| Raik Investments Limited | Financial services | 2025 |
| Raiko Rasa Limited | Hospitality | 2022 |
| Railway Project Services Assets Ltd | Real estate | 2023 |
| Railway Project Services Consulting Ltd | Professional & scientific | 2017 |
| Railway Project Services Holdings Ltd | Financial services | 2024 |
| Rain FBA Ltd | Wholesale & retail | 2024 |
| Rainbow Care Cleaning Ltd | Administrative & support | 2024 |
| Rainbow Care Ltd | Health & social care | 2023 |
| Rainbow Construction (Midlands) Ltd | Construction | 2021 |
| Rainbow Graphic Trading Ltd | Manufacturing | 2019 |
| Rainbow Haven Childcare Services Limited | Education | 2022 |
| Rainbow Learning and Wellbeing Ltd | Education | 2026 |
| Rainbow Pizza Leicestershire Ltd | Hospitality | 2023 |
| Rainbow Rents Ltd | Real estate | 2026 |
| Rainbow ROW Limited | Real estate | 2025 |
| Rainbow Security Systems Limited | Administrative & support | 2006 |
| Rainbow Theatre Limited | Arts & recreation | 2001 |
| Rainbow Theatre Productions Limited | Arts & recreation | 1982 |
| Rainbow Trout Care Ltd | Health & social care | 2021 |
| Rainbowloops Ltd | Wholesale & retail | 2021 |
| Rainbows Bricks Limited | Real estate | 2018 |
| Rainford Essential Ltd | Wholesale & retail | 2015 |
| Rainforest Medical Writing & Design Ltd | Professional & scientific | 2025 |
| Rainton Expertise Ltd | Transport & logistics | 2015 |
| Rainydaysolution Ltd | Construction | 2019 |
| Rais Couriers Services Ltd | Transport & logistics | 2018 |
| Raisit(Uk) Ltd | Information & communication | 2021 |
| Raithatha Investment Ltd | Real estate | 2018 |
| Raithby Exceptional Ltd | Transport & logistics | 2015 |
| Raithby, Lawrence & Co Ltd. | Extraterritorial | 2009 |
| Raithwall Ltd | Administrative & support | 2025 |
| Raittani Health Ltd | Health & social care | 2016 |
| Raittani Limited | Real estate | 2019 |
| RAJ Accommadation Ltd | Hospitality | 2014 |
| RAJ Entertainment and Properties Ltd | Information & communication | 2014 |
| RAJ Fabrics (Leic) Ltd | Manufacturing | 2021 |
| RAJ Grimethorpe Store Ltd | Wholesale & retail | 2021 |
| RAJ Jewellers (Leicester) Ltd | Wholesale & retail | 2018 |
| RAJ Mahal Leicester Ltd | Hospitality | 2024 |
| RAJ Mahal Lest Ltd | Hospitality | 2026 |
| RAJ Motors (Leicester) Ltd | Wholesale & retail | 2016 |
| RAJ Palace Ltd | Real estate | 2026 |
| RAJ Patel Limited | Wholesale & retail | 2011 |
| RAJ Professional Locums Limited | Health & social care | 2012 |
| RAJ Supermarket Ltd | Wholesale & retail | 2024 |
| RAJ Transport Solutions Ltd | Transport & logistics | 2019 |
| RAJ TVS Limited | Professional & scientific | 2009 |
| Raja Accommodation Ltd | Real estate | 2025 |
| Raja Catering Limited | Hospitality | 2026 |
| Raja Pizza Bar (UK) Ltd | Hospitality | 2006 |
| Raja Reman Private Ltd | Wholesale & retail | 2025 |
| Raja Urology Ltd | Health & social care | 2025 |
| Rajapack Leicester Limited | Administrative & support | 2026 |
| Rajcie Ltd | Real estate | 2022 |
| Rajdhani UK Limited | Wholesale & retail | 2025 |
| Rajesh Pandey Limited | Professional & scientific | 2013 |
| Raji Construction Limited | Construction | 2019 |
| Rajiv Estates Limited | Real estate | 2020 |
| Rajivco Ltd | Financial services | 2026 |
| Rajnbhav Exports Limited | Transport & logistics | 2012 |
| Rajpra Jewellers Ltd | Wholesale & retail | 2022 |
| Rajput Group Holdings Limited | Financial services | 2025 |
| Rajput Property Investments Ltd | Real estate | 2020 |
| Rajrai.Co Ltd | Information & communication | 2022 |
| Rajvadi Silk & Sarees Limited | Wholesale & retail | 2018 |
| Rajvee Purohit Consulting Limited | Professional & scientific | 2021 |
| Rajwadi Ltd | Hospitality | 2025 |
| RAK Estates Limited | Real estate | 2017 |
| Raka Services Limited | Hospitality | 2025 |
| Rakbest Limited | Real estate | 1988 |
| Rakhee Limited | Wholesale & retail | 2025 |
| Rakkajani Investments Limited | Real estate | 2017 |
| Rakn Ltd | Wholesale & retail | 2023 |
| Rakro Holdings Limited | Professional & scientific | 2024 |
| Raksha Optical Limited | Health & social care | 2002 |
| Rakshit Enterprises Ltd | Information & communication | 2016 |
| Raleigh Hall Properties Limited | Real estate | 1983 |
| Rally Constructions UK Ltd | Construction | 2026 |
| Rally Property Investments Ltd | Real estate | 2026 |
| Ralph Mitchell Ltd | Financial services | 2018 |
| Ralphstone Group Limited | Administrative & support | 2024 |
| Raluca Alessia Limited | Transport & logistics | 2018 |
| RAM (Leicester) Limited | Real estate | 2003 |
| RAM and Ramm Ltd | Health & social care | 2012 |
| RAM Care Staffing Ltd | Administrative & support | 2025 |
| RAM Catering Equipment Engineers Ltd | Other services | 2013 |
| RAM Infosystems Ltd. | Information & communication | 2015 |
| RAM RP Ltd | Information & communication | 2026 |
| RAM Suppliers Limited | Wholesale & retail | 2025 |
| RAM Universal Limited | Wholesale & retail | 1982 |
| RAM.G249 Ltd | Financial services | 2026 |
| Rama Capital Limited | Real estate | 2024 |
| Rama Services Ltd | Administrative & support | 2023 |
| Ramab Enterprises Ltd | Wholesale & retail | 2023 |
| Ramaiya Limited | Information & communication | 2010 |
| Raman Interior Limited | Manufacturing | 2023 |
| Ramban Retail Ltd | Wholesale & retail | 2021 |
| Rambo-Rock Haulage Ltd | Transport & logistics | 2025 |
| Ramdev Leicester Ltd | Wholesale & retail | 2025 |
| Ramdoo Holdings Limited | Financial services | 2025 |