Sioned Williams: member for Brycheiniog Tawe Nedd, Senedd Cymru (Welsh Parliament)
Sioned Williams is a Plaid Cymru member of Senedd Cymru (Welsh Parliament) for Brycheiniog Tawe Nedd, according to the legislature's own published list. Sioned Williams is also Deputy First Minister and Cabinet Minister for Social Justice and Equality. Their current term began on 8 May 2021.
- Legislature
- Senedd Cymru (Welsh Parliament)
- Constituency
- Brycheiniog Tawe Nedd
- Party
- Plaid Cymru
- Posts
- Deputy First Minister and Cabinet Minister for Social Justice and Equality
- Term began
- 8 May 2021
- Official profile
- business.senedd.wales
- Source
- Senedd Cymru: members by constituency (modern.gov web service), read 4 November 2026 (saved copy)
Sioned Williams also has a page for the other posts they hold.
How to contact Sioned Williams
These are the details Senedd Cymru (Welsh Parliament) publishes for Sioned Williams, exactly as published on 4 November 2026:
- Email: Sioned.Williams-MS@Senedd.Wales
- Post: Welsh Parliament, Cardiff Bay, Cardiff, CF99 1SN
- Official profile: business.senedd.wales
Who else represents Brycheiniog Tawe Nedd
- Jane Dodds Welsh Liberal Democrats
- James Evans Reform UK
- Iain McIntosh Reform UK
- David Mills Reform UK
- Rebeca Phillips Plaid Cymru
Plaid Cymru on Senedd Cymru (Welsh Parliament)
Plaid Cymru holds 44 of the 96 seats on Senedd Cymru (Welsh Parliament), the largest group. Seats by party: Plaid Cymru 44, Reform UK 33, Welsh Conservative Party 7, Welsh Labour 6, Welsh Labour and Co-operative Party 3, Welsh Green Party 2 and others.
Leaders and post holders on Senedd Cymru (Welsh Parliament)
- Rhun ap Iorwerth First Minister of Wales
- Kerry Ferguson Deputy Presiding Officer
All 96 members of Senedd Cymru (Welsh Parliament).
Where Senedd Cymru (Welsh Parliament) sits in the ladder of power
See Wales.
Where this comes from
Senedd Cymru: members by constituency (modern.gov web service), read 4 November 2026 (saved copy). Published by Senedd Cymru (Welsh Parliament). The page is rebuilt from the official list each time it is read again, so anything the body changes or removes changes here too. Name or seat out of date? Tell us.