SS Cars Ltd was a British car maker. It grew out of the Swallow Sidecar Company

Swallow Sidecar Company

The Swallow Sidecar Company was founded on 4 September 1922 by two friends, William Walmsley and William Lyons . Both families lived in the same street in Blackpool, England. Walmsley had previously been making sidecars and bolting them onto reconditioned motorcycles...

and was first registered under the new name in 1934. Some conjecture to the origins of the SS name exist, It was John Black who when asked the meaning of SS said it has always stood for Standard Swallow. William Lyons when asked, bearing in mind he was in the company of the suppliers of chassis's for his run of the mill production cars was non commitial, until, after the exclusive use of Standard Chassis began at which point he concurred.