| PTR Window Cleaning Limited | Administrative & support | 2020 |
| PUB Bar Sound & Furniture Co Ltd | Arts & recreation | 2024 |
| Pure Elite Events Ltd | Arts & recreation | 2014 |
| Pure Shores Margate Ltd | Administrative & support | 2021 |
| Pure Thanet Water Limited | Administrative & support | 2023 |
| Pure Vision Financial Services Limited | Financial services | 2024 |
| Pure Vision Legacy Planning Ltd | Other services | 2026 |
| Pure Zendays Ltd | Wholesale & retail | 2022 |
| Push Design Store Ltd | Wholesale & retail | 2020 |
| Putting Frailty First Limited | Health & social care | 2025 |
| PVA Solution Ltd | Other services | 2024 |
| Pwei Industries Ltd | Arts & recreation | 2025 |
| Pyramid Martial Arts Ltd | Arts & recreation | 2009 |
| Quantum Mechanics Thanet Ltd | Wholesale & retail | 2025 |
| Quantum Power Electrical Ltd | Construction | 2024 |
| Quartermaster Historical Events Ltd | Arts & recreation | 2025 |
| Quirino Ltd | Information & communication | 2025 |
| R & H Surveyors Ltd | Professional & scientific | 2007 |
| R & J Solutions (Kent) Limited | Professional & scientific | 2013 |
| R C Formwork Ltd | Construction | 2018 |
| R Charles Brickwork Limited | Construction | 2022 |
| R Mcghee Ltd | Transport & logistics | 2015 |
| R N Cannon & Sons Ltd | Transport & logistics | 2021 |
| R People (Kent) Limited | Wholesale & retail | 2016 |
| R Rocket Consultancy Solutions Ltd | Professional & scientific | 2025 |
| R W Construction Kent Ltd | Manufacturing | 2021 |
| R Wisker Consultancy Ltd | Real estate | 2022 |
| R.E.S (UK) Limited | Construction | 2008 |
| R.E.T Property Development Limited | Construction | 2025 |
| Radev Estate Ltd | Real estate | 2020 |
| Radish Tech Services Ltd | Information & communication | 2021 |
| Rage Remedy Ltd | Arts & recreation | 2024 |
| Rail Infrastructure Limited | Construction | 2014 |
| Rainbow Life Ltd | Wholesale & retail | 2020 |
| Raines Rentals Limited | Real estate | 2023 |
| Rajeev & Asha Ltd | Health & social care | 2020 |
| Raman & Co Ltd | Wholesale & retail | 2026 |
| Ramsgate (Heritage Regeneration) Trust | Arts & recreation | 2010 |
| Ramsgate Artillery Arms Ltd | Hospitality | 2018 |
| Ramsgate Arts Barge Community Interest Company | Arts & recreation | 2019 |
| Ramsgate Arts Club CIC | Arts & recreation | 2024 |
| Ramsgate Arts Festival Limited | Arts & recreation | 2009 |
| Ramsgate Arts Primary Ptfa Ltd | Administrative & support | 2024 |
| Ramsgate Balti Limited | Hospitality | 2020 |
| Ramsgate Best Pizza Ltd | Hospitality | 2024 |
| Ramsgate Builders Limited | Construction | 2025 |
| Ramsgate Bullion Refinery Ltd | Manufacturing | 2026 |
| Ramsgate Curry Limited | Hospitality | 2013 |
| Ramsgate Development Company Limited | Construction | 2015 |
| Ramsgate Flavours Ltd | Hospitality | 2023 |
| Ramsgate Food Investments Ltd | Hospitality | 2025 |
| Ramsgate Football Club (85) Limited | Arts & recreation | 1986 |
| Ramsgate General Store Ltd | Wholesale & retail | 2025 |
| Ramsgate Glass Limited | Wholesale & retail | 2018 |
| Ramsgate Hand Car Wash Ltd | Other services | 2018 |
| Ramsgate Indian Take Away Limited | Hospitality | 2019 |
| Ramsgate International Film and TV Festival C.I.C. | Arts & recreation | 2016 |
| Ramsgate Mobiles Ltd | Wholesale & retail | 2024 |
| Ramsgate Music Hall Ltd | Hospitality | 2025 |
| Ramsgate RUM Ltd | Manufacturing | 2026 |
| Ramsgate Space CIC | Real estate | 2024 |
| Ramsgate Thrift Store Limited | Administrative & support | 2017 |
| Ramsgate Tunnels Limited | Arts & recreation | 2017 |
| Ramsgate Waterfront Development Company Limited | Real estate | 2015 |
| Randolph Court (Westgate-On-Sea) Limited | Households | 1999 |
| Rani's Restaurant Ltd | Hospitality | 2023 |
| Rara Motor Company Ltd | Wholesale & retail | 2024 |
| Rassekh Limited | Real estate | 2018 |
| Rasty 1 Ltd | Other services | 2026 |
| Ravensgate Ramsgate Limited | Hospitality | 2017 |
| Ravenspire Games Limited | Wholesale & retail | 2026 |
| Ravenspire Holdings Limited | Financial services | 2024 |
| RB Maple Leaf Limited | Manufacturing | 2025 |
| RB Thanet Ltd | Hospitality | 2024 |
| RC Roastery Ltd | Hospitality | 2025 |
| RCS Automotive Group Ltd | Wholesale & retail | 2026 |
| RDH Events Limited | Hospitality | 2024 |
| RE Contract Solutions Ltd | Construction | 2025 |
| Real Music Management Ltd | Arts & recreation | 2018 |
| Realia Marketing Limited | Extraterritorial | 2008 |
| Reardon Properties Limited | Real estate | 2013 |
| Reardon-Oneill Investments Limited | Real estate | 2024 |
| Reavill Holding Ltd | Financial services | 2023 |
| Rebecca Hyde Property Limited | Real estate | 2024 |
| Reclaimed Studio 42 Limited | Manufacturing | 2025 |
| Recrewt Ltd | Administrative & support | 2013 |
| Recruit HR Limited | Real estate | 2014 |
| Recruit ME Care Ltd | Administrative & support | 2025 |
| Red 8 Restoration Ltd | Transport & logistics | 2026 |
| Red Star HV Services Ltd | Professional & scientific | 2026 |
| Red Vault Investments Limited | Administrative & support | 2014 |
| Redeem Partners Limited | Professional & scientific | 2022 |
| Redington (Ashford) Limited | Households | 1986 |
| Redrock Management Ltd | Professional & scientific | 1996 |
| Reformation Retreats Ltd | Other services | 2025 |
| Regal Enterprises Limited | Wholesale & retail | 2025 |
| Regal Lawyers Limited | Professional & scientific | 2025 |
| Regal Removals Ltd | Transport & logistics | 2017 |
| Regen South East Limited | Construction | 2023 |
| Regency Asset Investments Limited | Real estate | 2016 |