Below is a list of all GPs, Health Boards and Trusts who have signed up to the Welsh Control Standard for Electronic Health and Care Records. By signing up to this, the signatories agree to adhere to the principles of the standard.
| Organisation | Practice Code | Sign-up Date |
| Aneurin Bevan UHB | - | 16.06.2017 |
| Tudor Gate Surgery | W93004 | 29.06.2020 |
| Blaenavon Medical Practice | W93015 | 18.08.2020 |
| Wye Valley Practice | W93019 | 26.09.2020 |
| The Vauxhall Practice | W93020 | 19.03.2018 |
| Mount Pleasant Practice | W93021 | 12.03.2019 |
| Town Gate Practice | W93022 | 01.07.2020 |
| New Chapel Street Surgery | W93026 | 28.09.2020 |
| Clark Avenue Surgery | W93028 | 27.06.2022 |
| Panteg Health Centre | W93031 | 10.09.2020 |
| Glan Rhyd Surgery | W93032 | 10.01.2020 |
| Old Station Surgery | W93033 | 27.07.2020 |
| Glyn Ebwy Surgery | W93035 | 08.10.20 |
| St Pauls Clinic | W93039 | 13.08.2021 |
| Bryngwyn Surgery | W93046 | 13.06.2018 |
| St David’s Clinic | W93054 | 21.08.2020 |
| Churchwood Surgery | W93056 | 06.08.2020 |
| Wellspring Medical Centre | W93059 | 13.08.2020 |
| Chaplewood Primary Care Centre | W93061 | 29.05.2018 |
| Glan-Yr-Afon Surgery | W93065 | 24.09.2020 |
| Dixton Surgery | W93072 | 18.08.2020 |
| Pen-y-cae Surgery | W93623 | 09.12.2019 |
| Tonyfelin Medical Centre | W95046 | 09.09.2021 |
| Oakfield Street Surgery | W95065 | 10.08.2022 |
| Meddygfa Cwm Rhymni Practice | W95081 | 14.07.2021 |
| Betsi Cadwaladr UHB | - | 16.01.2017 |
| Marches Medical Practice | W91021 | 23.09.2022 |
| Caritas Surgery | W00007 | 23.09.2020 |
| Uwchaled Medical Practice | W00065 | 25.04.2019 |
| Bradley's Practice | W00076 | 08.09.2022 |
| Bronyffynnon Surgery | W91027 | 01.09.2022 |
| Cadwgan Surgery | W91007 | 07.07.2021 |
| Dr A D Evans and Partners | W91010 | 06.10.2020 |
| Hope Family Medical Centre | W91013 | 16.10.2017 |
| Llwynhendy Health Centre | W91013 | 16.10.2017 |
| Bryn Darland Surgery | W91016 | 15.12.2017 |
| Pendre Surgery | W91017 | 31.01.2022 |
| Roseneath Medical Practice | W91018 | 16.09.2020 |
| Chirk Surgery | W91024 | 19.11.2019 |
| Allt Goch Medical Centre | W91032 | 09.09.2021 |
| Beech House Surgery | W91033 | 21.08.2020 |
| Shotton Lane Surgery | W91036 | 28.05.2020 |
| Gwrych Medical Centre | W91038 | 23.09.2021 |
| The Quay Surgery | W91040 | 26.08.2020 |
| Corwen Family Practice | W91047 | 14.09.2020 |
| Queensferry Medical Practice | W91051 | 27.03.2019 |
| Beech Avenue Practice | W91059 | 11.08.2021 |
| The Clinic | W91506 | 31.01.2022 |
| Hanmer Surgery | W91604 | 03.07.2021 |
| Crane Medical Centre | W91614 | 31.01.2022 |
| Lakeside Medical Centre | W91615 | 09.09.2021 |
| Caia Park Surgery | W91629 | 04.12.2017 |
| Mostyn House Medical Practice | W94001 | 06.08.2021 |
| Canolfan Iechyd Amlwch | W94002 | 08.01.2020 |
| Plas Menai Health Centre | W94003 | 20.09.2021 |
| Meddygfa Treflan Surgery | W94011 | 14.09.2020 |
| Meddygfa Penbryn Surgery & Llanfair Health Centre | W94015 | 30.09.2020 |
| Craig Y Don Medical Practice | W94019 | 27.07.2021 |
| Meddygfa Rhydbach | W94025 | 17.08.2020 |
| Yr Hen Orsaf Medical Centre | W94028 | 15.03.2019 |
| Coed Y Glyn Surgery | W94029 | 29.03.2019 |
| Bodreinallt Surgery | W94031 | 23.09.2020 |
| Bron Meirion Surgery | W94032 | 17.09.2021 |
| Glanfa Surgery | W94040 | 16.01.2018 |
| Gwalchmai Surgery | W94043 | 23.09.2021 |
| Corwen House Surgery | W94609 | 16.08.2021 |
| Cardiff & Vale UHB | - | 13.02.2020 |
| Waterfront Medical Centre | W97032 | 21.04.2023 |
| West Quay Medical Centre | W97001 | 22.07.2021 |
| Brynderwen & Minster Surgeries | W97006 | 13.09.2021 |
| Cloughmore Medical Centre | W97007 | 14.03.2019 |
| Cyncoed Medical Centre | W97010 | 22.07.2019 |
| Penarth Healthcare Partnership | W97011 | 08.08.2022 |
| North Cardiff Medical Centre | W97015 | 23.10.2019 |
| Westway Surgery | W97017 | 25.09.2020 |
| St Davids Court Surgery | W97018 | 13.09.2021 |
| North Road Medical Practice | W97020 | 28.04.2021 |
| Birchgrove Surgery | W97021 | 31.12.2019 |
| Woodlands Medical Centre | W97023 | 22.09.2020 |
| Saltmead Practice | W97029 | 12.06.2018 |
| Roath House Surgery | W97034 | 21.12.2017 |
| Fairwater Health Centre | W97047 | 30.03.2021 |
| Four Elms Medical Centre | W97048 | 12.09.2019 |
| Western Vale Family Practice | W97052 | 10.06.2019 |
| Albert Road Surgery | W97057 | 26.07.2021 |
| Corporation Road Surgery | W97063 | 11.08.2020 |
| Kings Road Surgery | W97067 | 29.09.2021 |
| Butetown Medical Practice | W97291 | 30.11.2017 |
| Grangetown Health Centre | W97616 | 26.08.2020 |
| Llandaff & Pentyrch Surgery | W97619 | 26.09.2021 |
| Cwm Taf Morgannwg UHB | - | 06.03.2020 |
| Park Lane Surgery | W95044 | 30.09.2022 |
| St John’s Medical Practice | W95001 | 18.01.2019 |
| Practice 3 – Keir Hardie Health Park | W95005 | 17.06.2019 |
| Oak Tree Surgery | W95010 | 20.08.2018 |
| Woodlands Surgery | W95012 | 23.03.2018 |
| The Medical Centre, Pencoed | W95018 | 05.07.2022 |
| Hirwaun Medical Centre | W95020 | 12.03.2019 |
| Ashgrove Surgery | W95024 | 25.01.2019 |
| Old School Surgery | W95025 | 13.12.2018 |
| Meddygfa Glan Cynon Surgery | W95029 | 05.07.2021 |
| St David’s Surgery | W95030 | 25.04.2018 |
| Cwm Garw Practice | W95031 | 10.04.2018 |
| The Surgery (North Cornelly) | W95034 | 30.04.2018 |
| Riversdale Surgery | W95035 | 28.09.2021 |
| Talbot Green Group Practice | W95036 | 02.05.2019 |
| Abercynon Medical Centre | W95042 | 01.09.2022 |
| Taff Vale Practice | W95058 | 17.06.2019 |
| Taffs Well Medical Centre | W95060 | 01.08.2018 |
| Bron Y Garn Surgery | W95064 | 15.07.2022 |
| New Tynewedd Medical Practice | W95071 | 25.03.2019 |
| Pontcae Medical Practice | W95072 | 24.04.2018 |
| Morlais Medical Practice | W95086 | 30.04.2018 |
| Oaklands Surgery | W95290 | 31.10.2019 |
| Lansbury Surgery | W95636 | 24.04.2019 |
| Practice 2 – Keir Hardie Health Park | W95647 | 16.11.2018 |
| Hywel Dda UHB | - | 13.06.2017 |
| Borth Surgery | W92006 | 29.07.2021 |
| Furnace House Surgery | W92016 | 07.04.2021 |
| Meddygfa Emlyn | W92018 | 08.11.2017 |
| Fairfield Surgery | W92021 | 14.09.2021 |
| Ystwyth Medical Group | W92025 | 13.08.2021 |
| Saundersfoot Medical Centre | W92033 | 14.06.2018 |
| Cross Hands and Tumble Medical Partnership | W92035 | 14.09.2021 |
| Winch Lane Surgery | W92042 | 21.09.2021 |
| Coalbrook Surgery | W92046 | 25.09.2020 |
| Meddygfa Penygroes Surgery | W92051 | 02.09.2020 |
| Tregaron Surgery | W92053 | 27.03.2019 |
| Llanfair Surgery | W92055 | 26.08.2020 |
| Llanilar Health Centre | W92056 | 10.08.2021 |
| Meddygfa Tywi | W92063 | 25.09.2020 |
| Morfa Lane Surgery | W92616 | 29.06.2021 |
| Powys THB | - | 16.06.2017 |
| Wylcwm Street Surgery | W96004 | 25.09.2020 |
| Welshpool Medical Practice | W96010 | 19.02.2019 |
| Llandrindod Wells Medical Practice | W96013 | 14.09.2020 |
| Crickhowell Group practice | W96016 | 03.12.2019 |
| Swansea Bay UHB | - | 07.06.2017 |
| Sketty and Killay Medical Centres | W98021 | 26.09.2022 |
| Amman Tawe Partnership | W00143 | 23.09.2020 |
| Dyfed Road Practice | W98002 | 15.07.2020 |
| Brynhyfryd Medical Centre | W98004 | 23.09.2020 |
| Skewen Medical Centre | w98010 | 25.09.2020 |
| Estuary Group Practice | W98012 | 20.08.2021 |
| Afan Valley Practice | W98017 | 12.08.2021 |
| Nicholl Street Medical Centre | W98020 | 19.08.2022 |
| Cwmtawe Medical Group | W98022 | 24.09.2020 |
| Kingsway Surgery | W98027 | 29.12.2017 |
| Dulais Valley Primary Care Centre | W98030 | 25.09.2020 |
| Mount Surgery | W98031 | 28.09.2021 |
| Riverside Surgery | W98035 | 28.12.2017 |
| Briton Ferry Health Centre | W98040 | 15.06.2018 |
| Manselton Surgery | W98043 | 29.09.2020 |
| The Vale of Neath Practice | W98046 | 14.12.2017 |
| Uplands and Mumbles Surgery | W98049 | 07.01.2020 |
| Kings Road Surgery | W98055 | 05.08.2021 |
| Abertawe Medical Partnership | W98608 | 11.08.2020 |
| Dr Penney’s Surgery at Cwmavon Health Centre | W98627 | 08.01.2020 |
| Digital Health and Care Wales | - | 28.02.2022 |
| NHS Wales Shared Services Partnership | - | 02.12.2020 |
| Public Health Wales | - | 17.02.2020 |
| Velindre University NHS Trust | - | 24.05.2017 |
| WAST | - | 30.05.2017 |