| Omushana Sunshine for Children UK Ltd. | Wholesale & retail | 2026 |
| ON Point Technology Limited | Professional & scientific | 2021 |
| One Source Orchestration (OSO) Limited | Information & communication | 2025 |
| One Source Orchestration Limited | Information & communication | 2025 |
| Optimisemyai Ltd | Information & communication | 2026 |
| Orbro Pools Limited | Construction | 2007 |
| Organizational Space Limited | Professional & scientific | 2003 |
| OUT IS in Limited | Administrative & support | 2011 |
| Oven Rescue Franchise Ltd. | Administrative & support | 2010 |
| Oyin O Limited | Health & social care | 2023 |
| P&B Allen Ltd | Construction | 2022 |
| P&C Maintenance Limited | Administrative & support | 2025 |
| P.Nugent Groundworks Ltd | Construction | 2020 |
| PAC Welding Limited | Manufacturing | 2011 |
| Pacer Technology Ltd | Manufacturing | 2024 |
| Page Bathrooms Ltd | Construction | 2023 |
| Page Builders Ltd | Construction | 2025 |
| Page Construction Ltd | Construction | 2025 |
| Pair Digital Limited | Information & communication | 2009 |
| Paragane Ltd | Administrative & support | 2025 |
| Parham Park Limited | Arts & recreation | 1978 |
| Parkside Interiors Limited | Professional & scientific | 2013 |
| Partridge Properties Limited | Real estate | 2004 |
| Pattie Art Creations Limited | Arts & recreation | 2021 |
| Paul Anderson Property Services Ltd | Real estate | 2026 |
| Paul Fold (Diamond Drilling) Ltd | Construction | 2011 |
| Paul Roberts Sporting Limited | Administrative & support | 1980 |
| Paulsimon Partnership Limited | Administrative & support | 2009 |
| PEA Souper Productions Ltd | Information & communication | 2020 |
| Peace & Paws Ltd | Other services | 2025 |
| Pegasus Aviation Training Ltd | Professional & scientific | 2016 |
| Penhill Lodge Freehold Limited | Real estate | 2024 |
| Pepperbrook Properties Limited | Real estate | 2024 |
| Personalise My Ltd | Extraterritorial | 2015 |
| Pet Customs UK Ltd | Other services | 2025 |
| Peter Marshall Limited | Construction | 2010 |
| Peter Rabbit Nursery Limited | Education | 2016 |
| PGT Group Limited | Real estate | 2022 |
| Pheonix Housing Solutions (South) Ltd | Real estate | 2025 |
| Phoenix Nest Ltd | Construction | 2017 |
| Photon Technology International, Inc. | | 1987 |
| Pilot Design & Advertising Limited | Administrative & support | 2004 |
| Pinnacle Sales Consultancy Ltd | Professional & scientific | 2015 |
| Pipetech Environmental Systems Limited | Wholesale & retail | 2010 |
| Platinum Safety Management Limited | Professional & scientific | 2008 |
| PLC Studios Ltd | Wholesale & retail | 2026 |
| Plgjf Properties Limited | Real estate | 2025 |
| PLS Hard Consulting Limited | Health & social care | 2002 |
| PMH Management Services Limited | Professional & scientific | 2006 |
| PNW IT Projects Ltd | Information & communication | 2020 |
| Podiatry Services (Sussex) Limited | Health & social care | 2006 |
| Poetics Media & Management Limited | Arts & recreation | 2021 |
| Point Zero Templating Limited | Professional & scientific | 2025 |
| Pokehouse TCG Ltd | Wholesale & retail | 2026 |
| Polaris Flux Limited | Information & communication | 2017 |
| Poplar Land Company Limited | Real estate | 2006 |
| Powis Bartholomews Limited | Financial services | 2024 |
| Premier Car Hotel Ltd | Transport & logistics | 2019 |
| Premier GT CLUB44 Ltd | Administrative & support | 2019 |
| Premium Incentives Limited | Administrative & support | 1992 |
| Private JET Retail Limited | Wholesale & retail | 2020 |
| Privia Ltd | Information & communication | 2019 |
| Pro AGA Services Limited | Construction | 2015 |
| Prodem Global Limited | Wholesale & retail | 2014 |
| Project Hougoumont Limited | Construction | 2009 |
| Promocan Limited | Administrative & support | 2002 |
| Proportico Limited | Extraterritorial | 2004 |
| Proshine G&M Ltd | Wholesale & retail | 2024 |
| Protect E-Mtb Ltd | Wholesale & retail | 2021 |
| Pulborough Community Partnership Limited | Other services | 2011 |
| Pulborough Essence Ltd | Hospitality | 2021 |
| Pulborough Osteopathic Clinic Limited | Health & social care | 2013 |
| Pulborough Paddles Limited | Arts & recreation | 2022 |
| Pulborough Podiatry Limited | Health & social care | 2015 |
| Pulborough Post Limited | Information & communication | 2026 |
| Punchbowl Capital Limited | Professional & scientific | 2024 |
| Purair Ventilation Ltd | Construction | 2026 |
| Purple Star Holdings Limited | Financial services | 2026 |
| PYM Holdings Network Limited | Professional & scientific | 2012 |
| Quantum Racing Services Limited | Manufacturing | 1993 |
| Quell Farm Workshop Ltd | Manufacturing | 2023 |
| Quernsre LLP | | 2007 |
| Quest Events Ltd | Hospitality | 2020 |
| R-Pantheons Ltd | Agriculture & fishing | 2023 |
| R.T.Design & Build Ltd | Construction | 2010 |
| Rackham Street Management Company Limited | Administrative & support | 2009 |
| Rafflo Holdings Ltd | Real estate | 2022 |
| Rainbow Building Plumbing & Electrical Services Ltd | Construction | 2025 |
| Ramus Property Group Ltd | Real estate | 2024 |
| Random Hare Limited | Construction | 2015 |
| Rapidbulb Limited | Real estate | 2006 |
| Rasib Hussain Ltd | Hospitality | 2022 |
| Rathblane Property Ltd | Real estate | 2018 |
| Rawlinson Holdings Ltd | Wholesale & retail | 2023 |
| RBX Consulting & Services Limited | Wholesale & retail | 2024 |
| RC Sonography Limited | Health & social care | 2023 |
| Ready Steady Camper Ltd | Wholesale & retail | 2023 |
| Reckless Edge Productions Limited | Information & communication | 2002 |
| Reclamation Living Limited | Wholesale & retail | 2026 |
| Reconnaissance Heritage Flight Ltd | Transport & logistics | 2023 |