The London Small Arms Company Ltd was a British Arms Manufacturer from the years 1866-1935.

Based in Tower Hamlets

London Borough of Tower Hamlets

The London Borough of Tower Hamlets is a London borough to the east of the City of London and north of the River Thames. It is in the eastern part of London and covers much of the traditional East End. It also includes much of the redeveloped Docklands region of London, including West India Docks...

, London, London Small Arms Co. Ltd (LSA Co) was formed in an effort to compete against the Royal Small Arms Factory at Enfield

Royal Small Arms Factory

The Royal Small Arms Factory was a UK government-owned rifle factory in the London Borough of Enfield in an area generally known as the Lea Valley. The factory produced British military rifles, muskets and swords from 1816...

 by the gunsmiths who made up the London Armoury Company

London Armoury Company

The London Armoury Company was a London arms manufactory that existed from 1856 until 1866. It was the major arms supplier to the Confederacy during the U.S. Civil War....

, which had gone out of business as a result of the end of the US Civil War.

Like their counterparts at BSA Co

Birmingham Small Arms Company

This article is not about Gamo subsidiary BSA Guns Limited of Armoury Road, Small Heath, Birmingham B11 2PP or BSA Company or its successors....

, LSA Co were contractors to the British Armed forces and produced many British Service Rifles- notably the Martini-Henry

Martini-Henry

The Martini-Henry was a breech-loading single-shot lever-actuated rifle adopted by the British, combining an action worked on by Friedrich von Martini , with the rifled barrel designed by Scotsman Alexander Henry...

, Martini-Enfield

Martini-Enfield

Martini-Enfield rifles were, by and large, conversions of the Zulu War era .450/577 Martini-Henry, rechambering the rifle for use with the newly introduced .303 British cartridge...

, and Short Magazine Lee-Enfield

Lee-Enfield

The Lee-Enfield bolt-action, magazine-fed, repeating rifle was the main firearm used by the military forces of the British Empire and Commonwealth during the first half of the 20th century...

 rifles.