| Railwayrent LP | | 2015 |
| Railways Logistics LP | | 2013 |
| Raimes Clark Trust Limited | Financial services | 2006 |
| Raimes, Clark & Company, Limited | Professional & scientific | 1908 |
| Rain Allstars Cheer Ltd | Arts & recreation | 2025 |
| Rainbo-Connect Ltd | Information & communication | 2018 |
| Rainbow Corporation L.P. | | 2011 |
| Rainbow International Online Ltd | Wholesale & retail | 2024 |
| Rainbow Management L.P. | | 2011 |
| Rainbow Pumpkin Limited | Wholesale & retail | 2021 |
| Rainbow Technical Services L.P. | | 2012 |
| Raindeer River LP | | 2004 |
| Raindrop Consulting Ltd | Information & communication | 2018 |
| Raineach Limited | Professional & scientific | 2025 |
| Raines Construction Limited | Construction | 2025 |
| Rainfall Investments LP | | 2015 |
| Rainfall Services SP | | 2004 |
| Rainfort LP | | 2012 |
| Rainhill Trade LP | | 2012 |
| Rainport Import L.P. | | 2010 |
| Rainsoft Universal L.P. | | 2012 |
| Rainstream Ltd | Transport & logistics | 2019 |
| Rainwalk LP | | 2016 |
| Raised Land Limited | Real estate | 2016 |
| Raising the Vibes Limited | Other services | 2022 |
| RAJ SRI Limited | Wholesale & retail | 2019 |
| Raja Health Limited | Health & social care | 2021 |
| Raja Rana Limited | Real estate | 2023 |
| Raja Sahib Property Ltd | Real estate | 2025 |
| Rajachan Ltd | Wholesale & retail | 2026 |
| Rajah's Supermarket Limited | Wholesale & retail | 2024 |
| Rajajee Ltd | Hospitality | 2016 |
| Rajas Sweet Centre Ltd | Wholesale & retail | 2026 |
| Rajen Bicycle Service L.P. | | 2015 |
| Rakau Construction Ltd | Construction | 2021 |
| Rakesville Capital LP | | 2014 |
| Rakhe Allah Mare KE Ltd | Hospitality | 2019 |
| Raks Properties Ltd | Real estate | 2024 |
| Raktak LP | | 2003 |
| RAL Investment Management Ltd | Extraterritorial | 2012 |
| Ralbro Limited | Construction | 2007 |
| Ralian Limited | Real estate | 1993 |
| Raline Corporation LP | | 2016 |
| Rallia Alliance Holding LP | | 2019 |
| Rallim Craft Designs Ltd | Manufacturing | 2023 |
| Rally Networks Ltd | Information & communication | 2026 |
| Rally North Clothing Ltd | Wholesale & retail | 2025 |
| Ralph's Roofing & Renovations Limited | Construction | 2025 |
| Raltel Limited | Information & communication | 2011 |
| Ralter Limited | Hospitality | 2020 |
| Ralynai Ltd | Wholesale & retail | 2026 |
| RAM Management Ltd | Extraterritorial | 2012 |
| RAM Property Investing Limited | Real estate | 2019 |
| Rama Coffee Ltd | Wholesale & retail | 2024 |
| Ramage Business Solutions (2022) Ltd | Financial services | 2022 |
| Ramand Environmental Ltd | Professional & scientific | 2020 |
| Ramay Store Ltd | Wholesale & retail | 2021 |
| Rambos Convenience Store Ltd | Wholesale & retail | 2022 |
| Ramco Group L.P. | | 2009 |
| Ramdock Limited | Real estate | 2001 |
| Rameon Partners LP | | 2015 |
| Ramipri LP | | 2003 |
| Ramirez Ventures LP | | 2022 |
| Ramon Group LP | | 2016 |
| Ramon Ventures LP | | 2014 |
| Ramos Logistics LP | | 2013 |
| Ramp Logic Limited | Professional & scientific | 2026 |
| Ramsay & Swan Limited | Manufacturing | 2011 |
| Ramsay Asset Management Limited | Financial services | 2006 |
| Ramsay Built Limited | Construction | 2017 |
| Ramsay Cornish Auctioneers and Valuers Limited | Administrative & support | 2003 |
| Ramsay Law Ltd | Real estate | 2023 |
| Ramsay Mounthooly Ltd | Transport & logistics | 2023 |
| Ramseygold Export LP | | 2014 |
| Ramus Trade LP | | 2013 |
| Ramz Investments Ltd | Real estate | 2020 |
| Rana & Chohan Ltd | Education | 2025 |
| Rana Medical Limited | Health & social care | 2014 |
| Ranaz Limited | Wholesale & retail | 2012 |
| Ranch Capital LP | | 2013 |
| Rand Corporation LP | | 2014 |
| Rand Investing LP | | 2014 |
| Rander Invest LP | | 2015 |
| Rander Trading LP | | 2014 |
| Randolph Hill Limited | Health & social care | 1993 |
| Randolph Hill Nursing Homes (Scotland) Limited | Health & social care | 2005 |
| Randolph Hill Nursing Homes Group Limited | Health & social care | 1988 |
| Randolph Holdings Limited | Construction | 1991 |
| Randolph Navigation LP | | 2016 |
| Randolph Ventures LLP | | 2024 |
| Random Capital LP | | 2013 |
| Random Phrase Ltd | Information & communication | 2018 |
| Randotte (NO. 514) Limited | Professional & scientific | 2003 |
| Raneta LP | | 2014 |
| Range Sales LP | | 2015 |
| Rangeholm Commerce L.P. | | 2012 |
| Ranger Organisation L.P. | | 2012 |
| Ranger Wellbeing CIC | Health & social care | 2026 |
| Rangers Family Limited | Other services | 2016 |
| Rangeways LP | | 2017 |