| Razwanpharma Ltd | Health & social care | 2018 |
| RB Cable Jointing Ltd | Construction | 2023 |
| RB Plumbing & Heating Services Ltd | Construction | 2024 |
| RB Rentals and Renovations Ltd | Real estate | 2026 |
| RBC Electrical Huddersfield Ltd | Construction | 2025 |
| RBI Consulting Services Limited | Professional & scientific | 2011 |
| RBM GAS Services Limited | Construction | 2015 |
| RBR Limited | Construction | 2005 |
| Rbwpc Investments | Financial services | 2018 |
| RC Lifestyle Services Ltd | Administrative & support | 2015 |
| RC Roofline Ltd | Construction | 2020 |
| Rcandl Media Limited | Information & communication | 2009 |
| Rccg Jesus Tabernacle Parish Huddersfield | Other services | 2024 |
| RCG Middlecliffe Homes Ltd | Construction | 2024 |
| RD Fencing & Decking Ltd | Construction | 2025 |
| RD Landscaping Ltd | Administrative & support | 2025 |
| RD Property Holdings Ltd | Real estate | 2025 |
| RD Thornton Property Ltd | Real estate | 2023 |
| RDH Creative Ltd | Professional & scientific | 2008 |
| RDH Pension Review Limited | Professional & scientific | 2001 |
| RDT Development One Ltd | Construction | 2025 |
| RDW Book and Paper Conservation Limited | Manufacturing | 2018 |
| Re-Form Landscape Architecture (2023) Limited | Financial services | 2023 |
| Re-Form Landscape Architecture (Manchester) Limited | Professional & scientific | 2016 |
| Re-Form Landscape Architecture Limited | Professional & scientific | 2011 |
| Re-Form Landscape Architecture Trust Limited | Administrative & support | 2023 |
| Re-Gen Gardening Ltd | Administrative & support | 2025 |
| Reach and Rescue Limited | Administrative & support | 2010 |
| Reactaid CIC | Health & social care | 2023 |
| Ready SET Shine Ltd | Administrative & support | 2025 |
| Readymix Huddersfield Ltd | Manufacturing | 1946 |
| Readyvision Limited | Wholesale & retail | 1979 |
| Real Estate Agents (Pontefract) Limited | Administrative & support | 2024 |
| Real Homes Solutions Limited | Real estate | 2015 |
| Real Management (Victoria Mills) Limited | Real estate | 2004 |
| Real Media Ltd | Manufacturing | 2004 |
| Real Rainmaker Limited | Financial services | 2024 |
| Real Recruits Consulting Limited | Administrative & support | 2020 |
| Realistic Prosthetics Ltd. | Manufacturing | 1999 |
| Really Short Lets Limited | Real estate | 2015 |
| Ream Estates Limited | Real estate | 2015 |
| Reanimate Performance Limited | Arts & recreation | 2019 |
| REB 78 Ltd | Real estate | 2014 |
| Rebecca Lockwood Consultancy Limited | Professional & scientific | 2019 |
| Rebuild Fitness & Wellness Ltd | Arts & recreation | 2025 |
| Rebuildpropertysolutions Ltd | Construction | 2025 |
| Recall Haulage Ltd | Transport & logistics | 2024 |
| Recharge Adventures CIC | Administrative & support | 2025 |
| Recharge-Uk Ltd | Manufacturing | 2021 |
| Recon Advisory Partners Limited | Administrative & support | 2020 |
| Recorner Ltd | Wholesale & retail | 2026 |
| Recover ANY Car Ltd | Wholesale & retail | 2019 |
| Recovery Management Services Limited | Administrative & support | 1994 |
| Recovery Revolution C.I.C. | Arts & recreation | 2026 |
| Recruit Central Ltd | Administrative & support | 2018 |
| Recruitment HQ Limited | Administrative & support | 2022 |
| Rectify Building Solutions Limited | Construction | 2016 |
| Recycle My Car Ltd | Water & waste | 2022 |
| Red Anorak Ltd | Information & communication | 2013 |
| Red Bear Jewellery Ltd | Manufacturing | 2013 |
| Red Berry Radio Ltd | Information & communication | 2024 |
| Red Cape Solutions Ltd | Wholesale & retail | 2016 |
| Red Dress Limited | Wholesale & retail | 2021 |
| Red Fred Marketing Limited | Professional & scientific | 2010 |
| Red LET Management Limited | Real estate | 2009 |
| Red Pill Limited | Wholesale & retail | 2021 |
| Red Unicorn Limited | Wholesale & retail | 2018 |
| Red Vinnie Limited | Wholesale & retail | 2016 |
| Redbak Ltd | Professional & scientific | 2012 |
| Redbrick Deli Ltd | Hospitality | 2024 |
| Redbrook Insights Ltd | Professional & scientific | 2023 |
| Redcliff Solutions Ltd | Professional & scientific | 2022 |
| Redefine With Rebecca Aesthetics Ltd | Other services | 2021 |
| Redfearn and Beaumont 2 Limited | Manufacturing | 2026 |
| Redfearn and Beaumont Limited | Financial services | 2022 |
| Redhill Business Solutions Limited | Information & communication | 2014 |
| Redlands Property Consultancy Limited | Professional & scientific | 2014 |
| Redmond Heating Limited | Extraterritorial | 2011 |
| Redress Boutique Limited | Wholesale & retail | 2020 |
| Redress IQ Limited | Information & communication | 2026 |
| Redstone Ridge Ltd | Real estate | 2026 |
| Redwing Law Limited | Professional & scientific | 2021 |
| Reed Street Fisheries Ltd | Wholesale & retail | 2018 |
| Reed Street Investments Ltd | Real estate | 2025 |
| Reedmonte Limited | Hospitality | 1994 |
| Reel Communications Ltd | Professional & scientific | 2022 |
| REF Ltd | Construction | 2021 |
| REF Property Ltd | Real estate | 2024 |
| Reflections Upvc Windows & Hardware Ltd | Construction | 2020 |
| Refora Ltd | Arts & recreation | 2025 |
| Reform Fashion Limited | Wholesale & retail | 2022 |
| Reform Gym Ltd | Arts & recreation | 2019 |
| Regeneration Leisure Ltd | Hospitality | 2024 |
| Regent (Huddersfield) Limited | Real estate | 1944 |
| Regent House Ltd | Construction | 2026 |
| Regent House Management Company Limited | Households | 2004 |
| Reggington Investments Ltd | Real estate | 2021 |
| Reginald Hunt Holdings Limited | Administrative & support | 2007 |
| Regional Safety Management Limited | Professional & scientific | 2015 |
| Regulation Compliance Services Limited | Professional & scientific | 2015 |