British companies established in 2003

Jet2.com Limited is a British low-cost airline based at Leeds Bradford Airport, England. It offers scheduled and charter flights from the United Kingdom. As of 2022, it is the third-largest scheduled airline in the UK, behind easyJet and British Airways. Jet2 is also officially the largest tour operator in the UK after overtaking TUI in 2023.

British independent game development studio based in Sheffield, United Kingdom

investment company

airline

Hedge Fund Company

All3Media Limited is a British worldwide independent television, film, and digital production and distribution company based in London. The All3Media group consists of more than 50 production and distribution companies and labels from the United Kingdom and all other parts of Europe (IDTV in the Netherlands and All3Media Deutschland in Germany), New Zealand (South Pacific Pictures) and the United States.

Packt is a publishing company founded in 2004 and headquartered in Birmingham, UK, with offices in Mumbai, India.

Scottish brewery

power generation business

British company

communications provider and mobile network operator in the United Kingdom