Our timeline of achievements
A spotlight on the many milestones in our proud history.
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.
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.
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 fibre optic connector for BT and fuel connectors for Ford.
JG Speedfit plastic push-fit technology for the plumbing and heating industry was launched.
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.
Setting the bar
95% of bars in the UK use John Guest fittings in beer lines.
Next generation connectors and valves
Introduced 30J impact resistant connectors for smooth blown fibre passage, as well as Reliance Valves with Speedfit connections for precise and efficient water control.
World leaders in push-fit
As the world's largest push-fit manufacturer renowned for quality, reliability, innovation and expertise, we celebrate 60 years of trust.