| REX Carpentry South Ltd | Construction | 2023 |
| Reyton Group Ltd | Information & communication | 2025 |
| Rezshiri Ltd | Real estate | 2022 |
| RF Consultancy Limited | Other services | 2022 |
| RFV Limited | Wholesale & retail | 2005 |
| RG Design Workshop Ltd | Extraterritorial | 2026 |
| RG Forests Ltd | Real estate | 2022 |
| RG Global Properties Limited | Real estate | 2015 |
| RG Park Property Ltd | Real estate | 2024 |
| RG Property 1 Limited | Real estate | 2022 |
| RG Property 2 Limited | Real estate | 2022 |
| RG Property 3 Limited | Real estate | 2023 |
| RG Property 4 Limited | Real estate | 2024 |
| RG Property 5 Limited | Real estate | 2024 |
| RG US Property Holdings Ltd | Financial services | 2023 |
| RG22 Limited | Financial services | 2019 |
| RGA3 Limited | Financial services | 2017 |
| RGA5 Limited | Financial services | 2017 |
| RGA6 Limited | Financial services | 2018 |
| RGA6 Management Services Limited | Information & communication | 2023 |
| RGA9 Limited | Real estate | 2017 |
| RGB Investment Properties Limited | Real estate | 2018 |
| RHB Productions Limited | Information & communication | 2009 |
| RHC Developments Ltd | Construction | 2018 |
| RHG Productions Ltd | Information & communication | 2025 |
| RHJ Corporation Ltd | Administrative & support | 2016 |
| Rhodes & LI Investment Ltd | Real estate | 2018 |
| Rhodes Court Management Company Limited | Households | 1978 |
| Rhsg Properties Limited | Real estate | 2014 |
| Rhumbline Consultancy Limited | Professional & scientific | 2025 |
| Rhumbline Yachts Limited | Professional & scientific | 2026 |
| Rib.Audio Visual Ltd. | Wholesale & retail | 2014 |
| Ribas Properties Ltd | Real estate | 2019 |
| Ribbonwood Heights Management Company Limited | Households | 2000 |
| Rich Norton Limited | Other services | 2025 |
| Richard Downes Developments Ltd | Real estate | 2018 |
| Richard H Harris Limited | Information & communication | 2011 |
| Richard Henshaw Planning Services Limited | Professional & scientific | 2014 |
| Richard King Power Transmission Engineering Limited | Professional & scientific | 2009 |
| Richinson and Wellington Independent Financial Advisers Ltd | Financial services | 2024 |
| Richkay Ltd | Construction | 2013 |
| Richmond Classics Limited | Wholesale & retail | 1987 |
| Richmond Construction ( Sussex ) Ltd | Construction | 2022 |
| Richmond Court (Bournemouth) Management Limited | Households | 1985 |
| Richmond Court Management Company Limited | Households | 1988 |
| Richmond Dene(Bournemouth)Management Company Limited | Households | 1965 |
| Richmond Group Debt Capital Ltd | Financial services | 2016 |
| Richmond Group Limited | Information & communication | 2004 |
| Richmond Group Management Services Limited | Information & communication | 2018 |
| Richmond Group Property Holdings Limited | Financial services | 2022 |
| Richmond Heights Freehold Limited | Households | 2007 |
| Richmond Marketing Solutions Limited | Other services | 2019 |
| Richmond Mart Ltd | Wholesale & retail | 2024 |
| Richmond Park Lodge (Bournemouth) Management Limited | Households | 2005 |
| Richmond Property Group Ltd | Real estate | 2014 |
| Richmond Queens (Management Company) Limited | Real estate | 2005 |
| Richmond Travel International Limited | Administrative & support | 2014 |
| Richmond Wood Management Company Limited | Households | 1988 |
| Richmond Wood Road Freehold Limited | Households | 2018 |
| Richmond Wood Road Management Company Limited | Households | 2008 |
| Richmondwood Ltd | Health & social care | 2021 |
| Rick Wilson Photography Limited | Professional & scientific | 2011 |
| Rickard Investment Property Ltd | Real estate | 2023 |
| Rickett's Scaffolding Limited | Construction | 2014 |
| Ricketts Pigs LLP | | 2025 |
| Rickroi Limited | Hospitality | 2022 |
| Ricky’S CUT Ltd | Other services | 2024 |
| Ride Expeditions Ltd | Administrative & support | 2015 |
| Ridge Properties Limited | Real estate | 2010 |
| Ridgeline Properties Ltd | Real estate | 2025 |
| Rift Actuators Ltd | Manufacturing | 2023 |
| Rift EV Motors Ltd | Manufacturing | 2023 |
| Rift Holdings Ltd | Financial services | 2019 |
| Riggxon Ltd | Mining & quarrying | 2019 |
| Right Smile Limited | Health & social care | 2021 |
| Right Track Cars Limited | Wholesale & retail | 2014 |
| Rightletts (Southern) Ltd | Real estate | 2022 |
| Rightway Roofers Contractors Ltd | Construction | 2025 |
| Rilen Limited | Hospitality | 2024 |
| Riley Beresford Developments Ltd | Construction | 2024 |
| Rinda Consultant Ltd | Construction | 2023 |
| Rings of London Ltd | Wholesale & retail | 2015 |
| Ringwood Developments Limited | Professional & scientific | 2003 |
| Ringwood Flexigoods Ltd | Manufacturing | 2002 |
| Ringwood Holdings Limited | Real estate | 2025 |
| Rinisha Ltd | Financial services | 2017 |
| RIO Cafe Limited | Wholesale & retail | 2022 |
| RIO Sun Developments Ltd | Administrative & support | 2016 |
| Rio's Bournemouth Limited | Hospitality | 2024 |
| Ripple Letting Ltd | Hospitality | 2023 |
| Ripple Rebels CIC | Other services | 2023 |
| Ripstone Property Ltd | Real estate | 2022 |
| Risbridger Property Limited | Real estate | 2016 |
| Rise & Shine Collective Ltd | Professional & scientific | 2025 |
| Rise Above Agency Ltd | Professional & scientific | 2019 |
| Rise Above Support Ltd | Health & social care | 2024 |
| Rising Bars Limited | Hospitality | 2018 |
| Riskstop Consulting Limited | Financial services | 2008 |
| Riskstop Group Holdings Limited | Financial services | 2022 |
| Riskstop Group Limited | Financial services | 2007 |