integrity heat transfer and specialist pressure equipment. For more than 50 years, we have delivered innovative engineering solutions to some of the world’s most demanding industries, supported by a skilled, agile team committed to excellence. Since 2016, we have achieved a 100% On Time In Full delivery record, a testament to our focus on quality, reliability, and customer trust.

Our Values

Safe

Safety is at the core of everything we do. From comprehensive risk assessments at every stage of design and manufacture to our accredited management systems, we ensure that every item of equipment is delivered to the highest safety standards. Our operations are supported by ISO45001, ISO14001 and ISO9001 certifications, as well as the ASME U-Stamp.

Professional

Professionalism shapes our culture and relationships, with clients, suppliers, and one another. Our reputation is built on deep engineering expertise, precision manufacturing, and a commitment to delivering equipment that is fit for purpose, to exacting requirements, on time and in full. We are trusted partners to global organisations across nuclear, oil and gas, pharmaceuticals, aerospace, food and drink, and beyond.

Innovative

Innovation drives our approach to complex engineering challenges. From advanced process and mechanical design software to industry-leading welding and testing techniques, we continually evolve to push the boundaries of what’s possible. Our work has supported new technologies in sectors such as subsea multiphase boosting, nuclear applications, and next-generation heat transfer systems.

Company History

Graham Hart Process Technology originated in Bradford over five decades ago and has grown into a specialist engineering partner recognised across the world for high-integrity heat transfer and pressure equipment. Over this time, the company has delivered thousands of bespoke units, supported pioneering R&D projects, and contributed to major national engineering programmes, including over a decade supplying precision-engineered equipment for the UK Submarine programme.

Graham Hart Process Technology is the only UK heat transfer manufacturer to be awarded Fit for Nuclear, Fit for Hydrogen and Fit for Carbon Capture, Usage and Storage.

Our long-standing commitment to quality, innovation, and customer service has shaped our development and earned us strong relationships with leading blue-chip and global brands such as Airbus, BOC, GE, PepsiCo, and Tata.

Giving Back

We believe strongly in contributing to the communities around us.
Over the years, our team has raised thousands of pounds for charities and local initiatives, including the Teenage Cancer Trust, Secret Santa programmes and Easter egg appeals. We also champion the next generation of engineers, supporting schools, colleges and universities through guest lectures, industrial engagement, and the sponsorship of the University of Bradford Chemical Engineering Master’s Best Project Award. We regularly host undergraduates and sixth-form students, helping inspire the workforce of the future.

As accredited members of the Good Business Charter, we are committed to responsible business practices that benefit our team, clients, partners and community.

Meet The Team

Chris Hart

Managing Director

Chris joined the family business in 2002 with a background in chemical engineering and became Managing Director in 2011. Under his leadership, the company has grown significantly, strengthening its technical capability and expanding its customer base.
He currently chairs the University of Bradford Chemical Engineering Industrial Advisory Board and sits on the Committee of the Heat Transfer Society. In 2025, he was named one of The Manufacturer’s Top 100 for his leadership and contribution to industry.

Charles Byrne

Technical Director

Charles joined Graham Hart in 1988 and is a Fellow of the IMechE. With extensive experience across design, projects and quality, he became Technical Director in 2011.

He holds senior positions across multiple engineering bodies, including Vice-Chair of the IMechE Pressure Systems Group, and serves on the boards of the Pressure Vessel Manufacturers Forum and the Pressure Equipment Consultation Forum.

Our wider team is made up of highly skilled mechanical and chemical engineers, welders, fabricators and project managers, all aligned in delivering the highest standards of service and craftsmanship. Many contribute to leadership roles across national engineering institutions, reflecting the depth of expertise within the business.

Career Opportunities

We are always keen to hear from talented individuals who share our passion for engineering excellence, innovation and high-integrity manufacturing. If you are interested in joining a forward-thinking organisation with a strong commitment to professional development and an inclusive working culture, please explore our current vacancies or contact our team for more information.