| Process and Growth Consulting Ltd | Professional & scientific | 2024 |
| Prodiggy UK. Limited | Real estate | 2013 |
| Professional Hair and Beauty Academy Ltd | Education | 2022 |
| Profile Signs Limited | Professional & scientific | 2017 |
| Progem Limited | Information & communication | 2023 |
| Prohouse Construction Ltd | Construction | 2022 |
| Project X Trading Limited | Information & communication | 2025 |
| Projects Plus Ltd | Professional & scientific | 2025 |
| Proper Meals Limited | Hospitality | 2017 |
| Propertibox Ltd | Real estate | 2017 |
| Property Fine Art Ltd | Households | 2024 |
| Property Maintenance Group (South East) Ltd | Water & waste | 2023 |
| Property Management Holdings Limited | Real estate | 2023 |
| Property Renovation Solutions Limited | Construction | 2022 |
| Protea JO Limited | Hospitality | 2021 |
| Protech Wonders Ltd | Construction | 2024 |
| Provox Ltd | Arts & recreation | 2014 |
| PTS Plant Ltd | Wholesale & retail | 2019 |
| Pull UP International Management LLP | | 2015 |
| Pullman Freight Limited | Transport & logistics | 2000 |
| Pullmore Limited | Construction | 2025 |
| Pulse Construction Limited | Extraterritorial | 2009 |
| Pumpkins Day Nursery Limited | Health & social care | 2024 |
| PUNCHING4PURPOSE Ltd | Education | 2025 |
| Puralife Vending Ltd | Water & waste | 2025 |
| Puralife Water Filters Ltd | Water & waste | 2023 |
| Puralife Water Ltd | Water & waste | 2025 |
| Pure Energy Supply Group Ltd | Professional & scientific | 2024 |
| Pure Flux Energy Ltd | Construction | 2026 |
| Pure Physique Limited | Arts & recreation | 2015 |
| Purple Construction Works Ltd | Construction | 2024 |
| Purple Fortress Limited | Information & communication | 2025 |
| Purple Plumbing Ltd | Construction | 2019 |
| Pushfwd Ltd | Arts & recreation | 2009 |
| PW Property Developments Ltd | Real estate | 2025 |
| PWL Consultancy Limited | Construction | 2024 |
| Pyramid Boxing Limited | Arts & recreation | 2020 |
| Qasid Ltd | Professional & scientific | 2019 |
| Qualitas ICS Ltd | Professional & scientific | 2026 |
| Quality Assurance (London) Ltd | Professional & scientific | 2013 |
| Quality Kleen Exteriors Ltd | Administrative & support | 2025 |
| Quark Solution Ltd | Information & communication | 2021 |
| Quart POT Management Limited | Hospitality | 2026 |
| Queen Bee's Day Nursery Ltd | Education | 2013 |
| Queen Bee's Maintenance Ltd | Administrative & support | 2022 |
| Queen Bee's PRE School Ltd | Health & social care | 2022 |
| Queen Bee’S OUT of School Care Ltd | Health & social care | 2022 |
| Quiche Media Ltd | Professional & scientific | 2020 |
| Quick Roofs and Building Services Ltd | Construction | 2020 |
| Qvee Limited | Wholesale & retail | 2020 |
| R & a Flooring Limited | Construction | 2014 |
| R & C Investment Properties Limited | Real estate | 2022 |
| R & D Cole(Surface Coating Technicians)Limited | Construction | 2006 |
| R & D Paving & Landscapes Limited | Administrative & support | 2019 |
| R a Alexander Ltd | Real estate | 2013 |
| R B L Scaffolding Limited | Construction | 2018 |
| R Concepts Ltd | Other services | 2017 |
| R Daley Building Services Limited | Administrative & support | 2019 |
| R Davies Estates Ltd | Real estate | 2024 |
| R F Print & Design Limited | Manufacturing | 2014 |
| R G Carpentry & Construction Ltd | Construction | 2021 |
| R G Property & Development Ltd | Real estate | 2021 |
| R J a Building & Maintenance Limited | Construction | 2018 |
| R J L Contracts Limited | Real estate | 2008 |
| R Longlade Property Services Limited | Administrative & support | 2012 |
| R Power Solutions Ltd | Construction | 2022 |
| R S J Homes Limited | Real estate | 2007 |
| R Sullivan and Sons Ltd | Construction | 2015 |
| R W Mouldings Limited | Construction | 2018 |
| R Y H Properties Limited | Real estate | 2018 |
| R&D Global Ltd | Information & communication | 2024 |
| R&H Consultants Limited | Professional & scientific | 2023 |
| R. G. Farriers Limited | Other services | 2010 |
| R. Oak Landscapes Ltd | Administrative & support | 2025 |
| R. P. Minks Financial Services Limited | Financial services | 2004 |
| R. V. Boughtwood Limited | Construction | 2003 |
| R.A.Watts & Daughters Limited | Construction | 2004 |
| R.Pile Engineering Limited | Wholesale & retail | 2013 |
| R.S.J.Finance Co.,Limited | Real estate | 1955 |
| R.W. Carpenters Limited | Construction | 1991 |
| R.W. Property Developments Limited | Construction | 2016 |
| Radius 360 Limited | Education | 1998 |
| Raedan Communications Limited | Professional & scientific | 2022 |
| Ragnet Communications Ltd | Information & communication | 2004 |
| Rainwater Harvesting Essex Ltd | Wholesale & retail | 2025 |
| Ralphy and Co Limited | Wholesale & retail | 2025 |
| Rameses Technologies Limited | Information & communication | 2003 |
| Rams Maintenance Limited | Construction | 2018 |
| Ramsden Motors (Essex) Limited | Wholesale & retail | 2005 |
| Ranalah Limited | Professional & scientific | 2021 |
| Randsgate Ltd | Professional & scientific | 2022 |
| Rankin Investments Limited | Professional & scientific | 1960 |
| Rapid Logistics Cumbria Ltd | Transport & logistics | 2020 |
| Rapid Transport Essex Ltd | Transport & logistics | 2019 |
| Rashzar Limited | Wholesale & retail | 2024 |
| Ravenhill Restoration Ltd | Construction | 2016 |
| RAW - Transport Compliance Specialists Ltd | Professional & scientific | 2019 |
| RAY Mckay Properties Limited | Construction | 1984 |
| Raydeck Limited | Administrative & support | 2010 |
| Rayleigh Building Supplies Limited | Extraterritorial | 2014 |