European Parliament: ComRes
| End Date | Company | Client | UKIP | LAB | CON | LD | GRN | BRX | CHUK | SNP | Lead |
| 16 May 2019 | ComRes Online | Remain United | 3 | 22 | 11 | 14 | 7 | 33 | 5 | 3 | +11 |
| 16 May 2019 | ComRes Online | Sunday Express/Sunday Mirror | 2 | 23 | 9 | 16 | 9 | 31 | 4 | 4 | +8 |
| 12 May 2019 | ComRes Online | 3 | 25 | 15 | 13 | 7 | 27 | 6 | 3 | +2 | |
| 09 May 2019 | ComRes Online | Brexit Express | 3 | 25 | 13 | 14 | 8 | 27 | 6 | 3 | +2 |
| 07 May 2019 | ComRes Online | Centrum Campaign | 2 | 26 | 14 | 11 | 6 | 28 | 8 | 4 | +2 |
| 16 Apr 2019 | ComRes Online | Brexit Express | 5 | 33 | 18 | 9 | 5 | 17 | 9 | 4 | +15 |