| Parkcrown Property Management Ltd | Real estate | 2002 |
| Parker Property Law Limited | Professional & scientific | 2025 |
| Parkhead Fixing Limited | Construction | 1997 |
| Parkland Manor Management Company Limited | Households | 1992 |
| Parklands Bournemouth Limited | Households | 2006 |
| Parks Plumbing & Heating Limited | Construction | 2014 |
| Parksgate Ltd | Water & waste | 2013 |
| Parkside Auto Group Ltd | Wholesale & retail | 2026 |
| Parkside Court (Parkstone) Limited | Households | 1961 |
| Parkstone Commercials Limited | Wholesale & retail | 2022 |
| Parkstone Court Parkstone Limited | Households | 1989 |
| Parkstone Road Management Company Limited | Households | 2004 |
| Parkview (Poole) Management Company Limited | Households | 1969 |
| Parkview Grove Management Company (Weymouth) Limited | Households | 2018 |
| Parkway Mortgages Limited | Financial services | 2008 |
| Parkwood Convenience Ltd | Wholesale & retail | 2022 |
| Parkwood Freehold Limited | Households | 2017 |
| Parkwood Road (NO 45) Limited | Households | 2004 |
| Parkwood Road Management Company Limited | Households | 2010 |
| Parkwood Road Property Management Limited | Real estate | 2024 |
| Parkwood Style Limited | Wholesale & retail | 2003 |
| Parlez Vous Francais OU Anglais. Ltd | Administrative & support | 2025 |
| Parlourmentary Ltd | Manufacturing | 2019 |
| Parma Lounge Ltd | Hospitality | 2023 |
| Parmore Golf Limited | Wholesale & retail | 2024 |
| Parnell Connections Ltd | Real estate | 2022 |
| Parnia ENG Limited | Professional & scientific | 2022 |
| Parone Limited | Real estate | 2018 |
| Parr Street Management Company Limited | Households | 1986 |
| Parretts Hospitality Limited | Hospitality | 2024 |
| Pars A&A Ltd | Real estate | 2022 |
| Pars Installation Limited | Construction | 2015 |
| Parsnip Property Ltd | Real estate | 2026 |
| Parsonage Court Freehold Limited | Households | 1999 |
| Parsons Aspirations Ltd | Professional & scientific | 2023 |
| Parsons Coffee Limited | Hospitality | 2024 |
| Parthenopea Ltd | Real estate | 2026 |
| Party Boutique Events Ltd | Other services | 2023 |
| Pasha Hair Ltd | Other services | 2026 |
| Passenger Technology Group Limited | Information & communication | 2015 |
| Passive Profit Ltd | Education | 2022 |
| Pastels Sweets Ltd | Other services | 2021 |
| Patchins (Sandbanks) Residents Association Limited (the) | Households | 1972 |
| Patent Coordination Limited | Professional & scientific | 2025 |
| Pathfinder Invoice Finance Ltd | Financial services | 2023 |
| Pathway Development Centre UK Ltd | Education | 2023 |
| Pathway for Success Ltd | Administrative & support | 2010 |
| Pathways for ALL People | Other services | 2014 |
| Patomanna Limited | Professional & scientific | 2007 |
| Patricia Frank Ltd | Real estate | 2019 |
| Paul a Davies Ltd | Professional & scientific | 2017 |
| Paul Barrow Solutions Ltd | Professional & scientific | 2018 |
| Paul Barton Cinematography Limited | Information & communication | 2013 |
| Paul Biggs Ltd | Construction | 2017 |
| Paul Cooper (UK) Limited | Financial services | 2012 |
| Paul Doherty Property Ltd | Real estate | 2014 |
| Paul Duncalf Financial Planning Ltd | Financial services | 2012 |
| Paul Hicks Properties Ltd | Real estate | 2022 |
| Paul Jolley Technical Services Limited | Professional & scientific | 2026 |
| Paul Kidby Art Ltd | Arts & recreation | 2019 |
| Paul Lavery Catering Ltd | Hospitality | 2017 |
| Paul Matthew Homes Limited | Real estate | 2016 |
| Paul POW Flooring Limited | Wholesale & retail | 2008 |
| Paul Scadding Ltd | Professional & scientific | 2013 |
| Paul Scates Limited | Public administration | 2025 |
| Paul Shop 2 Ltd | Wholesale & retail | 2025 |
| Paul Smith Consultancy Services Limited | Administrative & support | 2017 |
| Paul's Driving School Ltd | Education | 2025 |
| Pause Support Ltd | Hospitality | 2023 |
| Pavec Electrical Services Limited | Construction | 2006 |
| Pavewell Limited | Real estate | 1987 |
| Pavfix Services Ltd | Construction | 2023 |
| Pavilion Dance South West Limited | Arts & recreation | 1996 |
| Pavilion Investments Limited | Real estate | 1994 |
| PAW Logistic Ltd | Transport & logistics | 2026 |
| Pawel S Transport Ltd | Transport & logistics | 2023 |
| Pawfectly Ltd | Other services | 2023 |
| Pawseidon Community Hub CIC | Other services | 2024 |
| Pawseidon K9 Care Limited | Other services | 2023 |
| Pawsup International CIC | Professional & scientific | 2025 |
| PAX Animi Wealth Ltd | Financial services | 2022 |
| Paxan Limited | Information & communication | 2019 |
| PAY AS U Go Websites Ltd | Information & communication | 2009 |
| Payem Ltd | Professional & scientific | 2017 |
| Payne Holdings Ltd | Financial services | 2017 |
| Payresolved Ltd | Administrative & support | 2017 |
| PB Bournemouth Limited | Hospitality | 2026 |
| Pbsj Consulting Limited | Information & communication | 2006 |
| PC Centre Ltd | Wholesale & retail | 2024 |
| PC Gaming Arena Ltd | Arts & recreation | 2018 |
| Pche Cleaning & Maintenance Ltd | Professional & scientific | 2019 |
| PCN Composites Ltd | Manufacturing | 2014 |
| PCOOK7057 Limited | Hospitality | 2026 |
| PCS Builders Ltd | Construction | 2013 |
| Pcwb Ltd | Administrative & support | 2014 |
| PD07 Ltd | Wholesale & retail | 2025 |
| PDM Software Limited | Information & communication | 1998 |
| PDS Network Ltd | Professional & scientific | 2026 |
| Pdtn Ltd | Education | 2026 |
| Peaceful Homes Limited | Real estate | 2022 |