Tristan Roger John Guest

Part of The Kaleidoscope Collection Ltd., No. The company is based in London, UK and was founded in 2015. 15 Great Pulteney Ltd. is a hotel operator.

Guest Holdings Ltd. is an investment holding British company founded in 2018. The private company is based in London, UK. The company's main function is to hold investments.

Reliance Worldwide Corporation (UK) Ltd. manufactures and distributes push-in fittings, pipe and plastics. It offers plumbing and heating, drinks dispense and pure water, air and pneumatics, and blown fibre and automotive products. The company was founded by John Guest in 1961 and is headquartered in Middlesex, the United Kingdom.

John Guest International Ltd. manufactures plastic push-in pipe fitting equipment. It provides services to the plumbing and car industries. The company has operations in the United States, Australia, New Zealand, and South Korea. John Guest International was founded by John Guest in 1961 and is headquartered in West Drayton, the United Kingdom.