| PWE Technology Co., Ltd. | Manufacturing | 2018 |
| PXD Commerce Ltd | Wholesale & retail | 2026 |
| PXP Property Ltd | Real estate | 2025 |
| Pyra Property Services Ltd | Construction | 2016 |
| QAR Eco-Friendly Equipment Ltd | Manufacturing | 2024 |
| Qareer Limited | Information & communication | 2022 |
| Qewitco Fasteners Co., Ltd | Professional & scientific | 2017 |
| Qiao Hand Tools Industry Ltd | Manufacturing | 2018 |
| Qibang IMP & EXP Co., Ltd | Manufacturing | 2018 |
| Qingdao Bingchen Xianglong Trading Co., Ltd. | Manufacturing | 2024 |
| Qingdao Dragon Sail Textile Co., Ltd | Wholesale & retail | 2020 |
| Qingdao Haicheng Crafts Co., Limited | Wholesale & retail | 2019 |
| Qingdao Hiturn International Trade Co., Ltd | Wholesale & retail | 2023 |
| Qingdao Jinyoulin Ornaments Co., Ltd | Wholesale & retail | 2022 |
| Qingdao Luisluo Marine Service Co., Ltd | Manufacturing | 2023 |
| Qingdao Shengying Steel Co., Ltd | Manufacturing | 2023 |
| Qingdao Speedway International Trade Co. Ltd | Extraterritorial | 2019 |
| Qinghe Guangfeng Auto & Motorcycles Parts Co., Ltd | Manufacturing | 2018 |
| Qinghe Tongsheng Auto & Motorcycles Parts Co., Ltd | Extraterritorial | 2018 |
| QS XL Ltd | Professional & scientific | 2021 |
| Quad Digital Limited | Information & communication | 2022 |
| Qualitative Data Analysis Services Ltd | Professional & scientific | 2015 |
| Quality Benchmark Solutions Ltd | Professional & scientific | 2020 |
| Quality Chicken & Ribs Ltd | Hospitality | 2021 |
| Quality Studio Ltd | Manufacturing | 2024 |
| Quancost Consult Ltd | Construction | 2017 |
| Quantum Close Ltd | Professional & scientific | 2025 |
| Qube Homes Limited | Real estate | 2019 |
| Quick Build Developments Limited | Construction | 2018 |
| Quintessential Corporation Limited | Real estate | 2020 |
| Qzkino International Co., Ltd | Wholesale & retail | 2021 |
| R & B Enterprises UK Limited | Arts & recreation | 2007 |
| R & H Electrical Ltd | Construction | 2021 |
| R & L Holdings Ltd | Financial services | 2021 |
| R & L Selling Ltd | Wholesale & retail | 2025 |
| R & R Medicare Ltd | Health & social care | 2013 |
| R & S Supermarket Ltd | Wholesale & retail | 2019 |
| R & S Tattoos Ltd | Arts & recreation | 2026 |
| R Aggarwal & Company Limited | Professional & scientific | 2018 |
| R and J Tywdall Convenience Store Ltd | Wholesale & retail | 2020 |
| R G Watches Limited | Wholesale & retail | 2007 |
| R Grimstead Driver Services Ltd | Transport & logistics | 2016 |
| R J Harris Plant Hire Limited | Construction | 2017 |
| R Johnson Fruit Broker Ltd | Wholesale & retail | 2018 |
| R LEE Promotions Ltd | Extraterritorial | 2023 |
| R M Tyres (Strood) Limited | Wholesale & retail | 2011 |
| R Pannu Consulting Ltd | Real estate | 2021 |
| R&B BTL Investments Limited | Real estate | 2024 |
| R&B Kent Limited | Real estate | 2015 |
| R&Jdynamics Ltd | Wholesale & retail | 2025 |
| R&L Auto Ltd | Wholesale & retail | 2024 |
| R&R Groundworks & Civil Engineering Ltd | Construction | 2026 |
| R&R Logistics Kent Limited | Transport & logistics | 2024 |
| R.A. Burke Pipefitting & Welding Co. Ltd | Construction | 2005 |
| R.C.C.G Grace Haven Chapel | Other services | 2016 |
| R.G.Trucker Services Ltd | Transport & logistics | 2016 |
| R.J.S Plastering Limited | Construction | 2015 |
| R.S.M. Carpentry Limited | Construction | 1994 |
| R.T.M. Financial Planning Limited | Financial services | 2004 |
| R25 Vehicle Services Ltd | Wholesale & retail | 2025 |
| RA Construction Ltd | Construction | 2025 |
| RA4IE Ltd | Construction | 2019 |
| Rabiu Plumbing and Heating Limited | Construction | 2023 |
| Raccoohns Gather Ltd | Information & communication | 2021 |
| Rachael Jade Beauty Limited | Other services | 2026 |
| Rachel Alexandra Ltd | Wholesale & retail | 2017 |
| Rachies Kitchen Limited | Manufacturing | 2026 |
| RAD Plumbing & Heating Limited | Construction | 2006 |
| Rage Construction Ltd | Construction | 2017 |
| Ragnarok Hobbies Ltd | Wholesale & retail | 2026 |
| Raheem Limited | Health & social care | 2023 |
| Rahola Limited | Real estate | 2013 |
| Raileigh Heating and Plumbing Ltd | Construction | 2020 |
| Railway Car Wash Ltd | Administrative & support | 2026 |
| Railway Street Car Wash Ltd | Administrative & support | 2025 |
| Railway Street Garage Services Ltd | Wholesale & retail | 2018 |
| Rainbow Parties Limited | Hospitality | 2017 |
| Rainham Community Projects C.I.C. | Wholesale & retail | 2022 |
| Rainham Drinks Ltd | Hospitality | 2024 |
| Rainham Grills & Kebab Limited | Hospitality | 2024 |
| Rainham Launderette Ltd | Other services | 2011 |
| Rainham Osteopathic Clinic Limited | Health & social care | 2014 |
| Rainham Takeaway Limited | Hospitality | 2025 |
| Rainham Theatrical Society Limited | Hospitality | 1967 |
| Rainn Industrial Co., Ltd | Extraterritorial | 2017 |
| Rajoli Ltd | Wholesale & retail | 2025 |
| Rally Prep Ltd | Professional & scientific | 2024 |
| Ralph Beebeejaun Property Limited | Real estate | 2026 |
| Rama Stylish Design Ltd | Wholesale & retail | 2022 |
| Rammera Limited | Administrative & support | 2023 |
| Ramos Medical Solutions Ltd | Health & social care | 2026 |
| Raotech Solutions Limited | Information & communication | 2024 |
| Rapid Care Ltd | Professional & scientific | 2009 |
| Rapid Care Supported Living Ltd | Health & social care | 2025 |
| Rark Solutions Ltd | Administrative & support | 2012 |
| Rasheed UK Global Service Ltd | Transport & logistics | 2026 |
| Rashid Healthcare Limited | Health & social care | 2023 |
| Rasmas Technology Limited | Professional & scientific | 1997 |
| Raspberry Hill Fishery Ltd | Other services | 2021 |
| Ravate Mechanical Services Ltd | Construction | 2023 |