| Ryan Surveyors Ltd | Construction | 2025 |
| Ryan's Place Ltd | Hospitality | 2023 |
| Ryass Ltd | Health & social care | 2025 |
| Ryatt Investments Ltd | Real estate | 2023 |
| Ryatt Properties Limited | Real estate | 2025 |
| RYB Consulting Limited | Professional & scientific | 2025 |
| Rychly Properties Ltd | Real estate | 2025 |
| Ryda Private Hire Ltd | Transport & logistics | 2024 |
| Rydal House Limited | Professional & scientific | 2012 |
| Rydam Developments Ltd. | Manufacturing | 2013 |
| Rydam Universal Limited | Manufacturing | 1986 |
| Ryder Adams Limited | Financial services | 2004 |
| Ryder Associates (Yorkshire) Limited | Real estate | 2011 |
| Ryedale Group Holdings Limited | Financial services | 2024 |
| Ryedale House Opco Limited | Real estate | 2023 |
| Ryedale House Propco Limited | Real estate | 2023 |
| Ryedale Interiors Limited | Manufacturing | 1998 |
| Ryemouth Limited | Real estate | 1996 |
| Ryfe Ltd | Administrative & support | 2016 |
| Rykar Ltd | Wholesale & retail | 2003 |
| Ryker Investments and Holdings Ltd | Financial services | 2024 |
| Rylock Construction Ltd | Health & social care | 2024 |
| Rylstone Properties Limited | Real estate | 2000 |
| Rymaks Investment Ltd | Wholesale & retail | 2024 |
| Rymus Limited | Construction | 2008 |
| Ryobi Resales Ltd | Manufacturing | 2003 |
| Ryomed Ltd | Manufacturing | 2002 |
| Rypula Records Ltd | Information & communication | 2026 |
| Rytis Valickas Limited | Transport & logistics | 2025 |
| RZ Joinery Ltd | Construction | 2020 |
| S & a Leeds Ltd | Hospitality | 2019 |
| S & B Construction (Northern) Limited | Construction | 2017 |
| S & B Dental Limited | Health & social care | 2021 |
| S & B Joinery & Building Ltd | Construction | 2024 |
| S & C Foster Limited | Water & waste | 2010 |
| S & C Northern Developments Ltd | Construction | 2023 |
| S & C Premier Properties Limited | Real estate | 2014 |
| S & D International Limited | Information & communication | 2016 |
| S & DS Properties Limited | Real estate | 2022 |
| S & E Consultancy Ltd | Professional & scientific | 2020 |
| S & E Health Ltd | Health & social care | 2016 |
| S & G Aluminium Fabrications Limited | Manufacturing | 1989 |
| S & G Smith (Yorkshire) Ltd | Real estate | 2015 |
| S & G Testing Services Ltd | Professional & scientific | 2019 |
| S & J Cleaning Solutions Limited | Administrative & support | 2018 |
| S & J Wood Holdings Limited | Real estate | 2018 |
| S & K Berry Associates Limited | Financial services | 2005 |
| S & K Berry Wealth Management Limited | Financial services | 2022 |
| S & K Controls Limited | Construction | 2020 |
| S & K Paint and DEC Ltd | Construction | 2025 |
| S & K Resource Ltd | Financial services | 2012 |
| S & L Islands Ltd | Professional & scientific | 2019 |
| S & LG Consultancy Ltd | Professional & scientific | 2023 |
| S & M Property Consultants Ltd | Real estate | 2023 |
| S & R Electrical Contracting Services Limited | Construction | 2017 |
| S & R Management Consultants Ltd | Information & communication | 2017 |
| S & R Metcalfe Limited | Wholesale & retail | 2003 |
| S & R Rothwell Ltd | Professional & scientific | 2003 |
| S & R Stoneyard Limited | Professional & scientific | 2011 |
| S & S Electrical (UK) Ltd | Construction | 2012 |
| S & S Properties (Yorkshire) LLP | | 2008 |
| S & W Birch Ltd | Other services | 2026 |
| S & Z Holdings Limited | Real estate | 2020 |
| S 1 Autos Ltd | Wholesale & retail | 2020 |
| S a Autos Ltd | Wholesale & retail | 2014 |
| S a Harrison Laboratories Limited | Health & social care | 2002 |
| S a J D Properties Limited | Real estate | 2017 |
| S Afzal Investments Limited | Real estate | 2020 |
| S Ahmed Properties Ltd | Real estate | 2025 |
| S ALI Enterprises Ltd. | Hospitality | 2015 |
| S Allsop Limited | Financial services | 1996 |
| S and a Meadows Limited | Real estate | 2014 |
| S and B Medical Services Limited | Health & social care | 2013 |
| S and J Powder Coating Limited | Construction | 2020 |
| S and L UK Holdings Limited | Financial services | 2021 |
| S Balica Couriers Limited | Transport & logistics | 2025 |
| S Barber Joinery Ltd | Manufacturing | 2021 |
| S Bashir Limited | Health & social care | 2010 |
| S Beebakes Ltd | Wholesale & retail | 2023 |
| S Blake Aviation Ltd | Professional & scientific | 2023 |
| S Bowden Consultancy Limited | Professional & scientific | 2025 |
| S Capital Limited | Arts & recreation | 2025 |
| S Clarke Logistics Ltd | Other services | 2023 |
| S D J (Oulton) Limited | Real estate | 2001 |
| S D Leeds Ltd | Administrative & support | 2013 |
| S Dalby Consulting Limited | Financial services | 2016 |
| S Davey Technical Consultancy Limited | Professional & scientific | 2017 |
| S Dutt Ltd | Professional & scientific | 2018 |
| S E Hancock & SON Limited | Manufacturing | 2002 |
| S Family Properties Ltd | Real estate | 2024 |
| S Forbes Ltd | Information & communication | 2002 |
| S G Styling Limited | Other services | 2017 |
| S Giller Ltd | Professional & scientific | 2022 |
| S Goldwyn Ltd | Wholesale & retail | 2006 |
| S Gordge Courier Ltd | Transport & logistics | 2026 |
| S Griffin Enterprises Ltd | Construction | 2025 |
| S H a Pharma Ltd | Health & social care | 2026 |
| S H Autocare Ltd | Other services | 2023 |
| S H Couriers Group Ltd | Transport & logistics | 2026 |
| S H Pantry Ltd | Hospitality | 2026 |