G
- Gantt chart
- Garnishee Proceedings
- GC21 Contract
- General Conditions
- General Damages
- Geotechnical
- GLAR Method
- Global Claim
- Good Faith
- Good Industry Practice
- Goods and Services Tax (GST)
- Green Building
- Green Building Council of Australia
- Green Star
- Greenfield Site
- Guarantee
- Guaranteed Maximum Price Contract (GMP)