Westminster Voting Intention: BMG
| End Date | Company | Client | CON | LAB | LD | GRN | Lead |
| 26 Apr 2021 | BMG Online | The Independent | 39 | 35 | 9 | 6 | +4 |
| 19 Mar 2021 | BMG Online | The Independent | 39 | 37 | 9 | 6 | +2 |
| 09 Apr 2020 | BMG Online | The Independent | 46 | 29 | 10 | 6 | +17 |
| 06 Mar 2020 | BMG Online | The Independent | 45 | 28 | 11 | 6 | +17 |
| 07 Feb 2020 | BMG Online | The Independent | 41 | 29 | 11 | 8 | +12 |
| 10 Jan 2020 | BMG Online | The Independent | 44 | 29 | 11 | 5 | +15 |
| 11 Dec 2019 | BMG Online | 41 | 32 | 14 | 3 | +9 | |
| 06 Dec 2019 | BMG Online | Independent | 41 | 32 | 14 | 4 | +9 |
| 29 Nov 2019 | BMG Online | Independent | 39 | 33 | 13 | 5 | +6 |
| 21 Nov 2019 | BMG Online | Independent | 41 | 28 | 18 | 5 | +13 |
| 15 Nov 2019 | BMG Online | Independent | 37 | 29 | 16 | 5 | +8 |
| 08 Nov 2019 | BMG Online | Independent | 37 | 29 | 16 | 7 | +8 |
| 04 Oct 2019 | BMG Online | Independent | 31 | 26 | 20 | 7 | +5 |
| 06 Sep 2019 | BMG Online | Independent | 31 | 27 | 19 | +4 | |
| 14 Aug 2019 | BMG Online | Independent | 31 | 25 | 19 | 6 | +6 |
| 05 Jul 2019 | BMG Online | Independent | 28 | 27 | 18 | 6 | +1 |
| 07 Jun 2019 | BMG Online | Independent | 26 | 27 | 17 | 6 | +1 |
| 05 Apr 2019 | BMG Online | Independent | 35 | 34 | 11 | 5 | +1 |
| 08 Mar 2019 | BMG Online | 39 | 34 | 12 | 4 | +5 | |
| 08 Feb 2019 | BMG Online | 38 | 35 | 13 | 5 | +3 | |
| 11 Jan 2019 | BMG Online | Independent | 36 | 36 | 12 | 5 | Tie |
| 07 Dec 2018 | BMG Online | 37 | 38 | 12 | 4 | +1 | |
| 09 Nov 2018 | BMG Online | 36 | 37 | 12 | 4 | +1 | |
| 05 Oct 2018 | BMG Online | Independent | 38 | 39 | 10 | 4 | +1 |
| 29 Sep 2018 | BMG Online | HuffPost | 35 | 40 | 12 | 3 | +5 |
| 22 Sep 2018 | BMG Online | HuffPost | 38 | 38 | 10 | 4 | Tie |
| 07 Sep 2018 | BMG Online | Independent | 37 | 38 | 11 | 4 | +1 |
| 10 Aug 2018 | BMG Online | Independent | 37 | 39 | 10 | 5 | +2 |
| 05 Jul 2018 | BMG Online | 39 | 37 | 10 | 4 | +2 | |
| 08 Jun 2018 | BMG Online | Independent | 38 | 41 | 11 | 2 | +3 |
| 04 May 2018 | BMG Online | 39 | 39 | 10 | 3 | Tie | |
| 13 Apr 2018 | BMG Online | 39 | 38 | 11 | 4 | +1 | |
| 09 Feb 2018 | BMG Online | 40 | 40 | 8 | 4 | Tie | |
| 08 Dec 2017 | BMG Online | 37 | 40 | 9 | 3 | +3 | |
| 29 Sep 2017 | BMG Online | Independent | 37 | 42 | 10 | 3 | +5 |
| 15 Sep 2017 | BMG Online | Independent | 39 | 38 | 8 | 4 | +1 |
| 11 Aug 2017 | BMG Online | Independent | 42 | 39 | 7 | 3 | +3 |
| 07 Jun 2017 | BMG Online | Herald | 46 | 33 | 8 | 3 | +13 |
| 24 Oct 2016 | BMG Online | 42 | 28 | 8 | 4 | +14 | |
| 23 Sep 2016 | BMG Online | 39 | 28 | 8 | 5 | +11 | |
| 23 Aug 2016 | BMG Online | 39 | 29 | 8 | 5 | +10 | |
| 19 Jul 2016 | BMG Online | 39 | 29 | 8 | 6 | +10 | |
| 22 Jun 2016 | BMG Online | 32 | 30 | 7 | 6 | +2 | |
| 20 May 2016 | BMG Online | 31 | 32 | 8 | 6 | +1 | |
| 26 Apr 2016 | BMG Online | 33 | 32 | 6 | 5 | +1 | |
| 29 Mar 2016 | BMG Online | 36 | 31 | 7 | 5 | +5 | |
| 23 Feb 2016 | BMG Online | Electoral Reform Society | 38 | 30 | 5 | 5 | +8 |
| 17 Nov 2015 | BMG | 37 | 30 | 8 | 4 | +7 | |
| 27 Oct 2015 | BMG | 37 | 31 | 6 | 5 | +6 | |
| 05 May 2015 | BMG | May2015 | 34 | 34 | 10 | 4 | Tie |
| 27 Apr 2015 | BMG | May2015 | 35 | 32 | 11 | 3 | +3 |