S

S&A Group Holdings Limited

Sutton Rd, Llandow, Cowbridge,Vale of Glamorgan, CF71 7PA

https://www.sagroup.global/

S4C

Doc Fictoria, Caernarfon LL55 1TH

http://www.s4c.cymru

SALTs Healthcare Ltd

Hickman Rd, Penarth,Vale of Glamorgan, CF64 2AJ

https://www.salts.co.uk/

Sarum Biosciences Ltd

Tafarnaubach,Tredegar, Blaenau Gwent, NP22 3AA

http://sarumbiosciences.co.uk/

Sarvari Research Trust

Bangor, Gwynedd, LL57 4BG

 http://sarpo.co.uk/home/

Sazani Associates

2 Blue St, Carmarthen SA31 3LQ

http://www.sazaniassociates.org.uk

Scarlets Regional Limited

Pemberton Park, Llanelli SA14 9UZ

http://www.parcyscarlets.com

Secure Sensor Innovative Design Ltd

Pencoed, Bridgend CF35 6LT

 Select For Limited

Aberystwyth, Ceredigion, SY23 4AX

http://www.selectfor.com/

 Semitechnologies Ltd

Swansea SA7 9FS

 Shunxi Stem Cell Engineering Ltd

Singleton Park, Swansea SA2 8PY

Siemens Healthcare Diagnostics Products Ltd

Llanberis, Caernarfon, Gwynedd LL55 4EL

http://www.siemens.co.uk

Silverwing UK Ltd

Swansea Enterprise Park, Clos Llyn Cwm, Bon-y-maen, Swansea SA6 8QY

http://eddyfi.com

Simbec Research Ltd

Pentrebach, Merthyr Tydfil CF48 4DR

http://www.researchuk.co.uk

 Simply Do Ideas

Caerphilly CF83 3GG

https://www.simplydo.co.uk/

 Skin Care Cymru

Gowerton, Swansea SA4 3DF

http://skincarecymru.wales/

 Skybound Therapies Ltd.

Wiston, Haverfordwest SA62 4BD

https://www.skyboundtherapies.co.uk/

Snowdonia National Park Authority / Awdurdod Parc Cenedlaethol Eryri

Penrhyndeudraeth, Gwynedd LL48 6LF

http://www.eryri-npa.gov.uk

 Snowdonia Watersports

 Llanberis, Caernarfon, Gwynedd, LL55 4EL

http://snowdoniawatersports.com

 Solas-Cymru Limited

Newport NP20 1AA

http://www.solas-cymru.co.uk

 Solutions4Health Ltd

Reading RG1 8EQ

https://www.solutions4health.co.uk/

Sophimark Limited

Bodorgan, Isle of Anglesey, LL62 5HD

South Wales Forensic Mental Health Service

Bridgend CF31 4LN

http://www.wales.nhs.uk/sitesplus/863/page/39363

 Sport Wales- Cardiff

Sophia Gardens, Cardiff CF11 9SW

http://sport.wales

 Sport Wales- Gwynedd

Plas Menai, Sport Wales National Outdoor, Centre, Caernarfon, Gwynedd, LL55 1UE

http://sport.wales

 Sports and Wellbeing Analytics Limited

Neath Port Talbot SA10 7QA

https://swa.one/ 

 St David’s Hospice

Abbey Rd, Llandudno,Conwy, LL30 2EN

http://stdavidshospice.org.uk

 St Padarn’s Institute

54 Cardiff Rd, Cardiff CF5 2YJ

https://www.stpadarns.ac.uk/en/

Stenor Environmental Services Ltd

Swansea SA1 8QU

https://www.stenor.co.uk/

STG Aerospace

Brecon House, William Brown Cl, Cwmbran NP44 3AB

http://www.stgaerospace.com

Swansea Bay University Health Board 

Baglan, Port Talbot, SA12 7BR

https://sbuhb.nhs.wales/

Swansea City Football Academy

Swansea SA6 8AX

http://www.swanseacity.net

 Swansea Council

 Swansea SA1 4PE

http://www.swansea.gov.uk

Swansea Council-Western Bay

Swansea SA1 3SN

http://www.swansea.gov.uk

Swim Wales

Swansea SA2 8QG

http://www.swimwales.org