| Premier Kits UK Ltd | Wholesale & retail | 2024 |
| Premier League Decorators Ltd | Construction | 2021 |
| Premier Mini Skip Hire Ltd | Water & waste | 2023 |
| Premier Project Management Services Limited | Professional & scientific | 1998 |
| Premier Signs & Wraps Ltd | Professional & scientific | 2023 |
| Premier Solutions Procurement Services Limited | Wholesale & retail | 2014 |
| Premier VIP Solutions Limited | Information & communication | 2018 |
| Premiere Holdings Limited | Professional & scientific | 2005 |
| Premiere Optical Services (Properties) Limited | Real estate | 1977 |
| Premiere Optical Services Co. Limited | Manufacturing | 2005 |
| Premiere Vision Ltd | Professional & scientific | 1984 |
| Premise Property Services Limited | Real estate | 2022 |
| Premium Health Pro Limited | Administrative & support | 2024 |
| Premium Padel Alpha Ltd | Arts & recreation | 2026 |
| Premium Padel Bravo Ltd | Arts & recreation | 2026 |
| Premium Padel Charlie Ltd | Arts & recreation | 2026 |
| Premium Padel Ltd | Arts & recreation | 2025 |
| Premium Temp Ltd | Administrative & support | 2023 |
| Premium Unity Support Ltd | Administrative & support | 2025 |
| PREP4CARE Limited | Administrative & support | 2020 |
| Presents & Possibilities Ltd | Wholesale & retail | 2025 |
| Pressi Gift Giving Instantly Ltd. | Wholesale & retail | 2013 |
| Pressi Limited | Real estate | 2007 |
| Prested Real Tennis Club | Arts & recreation | 2023 |
| Prestige Advertising Ltd | Wholesale & retail | 2022 |
| Prestige Automotive Valeting Limited | Administrative & support | 2023 |
| Prestige Motor Centre Ltd | Wholesale & retail | 2026 |
| Prestige Rennovations Ltd | Construction | 2026 |
| Prettyfields Vineyard Limited | Wholesale & retail | 2019 |
| Prettygate Ltd | Wholesale & retail | 2013 |
| Prettygate Property Services Ltd | Administrative & support | 2026 |
| Prettygood IT Limited | Information & communication | 2005 |
| Pri-Med Group Limited | Extraterritorial | 2015 |
| Pride Escapes Ltd | Professional & scientific | 2023 |
| Prima Tooling Limited | Professional & scientific | 2012 |
| Primate Games Limited | Manufacturing | 2021 |
| Primavera People Limited | Education | 2015 |
| Prime Colour Decorators Limited | Construction | 2009 |
| Prime Decor Ltd | Construction | 2025 |
| Prime E Axis Trading & Distribution Ltd | Wholesale & retail | 2025 |
| Prime Facilities & Maintenance Group Ltd | Construction | 2026 |
| Prime Impact Events & Media Ltd | Administrative & support | 1996 |
| Prime Land & Development Limited | Real estate | 2024 |
| Prime Land and Development (Bakers Lane) Ltd | Real estate | 2024 |
| Prime Land and Development (Plantation Road) Limited | Real estate | 2024 |
| Prime Land and Development (White Horse) Limited | Real estate | 2024 |
| Prime Marketing and Business Solutions Limited | Professional & scientific | 2013 |
| Prime Portraits (UK) Limited | Professional & scientific | 2007 |
| Prime Star Shop Limited | Administrative & support | 2020 |
| Prime Wealth Capital Limited | Financial services | 2017 |
| Primeheat & Plumbing Ltd | Construction | 2026 |
| Primeprintsuk Limited | Wholesale & retail | 2021 |
| Primerecord Trade Services Ltd | Professional & scientific | 2023 |
| Primestart Cleaning Ltd | Administrative & support | 2025 |
| Primestay Property Limited | Hospitality | 2023 |
| Primo Coffee and Tea Limited | Manufacturing | 2016 |
| Primrose Brick Limited | Professional & scientific | 2005 |
| Primus Financial Solutions (East Anglia) Limited | Financial services | 2014 |
| Princeton Mews (Highwoods) Management Company Limited | Households | 1985 |
| Principal Office Supplies Ltd | Wholesale & retail | 2011 |
| Principle Contractor Limited | Construction | 2019 |
| Print Installation Ltd | Other services | 2018 |
| Print Solid Ltd | Manufacturing | 2020 |
| Print Traffic Ltd | Manufacturing | 2018 |
| Prioritise Your Property Ltd | Real estate | 2022 |
| Priory Court (Colchester) Management Limited | Households | 2008 |
| Priory Court Associates Ltd. | Households | 2003 |
| Priory Estates (Essex) Limited | Real estate | 2004 |
| Priory Estates Investments Ltd | Real estate | 2012 |
| Priory Farm Products Limited | Real estate | 2024 |
| Priory Grove (Colchester) Management Company Limited | Households | 1991 |
| Priory Hall Farm Lettings Limited | Real estate | 2025 |
| Priory Lodge Care Home Ltd | Health & social care | 2024 |
| Priory Translations Ltd | Administrative & support | 1999 |
| Prioryoak Limited | Households | 1984 |
| Prism Consultancy Services Group Ltd | Information & communication | 2024 |
| Prismiq Ltd | Information & communication | 2026 |
| Pritchard Spray IP Limited | Administrative & support | 2015 |
| Pritchard Spray Technology Limited | Administrative & support | 2009 |
| Private Office Solutions Limited | Professional & scientific | 2011 |
| Private Practice Specialists Ltd | Education | 2026 |
| Private Wealth Placements Ltd | Administrative & support | 2013 |
| Privxchange Limited | Administrative & support | 2017 |
| Priyum Ltd | Manufacturing | 2023 |
| Prizeology Limited | Administrative & support | 2017 |
| Prmedics Ltd | Health & social care | 2015 |
| PRN Media Group Limited | Information & communication | 2001 |
| Pro Duct Clean UK Limited | Administrative & support | 2018 |
| Pro Grid Engineering Ltd | Construction | 2026 |
| Pro Gym Solutions Ltd | Manufacturing | 2020 |
| Pro Nurse Aesthetics Ltd | Other services | 2025 |
| Pro PC Solutions Ltd. | Wholesale & retail | 2017 |
| Pro Tax Accounting Limited | Professional & scientific | 2017 |
| Pro Tech Electrical (Essex) Limited | Construction | 2015 |
| Pro-Fit Flat Roofing Ltd | Extraterritorial | 2013 |
| Pro-Gressive Holdings 00 Ltd | Financial services | 2024 |
| Pro-Jet Pressure Cleaning Services Ltd | Administrative & support | 2023 |
| Pro-Mac Surfacing Limited | Construction | 2000 |
| Pro-Motion Personal Training Limited | Arts & recreation | 2002 |
| Pro-Race Engineering Ltd | Wholesale & retail | 2016 |