| Raksha Ltd | Financial services | 2024 |
| Raksha Mortgages and Protection Ltd | Financial services | 2025 |
| Rakshaa Ltd | Real estate | 2025 |
| Rakshita Homes Limited | Real estate | 2025 |
| Ralex Sports Limited | Wholesale & retail | 2015 |
| Ralielectrical Ltd | Construction | 2018 |
| Rally Aspects Ltd | Wholesale & retail | 2019 |
| Rally Leisure Group Ltd | Wholesale & retail | 2026 |
| Rally Property Ltd | Real estate | 2026 |
| Ralph Granger Holdings Ltd | Health & social care | 2025 |
| RAM Aviation Ltd | Information & communication | 2024 |
| RAM Maids Ltd | Administrative & support | 2025 |
| Ram&Mahi UK Limited | Wholesale & retail | 2022 |
| RAM. Projects Derby CIC | Arts & recreation | 2023 |
| Ramac Engineering Ltd | Professional & scientific | 2024 |
| Ramewal Limited | Real estate | 2026 |
| Ramick Properties Limited | Real estate | 2023 |
| Rammasrigging Limited | Information & communication | 2019 |
| Ramolas Limited | Hospitality | 2025 |
| Rampart Engineering Limited | Manufacturing | 2013 |
| Rampere Ltd | Information & communication | 2019 |
| Rams Barber Ltd | Other services | 2022 |
| Rams Properties Limited | Construction | 2004 |
| Ramsark Ltd | Transport & logistics | 2022 |
| Ramsay & Co Real Estate Limited | Real estate | 2026 |
| Ramsdens 1884 Limited | Professional & scientific | 2022 |
| Ramshorn Limited | Manufacturing | 1999 |
| Ramthesia Ltd | Health & social care | 2023 |
| Rana & Co Accountants Limited | Professional & scientific | 2008 |
| Rana Partners Ltd | Financial services | 2021 |
| Rana Traders 1 Ltd | Wholesale & retail | 2022 |
| Ranat Gunby Property LLP | | 2021 |
| Ranch House Capital Ltd | Financial services | 2015 |
| Randalls Fabrications Limited | Manufacturing | 1977 |
| Randhawa Corporation Limited | Real estate | 2025 |
| Ranger Properties Limited | Real estate | 2025 |
| Ranya Best Car Wash Limited | Wholesale & retail | 2025 |
| Ranya Cutz Limited | Other services | 2025 |
| Ranya Shawarma 1 Ltd | Hospitality | 2026 |
| Ranya Shawarma Limited | Hospitality | 2024 |
| Ranya Tyres Limited | Manufacturing | 2026 |
| Ranya VIP Barbers Derby Ltd | Other services | 2025 |
| RAO Agencies Ltd | Wholesale & retail | 2025 |
| RAO Associates Limited | Health & social care | 2016 |
| RAO Tech Ltd | Wholesale & retail | 2021 |
| Raphael Associates Limited | Professional & scientific | 2019 |
| Rapid Home Improvements Eastmids Ltd | Construction | 2018 |
| Rapid Medical Solutions Limited | Wholesale & retail | 2014 |
| Rapid Rigids Ltd | Transport & logistics | 2018 |
| Rapid Scaffolding Limited | Construction | 2009 |
| Rapid Seal Limited | Construction | 2025 |
| Rapid Spray Ltd | Construction | 2026 |
| Rapide Business Transformation Limited | Professional & scientific | 2009 |
| Rapidel Logistics Limited | Transport & logistics | 2015 |
| Rapido Print Limited | Manufacturing | 2026 |
| Rapport Security Services Limited | Administrative & support | 2020 |
| Raptou Limited | Administrative & support | 2021 |
| Raptrr Ltd | Information & communication | 2023 |
| Rapture Tattoo Company Ltd | Other services | 2024 |
| Rarepokevault Ltd | Wholesale & retail | 2025 |
| Rarity Ltd | Manufacturing | 2024 |
| RASAB786 Ltd | Wholesale & retail | 2025 |
| Rashid Halal Meat Ltd | Wholesale & retail | 2012 |
| Rashmi Properties Ltd | Real estate | 2022 |
| Rasitams Global Ltd | Hospitality | 2025 |
| Rasoi Catering Ltd | Hospitality | 2025 |
| Rasoi HUT Ltd | Hospitality | 2019 |
| Rat-Pol Ltd | Transport & logistics | 2020 |
| Rathi M Ltd | Transport & logistics | 2023 |
| Rathour Clothes Ltd | Transport & logistics | 2025 |
| Rattle & Drum Music Ltd | Wholesale & retail | 2023 |
| Rave M Sport Ltd | Manufacturing | 2023 |
| Raven Engineering Services Limited | Construction | 2010 |
| Raven Ride Ltd | Real estate | 2019 |
| Raven VOX Ltd | Real estate | 2018 |
| Ravensight Consulting Ltd | Professional & scientific | 2026 |
| Ravensworth Care Home Limited | Health & social care | 2003 |
| Ravian ARK Ltd | Wholesale & retail | 2022 |
| Ravikis Services Limited | Administrative & support | 2022 |
| RAW Plastering & Drylining Ltd | Construction | 2022 |
| Rawal Consulting Limited | Information & communication | 2018 |
| Rawal Properties Limited | Real estate | 2025 |
| Rawat Real Estate Solutions Ltd | Real estate | 2025 |
| Rawr Designs Ltd | Wholesale & retail | 2023 |
| Raya Consulting Services Ltd | Professional & scientific | 2026 |
| Rayal Trophies Limited | Wholesale & retail | 2015 |
| Raybould Asset Management Ltd | Financial services | 2023 |
| Rayburn Tours (Holdings) Limited | Administrative & support | 2006 |
| Rayburn Tours Limited | Administrative & support | 1984 |
| Rayburn Tours Transport Services Limited | Administrative & support | 1996 |
| Rayburn Travel Group Limited | Financial services | 2016 |
| Raydesa Holdings Ltd | Financial services | 2021 |
| Raydesa Sports Ltd | Wholesale & retail | 2021 |
| Rayham Global Ltd | Wholesale & retail | 2026 |
| Raymond Lewis Ltd | Professional & scientific | 2018 |
| Raynesway Blinds Ltd | Wholesale & retail | 2023 |
| Raynesway Service Centre Limited | Wholesale & retail | 2005 |
| Rayworth Engineering Services Ltd | Professional & scientific | 2023 |
| RAZ Limited | Wholesale & retail | 2024 |
| Razaq Sharif Limited | Health & social care | 2004 |