| Rbtransport Ltd | Transport & logistics | 2025 |
| RC & VL Holdings Limited | Financial services | 2023 |
| RC Legal Ltd | Professional & scientific | 2025 |
| RC Payments Limited | Wholesale & retail | 2025 |
| Rc&C Limited | Arts & recreation | 2014 |
| Rcada Holdings Ltd | Professional & scientific | 2019 |
| RCC Plumbing & Heating Ltd. | Construction | 2019 |
| Rccv Development Ltd | Real estate | 2021 |
| RCJ Hillier Limited | Health & social care | 2019 |
| RCK Marine Limited | Manufacturing | 2024 |
| RCK Poole Ltd | Construction | 2019 |
| RCP Hire (Bournemouth) Limited | Administrative & support | 2004 |
| RCW Finance Consulting Limited | Professional & scientific | 2018 |
| RD Sales Ltd | Construction | 2026 |
| RDH Property Development Limited | Construction | 2016 |
| Rdjk Limited | Wholesale & retail | 2009 |
| RDP Design Ltd | Construction | 2016 |
| RDP Electrical Contractors Ltd | Construction | 2015 |
| RDP Interior Contractors Ltd | Construction | 2021 |
| RDS MME Holdings 2024 Limited | Financial services | 2024 |
| RDT Systems Limited | Information & communication | 2013 |
| Reach Ventures Limited | Professional & scientific | 2009 |
| Reach YC Ltd | Information & communication | 2023 |
| Reach Your Dreams Limited | Education | 2014 |
| Reactive Dogs UK Ltd | Wholesale & retail | 2018 |
| Read Smith & Co Limited | Financial services | 2025 |
| Readsandmore Ltd | Wholesale & retail | 2025 |
| Ready Maid Services Limited | Administrative & support | 2023 |
| Ready Writer Ltd | Arts & recreation | 2013 |
| Real Estate Advice Services Limited | Real estate | 2018 |
| Real Green Gardener Limited | Administrative & support | 2012 |
| Real Life Treasure Hunts Ltd | Arts & recreation | 2019 |
| Real Manage Limited | Real estate | 2024 |
| Real Recruitment Solutions Limited | Administrative & support | 2015 |
| Real Restorations Ltd | Construction | 2022 |
| Real World PM Ltd | Professional & scientific | 2025 |
| Reality Unleashed Ltd | Information & communication | 2024 |
| Realm of Cream Limited | Manufacturing | 2018 |
| Realm of the Storm Ltd | Information & communication | 2023 |
| Realm Runner Studios Limited | Manufacturing | 2019 |
| Realty Finds Ltd | Administrative & support | 2023 |
| Realy Project Limited | Information & communication | 2022 |
| Reamc Limited | Professional & scientific | 2016 |
| Reap Leadership Ltd | Administrative & support | 2021 |
| Rebecca Lardner (Holdings) Limited | Financial services | 2021 |
| Rebecca Lardner (Property) Ltd | Real estate | 2021 |
| Rebecca Lardner Ltd | Arts & recreation | 2006 |
| Rebel Rebel Records Ltd | Wholesale & retail | 2023 |
| Rebs Salon Limited | Other services | 2025 |
| Reclaimed Timber & Character Oak Furniture Ltd | Manufacturing | 2015 |
| Reco Powr Land Ltd | Real estate | 2020 |
| Recovie Health Limited | Health & social care | 2025 |
| Rectory Renovations Limited | Construction | 2016 |
| Red 22 Properties Ltd. | Real estate | 1994 |
| Red Carpentry Ltd | Construction | 2022 |
| Red Chilli Recruitment Limited | Administrative & support | 2009 |
| Red Communications Solutions Ltd | Information & communication | 2013 |
| Red Consultancy (UK) Ltd | Education | 2012 |
| Red DOT Consultants Limited | Administrative & support | 2019 |
| Red Dragon Languages Consultancy Ltd | Extraterritorial | 2011 |
| Red Eagle Fuel Supplies Ltd | Wholesale & retail | 2013 |
| Red Family Finance Ltd | Extraterritorial | 2024 |
| Red Fast Logistic Ltd | Transport & logistics | 2019 |
| Red FOX Theatre Ltd | Arts & recreation | 2020 |
| Red Geode Ltd | Information & communication | 2022 |
| Red Hot Branding Ltd | Wholesale & retail | 2022 |
| Red Rock Records & Cd's Limited | Wholesale & retail | 2003 |
| Red Sky Technology Limited | Information & communication | 2014 |
| Red Snapper Group Limited | Professional & scientific | 2018 |
| Red Snapper Learning Ltd | Administrative & support | 2006 |
| Red Snapper Managed Services Limited | Professional & scientific | 2018 |
| Red Snapper Media Limited | Professional & scientific | 2003 |
| Red Snapper Recruitment Limited | Administrative & support | 2004 |
| Red Wealth Management Limited | Financial services | 2017 |
| Red Wellies Pet Care (Wessex) Ltd | Other services | 2023 |
| Red Wellies Pet Care Ltd | Other services | 2020 |
| Red+Red Limited | Professional & scientific | 2018 |
| Redactbox Ltd | Information & communication | 2025 |
| Redcroft (Branksome Park) Limited | Real estate | 1992 |
| Reddgate Design Limited | Information & communication | 2012 |
| Redemption Properties Ltd | Real estate | 2020 |
| Redfrogblack Limited | Wholesale & retail | 2025 |
| Redheat Solutions Limited | Wholesale & retail | 2019 |
| Redhill Garage (Bournemouth) Ltd | Wholesale & retail | 2025 |
| Redhill RD (Rowlands Castle) Management Co Ltd | Households | 2018 |
| Redjag Limited | Manufacturing | 2004 |
| Redkabuku Innovations Ltd | Manufacturing | 2018 |
| Redkey Digital Limited | Information & communication | 2007 |
| Redlands Counselling & Coaching Service Limited | Administrative & support | 2025 |
| Redlands Counselling & Coaching Training Limited | Administrative & support | 2025 |
| Redlands Counselling & Training Limited | Professional & scientific | 2010 |
| Redlands Holdings Limited | Financial services | 2025 |
| Redlands Rooms Limited | Real estate | 2025 |
| Redlands Support Services Limited | Administrative & support | 2025 |
| Redlaw Holdings Limited | Financial services | 2019 |
| Redlaw Properties Limited | Construction | 2002 |
| Redline Surveys Ltd | Professional & scientific | 2017 |
| Redmaze Limited | Professional & scientific | 1992 |
| Redmond Property Group Limited | Households | 2020 |
| Rednal Recruitment Ltd | Administrative & support | 1999 |