| Onyx Autobodys Limited | Wholesale & retail | 2020 |
| Onyx Bar and Restaurant Ltd | Hospitality | 2018 |
| Onyx Care UK Limited | Wholesale & retail | 2016 |
| Ooankaar Kirpa Ltd | Construction | 2018 |
| Open Pulse Ltd | Information & communication | 2024 |
| Opera Estate Ltd | Real estate | 2023 |
| Opportunity Nexus CIC | Administrative & support | 2025 |
| Optimus Foods and Beverages Ltd | Manufacturing | 2025 |
| Opulent Aura Ltd | Wholesale & retail | 2025 |
| Oracle Business Solutions UK Ltd | Wholesale & retail | 2006 |
| Orakeel Limited | Wholesale & retail | 2025 |
| Orange Corners Limited | Information & communication | 2025 |
| Organic and ME Limited | Wholesale & retail | 2016 |
| Original Steel Services Limited | Manufacturing | 2004 |
| Orion Properties (Midlands) Ltd | Real estate | 2022 |
| Orivonx UK Limited | Wholesale & retail | 2025 |
| Ornate Property Ltd | Hospitality | 2022 |
| ORS Midlands Ltd | Construction | 2020 |
| Oryxon Ltd | Information & communication | 2026 |
| OS Fitness Ltd | Education | 2019 |
| OUR Payroll Ltd | Professional & scientific | 2012 |
| OUT of the Box Dessert Ltd | Manufacturing | 2020 |
| Outlook Menswear Ltd | Wholesale & retail | 2006 |
| Outsourced Logistics Limited | Administrative & support | 2020 |
| Outsourced People Group Ltd | Administrative & support | 2020 |
| Overseas Training UK Ltd | Professional & scientific | 2022 |
| P & B Gora Limited | Administrative & support | 1989 |
| P & C Construction Ltd | Construction | 2026 |
| P & D Breeding & Racing Stud Limited | Agriculture & fishing | 2016 |
| P & H Fabrications Limited | Manufacturing | 2013 |
| P & M Exports Imports Ltd | Wholesale & retail | 2018 |
| P Bains Transportation Ltd | Transport & logistics | 2023 |
| P K Logistics B'Ham Ltd | Transport & logistics | 2016 |
| P&G Caravans Ltd | Real estate | 2025 |
| P&M Sons Ltd | Real estate | 2025 |
| P&T Developments Ltd | Construction | 2025 |
| P'Tit Affair Ltd | Manufacturing | 2024 |
| P. Forker Plant Hire Limited | Administrative & support | 1977 |
| P.K. Engineering (West Bromwich) Limited | Manufacturing | 1993 |
| P.M.A EMP Ltd | Professional & scientific | 2021 |
| P.M.A. Logistics Limited | Transport & logistics | 2004 |
| P.N.M. Investments Limited | Administrative & support | 2006 |
| P5 Courier Ltd | Transport & logistics | 2023 |
| Pacmo Services Ltd | Transport & logistics | 2025 |
| Padda and Daughters Limited | Wholesale & retail | 2018 |
| Padda Property Development Ltd | Real estate | 2024 |
| PAG Contracts Ltd | Professional & scientific | 2019 |
| Page Castor Limited | Manufacturing | 1980 |
| Pakistan Delivery Services Ltd | Transport & logistics | 2026 |
| Pakshaulier Ltd | Transport & logistics | 2025 |
| Panaser Motors Ltd | Wholesale & retail | 2022 |
| Panda Alley Ltd | Wholesale & retail | 2025 |
| Panda Cleaning Service Ltd | Administrative & support | 2026 |
| Panjab Broadcasting Channel Ltd | Information & communication | 2023 |
| Panjaban Limited | Wholesale & retail | 2025 |
| Pannu Trading Ltd | Transport & logistics | 2025 |
| Panther Intelligent Home Solutions Limited | Construction | 2006 |
| Papa G'Es Wholesale Limited | Hospitality | 2020 |
| Paper Smart UK Ltd | Manufacturing | 2018 |
| Paradise Bar Ltd | Hospitality | 2019 |
| Paragon Rides Limited | Transport & logistics | 2024 |
| Parambz Limited | Construction | 2024 |
| Paramount Foster Care Ltd | Health & social care | 2017 |
| Paratha Express (Midland) Ltd | Hospitality | 2021 |
| Paratha Express Ltd | Hospitality | 2019 |
| Pard's Properties Limited | Real estate | 2025 |
| Pardeep Trackers Ltd | Transport & logistics | 2025 |
| Pardhan Transport Ltd | Transport & logistics | 2021 |
| Pargat & Co Limited | Manufacturing | 1987 |
| Pargat Holding Limited | Professional & scientific | 2017 |
| Pargat Property Limited | Real estate | 2017 |
| Park Lane Merc Specialist Ltd | Wholesale & retail | 2025 |
| Parker Maintenance Services UK Limited | Manufacturing | 2025 |
| Parmar Asset Management Ltd | Financial services | 2023 |
| Parmar Estates Midlands Ltd | Real estate | 2019 |
| Parmar UK Holdings Ltd | Financial services | 2021 |
| Part Shop UK Limited | Wholesale & retail | 2013 |
| Parteek BAL Haulage Ltd | Transport & logistics | 2023 |
| Parthee Ganapathi Store Ltd | Wholesale & retail | 2022 |
| Partners in Logistics UK Ltd | Transport & logistics | 2021 |
| Pasha Accountancy Ltd | Professional & scientific | 2015 |
| Patel & Masaun Limited | Real estate | 2016 |
| Patrick Celsy Ltd | Transport & logistics | 2025 |
| Patriotic Logistics Ltd | Transport & logistics | 2024 |
| Paul Investments Ltd | Real estate | 2025 |
| Paul Traders Limited | Wholesale & retail | 2017 |
| PAW Pals Ltd | Wholesale & retail | 2024 |
| Pawana Medical Ltd | Wholesale & retail | 2025 |
| Payroll Efficient Ltd | Administrative & support | 2021 |
| PB2GB Ltd | Transport & logistics | 2024 |
| PBX U.K. Ltd | Transport & logistics | 2023 |
| PC First Ltd | Wholesale & retail | 2005 |
| Peaky Breakers Ltd | Wholesale & retail | 2019 |
| Pearl of Bengal Balti Takeaway Ltd | Hospitality | 2020 |
| Peckwood Limited | Health & social care | 2025 |
| Pekes Boutique Ltd | Wholesale & retail | 2026 |
| Peniel Achievers Ltd | Information & communication | 2022 |
| Perfect Fit Shop Front Ltd | Manufacturing | 2025 |
| Perfect Glazing Limited | Construction | 2024 |
| Perfectfit Interiors Ltd | Manufacturing | 2024 |