| Pi-Care Staffing Ltd | Administrative & support | 2021 |
| PI2 Health Limited | Professional & scientific | 2009 |
| Piani Partners Ltd | Information & communication | 2014 |
| Piantenuggets Limited | Health & social care | 2024 |
| Piarla Limited | Manufacturing | 2026 |
| Pibh Source Ltd | Real estate | 2023 |
| PIC General Constructions Limited | Construction | 2023 |
| Pica Pica Films Ltd. | Information & communication | 2025 |
| Picador Developments Ltd | Construction | 2025 |
| Picaflor Limited | Professional & scientific | 2022 |
| Picalodge Limited | Households | 1985 |
| Picante Fish Bar Ltd | Hospitality | 2019 |
| Picante Hot Foods Ltd | Hospitality | 2025 |
| Picaro Records Limited | Information & communication | 2025 |
| Piccadilly Freeholders Limited | Households | 2020 |
| Piccadilly TAP Limited | Hospitality | 2014 |
| Piccolo & Partners Property Ltd | Real estate | 2025 |
| Piccolos (Long Ashton) Ltd | Hospitality | 2020 |
| Pick & PAY Retail Ltd | Wholesale & retail | 2026 |
| Pick a Meal Ltd | Hospitality | 2026 |
| Pick a Pizza Ltd | Hospitality | 2016 |
| Pick-A-Pizza Bristol Ltd | Hospitality | 2025 |
| Pick-Up Application Ltd | Information & communication | 2024 |
| Pickef Digitals Ltd | Information & communication | 2024 |
| Pickford Technical Services Ltd | Professional & scientific | 2023 |
| Pickle Builds Ltd | Construction | 2026 |
| Pickle Street Ltd | Arts & recreation | 2024 |
| Pickle Trading Limited | Financial services | 2026 |
| Pickleball World Pro Ltd | Wholesale & retail | 2024 |
| Pickled Image Ltd | Arts & recreation | 2005 |
| Pickled Image Theatre Limited | Education | 2006 |
| Pickled Seed Food & Drink Ltd | Hospitality | 2023 |
| Picklenash Grove Management Company Ltd | Households | 2019 |
| Pickles & Pickles Limited | Hospitality | 2018 |
| Pickles Properties Limited | Real estate | 2019 |
| Pickup Consulting Ltd | Professional & scientific | 2022 |
| Pickup Holdings Ltd. | Financial services | 1987 |
| Pickwick Hotel Limited | Hospitality | 2021 |
| Pickwick Place Residents Company Limited | Households | 1995 |
| Picnic Catering Limited | Hospitality | 2017 |
| Picnic Events Ltd | Hospitality | 2025 |
| Picnic Games Ltd | Information & communication | 2024 |
| Picnic in the Park (Bath) Limited | Hospitality | 2018 |
| Picnic Studio Tattoo Ltd | Arts & recreation | 2023 |
| Pico Projects Ltd | Professional & scientific | 2023 |
| Pico Store Ltd | Manufacturing | 2015 |
| Pico Works Ltd | Information & communication | 2025 |
| Picocom Technology Limited | Professional & scientific | 2018 |
| Pics Telecom International Limited | Wholesale & retail | 2004 |
| Picton House Management Ltd | Households | 2013 |
| Picton Management Limited | Households | 2005 |
| Picton Mews Management Limited | Households | 2014 |
| Picton Street 38 Management Company Limited | Extraterritorial | 2004 |
| Picture House Court Management Company Limited | Households | 2018 |
| Picture House Thornbury Ltd | Real estate | 2024 |
| Picture Imperfect Limited | Information & communication | 2015 |
| Pictures Internet Exchange Ltd | Information & communication | 2014 |
| PIE & Mash Creative Ltd | Manufacturing | 2014 |
| PIE Minister Charlton Road LLP | | 2012 |
| PIE Minister Holdings Limited | Manufacturing | 2020 |
| PIE Minister Kitchens Limited | Manufacturing | 2020 |
| PIE Minister Limited | Hospitality | 2003 |
| Pieceline Limited | Professional & scientific | 2002 |
| Pieminister Franchise Limited | Hospitality | 2006 |
| Pierce Lady Property Services Limited | Real estate | 2002 |
| Pierced UP Body Piercing and Tattoos Limited | Other services | 2019 |
| Pierrot Care Limited | Health & social care | 2015 |
| Piers Dixon Garden Design Limited | Administrative & support | 2025 |
| Pies & Puds Limited | Hospitality | 2016 |
| Pietra Masonry Design Limited | Professional & scientific | 2017 |
| PIG in the Middle Ltd | Manufacturing | 2024 |
| Pig's Pizzas Ltd | Hospitality | 2023 |
| Pigeonhole Early Years Limited | Professional & scientific | 2025 |
| Piggleshouse Limited | Wholesale & retail | 2019 |
| Pigment Consulting Limited | Administrative & support | 2020 |
| Pigrem Design Ltd | Professional & scientific | 2007 |
| Pigsty Cargo Limited | Hospitality | 2014 |
| Pigsty Gloucester Road Limited | Hospitality | 2017 |
| Pigsty Restaurants Limited | Hospitality | 2017 |
| Pigtails Hair Studio Limited | Other services | 2013 |
| Pikamy Ltd | Information & communication | 2025 |
| Pilakis Holdings Ltd | Construction | 2025 |
| Pilara Studio Ltd | Education | 2025 |
| Pilates Foundation | Other services | 1996 |
| PILATES7 LLP | | 2014 |
| Pilatrans Ltd | Transport & logistics | 2015 |
| Piliris Ltd | Transport & logistics | 2024 |
| Pilkington Worldwide Ltd | Wholesale & retail | 2023 |
| Pill Community Foundation | Information & communication | 2002 |
| Pill IT Ltd | Construction | 2025 |
| Pill Time Limited | Health & social care | 2016 |
| Pill Village Hall and Community Centre Limited | Other services | 2009 |
| Pillai Food Ltd | Hospitality | 2026 |
| Pilland Properties Ltd | Real estate | 2008 |
| Pillar Land Securities (Collaton Park) Limited | Construction | 2020 |
| Pillar Land Securities (South Brent) Limited | Construction | 2022 |
| Pilling & Co. Property Ltd | Real estate | 2025 |
| Pilling Ventures Ltd | Professional & scientific | 2025 |
| Pilning Bites Limited | Hospitality | 2024 |
| Pilning Garage Limited | Professional & scientific | 2003 |