British motorcycle manufacturers - G

Gaby	1914-15
Gadabout	1948-51. Scooter.
Gamage	1905-24. Rebadged Omega, Radco and others.
GB	1905-07
Gerard	1913-15
Givaudan	1908-14
Glendale	1920-21
Globe	1901-11
Gloria	1924-25. Name also used by low-end Triumph-built bikes 1931-33 (32-34?) that used 98cc & 147cc Villiers engines.
Grandex-Precision	1910-16
Graphic	1903-06
Graves	1914-15. Built by New Imperial.
Green	1919-23. Early pioneer of water cooling.
Greeves	Known for its trials and motocross bikes which won many international trials events, Greeves also made 250 and 350cc roadsters using Villiers or Anzani engines. Sample models Fleetmaster, Sportsman, Sports Twin, Hawkstone Scrambler, Anglian. Bert Greeves began building bikes in 1951, using Villiers engines. The bikes won several races in the 1960s, and started making their own engines in 1964. Greeves closed in 1977 when Bert retired.
Greyhound	1905-1907. Also called Greyhound Hampstead.
GRI	1921-22. Single-valve engines.
Grigg	1920-25
Grindlay- Peerless	Former sidecar maker. Made stylish roadsters from 1923; 150cc to 1,000cc V-twins using JAP and Villiers engines. Their big moment came when Bill Lacey set a world record by covering over 100 miles in an hour on a Grindlay-Peerless in 1928. Closed in 1934.
Grose-Spur	1934-39. Lightweights.
GSD	1921-23
G&W	1902-06
GYS Cyclemotor	1949-1955. Bicycle attachments. Changed name to Motoamite in 1952 (same as Cairns Mocyc)