Publishers
- George Woolley 1
- George Young 1
- Gerald Duckworth & Co. Ltd. 1
- Gerald G. Swan 1
- Gerald G. Swan Ltd. 1
- Gerald G. Swann Ltd. 1
- Gerard Gaston Grange 1
- Gestalten 1
- Getty Museum 1
- Gibbs Smith, Publisher 1
- Gilbert And Hodges 1
- Ginn and Company 1
- Ginn And Company Ltd. 1
- Giorgio Nada Editore 1
- Girl's Own Paper 6
- Girls Gone By 28
- Giunti 2
- Giunti Barbera 1
- Glamorgan County History Trust 1
- Glasgow Corporation Public Libraries 1
- Global Motorsport Group Gmbh 1
- GlobalArtAffairs Publishing 1
- Gloucester Archaeological Publications 1
- Gloucestershire County Council 1
- Glover & Blair Limited 1
- GMS Enterprises 4
- Goddard, Walker & Brown, Ltd. 1
- Godfrey Cave 1
- Goerge Prior 1
- Golden Key Limited 1
- Golden Pleasure Books Ltd. 1
- Golden Press 1
- Golden Valley Publications 1
- Goldenstone Press 2
- Goldstar Holdings 1
- Gollancz 2
- Gomer 3
- Gomer Press 3
- Goncalo Elias 1
- Gono Studio 1
- Good Read Publishing 2
- Good Reading Limited 1
- Goodwood Road Racing Club 1
- Goodwood Road Racing Company Ltd 2
- Goose and Son 1
- Gordon & Cremonesi 1
- Gordon Forrest 1
- Government Of India 3
- Government Of West Bengal 3
- Government Press, Bulaq 1
- Government Printing Office, Washington 1
- Gowans & Gray Ltd. 1
- Gower 1
- Gower Press 1
- Grafton Books 1
- Graham & Trotman Limited 1
- Graham Gauld 1
- Graham Horton 1
- Gralene Books 1
- Gramercy Books 2
- Granada 9
- Granada Publishering Limited 1
- Grandreams Limited 4
- Grange Books 3
- Grant and Griffith 3
- Grant Richards 21
- Granta Editions 1
- Graphic Publishers 2
- Grass, Barth & Comp. (w. Friedrich) 1
- Grasshopper 1
- Grayson & Grayson 1
- Great Bear Publishing 2
- Great Eastern Publishing 1
- Great Northern Books 5
- Great Western Railway Company 2
- Green Tiger Press 1
- Greenhill Books 20
- Greening & Co. Ltd. 2
- Greenwich Editions 5
- Greenwillow Books 1
- Greenwood Press 1
- Grenville Publishing Company Limited 3
- Gresley Books 1
- Greystone Books 2
- Grid Publishing 1
- Griffith and Farran 4
- Griffith Farran & Co. 3
- Griffith Farran Browne & Co Limited. 3
- Griffith Farran Browne & Co. Ltd. 1
- Griffith Farran Okeden & Welsh 4
- Griffith, Farran, Browne & Co. 1
- Griffith, Farran, Okeden & Welsh 1
- Groombridge & Sons 5
- Grosset & Dunlap 12
- Grosvenor Books 1
- Group Officers Association 1
- Grub Street 32
- Grund 1
- Gruppe C. Motorsport 2
- Gryphon Books 1