| Rhythm UN Ltd | Information & communication | 2025 |
| RI Consulting Ventures Ltd | Professional & scientific | 2025 |
| RI Estates (Nottingham) Ltd | Real estate | 2021 |
| RI Khan Enterprises Ltd | Other services | 2015 |
| RI Medicals Limited | Health & social care | 2014 |
| RI Property Holdings Ltd | Real estate | 2019 |
| RIA Care and Cleaning Ltd | Administrative & support | 2018 |
| RIA Media Group Ltd | Professional & scientific | 2025 |
| Riabridge Global Group Limited | Wholesale & retail | 2025 |
| Rialto Bridge Ltd | Real estate | 2004 |
| Rias Brands Limited | Manufacturing | 2020 |
| Riaz & Sons Housing Ltd | Real estate | 2018 |
| Riaz & Sons Ltd | Information & communication | 2015 |
| Ribbcomm Solutions Ltd | Professional & scientific | 2023 |
| Ribblesdale Road 1964 Limited | Extraterritorial | 2014 |
| Ribbon World Limited | Professional & scientific | 2015 |
| Ribocell Ltd | Professional & scientific | 2020 |
| RIC Evans Electrical Ltd | Construction | 2013 |
| Rica Hair Care UK Ltd | Transport & logistics | 2018 |
| Riccardos Services Ltd | Administrative & support | 2021 |
| Riccio Interiors Limited | Wholesale & retail | 2021 |
| Rice Design Limited | Professional & scientific | 2005 |
| Rice of Kashmir Ltd | Manufacturing | 2024 |
| Rich Hall Construction Ltd | Construction | 2010 |
| Rich Naylor Autocentre Limited | Wholesale & retail | 2026 |
| Richa Creative Limited | Education | 2020 |
| Richard G Bradley Limited | Financial services | 2022 |
| Richard Anane UK Ltd | Construction | 2025 |
| Richard Appleyard Engineering Parts Limited | Wholesale & retail | 2003 |
| Richard Brooker Ltd | Arts & recreation | 2008 |
| Richard Chaplin Electrical Ltd | Construction | 2024 |
| Richard Chapman Consulting Ltd | Professional & scientific | 2021 |
| Richard Crowden Limited | Construction | 2015 |
| Richard Cruise Ltd | Real estate | 2014 |
| Richard Cutts Building Services Limited | Construction | 2004 |
| Richard Fentum Property Services Ltd | Real estate | 2018 |
| Richard Joseph, Publishers Limited | Information & communication | 1989 |
| Richard Lloyd Funeral Services Limited | Extraterritorial | 2006 |
| Richard Mark Bellamy Ltd | Arts & recreation | 2020 |
| Richard Moore Bars Ltd | Hospitality | 2020 |
| Richard Moore Pubs Limited | Hospitality | 2020 |
| Richard Moore the Stage Limited | Hospitality | 2017 |
| Richard Nelson LLP | | 2010 |
| Richard Payne Design Ltd | Professional & scientific | 2011 |
| Richard Pilnick Ltd | Professional & scientific | 2018 |
| Richard Prescott Photography Limited | Professional & scientific | 2011 |
| Richard Savidge 2010 Ltd | Real estate | 2010 |
| Richard Scholz Surveys Ltd | Real estate | 2018 |
| Richard Short Financial Planning Ltd | Professional & scientific | 2019 |
| Richard Signs Limited | Manufacturing | 1970 |
| Richard Smith Holdings Ltd | Real estate | 2025 |
| Richard Taylor Renewables Ltd | Energy | 2026 |
| Richard W Spencer Plumbing & Heating Ltd | Construction | 2020 |
| Richardchuks Ltd | Information & communication | 2017 |
| Richardson Avery Legal Services Limited | Professional & scientific | 2014 |
| Richardson Books Limited | Wholesale & retail | 2014 |
| Richardson Chiropractic Consultancy Limited | Health & social care | 2021 |
| Richardson Hall Construction Limited | Construction | 1999 |
| Richardson's Vehicle Services Ltd. | Manufacturing | 2014 |
| Richardsons Carpets Ltd | Wholesale & retail | 2007 |
| Richflex Lifestyle & Entertainment Limited | Hospitality | 2024 |
| Richiejp Ltd | Information & communication | 2023 |
| Richmond - O'Neil Building Ltd | Construction | 2024 |
| Richmond Baxter Ltd | Professional & scientific | 2014 |
| Richmond Floorcovering's Ltd | Construction | 2023 |
| Richmond Hill Real Estate Ltd | Real estate | 2025 |
| Richmond House Management Limited | Real estate | 1996 |
| Richmond Mirrors Limited | Professional & scientific | 1997 |
| Richmond Wight Estates Limited | Professional & scientific | 2013 |
| Richo’S Renovations Ltd | Construction | 2025 |
| Richpack Limited | Real estate | 1986 |
| Richsay Ltd | Health & social care | 2011 |
| Richvisions Limited | Health & social care | 2020 |
| Rick Webster Limited | Administrative & support | 2003 |
| Ricki Clark Plastering Limited | Construction | 2026 |
| Ricky Coxon Consultancy Services Limited | Professional & scientific | 2024 |
| Ricky Jamaraz Ltd | Information & communication | 2024 |
| Ricotash Care Ltd | Wholesale & retail | 2025 |
| Riddim Foods Ltd | Wholesale & retail | 2023 |
| RIDE24X7 Limited | Transport & logistics | 2020 |
| RIDE2U Ltd | Transport & logistics | 2026 |
| Ridecommerce Ltd | Information & communication | 2021 |
| Ridehubuk Limited | Wholesale & retail | 2026 |
| Rider Confidence Training Ltd | Education | 2019 |
| Ridge & Beck Ltd | Manufacturing | 2026 |
| Ridge and Tyler Services Limited | Manufacturing | 1996 |
| Ridgehill Properties Ltd | Real estate | 2025 |
| Ridgeway Electrical Ltd | Other services | 2019 |
| Ridgeway Textiles Limited | Manufacturing | 1983 |
| Rifton Ltd | Construction | 2016 |
| RIG Associates Limited | Health & social care | 2021 |
| RIG Holdings Ltd | Real estate | 2017 |
| Rigel Nova Limited | Transport & logistics | 2020 |
| Right Build Nottingham Ltd | Construction | 2023 |
| Right Choice Autos Limited | Wholesale & retail | 2021 |
| Right Choice Housing Association Community Interest Company | Administrative & support | 2013 |
| Right Home Commercial Ltd | Real estate | 2020 |
| Right Home Holdings Ltd | Professional & scientific | 2020 |
| Right Home Letting Ltd | Real estate | 2015 |
| Right Home Nottingham Limited | Real estate | 2025 |