| Royle Securities Limited | Extraterritorial | 2025 |
| Royle Spectacular Limited | Wholesale & retail | 2024 |
| Royle Vanguard Limited | Extraterritorial | 2026 |
| Royle White Limited | Extraterritorial | 2025 |
| Royston Stroud Limited | Extraterritorial | 2026 |
| RP Consultancy Services Limited | Financial services | 2021 |
| RP Evelyn Ltd | Financial services | 2025 |
| RPM Performance Tuning Ltd | Extraterritorial | 2021 |
| RPS Financial Consultancy Ltd | Professional & scientific | 2024 |
| RS Electrix Ltd | Construction | 2017 |
| RS Retreats Limited | Hospitality | 2022 |
| RSI Taxi Harrogate Ltd | Transport & logistics | 2025 |
| RU Creative Limited | Professional & scientific | 2013 |
| RUA Rentals Ltd | Real estate | 2019 |
| Rubian Limited | Construction | 2005 |
| Rubic Consulting Limited | Financial services | 2021 |
| Rubytone Records Ltd | Information & communication | 2013 |
| Rudding Dower Management Limited | Households | 1973 |
| Rudding Park Limited | Hospitality | 1987 |
| Rushbond Developments Limited | Real estate | 2020 |
| Rushbond PLC | Real estate | 1986 |
| Rushbond Retail Limited | Real estate | 2002 |
| Rushhome Limited | Construction | 2006 |
| Rushton & Company Limited | Construction | 2012 |
| Ruski's Limited | Hospitality | 2013 |
| Russell Tudor Limited | Extraterritorial | 2026 |
| Russian Standard Limited | Extraterritorial | 2012 |
| Rustic Limited | Extraterritorial | 2012 |
| Rustikin Ltd | Manufacturing | 2020 |
| Ruth Dicken Consulting Limited | Information & communication | 2014 |
| Rutland 2 Limited | Professional & scientific | 2024 |
| Rutland Residences Harrogate Limited | Households | 2024 |
| Rutland Wright Ltd | Hospitality | 2024 |
| Ruwad Alttariq Company Limited | Wholesale & retail | 2021 |
| RWD Consulting Limited | Professional & scientific | 2020 |
| RY4N Ltd | Extraterritorial | 2019 |
| Ryan Construction (Harrogate) Ltd | Construction | 1995 |
| Rycroft Limited | Extraterritorial | 2025 |
| Rygas Heating Ltd | Construction | 2024 |
| Ryyde Ltd | Transport & logistics | 2025 |
| Rírí Baby Ltd | Manufacturing | 2024 |
| S & C Hogg Limited | Professional & scientific | 2014 |
| S & K Drake Limited | Hospitality | 2025 |
| S & K Hanslow Limited | Wholesale & retail | 2003 |
| S & M Property Investments (Manchester) Limited | Real estate | 2004 |
| S & P Parker Limited | Health & social care | 2012 |
| S & S Harrogate Properties Limited | Real estate | 2020 |
| S a Ross Limited | Health & social care | 2017 |
| S and SA Architects Ltd | Professional & scientific | 2014 |
| S and VH Ltd | Real estate | 2021 |
| S Brown Aerials Ltd | Other services | 2007 |
| S G (Property Consultants) Ltd | Real estate | 2006 |
| S Jeffries Admin Ltd | Financial services | 2014 |
| S Johnson (Interiors) Ltd | Wholesale & retail | 2020 |
| S L Pedel and Sons Builders Ltd | Construction | 2026 |
| S M Utilities Limited | Construction | 2013 |
| S M Watson Electrical Contracting Ltd | Construction | 2018 |
| S Perocevic Limited | Health & social care | 2026 |
| S-Tier Cards Limited | Manufacturing | 2025 |
| S. Kent Aerials Limited | Construction | 2005 |
| S.F.G. Darlington Ltd | Hospitality | 2026 |
| S.Mekala Limited | Health & social care | 2018 |
| S.S.H. Coaching Limited | Administrative & support | 2004 |
| S.T.P. Maintenance Limited | Manufacturing | 2002 |
| S1CK Ltd | Extraterritorial | 2020 |
| S1ENNA Limited | Extraterritorial | 2020 |
| S1MON Ltd | Extraterritorial | 2016 |
| S3V Ltd | Real estate | 2022 |
| S3XY Ltd | Extraterritorial | 2015 |
| SA Invest & Consulting 2030 Ltd | Wholesale & retail | 2024 |
| SA Support Ltd | Construction | 2015 |
| SAB FM Limited | Administrative & support | 2026 |
| Sacha Woodward Associates Limited | Wholesale & retail | 2019 |
| SAD1E Limited | Extraterritorial | 2020 |
| Safe Alert Systems Limited | Administrative & support | 2017 |
| Safe Projects Limited | Professional & scientific | 2005 |
| Safeeye Ltd | Information & communication | 2023 |
| Safer Surfaces Limited | Construction | 2019 |
| Safety Pathfinders Consultancy Ltd | Administrative & support | 2023 |
| Saffron Insurance Services Limited | Financial services | 1964 |
| Saffron Restaurant Ltd | Hospitality | 2025 |
| Sage Takeaway Ltd | Hospitality | 2020 |
| Sahota Solutions Ltd | Information & communication | 2015 |
| SAI Europe Limited | Wholesale & retail | 2025 |
| Saint Leonard`S Property Company Limited | Real estate | 2008 |
| Saint-Clair Limited | Extraterritorial | 2025 |
| Saints Electrical Limited | Construction | 2021 |
| SAJ1D Limited | Extraterritorial | 2020 |
| Saker Security Limited | Administrative & support | 2025 |
| SAL (UK) Maintenance Ltd | Administrative & support | 2019 |
| Salem Properties Investment Ltd | Real estate | 2024 |
| SALFOD123 Ltd | Wholesale & retail | 2025 |
| Salford Roasters Limited | Manufacturing | 2022 |
| Salt Design Studio Ltd | Professional & scientific | 2024 |
| Salter Group Limited | Extraterritorial | 2025 |
| Saltergate Kids Club Ltd | Health & social care | 2008 |
| Saluda Medical Europe Limited | Wholesale & retail | 2016 |
| Salzgitter Mannesmann UK Limited | Wholesale & retail | 1989 |
| SAM Cryer Limited | Manufacturing | 1974 |
| SAM Leader Consulting Ltd | Professional & scientific | 2020 |