Services for G
- Gadget workshops at 222 Upper St.
- Gail Walker
- Gain Ctrl Music Studio
- Galop
- Gambier House Tenant Management Organisation (TMO)
- Gamblers Anonymous
- GamCare
- Game Ctrl Tournaments
- The Garden Classroom
- Gardening Club at The Parent House
- Gardening for Disabled Trust
- Garnet Ward, Highgate Mental Health Centre
- Gay Gooners
- Gender Identity Development Service
- A Georgian Christmas, Wesley Chapel
- Georgie Lou Dance and Fitness
- Gerry Kee
- Get Back on Track
- Get Online @ Home
- GetFit Camp
- Getting into Work, for Young People, at Finsbury Park Theatre
- Ghana Union
- Gifted Care Services Ltd
- Gill's Cat Care
- Gillespie Primary School
- Gillespie Primary School Nursery
- Gillian Wardell
- Gingerbread
- Girdlestone Community Centre and Youth Centre
- Girls Group 14-19
- Glasspool Charity Trust
- GLOW Beatz
- Go Cleaners - Islington Cleaning Services
- Go Cleaners Islington
- Go For Cleaning LTD - Professional Carpet Cleaners in London
- Go Mammoth
- GoalBall
- Golden Lane Children's Centre
- Goldmsith Personnel Ltd
- The Good Care Group London Ltd
- Good Gym
- Goodinge Early Years Centre
- Goodinge Health Centre
- Government Funding
- Governorline
- The Gower School
- GP - Registering
- GPs in Islington
- GPS Trackershop
- Graffiti
- Grafton Primary School
- Grafton Primary School Nursery
- Grand Union Orchestra Sessions at Rich Mix
- Grandmentors Islington
- Great Ormond Street Hospital for Children
- Greater London North Scout County
- Greater London Tutors
- Green Light Taekwondo
- Green Party - Islington Branch
- Greennet
- Greenpeace UK
- Greenspace
- Grosvenor Avenue Post Office
- Groundwork North London
- The Grove Nursery
- Growing Together: Support for Parents and Young Children
- The Gym Group - London Angel
- The Gym London Angel
- Gymboree Hackney & Islington
- Gymbox
- Gymnastics for children with Special Educational Needs
- Gyms in Islington leisure centres