TCG Tech is located at Chatswood and have clients all over Sydney, including:
Lower North Shore
- Artarmon
- Cammeray
- Castle Cove
- Castlecrag
- Chatswood
- Chatswood West
- Cremorne
- Cremorne Point
- Crows Nest
- East Willoughby
- Greenwich
- Hunters Hill
- Kirribilli
- Lane Cove
- Lane Cove North
- Lane Cove West
- Lavender Bay
- Linley Point
- Longueville
- McMahons Point
- Middle Cove
- Milsons Point
- Mosman
- Naremburn
- Neutral Bay
- North Sydney
- North Willoughby
- Northbridge
- Northwood
- Riverview
- St Leonards
- Tennyson Point
- Greenwich
- Waverton
- Willoughby
- Wollstonecraft
- Woolwich
Upper North Shore
- East Killara
- East Lindfield
- Gordon
- Hornsby
- Killara
- Lindfield
- North Turramurra
- North Wahroonga
- Pymble
- Roseville
- Roseville Chase
- St Ives
- St Ives Chase
- South Turramurra
- Turramurra
- Wahroonga
- Waitara
- Warrawee
- West Pymble