| Psychology Bali Ltd | Health & social care | 2024 |
| Psychology Interacts Ltd | Health & social care | 2018 |
| Puma Quality Engineering Ltd | Professional & scientific | 2023 |
| Pure Preventive Maintenance Limited | Manufacturing | 2022 |
| PWR Consulting Ltd | Professional & scientific | 2017 |
| Qrmee Ltd | Wholesale & retail | 2025 |
| Quality Groundworks Limited | Construction | 2022 |
| Quantic Plumbing and Heating Ltd | Construction | 2024 |
| Quasar Systems Limited | Real estate | 2015 |
| Quayplan Resources Ltd | Professional & scientific | 2026 |
| Quba Properties LLP | | 2011 |
| Queens Gardens Property Management Company Ltd | Households | 2022 |
| Quex Barn Limited | Hospitality | 2018 |
| Quick Security Limited | Other services | 2003 |
| Quinneys Limited | Manufacturing | 2002 |
| R & C Enforcement Services Ltd | Professional & scientific | 2015 |
| R & M Thomas Limited | Financial services | 2012 |
| R G C Engineering Ltd | Professional & scientific | 2013 |
| R J Sanders & SON Ltd | Construction | 2026 |
| R J Ward Services Limited | Other services | 2012 |
| R K Electrical Kent Limited | Construction | 2015 |
| R Walker Plumbing & Heating Specialists Ltd | Construction | 2017 |
| R3 Software Solutions Limited | Information & communication | 2015 |
| Radialflipz Ltd | Wholesale & retail | 2020 |
| Raindance Media Centres Limited | Real estate | 2021 |
| Raindance.Tv Limited | Information & communication | 2007 |
| Ramz Electrical Ltd | Construction | 2023 |
| Random Automations Limited | Information & communication | 2026 |
| Rane Properties Ltd | Real estate | 2025 |
| RAP Designs (Southern) Limited | Professional & scientific | 2005 |
| Rase Productions Limited | Administrative & support | 2019 |
| Rathikumary Ltd | Hospitality | 2022 |
| Ravenshill Limited | Households | 1957 |
| Raymond Groundworks Limited | Construction | 2002 |
| Raymond Properties Limited | Construction | 2026 |
| RCW Golf Limited | Arts & recreation | 2025 |
| RDM Engineering and Construction Limited | Construction | 2017 |
| RDN Design & Build Ltd | Construction | 2015 |
| RDT Kent Properties Ltd | Real estate | 2022 |
| Realise Productions Ltd | Manufacturing | 2024 |
| Realist Records Ltd | Information & communication | 2025 |
| Reassure Building and Maintenance Ltd | Administrative & support | 2017 |
| Reassure Property Maintenance Ltd | Construction | 2025 |
| Recon Consulting Limited | Professional & scientific | 2017 |
| Reculver NDT Ltd | Wholesale & retail | 2020 |
| Reculver Tyres Ltd | Wholesale & retail | 2026 |
| Red Lion Accountancy Limited | Professional & scientific | 2024 |
| Red Plant Limited | Real estate | 2020 |
| Redcot Developments Limited | Construction | 2021 |
| Reel Romances Ltd | Information & communication | 2023 |
| Refocus Coaching Limited | Education | 2011 |
| Reids Paving Ltd | Construction | 2021 |
| Rena Leigh Ltd | Other services | 2021 |
| Renewable Expert Ltd | Other services | 2020 |
| Rentiful Limited | Information & communication | 2024 |
| Restore Power Ltd | Construction | 2023 |
| Retreat Into Wonderland CIC | Education | 2018 |
| Retreat Spa Ltd | Education | 2022 |
| Retro Transport and Hospitality Ltd | Administrative & support | 2021 |
| Revibe HQ Limited | Health & social care | 2023 |
| Revinetics Ltd | Professional & scientific | 2025 |
| Revive & Restore (Kent) Ltd | Manufacturing | 2020 |
| Revive Golf Ltd | Wholesale & retail | 2025 |
| Rexdon Limited | Construction | 2019 |
| Rexdon Watson Limited | Construction | 2022 |
| RF Electrical and Security Ltd | Construction | 2017 |
| RG Film Studio Ltd | Information & communication | 2024 |
| RG Films Production Limited | Arts & recreation | 2017 |
| RGC Landscaping and Building Services Limited | Manufacturing | 2024 |
| Rhino Security Limited | Construction | 1997 |
| Rhondda Event Solutions Limited | Administrative & support | 2008 |
| Rhys Davies Consulting Ltd | Professional & scientific | 2011 |
| Richland Homes Ltd | Real estate | 2016 |
| Richmond Barnes Limited | Professional & scientific | 2018 |
| Rico Marine Ltd | Transport & logistics | 2025 |
| Rihan Kent Ltd | Hospitality | 2026 |
| Riley MI Limited | Professional & scientific | 2019 |
| Rintoul Construction Management Ltd | Construction | 2023 |
| RJB Spaces Limited | Construction | 2024 |
| RJT Thrive Ltd | Real estate | 2024 |
| RK Heating & Plumbing (Kent) Ltd | Construction | 2026 |
| RL Bodyshops Ltd | Wholesale & retail | 2018 |
| Rnbd Ltd | Arts & recreation | 2025 |
| Roberts Stonemasons Limited | Manufacturing | 2003 |
| Robin Lance Aviation Associates Limited | Transport & logistics | 1989 |
| Robinson Turner Limited | Professional & scientific | 2017 |
| ROE Stairs Limited | Manufacturing | 2005 |
| Rogate Estates Limited | Construction | 2015 |
| Rogate Properties (Stelling Minnis) Limited | Construction | 2019 |
| Rogate Properties (Wickhambreaux) Limited | Construction | 2017 |
| Roger Harris Computer Graphics Limited | Professional & scientific | 2006 |
| Rohan Morphew Ltd | Wholesale & retail | 2015 |
| ROJ Aesthetics Ltd | Other services | 2025 |
| Rokan Limited | Hospitality | 2024 |
| Ronan Orla Limited | Agriculture & fishing | 2015 |
| Rooke Developments Limited | Real estate | 2025 |
| Roola Limited | Information & communication | 2022 |
| Rose Petals Care Limited | Administrative & support | 2017 |
| Rosesite (Southern) Limited | Extraterritorial | 2009 |
| Rouge Films Limited | Arts & recreation | 1983 |