- Classifications
- Galleries
- Galvanising
- Game and Poultry Breeders
- Game Dealers
- Games Shops
- Garage Doors Suppliers and Installers
- Garage Equipment and Services
- Garage Mechanics
- Garages
- Garden and Patio Furniture
- Garden Centres and Nurseries
- Garden Design
- Garden Ornaments
- Garden Sheds
- Garden Tools and Equipment
- Gardening Services
- Gas Appliances Supply and Maintenance
- Gas Burners
- Gas Companies
- Gas Engineers
- Gas Equipment
- Gas Installers
- Gas Safety Testing and Inspection
- Gas Service Engineers
- Gas Suppliers
- Gases Industrial
- Gaskets
- Gates and Railings
- Gauges
- Gear Cutters
- Gearboxes
- Gears
- Genealogists and Family Historians
- Generators
- Geological and Geophysical Consultants
- Gift Services
- Gift Shops
- Giftware and Novelties
- Giftware Manufacturers
- Glass Boarding and Replacement Services
- Glass Engravers and Decorators
- Glass Fibre
- Glass Fibre Materials and Tools
- Glass Merchants
- Glassware
- Glassworkers
- Glaziers
- Gloves
- Goldsmiths and Silversmiths
- Golf Courses and Clubs
- Golf Driving Ranges
- Golf Equipment
- Graffiti Removal
- Grain Merchants
- Graphic and Display Services
- Graphic Designers and Commercial Artists
- Graphologists
- Grave and Cemetery Maintenance
- Greengrocers and Fruit Sellers
- Greenhouses and Accessories
- Greeting Cards
- Grinding Equipment and Services
- Grocery and Provision Merchants
- Guards Grilles Door and Window
- Guest Houses
- Gum Resin Manufacturers and Distributors
- Gunsmiths
- Guttering Services
