Lyons's LEO produces a payroll report. It is the first time in history a computer is used in business.

J. Lyons & Co. was a British restaurant chain, food manufacturing, and hotel conglomerate founded in 1884. Several Lyons cake products are still available on grocers' shelves, including Lyons treacle tart, Lyons Bakewell tart, Lyons Battenberg, and Lyons trifle sponges.

The company is also known for its pioneering use of computers.