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60 Years of Trust

Travel with us through the last 60 years


The birth of the brand

John Guest started his business specialising in precision engineering and tool making for a diverse range of sectors.

Image of John Guest and JG roundel

Production grows

Began producing complex die cast components and machining for major UK pneumatic valve manufacturers.


Handling the pressure

John Guest created Super Speedfit, the world’s first push-fit solution for compressed air.

JG Air and icon

Recognising achievement

John Guest received an MBE for services to industry.



Getting into food

The first food-grade product range was launched.


From fibre to Ford

We developed the first microduct push-fit connector for blown fibre for BT and fuel connectors for Ford.

Image of direct buried fitting and icon

Plumbing transformation

JG Speedfit plastic push-fit technology for the plumbing and heating industry was launched.

JG Speedfit product and plumbing icon

In the pipeline

JG Speedfit plumbing pipe was launched.


Twist & Lock

JG Speedfit Twist & Lock plumbing and heating range with multi-seal technology was launched.


Speedfit ultra flexible pipe

The launch of JG Layflat pipe to make cabling pipes faster and easier.


Pulling the perfect pint

JG PolarClean fittings for beer lines developed to keep draught beer cold and clean.

Image of beer pump and icon

Setting the bar

95% of bars in the UK use John Guest fittings in beer lines.


Next generation connectors and valves

30J impact resistance connectors for smooth fibre passage. Reliance Valves with Speedfit connections for precise and efficient water control.


Word leaders

As the world's largest push-fit manufacturer renowned for quality, reliability, innovation and expertise, we celebrate 60 years of trust.