| RW Linings Limited | Construction | 2026 |
| RW Property Investments Yorkshire Ltd | Real estate | 2025 |
| RWB Railway Holdings Ltd | Financial services | 2013 |
| RWD Brickwork Limited | Construction | 2025 |
| RWS (Plastering & Drylining) Ltd | Construction | 2010 |
| RWS Contracts Ltd | Construction | 2019 |
| RWS Estates Limited | Real estate | 2024 |
| RWS Holdings (Yorkshire) Ltd. | Financial services | 2019 |
| RY Rigging Limited | Information & communication | 2025 |
| Rybill Ltd | Financial services | 2026 |
| Ryecroft Apartments Ltd | Real estate | 2024 |
| RYS Industries Limited | Hospitality | 2025 |
| Ryse Ventures Ltd | Arts & recreation | 2017 |
| S & a Bakery Ltd | Extraterritorial | 2003 |
| S & B Mobayen Properties Limited | Real estate | 2022 |
| S & C Smith Ltd | Wholesale & retail | 2012 |
| S & G Builders (South Yorkshire) Ltd | Construction | 2022 |
| S & M Pipework Limited | Construction | 2013 |
| S & R Fencing Limited | Construction | 2021 |
| S & S Clothing (U.K.) Limited | Manufacturing | 2002 |
| S & S Estates Ltd | Real estate | 2016 |
| S & S Property (Rotherham) Ltd | Real estate | 2016 |
| S & T Winks Memorials and Flowers Ltd | Other services | 2024 |
| S a Flanges Limited | Manufacturing | 2001 |
| S B Manufacturing Services Limited | Manufacturing | 2007 |
| S Cakebread Cladding Ltd | Construction | 2016 |
| S Curd Builder Ltd | Administrative & support | 2016 |
| S Fletcher Car Sales Limited | Wholesale & retail | 2007 |
| S K Hodgson Plant Repairs Ltd | Manufacturing | 2025 |
| S K L Salon Services Limited | Manufacturing | 2014 |
| S L W Medical Limited | Health & social care | 2025 |
| S M Fireplaces Limited | Wholesale & retail | 2016 |
| S M Travel Yorkshire Ltd | Wholesale & retail | 2018 |
| S P Woolhouse and Sons Limited | Agriculture & fishing | 2014 |
| S R Brown Consultancy Services Ltd | Professional & scientific | 2013 |
| S R Hughes Ltd | Wholesale & retail | 2014 |
| S S Randhawa Limited | Professional & scientific | 2017 |
| S Sharp Construction Limited | Construction | 2020 |
| S Supervision Security Services Ltd | Administrative & support | 2023 |
| S Sweeney Electrical Services Limited | Construction | 2016 |
| S&A Associates Ltd | Real estate | 2026 |
| S&A Gaming Ltd | Wholesale & retail | 2021 |
| S&B Motor Trade Ltd | Wholesale & retail | 2025 |
| S&D Podiatry Ltd | Health & social care | 2022 |
| S&G Associates Ltd | Professional & scientific | 2021 |
| S&G Motor Sales Ltd | Wholesale & retail | 2025 |
| S&G Worldwide Traders Limited | Wholesale & retail | 2017 |
| S&L Property Management Limited | Real estate | 2023 |
| S&N Wilson Property Ltd | Real estate | 2025 |
| S&P Auto Salvage Ltd | Wholesale & retail | 2026 |
| S&S Engineering Services Limited | Construction | 2020 |
| S&S Entertainment Park Limited | Arts & recreation | 2018 |
| S&S Leisure Park Ltd | Arts & recreation | 2018 |
| S&Y Investments Management Ltd | Real estate | 2024 |
| S'Amour Ltd | Wholesale & retail | 2025 |
| S. Chandran Limited | Health & social care | 2016 |
| S. Dudill Plumbing & Heating Limited | Construction | 2008 |
| S. Harrison & Sons 165 Limited | Real estate | 2020 |
| S.Ackerman Couriers Ltd | Transport & logistics | 2022 |
| S.C. Plastering and Maintenance Ltd | Construction | 2024 |
| S.E Roadside Assist Limited | Wholesale & retail | 2024 |
| S.E.L.L. Limited | Transport & logistics | 2022 |
| S.H.S. Freight Services Limited | Transport & logistics | 1990 |
| S.Harrison & Sons (Transport) Limited | Transport & logistics | 1955 |
| S.I.W. Interiors Limited | Construction | 2023 |
| S.J. Business Micro Systems Limited | Information & communication | 1983 |
| S.L.A. Roofing Ltd | Construction | 2021 |
| S.L.Kay Limited | Health & social care | 2019 |
| S.P.I. Developments Limited | Manufacturing | 2002 |
| S.S. Systems Limited | Construction | 1997 |
| S.W. Properties (Yorkshire) Ltd | Real estate | 2023 |
| S.W.A.T. Traffic Management Limited | Construction | 2017 |
| S.Y.E.C Ltd | Construction | 2011 |
| S1 Courier Ltd | Transport & logistics | 2026 |
| S12 Car Sales Ltd | Wholesale & retail | 2026 |
| S12 Ventures Ltd | Real estate | 2026 |
| S12N Ltd | Construction | 2026 |
| S13 Electrical Limited | Construction | 2026 |
| S2 Electrical Design Ltd | Professional & scientific | 2025 |
| S2 Sofas Ltd | Real estate | 2016 |
| S21 Sandwich Bar Ltd | Hospitality | 2025 |
| S2S Electronics Ltd | Water & waste | 1987 |
| S3 ID Group Limited | Administrative & support | 2010 |
| S3 ID Limited | Manufacturing | 2007 |
| S35 Roofing Ltd | Construction | 2023 |
| S4'S Home Interiors Ltd | Wholesale & retail | 2025 |
| S5 Training Ltd | Wholesale & retail | 2025 |
| S60 Crossfit Ltd | Arts & recreation | 2025 |
| S60 Recovery & Transportation Ltd | Transport & logistics | 2023 |
| S61 Carwash Ltd | Administrative & support | 2025 |
| S62 Boilers Ltd | Construction | 2020 |
| S63 Bargain Booze Express Ltd | Wholesale & retail | 2025 |
| S63 Construction Ltd | Construction | 2019 |
| S63 Properties Limited | Real estate | 2019 |
| S64 Properties Ltd | Real estate | 2017 |
| S65 Properties Limited | Real estate | 2019 |
| S65 Property Maintenance Ltd | Construction | 2023 |
| S66 Carwash Ltd | Administrative & support | 2024 |
| S66 Developments Limited | Construction | 2014 |
| S66 Properties Ltd | Professional & scientific | 2019 |