| Prodec (Holdings) Limited | Professional & scientific | 1988 |
| Prodec Engineering Co. Limited | Manufacturing | 1981 |
| Prodec Precision Manufacturing Co. Limited | Manufacturing | 1982 |
| Production OPS Ltd | Arts & recreation | 2025 |
| Professional Building Contractors Ltd | Construction | 2021 |
| Professional Independent Wealth Advice Ltd | Financial services | 2022 |
| Profit Carpets Ltd | Wholesale & retail | 2026 |
| Project Everwild Community Interest Company | Administrative & support | 2025 |
| Project Will Ltd | Professional & scientific | 2025 |
| Pronto Pizzeria Limited | Hospitality | 2019 |
| Property Lettings (Worksop) Limited | Real estate | 2004 |
| Prosdeline Integrated Solutions Ltd | Real estate | 2025 |
| Prostar UK Limited | Manufacturing | 2004 |
| Proud to LET Limited | Real estate | 2020 |
| Prowens Limited | Professional & scientific | 1990 |
| Prudent Care Group Ltd | Health & social care | 2026 |
| PRW Property Ltd | Real estate | 2024 |
| Przemek LDN Limited | Transport & logistics | 2016 |
| PS ALI Limited | Health & social care | 2016 |
| PSD UK Holding Limited | Financial services | 2025 |
| PSM Vehicle Services Limited | Wholesale & retail | 2014 |
| PSP Solutions Ltd | Transport & logistics | 2019 |
| PTO Developments Limited | Extraterritorial | 2020 |
| PTO Holdings (Yorkshire) Limited | Extraterritorial | 2020 |
| PTP Developments (Yorkshire) Limited | Agriculture & fishing | 2020 |
| PTP Holdings (Yorkshire) Limited | Extraterritorial | 2020 |
| Puffy Investments Limited | Real estate | 2025 |
| Puna Properties Ltd | Real estate | 2023 |
| Qbant. Ltd | Transport & logistics | 2023 |
| QDL Car Hire Limited | Extraterritorial | 2014 |
| Qsabeauty&Aesthetics Ltd | Other services | 2026 |
| Quality City Service Ltd | Construction | 2023 |
| Quality Rail Limited | Construction | 2014 |
| Quantum Trade Solutions Limited | Financial services | 2025 |
| Quest Health & Safety Limited | Administrative & support | 2000 |
| Quest Taekwondo Lincoln Ltd | Arts & recreation | 2023 |
| Quest Wellbeing Ltd | Other services | 2022 |
| R&J Harmony Massage Ltd | Arts & recreation | 2026 |
| R. COX Haulage Limited | Transport & logistics | 1927 |
| R.D.C Holiday Homes Limited | Hospitality | 2020 |
| R.S.T. Electrical (Darfoulds) Limited | Manufacturing | 2011 |
| Racenationgfx Ltd | Manufacturing | 2025 |
| Racing Club International Ltd | Arts & recreation | 2022 |
| RAD Capital Investment Ltd | Financial services | 2025 |
| RAF Property Limited | Wholesale & retail | 2012 |
| Rahul Bagga Ltd | Construction | 2018 |
| Railway Sleepers Direct Ltd | Wholesale & retail | 2020 |
| Railway Work Ltd | Construction | 2013 |
| Raines AVE Butcher's Limited | Wholesale & retail | 2022 |
| Raistrick Plumbing & Heating Limited | Construction | 2020 |
| Randall Property Solutions Ltd | Real estate | 2020 |
| Ranskill House Clearance Ltd | Water & waste | 2025 |
| Rapid Communications Solutions Ltd | Information & communication | 2019 |
| Rapid Load Staffing Ltd | Administrative & support | 2026 |
| Rapid TAN N Tone 2 Ltd | Other services | 2010 |
| Rapid TAN N Tone Ltd. | Other services | 2009 |
| Rare Creative Group (Holdings) Limited | Professional & scientific | 2014 |
| Rare Station Ltd | Wholesale & retail | 2025 |
| Rave Petroleum Ltd | Wholesale & retail | 2025 |
| RAW Initiatives LLP | | 2012 |
| Raymoth Lane Estate Limited | Households | 1997 |
| RB Buildsync Ltd | Construction | 2026 |
| RBS Developments Ltd | Construction | 2022 |
| RCW Property Management Ltd | Real estate | 2026 |
| RD Garrow Associates Ltd | Professional & scientific | 2022 |
| RE Prime Ltd | Professional & scientific | 2024 |
| Read Automotive Grimsby Limited | Wholesale & retail | 2016 |
| Read Burton Limited | Wholesale & retail | 1971 |
| Read Derby Limited | Wholesale & retail | 1982 |
| Read Hyundai Boston Limited | Wholesale & retail | 2017 |
| Read Hyundai Doncaster Limited | Wholesale & retail | 2018 |
| Read Hyundai Kings Lynn Limited | Wholesale & retail | 2014 |
| Read Hyundai Limited | Wholesale & retail | 2005 |
| Read Hyundai Lincoln Limited | Wholesale & retail | 2011 |
| Read Hyundai Worksop Limited | Wholesale & retail | 2016 |
| Read Motor Group Limited | Financial services | 2009 |
| Read Used Car Sales Limited | Extraterritorial | 2021 |
| Real World Business Management Ltd | Professional & scientific | 2012 |
| Rebar Formwork Solutions Limited | Construction | 2017 |
| Rebecca Merrill Limited | Other services | 2016 |
| Rebecca's Dance Studios Limited | Arts & recreation | 2023 |
| Recruitwright Limited | Administrative & support | 2013 |
| Redeye Environmental Ltd | Administrative & support | 2026 |
| Redfern Coaches (Mansfield) Limited | Professional & scientific | 1999 |
| Refreshauto Ltd | Administrative & support | 2025 |
| Refrigerated Delivery Services Limited | Transport & logistics | 1995 |
| Regal Home Space Ltd | Construction | 2022 |
| Regancy Racing Limited | Arts & recreation | 2005 |
| Regency Chauffeur Group Ltd | Transport & logistics | 2026 |
| Reids Plastering and Dry-Lining Limited | Construction | 2023 |
| REN Property Renovations Limited | Construction | 2018 |
| REN Rentals Limited | Real estate | 2018 |
| Renew a Fuel Home Innovations Limited | Wholesale & retail | 2018 |
| Renteer Limited | Real estate | 2013 |
| Renu U Aesthetics Ltd | Other services | 2020 |
| REPLICAT3D Ltd | Administrative & support | 2013 |
| Repton Medical Limited | Wholesale & retail | 2003 |
| Reshanth Care Services Ltd | Health & social care | 2023 |
| Resin Guard Flooring Ltd | Construction | 2025 |
| Resolve Protocol Ltd | Health & social care | 2026 |