| Richard Howarth & Sons Limited | Real estate | 1967 |
| Richard Jane Thoroughbreds Ltd | Arts & recreation | 2025 |
| Richard Mcgready Ltd | Transport & logistics | 2025 |
| Richard Metcalf Limited | Health & social care | 2003 |
| Richard Purser Consulting Ltd | Professional & scientific | 2019 |
| Richard Wild (Stationers) Limited | Administrative & support | 1983 |
| Riches & Ropes Ltd | Wholesale & retail | 2025 |
| Richmond Knight Estates Limited | Real estate | 2016 |
| Richwood Building Limited | Construction | 2016 |
| Ricky Cheung Ltd. | Health & social care | 2005 |
| Ricky's Guitar Ltd | Information & communication | 2023 |
| Ricky's School of Rock Ltd | Arts & recreation | 2011 |
| Rico Digital Ltd | Information & communication | 2023 |
| Riddle and Rind Ltd | Hospitality | 2025 |
| Rider Custom Cabinet Makers Ltd | Manufacturing | 2016 |
| Rider Guider Limited | Information & communication | 2020 |
| Ridfear Limited | Education | 2004 |
| Ridley & Hall Legal Limited | Professional & scientific | 2014 |
| Right Brain Future Ltd | Professional & scientific | 2007 |
| Right Car Parts Limited | Wholesale & retail | 2026 |
| Right Choice Sales and Lettings Ltd | Real estate | 2020 |
| Right Construction Limited | Construction | 2019 |
| Rightmindthinking Ltd | Other services | 2019 |
| Rightway Transport Ltd | Transport & logistics | 2024 |
| Rigwood Holdings Limited | Real estate | 2025 |
| Riley Farms Ltd | Agriculture & fishing | 2023 |
| RIM Architectural Services Ltd | Professional & scientific | 2024 |
| Rimarele Nexus Limited | Health & social care | 2025 |
| Rimten UK Ltd | Hospitality | 2023 |
| Ring Medical Services Limited | Health & social care | 2014 |
| Ringrose GAS Services Ltd | Manufacturing | 2021 |
| Ringstone Royd Livery and Rehabilitation Limited | Agriculture & fishing | 2026 |
| Ringwealth Limited | Real estate | 2000 |
| RIO Foods (Hudd) Limited | Wholesale & retail | 2018 |
| Riple Ltd | Wholesale & retail | 2022 |
| Ripple Estates Ltd | Real estate | 2024 |
| Rise and Shine Afterschool Club Limited | Health & social care | 2023 |
| Rise in Unity CIC | Education | 2023 |
| Rise Services Ltd | Wholesale & retail | 2025 |
| Rise Wellness Club Ltd | Arts & recreation | 2025 |
| Rise Wellness Events Ltd | Arts & recreation | 2026 |
| Rising Ecom Ltd | Wholesale & retail | 2025 |
| Risk MAP Limited | Professional & scientific | 2024 |
| Riskreach Ltd | Professional & scientific | 2024 |
| Riston Services Limited | Professional & scientific | 2023 |
| Rita's Cafe Ltd | Hospitality | 2026 |
| River Holme View Management Company Ltd | Real estate | 2022 |
| River View Hook Management Limited | Households | 2023 |
| River Wood Developments Ltd | Real estate | 2020 |
| Riverage Holdings Limited | Financial services | 2022 |
| Riverdale Recruitment Ltd | Administrative & support | 2023 |
| Riverside Pigeon Lofts Limited | Real estate | 1989 |
| Riverside Renewables Heating and Solar Ltd | Construction | 2025 |
| Rivertree Trust | Health & social care | 2013 |
| Riyad Rides Ltd | Transport & logistics | 2024 |
| RIZ Developments Ltd | Real estate | 2015 |
| Rizq Consulting Ltd | Information & communication | 2011 |
| RJ Fabrics Limited | Wholesale & retail | 2018 |
| RJ Lettings Limited | Real estate | 2022 |
| RJ Wood Contracting Ltd | Construction | 2021 |
| RJB Electrical Installations Ltd | Construction | 2018 |
| RJB Investments and Holdings Ltd | Real estate | 2026 |
| Rjbk Consultants Ltd | Professional & scientific | 2020 |
| RJD Sunshine Services Limited | Wholesale & retail | 2024 |
| RJE Property Ltd | Real estate | 2026 |
| RJG Property Ltd | Real estate | 2018 |
| RJJ Sculptor Ltd | Arts & recreation | 2022 |
| RJJ Services Limited | Real estate | 2020 |
| RJW Construction & Surfacing Ltd | Construction | 2023 |
| RK Cars (Huddersfield) Limited | Wholesale & retail | 2024 |
| RK Chemist Limited | Wholesale & retail | 2021 |
| RK Clad Limited | Construction | 2018 |
| RK Hydro Clean Ltd | Administrative & support | 2025 |
| RKM Build Ltd | Construction | 2026 |
| Rkprint Solutions Limited | Manufacturing | 2024 |
| RKS Global Traders Ltd Ltd | Wholesale & retail | 2025 |
| RL Refurbishment Solutions Ltd | Manufacturing | 2008 |
| Rldm Ltd | Professional & scientific | 2018 |
| RLK Properties Yorkshire Limited | Real estate | 2021 |
| RLL Technologies Ltd | Professional & scientific | 2018 |
| RLW Events Limited | Professional & scientific | 2022 |
| RM & ZH Ltd | Professional & scientific | 2019 |
| RM 101 Limited | Financial services | 2025 |
| RM Analytical Limited | Administrative & support | 2012 |
| RM Clinical Services Ltd | Professional & scientific | 2022 |
| RM Fabrics Limited | Wholesale & retail | 2020 |
| RM Secure Ltd | Other services | 2018 |
| RMA Medical Ltd | Health & social care | 2021 |
| RMA Pipeline Equipment Ltd | Wholesale & retail | 2006 |
| RMA Yorkshire Ltd | Hospitality | 2026 |
| RMB Property Developments Limited | Construction | 2003 |
| Rmbh Developments Ltd | Construction | 2021 |
| RMD Law Limited | Other services | 2010 |
| RME Systems Ltd | Construction | 2025 |
| RMK Pharma Ltd | Health & social care | 2020 |
| RMP Groundcare Ltd | Administrative & support | 2015 |
| RMS Home Ltd | Real estate | 2023 |
| RMW Law LLP | | 2011 |
| RMZ EYE Specialists Ltd | Health & social care | 2023 |
| RN Podiatry Ltd | Health & social care | 2023 |