| Pulstra Ltd | Professional & scientific | 2025 |
| Punjabi Tadka Ltd | Hospitality | 2015 |
| Pure by Annie Ltd | Manufacturing | 2025 |
| Pure Home (Online UK ) Ltd | Wholesale & retail | 2025 |
| Pure Homeland Foods Ltd | Wholesale & retail | 2026 |
| Pure Jardin Ltd | Wholesale & retail | 2018 |
| Pure Vision Services Limited | Construction | 2025 |
| Pureco London Limited | Wholesale & retail | 2024 |
| Purecrop Limited | Wholesale & retail | 2020 |
| Purelyprime Ltd | Wholesale & retail | 2024 |
| Purple Heart Building Services Ltd | Construction | 2017 |
| Purpose Pathway Community CIC | Administrative & support | 2026 |
| Purposition Limited | Other services | 2018 |
| Pvrsoft Limited | Information & communication | 2019 |
| PW Furnitures Ltd | Manufacturing | 2024 |
| PWL Group Limited | Information & communication | 2024 |
| PWS (Law) Ltd | Professional & scientific | 2020 |
| Pyramid PA Services Limited | Administrative & support | 2018 |
| Pyramid Resources Services Limited | Administrative & support | 2019 |
| Pyrunpro Ltd | Wholesale & retail | 2025 |
| Pzim Construction Ltd | Construction | 2023 |
| Pîng Ỳāng Limited | Hospitality | 2025 |
| Qalam Education Ltd | Education | 2022 |
| Qamar Nexus Limited | Wholesale & retail | 2024 |
| Qarsel Ltd | Other services | 2026 |
| QB Corp Ltd | Administrative & support | 2023 |
| QDF Limited | Wholesale & retail | 2025 |
| Qeldon Ltd | Wholesale & retail | 2025 |
| QF Express Ltd | Wholesale & retail | 2017 |
| Qnet Traders Limited | Wholesale & retail | 2025 |
| QNR Limited | Wholesale & retail | 2025 |
| Qoral Plumbers Ltd | Construction | 2022 |
| Quantum Realty Group Ltd | Real estate | 2024 |
| Quarterly Accounting Limited | Professional & scientific | 2017 |
| Queup Ltd | Information & communication | 2026 |
| Quick Clean & Clearance Ltd | Administrative & support | 2025 |
| Quick Experts Recruitment Ltd | Other services | 2018 |
| Quick Response FM Services Limited | Administrative & support | 2022 |
| Quick Skips London Recycling Ltd | Construction | 2016 |
| Quick Solution Cleaning Ltd | Administrative & support | 2025 |
| Quickinnovations Ltd | Information & communication | 2011 |
| Quickz Cleaners Ltd | Administrative & support | 2025 |
| Quintessence Ventures Ltd | Administrative & support | 2025 |
| Quintessentially Consulting Ltd | Financial services | 2014 |
| Qutab Holding Limited | Construction | 2022 |
| R & K Barking Limited | Wholesale & retail | 2019 |
| R & M Bulk Transport Limited | Transport & logistics | 2013 |
| R & M Industries Limited | Professional & scientific | 2009 |
| R & R Computing Consultancy Limited | Information & communication | 2023 |
| R & R Intelligent Investments Limited | Professional & scientific | 2002 |
| R & S Cleaning Services Ltd | Other services | 2012 |
| R & S IT and Telecommunications Limited | Information & communication | 2011 |
| R K Rentals Ltd | Administrative & support | 2019 |
| R Paul Restoration Ltd | Construction | 2020 |
| R Pearman Construction Limited | Construction | 2022 |
| R S Motor Services Ltd | Wholesale & retail | 2017 |
| R S Trading (Europe) Limited | Professional & scientific | 2012 |
| R&A Beddings Ltd | Wholesale & retail | 2023 |
| R&C Builds Ltd | Construction | 2022 |
| R&G Global Ltd | Administrative & support | 2020 |
| R&N Saini Construction Limited | Construction | 2022 |
| R&O Radiology Ltd | Health & social care | 2017 |
| R&S Property London Ltd | Real estate | 2017 |
| R&V Builders Ltd | Construction | 2017 |
| R. C. & R. Ltd | Construction | 2016 |
| R.A.M.L. Construction Ltd | Construction | 2025 |
| R.C. Surfacing Co. Ltd | Construction | 2011 |
| R.O Railways Ltd | Construction | 2025 |
| R.O.Ketea Ltd | Construction | 2015 |
| R22 Group Ltd | Construction | 2025 |
| R6 Consultancy Limited | Professional & scientific | 2024 |
| RA Construction Networks Ltd | Construction | 2022 |
| RA Global Link Ltd | Real estate | 2020 |
| Raba Construction Limited | Construction | 2014 |
| RAD BIB Limited | Other services | 2016 |
| Rada HCW Ltd | Other services | 2014 |
| Radee Group Limited | Hospitality | 2024 |
| Radiant Ambitions CIC | Administrative & support | 2019 |
| Radiant Healthcare Solutions Limited | Public administration | 2019 |
| Radimax Building Solutions Ltd | Administrative & support | 2025 |
| Radionovs Ltd | Wholesale & retail | 2025 |
| Radixsolutions Technologies Ltd | Information & communication | 2026 |
| RAF Investments Ltd | Real estate | 2023 |
| Raftaar Ltd | Wholesale & retail | 2024 |
| Rafy Travel Ltd | Transport & logistics | 2016 |
| Raghavi Superstore Limited | Wholesale & retail | 2026 |
| Raging Bull Meat Snacks Ltd | Wholesale & retail | 2019 |
| Ragstocked Limited | Wholesale & retail | 2026 |
| Rahan Cafes Ltd | Hospitality | 2023 |
| Rahatworks Limited | Information & communication | 2024 |
| Rahmah Nest Limited | Education | 2025 |
| Rahman,S Brother Limited | Construction | 2024 |
| Rahmans Solutions Ltd | Administrative & support | 2024 |
| Rainbow Roof Ltd | Real estate | 2024 |
| Rainham Investments LLP | | 2023 |
| Raiq Ltd | Wholesale & retail | 2025 |
| RAJ & Ononto Limited | Professional & scientific | 2017 |
| RAJ Kumar Builders Ltd | Construction | 2025 |
| Raja Khaliq Sadqa Limited | Extraterritorial | 2021 |
| Rajith Car Sales Ltd | Wholesale & retail | 2025 |