| Prostop Pest Control Ltd | Administrative & support | 2026 |
| Protech GAS Services Ltd | Construction | 2014 |
| Pte-Solutions Ltd | Information & communication | 2021 |
| PTH Plumbing & Heating Limited | Construction | 2016 |
| PTP (Kent) Limited | Construction | 2016 |
| Purcroft Tower Limited | Professional & scientific | 2015 |
| Pure Music Manufacturing Limited | Information & communication | 1994 |
| Purple PUG Limited | Manufacturing | 2018 |
| PWI Group UK Limited | Wholesale & retail | 2014 |
| QLG PVT Ltd | Wholesale & retail | 2026 |
| Quadwall Ltd | Manufacturing | 1996 |
| Quality Hospitality Ltd | Hospitality | 2022 |
| Quick Frame Ltd | Construction | 2020 |
| Quickpick Convenience Store Ltd | Wholesale & retail | 2025 |
| Quicktofix Limited | Construction | 2024 |
| Qutabshahi Traders Ltd | Wholesale & retail | 2026 |
| R & R Scaffolding Solutions Ltd | Construction | 2017 |
| R Aldred Ltd | Information & communication | 2016 |
| R and R Utility Solutions Ltd | Construction | 2017 |
| R Hardy Ltd | Real estate | 2025 |
| R J H Property Developments Ltd | Construction | 2020 |
| R&R Vehicle & Plant Hire Limited | Construction | 2018 |
| R-Design Camperz Ltd | Manufacturing | 2025 |
| R-Gen Solutions Ltd | Construction | 2025 |
| RA Retail Group Ltd | Wholesale & retail | 2023 |
| Rabadia Convenience Store Ltd | Wholesale & retail | 2017 |
| Rachelthesingingchef Limited | Hospitality | 2023 |
| Radial Line Sheetmetal Limited | Manufacturing | 2009 |
| Radley Growth Ltd | Professional & scientific | 2021 |
| Radtransd Limited | Transport & logistics | 2017 |
| Railway Road Mini Market Ltd | Wholesale & retail | 2025 |
| Rainy City Agency Ltd | Professional & scientific | 2013 |
| Rainy City Consulting Ltd | Professional & scientific | 2020 |
| Ramar Spedition Ltd | Transport & logistics | 2017 |
| Ramsbottom Holdings Limited | Financial services | 2024 |
| Ramsbottom Trading Limited | Financial services | 2025 |
| Ramsden Group Holdings Ltd | Financial services | 2026 |
| Rapid Colour Services Holdings Limited | Financial services | 2023 |
| Rapid Colour Services Limited | Manufacturing | 1989 |
| Raynor Projects Ltd | Construction | 2024 |
| Raza Gujjar Properties Ltd | Real estate | 2025 |
| Razorplus Technologies Ltd | Information & communication | 2014 |
| RCA Trading Ltd | Wholesale & retail | 2016 |
| Rcoms Logistics Ltd | Transport & logistics | 2011 |
| RDI Ltd | Professional & scientific | 2024 |
| Re-Vite Healthcare Solutions Limited | Administrative & support | 2020 |
| Re-Vite Solutions Limited | Administrative & support | 2024 |
| Reach Healthcare Staffing Limited | Health & social care | 2019 |
| Red and Black Boxing C.I.C. | Arts & recreation | 2026 |
| Red Pill Day Limited | Administrative & support | 2023 |
| Red Rock Lettings Ltd | Real estate | 2012 |
| Redmere Leisure Limited | Hospitality | 2012 |
| Redwood Homes Northwest Limited | Construction | 2007 |
| Reel Competitions Ltd | Arts & recreation | 2026 |
| Refuel Forecourts Ltd | Wholesale & retail | 2018 |
| Regal Facilities Ltd | Administrative & support | 2026 |
| Regency Glass (Holdings) Limited | Financial services | 2016 |
| Regency Wharf Management Limited | Households | 1998 |
| Regin Accounts Ltd | Professional & scientific | 2020 |
| Registrationmarks.Co.Uk Limited | Other services | 2005 |
| Remi Haulage Ltd. | Transport & logistics | 2014 |
| Remview Management Limited | Real estate | 2010 |
| Remvox Limited | Manufacturing | 2012 |
| Reno Building Ltd | Professional & scientific | 2024 |
| Resin Xpress Ltd | Wholesale & retail | 2022 |
| Resource Protection Services Ltd | Professional & scientific | 2020 |
| Reva App Limited | Information & communication | 2019 |
| Reva Investments Limited | Financial services | 2021 |
| Revive Carpet and Floor Cleaning Limited | Administrative & support | 2024 |
| Revive Clean Limited | Administrative & support | 2022 |
| Revive Transformations Ltd | Arts & recreation | 2025 |
| Rezimax Properties Ltd | Construction | 2025 |
| Richard Thomas Services Ltd | Construction | 2024 |
| Riedpropertyholdings Ltd | Real estate | 2022 |
| Rigair Systems Limited | Manufacturing | 2025 |
| Right Food Ltd | Hospitality | 2020 |
| Rightpoint Pointing Services Limited | Construction | 2025 |
| RJW Properties Ltd | Real estate | 2018 |
| RLA Property Investment Limited | Real estate | 2024 |
| RMH Hospitality Consulting Limited | Professional & scientific | 2019 |
| RMH Project Management Limited | Administrative & support | 2010 |
| RN Lettings Ltd | Real estate | 2026 |
| RNF Engineering Services Limited | Professional & scientific | 2026 |
| Robert William Transport Limited | Transport & logistics | 2019 |
| Rocaroad Ltd | Construction | 2017 |
| Rockport Technical Limited | Professional & scientific | 2008 |
| Rocsolid Services Limited | Information & communication | 2017 |
| Rodan Engineering Company Limited | Professional & scientific | 1977 |
| Romey Music Ltd | Arts & recreation | 2025 |
| Romix Foods Limited | Manufacturing | 2013 |
| Rootique Limited | Wholesale & retail | 2025 |
| Rosel Scent Limited | Health & social care | 2025 |
| Rowland Bespoke Plastering Ltd | Construction | 2011 |
| Rozman Park Limited | Real estate | 2024 |
| RR Kebabs Ltd | Hospitality | 2025 |
| RS Cleaning Contractors Ltd | Administrative & support | 2025 |
| RST Testing Limited | Construction | 2013 |
| Rtconsult Limited | Professional & scientific | 2025 |
| Rudie Holdings Limited | Real estate | 2025 |
| Rudoplh Limited | Wholesale & retail | 2025 |