| Phaneros Ltd | Administrative & support | 2023 |
| Phenab Ltd | Wholesale & retail | 2025 |
| Philenj Limited | Other services | 2016 |
| Phoenix Washroom Services Ltd | Water & waste | 2011 |
| Phreddy Ltd | Health & social care | 2022 |
| Pico Springs Limited | Agriculture & fishing | 2009 |
| Picture Patience Ltd | Professional & scientific | 2026 |
| Pinar Burger Van Limited | Hospitality | 2026 |
| Pivtrans Ltd | Transport & logistics | 2020 |
| PJ1200 Ltd | Professional & scientific | 2026 |
| Platinum Peak Holdings Ltd | Financial services | 2024 |
| Plovdeev Limited | Administrative & support | 2016 |
| PM Brightview Ltd | Administrative & support | 2026 |
| PMG Express Ltd | Transport & logistics | 2014 |
| PNT Consult Ltd | Information & communication | 2019 |
| Pocahontas Ltd | Transport & logistics | 2014 |
| Polag Services Limited | Manufacturing | 2020 |
| Polandia | Education | 2014 |
| Politiaki Ltd | Transport & logistics | 2022 |
| Polwicks Limited | Real estate | 2024 |
| Poolschools VC Ltd | Education | 2023 |
| Port of Tilbury London Limited | Transport & logistics | 1991 |
| POV Limited | Arts & recreation | 2024 |
| Preem Eatery Ltd | Hospitality | 2026 |
| Prefect Care Ltd | Health & social care | 2023 |
| Prem Indian Limited | Hospitality | 2024 |
| Preserve-Apps Limited | Wholesale & retail | 2022 |
| Primary Health Solutions Ltd | Wholesale & retail | 2016 |
| Primebuild Contractors Ltd | Construction | 2025 |
| Primeway Transport Ltd | Professional & scientific | 2026 |
| Printers Service Ltd | Wholesale & retail | 2017 |
| Pristine Cleaning Professionals Ltd | Administrative & support | 2025 |
| Pro Carrier Europe Limited | Transport & logistics | 2018 |
| Pro Carrier Limited | Transport & logistics | 2009 |
| Profix Build Ltd | Construction | 2026 |
| Properties Image Ltd | Real estate | 2024 |
| Property Developments (Tilbury) Ltd | Real estate | 2024 |
| Property SC Limited | Real estate | 2013 |
| Property Table Ltd | Real estate | 2024 |
| PTI Logistics Ltd | Wholesale & retail | 2023 |
| Pura ‘a’ Dore Ltd | Wholesale & retail | 2025 |
| Pureheat Underfloor Heating Ltd | Administrative & support | 2017 |
| PVH Ltd | Real estate | 2025 |
| PWR Consultancy Limited | Health & social care | 2021 |
| PWR Performance and Healthcare Limited | Arts & recreation | 2020 |
| Qmqa Limited | Construction | 2026 |
| Quality Inspection Services Inc Japan Limited | Professional & scientific | 2016 |
| Qube Contracts London Ltd | Construction | 2024 |
| R&A David Ltd | Transport & logistics | 2019 |
| R2 & PHC Group Ltd | Wholesale & retail | 2024 |
| R2 Group Ltd | Wholesale & retail | 2017 |
| Rabat Trading Ltd | Wholesale & retail | 2024 |
| Rabnik Ltd | Transport & logistics | 2013 |
| Rachem Holdings Limited | Real estate | 2024 |
| Radhu Limited | Wholesale & retail | 2025 |
| Rahnabert Limited | Health & social care | 2021 |
| RAIMIS77 Ltd | Transport & logistics | 2017 |
| Rainbows Care Limited | Administrative & support | 2016 |
| Rainbows Properties Ltd | Real estate | 2023 |
| Ranpha Ltd | Real estate | 2023 |
| Raul AC Trans Limited | Transport & logistics | 2015 |
| Raul Cata Ltd | Transport & logistics | 2020 |
| Rdhl Limited | Transport & logistics | 2026 |
| Real Living Estate Ltd | Real estate | 2023 |
| Real Pizza 1 Ltd | Hospitality | 2025 |
| Realmesh Ltd | Real estate | 2020 |
| Rebirth Fresh Space Ltd | Administrative & support | 2025 |
| Redeemed Christian Church of GOD Fruitful Land Tilbury | Other services | 2011 |
| Rednex Logistics Ltd | Transport & logistics | 2024 |
| Regal Manor Properties Ltd | Real estate | 2024 |
| REK4VERY Ltd | Health & social care | 2019 |
| Remis London Ltd | Construction | 2015 |
| Remix Logistics Limited | Transport & logistics | 2025 |
| Remus & Co Ltd | Transport & logistics | 2012 |
| Resource Group London Ltd | Wholesale & retail | 2019 |
| Rest in Scents Ltd | Manufacturing | 2026 |
| Restaurant Zani Ltd | Hospitality | 2017 |
| Revivo Property Ltd | Real estate | 2025 |
| Revtech Autos Ltd | Wholesale & retail | 2025 |
| Rexel Imports Limited | Wholesale & retail | 2018 |
| Rich Icon UK Ltd | Construction | 2011 |
| Ricks Group Ltd | Transport & logistics | 2025 |
| Ringu Limited | Real estate | 2022 |
| RM Installers Ltd | Construction | 2024 |
| RML Trans Ltd | Transport & logistics | 2020 |
| RMP Trans Limited | Transport & logistics | 2019 |
| Roanca Ltd | Transport & logistics | 2021 |
| Robosaka Ltd | Information & communication | 2021 |
| Rock&Rona Limited | Education | 2026 |
| Rocky Building Ltd | Construction | 2020 |
| Rollydammy Limited | Health & social care | 2014 |
| Roluc Logistics Ltd | Transport & logistics | 2023 |
| Romford Security Services Limited | Administrative & support | 2024 |
| Romkada Ltd | Professional & scientific | 2018 |
| Romteo Trans Ltd | Transport & logistics | 2018 |
| Roomi Properties Ltd | Real estate | 2022 |
| Rosagon Limited | Administrative & support | 2019 |
| Rowdy Enterprise Ltd | Administrative & support | 2026 |
| RR Mortgage Ltd | Financial services | 2024 |
| Rukus Social Care Solutions Ltd | Health & social care | 2026 |