| R&B Contracting Ltd | Construction | 2026 |
| R&H 12 Ltd | Hospitality | 2026 |
| R&J Mechanical Services Ltd | Manufacturing | 2020 |
| R&R Limited | Information & communication | 2015 |
| R.G. Contracts Ltd | Construction | 2015 |
| R.J.D. Engineering Limited | Construction | 2002 |
| R.M.Grant Roofing Limited | Construction | 2023 |
| RA Property Developments Limited | Real estate | 2003 |
| Race Rewards Ltd | Professional & scientific | 2025 |
| Rachel Harper Legal Ltd | Professional & scientific | 2026 |
| RAD & Daughters Haulage Ltd | Transport & logistics | 2018 |
| Radiant Heating and Plumbing Services Ltd | Construction | 2017 |
| RAF and Sons Ltd | Wholesale & retail | 2016 |
| RAF- BUD Limited | Construction | 2023 |
| Rafi Drive Ltd | Transport & logistics | 2016 |
| RAHMAN03 Limited | Transport & logistics | 2026 |
| Rainbow Fish Bar Pizza & Kebab House Ltd | Hospitality | 2020 |
| Raios Energy Ltd | Extraterritorial | 2024 |
| Raiyat Capital Ltd | Health & social care | 2021 |
| Rajbinder Constructions Ltd | Construction | 2020 |
| Rajtech Limited | Information & communication | 2015 |
| Rajvir Kaur Limited | Hospitality | 2024 |
| Rakanaka Limited | Hospitality | 2024 |
| Rakhum Supported Living CIC | Professional & scientific | 2025 |
| Rambo Drinks Stop Ltd | Wholesale & retail | 2022 |
| Ramsby Merch Ltd | Wholesale & retail | 2025 |
| Randhawa Solutions Ltd | Transport & logistics | 2023 |
| Rapid Evictions West Midlands Limited | Real estate | 2024 |
| Rasha Cars & Services Ltd | Wholesale & retail | 2019 |
| Rashid Used Cars Ltd | Wholesale & retail | 2017 |
| Raunak Sweet Centre Ltd | Manufacturing | 2024 |
| Ravenna Ltd | Extraterritorial | 2022 |
| Ravenwoolf Ltd | Transport & logistics | 2024 |
| Ravi Sohal Ltd | Construction | 2020 |
| Raxx Music World Limited | Information & communication | 2024 |
| RBF Trading Limited | Wholesale & retail | 2020 |
| RCF Bolt & NUT Co (Tipton) Limited | Manufacturing | 1976 |
| RCH Curry House Ltd | Hospitality | 2025 |
| Reach for a Star C.I.C. | Professional & scientific | 2019 |
| Reactive Maintenance Solutions Ltd | Construction | 2024 |
| Realty Property Investments Limited | Real estate | 2024 |
| Rebel 20 Ltd | Transport & logistics | 2020 |
| Red Lion Rose Farm Ltd | Hospitality | 2026 |
| Red Rose Payroll (WM) Limited | Administrative & support | 2020 |
| Red Tech Ltd | Information & communication | 2023 |
| Redburgeruk Ltd | Hospitality | 2025 |
| Redzofficial Production Ltd | Information & communication | 2024 |
| Reelcraft Ltd | Hospitality | 2023 |
| Reenav Ltd | Transport & logistics | 2021 |
| Reformer Vans Ltd | Wholesale & retail | 2021 |
| Rehalign Limited | Health & social care | 2025 |
| Reiki INT RO Ltd | Health & social care | 2025 |
| Reivix Ltd | Water & waste | 2023 |
| Rekan Auto Service Ltd | Wholesale & retail | 2025 |
| Relentless MMA Ltd | Arts & recreation | 2026 |
| Relentless Ventures Ltd | Real estate | 2024 |
| Reliance Plates Ltd | Wholesale & retail | 2024 |
| Render Care Systems Ltd | Construction | 2012 |
| Renzo's Desserts Limited | Administrative & support | 2016 |
| Repairmods Ltd | Other services | 2025 |
| Resolve My IT Ltd | Information & communication | 2025 |
| Revolve Clothing Limited | Wholesale & retail | 2011 |
| Rexpress Couriers Limited | Transport & logistics | 2016 |
| RF Capital Ltd | Financial services | 2016 |
| RGD Scaffolding Ltd | Construction | 2023 |
| RH Cleaning (Commercial) Limited | Administrative & support | 2022 |
| RH Cleaning Limited | Administrative & support | 2021 |
| RHC Consultancy Services Limited | Information & communication | 2024 |
| RHM Projects Ltd | Construction | 2025 |
| Riann Care Staffing Solutions Ltd | Administrative & support | 2026 |
| Riar Logistics Ltd | Transport & logistics | 2024 |
| Ricardo Rail International Ltd | Professional & scientific | 2020 |
| Richard's Property Rental Limited | Real estate | 2021 |
| Richards Customer Care Limited | Administrative & support | 1974 |
| Ridenorm Ltd | Transport & logistics | 2024 |
| Right Choice Roofing and Building Ltd | Construction | 2026 |
| Right Parking Limited | Other services | 2019 |
| Right Shutter & Shopfront Ltd | Manufacturing | 2020 |
| Righton & Blackburns Limited | Wholesale & retail | 1916 |
| Righton Blackburns Limited | Wholesale & retail | 2020 |
| Righton Limited | Wholesale & retail | 2018 |
| Ripped Fitness Gym (UK) Ltd | Arts & recreation | 2023 |
| Rising Publishers Limited | Information & communication | 2024 |
| Rita’S Care Services Limited | Health & social care | 2025 |
| Rivari Studio Ltd | Information & communication | 2024 |
| Rivets Maker Ltd | Manufacturing | 2005 |
| RJ Carss Ltd | Wholesale & retail | 2025 |
| RJ Prestige Lettings Ltd | Real estate | 2026 |
| RJA Estates Ltd | Real estate | 2024 |
| Rjassal Property Management Limited | Real estate | 2023 |
| Rjbjones Ltd | Real estate | 2025 |
| Rjde Ltd | Manufacturing | 2019 |
| RJF Consulting Ltd | Professional & scientific | 2023 |
| RJT Scaffolding Ltd | Construction | 2026 |
| RK3D Services Ltd | Information & communication | 2025 |
| RKB Books Services Ltd | Professional & scientific | 2026 |
| RKJ Automatic Driving School Ltd | Education | 2024 |
| RKT Investment Properties Ltd | Real estate | 2024 |
| RLM Scaffolding Limited | Construction | 2021 |
| RMB and SON Ltd | Wholesale & retail | 2024 |