of Culmore Works, Culmore Road, Peckham, London, SE15. Telephone: New Cross 3844-3804. Cables: "Korllaro, London". (1929)
Collaro Ltd of Barking, Essex were a manufacturer of gramophones
1920 Company founded.
1924 Private company.
1929 Listed Exhibitor. Manufacturers of Gramophone Motors and Accessories. 'Any one element can be removed or replaced without interfering with the rest of mechanism. Special unit plate embodying automatic stop'. Torque and Fatigue Spring Testing Machine. (Stand No. MM.10) 
WWII The company was engaged in munitions work and temporarily relocated to Langley Mill, Derbyshire when its London factory was bombed.
1961 Precision engineers, manufacturing gramophone motors, recording units, tape recorders, fan heaters, and are described as the largest manufacturers of record changers in the United Kingdom. 
1960s Went out of business
Sources of Information
-  Bedford Vintage Audio