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60 Years of Trust

Travel with us through the last 60 years

1961

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
1970

Production grows

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

1974

Handling the pressure

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

JG Air and icon
1982

Recognising achievement

John Guest received an MBE for services to industry.

 

1983

Getting into food

The first food-grade product range was launched.

1984

From fibre to Ford

We developed the first fibre optic connector for BT and fuel connectors for Ford.

Image of direct buried fitting and icon
1987

Plumbing transformation

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

JG Speedfit product and plumbing icon
1999

In the pipeline

JG Speedfit plumbing pipe was launched.

2005

Twist & Lock

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

2012

Speedfit ultra flexible pipe

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

2014

Pulling the perfect pint

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

Image of beer pump and icon
2016

Setting the bar

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

2020

Next generation connectors and valves

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

2021

Word leaders

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