ZG Ventures is a private investment firm based in Washington D.C. that invests in small, high-tech companies. ZG Ventures was founded by former Time Warner board member Miles Gilburne.
| Company | Date | Round | Size | Participants |
| InGrid | 7/07 | Series C | $13.5M | 5 |
| iSkoot | 2/07 | Series B | $7M | 4 |
| Clearspring | 2/07 | Series B | $5.5M | 5 |
| iSkoot | 11/06 | Series A | $6.2M | 3 |
| Clearspring | 5/06 | Series A | $2.5M | 2 |
