EU Membership: Deltapoll
| End Date | Company | Client | IN | OUT | DK | Lead |
| 14 Jul 2018 | Deltapoll Online | 45 | 45 | 11 | Tie | |
| 16 May 2018 | Deltapoll Online | 47 | 42 | 11 | +5 |
| End Date | Company | Client | IN | OUT | DK | Lead |
| 14 Jul 2018 | Deltapoll Online | 45 | 45 | 11 | Tie | |
| 16 May 2018 | Deltapoll Online | 47 | 42 | 11 | +5 |