Sharp, Stewart and Company was a steam locomotive manufacturer, initially located in Manchester, England.

After a number of modifications, three similar locomotives (Britannia, Manchester, and Hibernia) were built in 1834 for the Dublin and Kingstown Railway.

A new 2-2-2 design was soon produced with horizontal inside cylinders under the smokebox and additional bearings to support the crank axle.

Ten of the first were sold to the Grand Junction Railway, with the "Sharpies" becoming a standard to compare with the "Bury" engines.

Between 1846 and 1848 the company provided eight 2-2-2 passenger and two 0-4-2 goods locomotives to the Lynn and Dereham Railway.

From 1851 to 1853 twenty engines were built for the London and North Western Railway to the design of James Edward McConnell, the so-called "Bloomers", subcontracted from Wolverton.

Between 1898 and 1901, Sharp, Stewart and Company supplied no less than 16 4-6-0 and 4 4-8-0 locomotives to New Zealand Railways.