| Company | Country | Stage | Amount | Date | Investors |
|---|---|---|---|---|---|
| High Integrity Solutions Romsey | UK | Series B | €3.7M | 2005-06-01 | — |
| Cull Micro Imaging Marketing · Birkenhead | UK | Seed | €373k | 2005-06-01 | Eurofactor (United Kingdom) |
| Nanotecture Southampton | UK | Series C | €5.3M | 2005-05-01 | Quester Capital, Artemis |
| Nanotech Semiconductor Bristol | UK | Series B | €4.6M | 2005-05-01 | — |
| SiConnect Semiconductors | UK | Series A | €3.8M | 2005-05-01 | PRElude Trust, Draper Esprit |
| Edenbrook Limited Marketing · London | UK | Early VC | €1.5M | 2005-05-01 | — |
| Ideagen Cybersecurity · Matlock | UK | Early VC | €888k | 2005-05-01 | — |
| Oxford Nanopore Technologies Healthtech · Oxford | UK | Early VC | €692k | 2005-05-01 | — |
| Elixent Bristol | UK | Series C | €12M | 2005-04-01 | GIMV |
| SealedMedia Beaconsfield | UK | Early VC | €6.6M | 2005-04-01 | — |
| Intense Edinburgh | UK | Early VC | €3.6M | 2005-04-01 | — |
| Caspian education Edtech | UK | Series B | €1.2M | 2005-04-01 | HSBC, Enterprise Ventures Limited |
| Codemasters Gaming · Birmingham | UK | Seed | — | 2005-04-01 | Balderton Capital |
| AePONA Marketing · London | UK | Series B | €15M | 2005-03-01 | Invest Northern Ireland, Amadeus Capital Partners |
| Celltick Marketing · London | UK | Series C | €8.3M | 2005-03-01 | Amadeus Capital Partners |
| Trema Group Fintech · London | UK | Early VC | €7.9M | 2005-03-01 | Norvestor Equity, Investcorp, The Carlyle Group |
| mblox Marketing · London | UK | Series C | €5.7M | 2005-03-01 | — |
| Almondy Foodtech · London | UK | Series B | €4.1M | 2005-03-01 | Smedvig Capital |
| Udex Newport | UK | Early VC | €3.8M | 2005-03-01 | — |
| Actix Telecom · London | UK | Seed | — | 2005-03-01 | Summit Partners |
| Frontier Silicon Semiconductors · Watford | UK | Growth/Late | €21M | 2005-02-01 | Alta Berkeley Venture Partners, Apax Partners, Quilvest Ventures, BlueRun Ventures, ACT Venture Capital |
| Followap Staines-upon-Thames | UK | Series C | €12M | 2005-02-01 | Sequoia Capital, Star Ventures, Carmel Ventures, Israel Corp |
| Smart Holograms Milton | UK | Early VC | €5.2M | 2005-02-01 | — |
| Zipcar Inc Transportation | UK | Series D+ | €7.3M | 2005-01-01 | Benchmark |
| Helveta Software · Abingdon | UK | Series A | €815k | 2005-01-01 | Oxford Capital Partners |
