| Website | 3i.com |
| Phone | +44 (0)20 7928 3131 |
| Employees |
3i is a British private equity group that has billions under management.
| Company | Date | Round | Size | Participants |
| Polatis | 6/09 | Unattributed | $8M | 7 |
| Small Bones Innovations | 5/09 | Series D | $73M | 4 |
| taptu | 12/08 | Series B | £6.45M | 2 |
| Konarka | 10/08 | Unattributed | $45M | 10 |
| Carbonite | 9/08 | Series C | $20M | 4 |
| EnOcean | 8/08 | Series D | €4.5M | 5 |
| SLR Consulting | 6/08 | Series C | $64.4M | 1 |
| Garlik | 6/08 | Unattributed | $5M | 3 |
| OmniGuide | 5/08 | Series E | $25M | 7 |
| Coremetrics | 4/08 | Series E | $60M | 1 |
| Triage Wireless | 3/08 | Series B | $20.3M | 4 |
| CacheLogic | 1/08 | Series D | $25M | 3 |
| Twenga | 12/07 | Seed | €2.6M | 1 |
| FastBooking | 10/07 | Series B | €35M | 2 |
| Intalio | 9/07 | Unattributed | 6 | |
| Demand Media | 9/07 | Series C | $100M | 5 |
| AOptix Technology | 5/07 | Series C | $15M | 4 |
| Intelliden | 5/07 | Series E | $10M | 5 |
| Carbonite | 5/07 | Series B | $15M | 3 |
| fabrik | 5/07 | Series D | $24.9M | 2 |
| Carbonite | 12/06 | Series A | $3.5M | 2 |
| Demand Media | 9/06 | Series B | $100M | 3 |
| CacheLogic | 7/06 | Series C | $20M | 4 |
| Carbonite | 3/06 | Series A | $2.5M | 3 |
| ClickandBuy | 1/06 | Series B | €20M | 1 |
| Peerflix | 10/05 | Series B | $8M | 3 |
| EnOcean | 3/05 | Series C | €10M | 4 |
| Peerflix | 3/05 | Series A | $2M | 2 |
| BlueLithium | 2/05 | Series A | $11.5M | 2 |
| Intalio | 7/04 | Series B | $11M | 6 |
| EnOcean | 1/04 | Series B | €4.4M | 4 |
| Fotolog | Series A | $12M | 2 | |
| OpenAir | Unattributed | $16M | 3 | |
| Sonim Technologies | Unattributed | $68M | 2 | |
| Sonim Technologies | Unattributed | $8M | 5 | |
| Velocix | Series A | 3 |
