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Business Details
41 Years
experience
Trusted Industrial Pipework Solutions in Daventry
Established in 1985 by Jonathan Granfield, our company has built a reputation as a trusted partner in industrial pipework solutions. With over three decades of experience, we specialise in mechanical and electrical pipework installation, fabrication, and maintenance across diverse sectors including pharmaceuticals, education, and food and beverage. Our team of 20 professionals operates nationwide, delivering projects ranging from 500 to 4 million while maintaining rigorous health and safety standards.

We pride ourselves on understanding client needs, combining technical expertise with a commitment to reliability and compliance. Our work with industry leaders like GlaxoSmithkline and AstraZeneca demonstrates our ability to meet exacting requirements in time-critical environments. From initial consultation to project completion, we provide comprehensive support, including validation, certification, and maintenance manuals to ensure long-term operational efficiency.
Services
Pipework Fabrication Boiler House Services Steam & Condense Systems Gas Installation Energy Centre Upgrades
Details
  • Year established: 1985
Highlights and features
  • 30+ years' experience in industrial pipework solutions since 1985
  • Dedicated team with specialist expertise in regulated environments
  • Proven track record with major clients like GlaxoSmithkline and AstraZeneca
  • WRAS-approved installations meeting British Standards
  • Comprehensive health and safety management across all projects
Associations and certifications
  • FDA
  • WRAS
What people say
Pro-active contractor High standard of workmanship Easy to work with Professional and efficient Excellent health and safety
Services
Industrial Pipework Installation
We design and install high-specification industrial pipework systems for pharmaceutical, food and beverage, and educational sectors. Our WRAS-approved installations meet British Standards with chlorination and passivation testing. Projects range from 500 to 4 million, including energy centre upgrades and process pipework.
Boiler House Services
Specialist boiler system installation and refurbishment for schools and commercial properties. We modernise outdated systems using Mapress technology, ensuring efficient operation without open flames. Our work maintains compliance and reduces maintenance costs through reliable infrastructure upgrades.
Steam & Condense Systems
Comprehensive steam and condensate system solutions including installation and maintenance. We handle complex HVAC projects like the 2.2 million system installation, ensuring efficient operation in critical environments while maintaining strict health and safety protocols.
Gas Installation
Safe and compliant gas installation services for industrial applications. Our team delivers pipework solutions meeting specific product contact criteria in clean room environments, with full certification and validation documentation provided upon completion.
Energy Centre Upgrades
Modernisation of energy infrastructure to improve efficiency and compliance. We implement cost-saving solutions that help businesses meet new energy standards while ensuring minimal disruption to operations during installation processes.
People
Jonathan Granfield
Director
Founder with 30+ years' experience in industrial pipework. Recognised for technical expertise and commitment to client satisfaction. Leads projects ensuring compliance with FDA and WRAS standards.
Guy Harrison
Contracts Manager
Manages contract delivery with focus on quality assurance. Ensures projects meet strict deadlines while maintaining health and safety compliance across diverse industrial sectors.
James Brown
Electrical Project Manager
Specialises in electrical integration for pipework systems. Coordinates complex installations ensuring seamless operation with existing infrastructure in regulated environments.
Shirley Mills
Company Affairs Director
Oversees administrative and compliance functions. Ensures operational efficiency and adherence to regulatory requirements across all project phases.
Bill Cox
Contracts Manager
Client representative with experience managing JMG's school sector projects. Highlights their flexibility and ability to complete urgent works during school holidays without disruption.
Questions
What industrial sectors do you specialise in?
We focus on pharmaceuticals, education, and food and beverage sectors, with extensive experience in regulated environments requiring strict compliance.
What pipework system sizes do you handle?
We complete projects ranging from £500 to £4 million, including the recent £2.2 million HVAC system installation for a pharmaceutical client.
How do you ensure health and safety compliance?
We maintain rigorous health and safety protocols with dedicated professionals overseeing training, certification, and site compliance across all operations.
What makes your installation process unique?
We use modern techniques like Mapress technology that eliminate open flames, providing efficient WRAS-approved installations with minimal disruption.
How do you support clients after project completion?
We provide full validation, certification, and maintenance manuals to ensure ongoing compliance and operational efficiency for all installed systems.