| R3P Investments Limited | Real estate | 2019 |
| R3P IT Consulting Limited | Information & communication | 2011 |
| R45 Red Limited | Wholesale & retail | 2021 |
| Raani Kashyap Ltd | Construction | 2025 |
| Raaoo Ltd | Arts & recreation | 2026 |
| Rabayt Accommodation Ltd | Hospitality | 2026 |
| Rabz Properties Ltd | Real estate | 2015 |
| Rabzeyez Limited | Information & communication | 2016 |
| RAC Bidco Limited | Financial services | 2014 |
| RAC Bond Co PLC | Financial services | 2016 |
| RAC Brand Enterprises LLP | | 2012 |
| RAC Cars Limited | Other services | 2013 |
| RAC Financial Services Limited | Administrative & support | 2004 |
| RAC Group (Holdings) Limited | Financial services | 2014 |
| RAC Group Limited | Professional & scientific | 1928 |
| RAC Insurance Limited | Financial services | 1989 |
| RAC Limited | Financial services | 2011 |
| RAC Midco II Limited | Financial services | 2014 |
| RAC Midco Limited | Financial services | 2014 |
| RAC Motoring Services | Other services | 1979 |
| RAC Motoring Services (Holdings) Limited | Professional & scientific | 2012 |
| Race Junky Performance Ltd | Wholesale & retail | 2020 |
| Rachamim Healthcare Limited | Health & social care | 2025 |
| Racing OWL Motorsport Ltd | Wholesale & retail | 2024 |
| Rack Real Estate Limited | Real estate | 2023 |
| Radbourne Networks Limited | Information & communication | 2016 |
| Radhe Krishna Eco Friendly Cleaning Services Ltd | Administrative & support | 2022 |
| RADIANCE4U Limited | Other services | 2024 |
| RADIANCE4YOU Ltd | Other services | 2026 |
| Radioworld Ltd | Wholesale & retail | 2003 |
| Radkar Ltd | Wholesale & retail | 2023 |
| Radol Limited | Transport & logistics | 2015 |
| Raduta Ltd | Transport & logistics | 2019 |
| Raees Properties Ltd | Real estate | 2025 |
| Rafbo Konsult Limited | Information & communication | 2024 |
| Raffaele Spondon Ltd | Hospitality | 2025 |
| Rafnash Limited | Administrative & support | 2020 |
| Raghib Properties Ltd | Real estate | 2019 |
| Ragp Property Management Limited | Real estate | 2024 |
| Rahal Construction Limited | Construction | 2025 |
| Rahman Brothers Wholesale Ltd | Wholesale & retail | 2025 |
| Rahman Spice Ltd | Hospitality | 2025 |
| Rahmantech Solutions Ltd | Information & communication | 2025 |
| Rahul Bhattacharyya Knee Ltd | Administrative & support | 2023 |
| Rahul Logistics Ltd | Wholesale & retail | 2016 |
| RAI Haulier Ltd | Transport & logistics | 2014 |
| RAI Maintenance Limited | Construction | 2013 |
| RAI Realty Ltd | Real estate | 2024 |
| Railea Limited | Education | 2026 |
| Rainbow Banqueting Ltd | Hospitality | 2013 |
| Rainbow Vibe Ltd | Hospitality | 2026 |
| Raise the Bar Productions Limited | Arts & recreation | 2018 |
| RAJ Associates Limited | Wholesale & retail | 2004 |
| RAJ Kart Ltd | Wholesale & retail | 2025 |
| RAJ Optical Limited | Health & social care | 2004 |
| Raja Care Homes Limited | Health & social care | 2003 |
| Rajsb Ltd | Wholesale & retail | 2022 |
| Rajwinder Kaur Limited | Transport & logistics | 2020 |
| Rakkar Enterprise Limited | Real estate | 2022 |
| Raleigh Apartments Limited | Real estate | 2002 |
| Ralph RAY Property Ltd | Real estate | 2023 |
| Ralphon Services Ltd | Health & social care | 2022 |
| Ralton Property Limited | Real estate | 2012 |
| RAM Express Hydraulics and Engineering Ltd | Professional & scientific | 2015 |
| RAM Taverns Ltd | Hospitality | 2019 |
| Rama Logistics Ltd | Transport & logistics | 2017 |
| Rameela Ltd | Other services | 2017 |
| Ramrat Properties Ltd | Real estate | 2025 |
| Ramzes PL Ltd | Wholesale & retail | 2024 |
| Rana and Co Accountants (Walsall) Ltd | Professional & scientific | 2015 |
| Ranabrothers Limited | Wholesale & retail | 2026 |
| Randeep Autos Ltd | Wholesale & retail | 2016 |
| Rane Basaira Ltd | Hospitality | 2024 |
| Ranford's Properties Limited | Real estate | 2024 |
| Rangedale Ltd | Professional & scientific | 2022 |
| Rangi Investments Limited | Real estate | 2019 |
| Rani Investments Limited | Real estate | 2001 |
| Rani Islam Housing Ltd | Hospitality | 2025 |
| Rani K Properties Ltd | Construction | 2016 |
| Ranitrans Ltd | Transport & logistics | 2019 |
| Ranr Investments Limited | Financial services | 2024 |
| Rapha Physiotherapy Ltd | Other services | 2020 |
| Rapid Autobody Solutions Ltd | Wholesale & retail | 2017 |
| Rapid Care & Support Services Ltd | Administrative & support | 2026 |
| Rapid CNC Limited | Manufacturing | 2008 |
| Rapid Frame Limited | Manufacturing | 1998 |
| Rapid Response Cast Products Limited | Wholesale & retail | 2007 |
| Rapid Response Plumbing Limited | Construction | 2017 |
| Rapid Staffing Limited | Administrative & support | 2020 |
| Rapid Vehicle Security Ltd | Wholesale & retail | 2026 |
| Rapidelectrician Ltd | Construction | 2022 |
| Rapidframe Holdings Limited | Financial services | 2009 |
| Rapidreach Logistics Ltd | Transport & logistics | 2025 |
| Rapo Energy Ltd | Construction | 2019 |
| Raptrapce Ltd | Wholesale & retail | 2024 |
| Rapwir Ltd | Transport & logistics | 2024 |
| Rara Transport Ltd | Transport & logistics | 2024 |
| Rarzer Ltd | Transport & logistics | 2024 |
| Rasel Ltd | Hospitality | 2025 |
| Rasty 2003 Ltd | Construction | 2025 |