Langley is the owner of Langley Holdings, an engineering group based in Retford, Nottinghamshire. The company owns over 70 subsidiaries, and employees over 4,000 people. Langley started the company in 1975, out of the ruins of his dissolved family Business. In 2000, Langley bought Clarke Chapman, and sales reached $75 million. This gave means to the growth of Langleys company, and the portfolio grew to the estimated $950 million revenue in 2015.