| Presidents Court Limited | Professional & scientific | 2006 |
| Preston Lane (Lyneham) Management Company Limited | Households | 2011 |
| Priestley House Management Company Limited | Households | 2020 |
| Prime Project Management & Consultancy Ltd | Professional & scientific | 2023 |
| Prince's Quay (Bermondsey) Property Management Company Limited | Households | 1994 |
| Princeton Management Company (Chatsworth) Limited | Households | 2007 |
| Printworks Capital Ltd | Real estate | 2007 |
| Priory Court Cheam Residents Association Limited | Households | 1998 |
| Priory Fields (Plympton) Management Limited | Households | 2018 |
| Priory Green (Chilton Polden) Management Company Limited | Households | 2021 |
| Priory Green (Pinhoe) Residents Company Limited | Households | 1992 |
| Priory Park (Milton Keynes) Management Company Limited | Households | 2006 |
| Priory Street Management Co. Limited | Professional & scientific | 1988 |
| Priory Walk Exeter Management Company Limited | Households | 2010 |
| Prisma Office Limited | Information & communication | 1991 |
| Private Press Publishing L.P. | | 2014 |
| Pro Ball Ltd | Manufacturing | 2018 |
| Pro-Core Golf Ltd | Arts & recreation | 2013 |
| Pro-Core Technologies Ltd | Professional & scientific | 2013 |
| Probuild Hot Rods and Customs Ltd | Construction | 2026 |
| Propello Estates Ltd | Real estate | 2025 |
| Property Elevator Ltd | Real estate | 2015 |
| Prospect Farm (ASH) Resident Management Company Limited | Households | 1994 |
| Prospect House (Hallsands) Management Company Limited | Households | 2008 |
| Prospect Point Limited | Professional & scientific | 1996 |
| Prosperocard Limited | Professional & scientific | 2008 |
| Prosperoclub Limited | Professional & scientific | 2012 |
| Prosperostore Ltd | Professional & scientific | 2009 |
| Psychedelic Spiritus Ltd | Health & social care | 2024 |
| Pure Kitchens & Carpentry Ltd | Manufacturing | 2021 |
| Pureco Leisure Plant Hire Limited | Construction | 2022 |
| Purple Lemming Technical Services Ltd | Extraterritorial | 2014 |
| Purserpro Ltd | Professional & scientific | 2021 |
| Pyestock Limited | Extraterritorial | 2009 |
| Qualitintuk. Ltd | Construction | 2020 |
| Quamshare Limited | Professional & scientific | 2002 |
| Quantock Heights (Banwell) Management Company Limited | Households | 2018 |
| Quaynect Electrical Ltd | Construction | 2024 |
| Queens Court Grove Park Limited | Households | 1974 |
| Queens Walk Peterborough Management Company Limited | Households | 2004 |
| Quick Machining Solutions Limited | Manufacturing | 2011 |
| Quick Tech Services Ltd | Professional & scientific | 2025 |
| Quoyne Court (Romsey) Management Company Limited | Households | 2004 |
| Quoyne Court Freehold Limited | Households | 2025 |
| R Symons Ltd | Wholesale & retail | 2010 |
| R Symons Property Holdings Ltd | Real estate | 2026 |
| R W and B Management Limited | Real estate | 2018 |
| R.G. Cutler Limited | Construction | 1962 |
| R.W. Morrish Construction Limited | Construction | 2012 |
| Race Rally Ltd | Hospitality | 2022 |
| Racesignup Ltd | Information & communication | 2002 |
| Radnor Place Management Company Limited | Households | 1997 |
| Rams Gorse Harlow Management Company Limited | Households | 2018 |
| Ravenwoolfe Limited | Professional & scientific | 2024 |
| Rbsl Properties Limited | Real estate | 2016 |
| Reades Lane Management Company Limited | Households | 2018 |
| Red Air Drones Aerial Media Limited | Professional & scientific | 2019 |
| Red Air Drones Sales Limited | Wholesale & retail | 2023 |
| Red Air Group Limited | Wholesale & retail | 2022 |
| Red Garage Coffee Ltd | Manufacturing | 2018 |
| Red Hall Gardens Management Company Limited | Households | 2009 |
| Red Lodge (West Wickham) Management RTM Company Limited | Administrative & support | 2004 |
| Redcliff Court Management Company (Chester) Limited | Households | 2016 |
| Redcliffe Construction Ltd | Construction | 2018 |
| Redcliffe Gardeners Ltd | Administrative & support | 2008 |
| Redfield Court Limited | Real estate | 1992 |
| Redhills (Totnes) Management Company Limited | Households | 2007 |
| Redhouse Farm (Towcester) Management Company Limited | Households | 2018 |
| Redhouse Park (CP) Limited | Households | 2007 |
| Redwood Heights (Plymouth) Management Company Limited | Real estate | 2017 |
| Reflections (Plymouth) Management Company Limited | Households | 2013 |
| Regal Drive Management Company Limited | Households | 2013 |
| Regency Lodge Limited | Households | 2001 |
| Regency Park (Sefton) Management Company Limited | Households | 2010 |
| Regent Residential Lettings Ltd | Real estate | 2011 |
| Regents Place (Chellaston) Management Company Limited | Households | 2016 |
| Regents Wharf (Leamore) Management Company Limited | Households | 2016 |
| Reigate Road Residents Management Company Limited | Households | 2010 |
| Reliable Forklift Services Limited | Manufacturing | 2024 |
| Rely Care Limited | Administrative & support | 2017 |
| Rely Global Foods Ltd | Wholesale & retail | 2024 |
| Remelija Ltd | Wholesale & retail | 2022 |
| Renaissance (Stoke Village) Management Company Limited | Households | 2010 |
| Renard Investments Limited | Real estate | 2014 |
| Repton Gate Management Company Limited | Real estate | 2014 |
| RF Plumb and Heat Ltd | Construction | 2024 |
| Rhemo Ltd | Extraterritorial | 2025 |
| Rhemo Products Limited | Manufacturing | 1997 |
| Rhemo Removals Limited | Transport & logistics | 1997 |
| RHH Franks Limited | Manufacturing | 1961 |
| Rhonson Ltd | Real estate | 2019 |
| Riaspa Limited | Information & communication | 2018 |
| Richard Baker & Co Partnership Limited | Professional & scientific | 2003 |
| Richards Events & Recruitment Services Limited | Administrative & support | 2005 |
| Richmond Grove Management Company Limited | Households | 2018 |
| Ridgeway Views Energy Centre Management Company Limited | Households | 2020 |
| Ridgeway Views Residents’ Management Company Limited | Households | 2020 |
| Riley Developments Limited | Construction | 2003 |
| Rileys of Hampshire Ltd | Real estate | 2019 |
| RIO (Bridgwater) Management Company Limited | Households | 2006 |