The following groups operate in the constituencies that surround Cynon Valley. We believe that they oppose Brexit, but it is up to you to find out how active they are. Move your mouse over a group's name to see its contact details and click to update them. Please email us (update@istopbrexit.info) if any of the entries are inappropriate, defunct or duplicates. You may also create a login and then register a new group.The Referendum and General Election results for these constituencies are listed at the bottom of the page.
| Email: | hello@walesforeurope.org |
| Website: | walesforeurope.org/gwent/ |
| Facebook: | gwentforeurope |
| Twitter: | @Gwentforeurope |
| Website: | plaid.cymru; plaid.cymru/privacy |
| Facebook: | plaidcymruwales |
| Email: | post@plaid.cymru |
| Facebook: | pontylabour |
| Email: | pontypriddlabour@phonecoop.coop |
| Website: | walesforeurope.org |
| Facebook: | knightonstrongerineurope |
| Email: | hello@walesforeurope.org |
| Website: | walesforeurope.org/rhondda/ |
| Email: | RCT4EU@walesforeurope.org |
| Facebook: | valleys4eu |
| Twitter: | @valleys4eu |
| Email: | valleys@walesforeurope.org |
| Facebook: | yemwales |
| Twitter: | @AberINCampaign |
| Affiliated to: | Young European Movement |
| Website: | walesforeurope.org |
| Facebook: | walesforeurope |
| Email: | hello@walesforeurope.org |
| Website: | anothereurope.org |
| Facebook: | aeipwales; len.arthur1 |
| Email: | info@anothereurope.org |
| Affiliated to: | Another Europe is Possible |
| Website: | europeanmovement.co.uk/wales_branch |
| Email: | wales@euromove.org.uk |
| Affiliated to: | European Movement |
| Website: | welshlabour.org.uk |
| Facebook: | welshlab |
| Email: | wales@labour.org.uk |
| Website: | libdems.org.uk/privacy; welshlibdems.wales |
| Facebook: | welshlibdems |
| Email: | enquiries@welshlibdems.org.uk |
| Rhondda | Chris BRYANT | Lab | 64% | (PC | 22.3%) | Leave | 60.4% | ⇨ Remain | 53.0% |
| Brecon and Radnorshire | Chris DAVIES | Con | 48.5% | (LD | 29.1%) | Leave | 51.9% | ⇨ Remain | 52.6% |
| Neath | Christina REES | Lab | 56.7% | (Con | 23.7%) | Leave | 54.0% | ⇨ Remain | 56.3% |
| Cynon Valley | Ann CLWYD | Lab | 61% | (Con | 19.3%) | Leave | 56.7% | ⇨ Remain | 53.6% |
| Merthyr Tydfil and Rhymney | Gerald JONES | Lab | 66.7% | (Con | 18.1%) | Leave | 58.4% | ⇨ Remain | 54.4% |
| Pontypridd | Owen SMITH | Lab | 55.4% | (Con | 26.7%) | Remain | 53.5% | ⇨ Remain | 62.8% |
| Caerphilly | Wayne DAVID | Lab | 54.4% | (Con | 25.2%) | Leave | 55.1% | ⇨ Remain | 55.5% |
| Chris BRYANT | Lab 64% | (PC 22.3%) | |
| Rhondda | Leave 60.4% | ⇨ | Remain 53.0% |
| Chris DAVIES | Con 48.5% | (LD 29.1%) | |
| Brecon and Radnorshire | Leave 51.9% | ⇨ | Remain 52.6% |
| Christina REES | Lab 56.7% | (Con 23.7%) | |
| Neath | Leave 54.0% | ⇨ | Remain 56.3% |
| Ann CLWYD | Lab 61% | (Con 19.3%) | |
| Cynon Valley | Leave 56.7% | ⇨ | Remain 53.6% |
| Gerald JONES | Lab 66.7% | (Con 18.1%) | |
| Merthyr Tydfil and Rhymney | Leave 58.4% | ⇨ | Remain 54.4% |
| Owen SMITH | Lab 55.4% | (Con 26.7%) | |
| Pontypridd | Remain 53.5% | ⇨ | Remain 62.8% |
| Wayne DAVID | Lab 54.4% | (Con 25.2%) | |
| Caerphilly | Leave 55.1% | ⇨ | Remain 55.5% |
The General and by-Election results (with the second party in brackets) come from the House of Commons Library. The first Remain/Leave result is (the estimate for) the 2016 Referendum and the second (where shown) is the November 2018 polling for Best for Britain.