| Ravendale Holdings Ltd | Hospitality | 2023 |
| Ravensteelfabrication Limited | Manufacturing | 2016 |
| RAW Investment Holdings Limited | Financial services | 2016 |
| RAW Kids Gymnastics Waterlooville Ltd | Arts & recreation | 2023 |
| RAY Curtis Carpentry Limited | Construction | 2021 |
| RAY Dentith Motorcycles Limited | Wholesale & retail | 2021 |
| RB Empire Ltd | Real estate | 2021 |
| RBA Builders Ltd | Other services | 2014 |
| RBF Training Limited | Education | 2023 |
| Rbtb Holdings Ltd | Financial services | 2025 |
| RBW Fine Wines Limited | Wholesale & retail | 2019 |
| RC Outlet Ltd | Wholesale & retail | 2026 |
| RCS Developments Ltd | Construction | 2025 |
| RD Cayuga Ltd | Information & communication | 2023 |
| RDM Agency Ltd | Manufacturing | 2013 |
| RE Surfacing Contractors Ltd | Construction | 2022 |
| Reach Competitions Limited | Other services | 2024 |
| Reachify Ltd | Information & communication | 2022 |
| Reactive Mechanical Services Ltd | Construction | 2015 |
| Read's Australian Labradoodles Limited | Agriculture & fishing | 2024 |
| Real Creative Marketing Limited | Professional & scientific | 2010 |
| Reality Checkpoint Limited | Arts & recreation | 2024 |
| Really Big Games Ltd | Information & communication | 2024 |
| Really Good Designs Ltd | Information & communication | 2010 |
| Realm Property Investment ARM Limited | Real estate | 2021 |
| Realm Property Investment Limited | Real estate | 2020 |
| Rebeauty Limited | Wholesale & retail | 2025 |
| Rebecca Asling Locations Ltd | Information & communication | 2019 |
| Rebel Propco Limited | Real estate | 2021 |
| Rebella Coffee Ltd | Hospitality | 2024 |
| Recruitment Experts Elcdhiocp Limited | Administrative & support | 2023 |
| Red 14 Plastics Limited | Manufacturing | 2013 |
| Red C-Rover Limited | Professional & scientific | 2016 |
| Red Dragon Amusements Ltd | Arts & recreation | 2023 |
| Red Dragon Sales Limited | Wholesale & retail | 2020 |
| Red Gorilla Holdings Ltd | Financial services | 2024 |
| Red Gorilla PAY Limited | Wholesale & retail | 2025 |
| Red Gorilla UK Ltd | Wholesale & retail | 2013 |
| Red Kite Creative Group Ltd | Professional & scientific | 2020 |
| Red Knight Solutions Ltd | Information & communication | 2005 |
| Red Mouse Creative Design Limited | Professional & scientific | 2011 |
| Red Pixel Creative Ltd | Professional & scientific | 2012 |
| Red Rose Cuisine Ltd | Hospitality | 2018 |
| Red Suit Ltd | Professional & scientific | 2016 |
| Red Track Associates Limited | Information & communication | 2008 |
| Red's Equestrian Ltd | Agriculture & fishing | 2025 |
| Redcap SLY Limited | Financial services | 2022 |
| Redefine Balustrade Limited | Construction | 2023 |
| Redlock Limited | Extraterritorial | 1989 |
| Redmond Housekeeping Solutions Limited | Administrative & support | 2018 |
| Redpath Installs Limited | Construction | 2017 |
| Redpath Living Limited | Construction | 2025 |
| Redpath Renovations Limited | Construction | 2025 |
| Redpath Sourcing Limited | Real estate | 2025 |
| Redwing Road (Waterlooville) Management Company Limited | Households | 2007 |
| Redwood Financial Family Wealth & Estate Planners Limited | Professional & scientific | 2014 |
| Redwood Wills and Trusts Limited | Professional & scientific | 2015 |
| Redwood-Uk Holdings Ltd | Financial services | 2024 |
| Redwood-Uk Ltd | Wholesale & retail | 2021 |
| Reebrooks Limited | Manufacturing | 2008 |
| Reecebass Ltd | Information & communication | 2025 |
| Reef Diving Services Ltd | Transport & logistics | 2017 |
| Refreshing Digital Media Limited | Administrative & support | 2020 |
| Regal Catering Ltd | Hospitality | 2026 |
| Regal Contract & Domestic Cleaning Limited | Administrative & support | 2012 |
| Regal Recruits Ltd | Administrative & support | 2018 |
| Register a Ltd Company Limited | Professional & scientific | 2024 |
| Regulatory Science Limited | Health & social care | 2007 |
| Regulus Prosystems Ltd | Wholesale & retail | 2021 |
| Reid Medical Services Limited | Health & social care | 2026 |
| Reinvent Work Advisory Ltd | Information & communication | 2026 |
| REL Solar Limited | Construction | 2023 |
| Relentless Burger and Lobster Ltd | Hospitality | 2022 |
| Reload Business Ltd | Administrative & support | 2024 |
| Rembot Ltd | Construction | 2017 |
| Remedy Law Ltd | Professional & scientific | 2019 |
| Remedy Property Investments Ltd | Real estate | 2021 |
| Renaissance Apothecary Limited | Wholesale & retail | 2025 |
| Rendecraft Limited | Information & communication | 2024 |
| Rendering Consultants Limited | Construction | 2024 |
| Renlon Home Limited | Construction | 2022 |
| Renlon Roofing Limited | Construction | 2024 |
| Renowned Roofing Ltd | Construction | 2026 |
| Rent Flair Limited | Other services | 2024 |
| Rent for Life Limited | Real estate | 2021 |
| Replicants Limited | Information & communication | 2022 |
| Repro Engineering Limited | Manufacturing | 2000 |
| Republic Travel Villa Limited | Hospitality | 2021 |
| RES Assured Limited | Construction | 2017 |
| Rescuefit UK Ltd | Professional & scientific | 2022 |
| Reshapingart.Com Limited | Manufacturing | 2024 |
| Resin Finesse Ltd | Construction | 2024 |
| Resolution Energy Ltd | Professional & scientific | 2021 |
| Resolved Dispute Solutions Ltd | Professional & scientific | 2021 |
| Respifit Limited | Manufacturing | 2016 |
| Resto Glow Automotive Ltd | Wholesale & retail | 2022 |
| Restore Gastro Health Limited | Health & social care | 2024 |
| Retained 1ST Limited | Manufacturing | 2014 |
| Rethink Growth Ltd | Other services | 2023 |
| Retro Foods Limited | Wholesale & retail | 2000 |